avformat: Add the tls protocol, using OpenSSL or gnutls
[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   --disable-w32threads     disable Win32 threads [auto]
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-gnutls          enable gnutls [no]
166   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
167   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
168   --enable-libopencv       enable video filtering via libopencv [no]
169   --enable-libcdio         enable audio CD grabbing with libcdio
170   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
171                            and libraw1394 [no]
172   --enable-libdirac        enable Dirac support via libdirac [no]
173   --enable-libfaac         enable FAAC support via libfaac [no]
174   --enable-libfreetype     enable libfreetype [no]
175   --enable-libgsm          enable GSM support via libgsm [no]
176   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
177   --enable-libnut          enable NUT (de)muxing via libnut,
178                            native (de)muxer exists [no]
179   --enable-libopenjpeg     enable JPEG 2000 decoding via OpenJPEG [no]
180   --enable-librtmp         enable RTMP[E] support via librtmp [no]
181   --enable-libschroedinger enable Dirac support via libschroedinger [no]
182   --enable-libspeex        enable Speex support via libspeex [no]
183   --enable-libtheora       enable Theora encoding via libtheora [no]
184   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
185   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
186   --enable-libvorbis       enable Vorbis encoding via libvorbis,
187                            native implementation exists [no]
188   --enable-libvpx          enable VP8 support via libvpx [no]
189   --enable-libx264         enable H.264 encoding via x264 [no]
190   --enable-libxavs         enable AVS encoding via xavs [no]
191   --enable-libxvid         enable Xvid encoding via xvidcore,
192                            native MPEG-4/Xvid encoder exists [no]
193   --enable-mlib            enable Sun medialib [no]
194   --enable-openssl         enable openssl [no]
195   --enable-zlib            enable zlib [autodetect]
196
197 Advanced options (experts only):
198   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
199   --enable-cross-compile   assume a cross-compiler is used
200   --sysroot=PATH           root of cross-build tree
201   --sysinclude=PATH        location of cross-build system headers
202   --target-os=OS           compiler targets OS [$target_os]
203   --target-exec=CMD        command to run executables on target
204   --target-path=DIR        path to view of build directory on target
205   --nm=NM                  use nm tool
206   --ar=AR                  use archive tool AR [$ar_default]
207   --as=AS                  use assembler AS [$as_default]
208   --cc=CC                  use C compiler CC [$cc_default]
209   --ld=LD                  use linker LD
210   --host-cc=HOSTCC         use host C compiler HOSTCC
211   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
212   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
213   --host-libs=HLIBS        use libs HLIBS when linking for host
214   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
215   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
216   --extra-libs=ELIBS       add ELIBS [$ELIBS]
217   --extra-version=STRING   version string suffix []
218   --build-suffix=SUFFIX    library name suffix []
219   --arch=ARCH              select architecture [$arch]
220   --cpu=CPU                select the minimum required CPU (affects
221                            instruction selection, may crash on older CPUs)
222   --disable-asm            disable all assembler optimizations
223   --disable-altivec        disable AltiVec optimizations
224   --disable-amd3dnow       disable 3DNow! optimizations
225   --disable-amd3dnowext    disable 3DNow! extended optimizations
226   --disable-mmx            disable MMX optimizations
227   --disable-mmx2           disable MMX2 optimizations
228   --disable-sse            disable SSE optimizations
229   --disable-ssse3          disable SSSE3 optimizations
230   --disable-avx            disable AVX optimizations
231   --disable-armv5te        disable armv5te optimizations
232   --disable-armv6          disable armv6 optimizations
233   --disable-armv6t2        disable armv6t2 optimizations
234   --disable-armvfp         disable ARM VFP optimizations
235   --disable-iwmmxt         disable iwmmxt optimizations
236   --disable-mmi            disable MMI optimizations
237   --disable-neon           disable neon optimizations
238   --disable-vis            disable VIS optimizations
239   --disable-yasm           disable use of yasm assembler
240   --enable-pic             build position-independent code
241   --malloc-prefix=PFX      prefix malloc and related names with PFX
242   --enable-sram            allow use of on-chip SRAM
243   --disable-symver         disable symbol versioning
244   --optflags               override optimization-related compiler flags
245
246 Developer options (useful when working on Libav itself):
247   --disable-debug          disable debugging symbols
248   --enable-debug=LEVEL     set the debug level [$debuglevel]
249   --disable-optimizations  disable compiler optimizations
250   --enable-extra-warnings  enable more compiler warnings
251   --samples=PATH           location of test samples for FATE, if not set use
252                            \$FATE_SAMPLES at make invocation time.
253
254 NOTE: Object files are built at the place where configure is launched.
255 EOF
256   exit 0
257 }
258
259 quotes='""'
260
261 log(){
262     echo "$@" >> $logfile
263 }
264
265 log_file(){
266     log BEGIN $1
267     pr -n -t $1 >> $logfile
268     log END $1
269 }
270
271 echolog(){
272     log "$@"
273     echo "$@"
274 }
275
276 warn(){
277     log "WARNING: $*"
278     WARNINGS="${WARNINGS}WARNING: $*\n"
279 }
280
281 die(){
282     echolog "$@"
283     cat <<EOF
284
285 If you think configure made a mistake, make sure you are using the latest
286 version from Git.  If the latest version fails, report the problem to the
287 libav-user@libav.org mailing list or IRC #libav on irc.freenode.net.
288 EOF
289     if disabled logging; then
290         cat <<EOF
291 Rerun configure with logging enabled (do not use --disable-logging), and
292 include the log this produces with your report.
293 EOF
294     else
295 cat <<EOF
296 Include the log file "$logfile" produced by configure as this will help
297 solving the problem.
298 EOF
299     fi
300     exit 1
301 }
302
303 # Avoid locale weirdness, besides we really just want to translate ASCII.
304 toupper(){
305     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
306 }
307
308 tolower(){
309     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
310 }
311
312 c_escape(){
313     echo "$*" | sed 's/["\\]/\\\0/g'
314 }
315
316 sh_quote(){
317     v=$(echo "$1" | sed "s/'/'\\\\''/g")
318     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
319     echo "$v"
320 }
321
322 cleanws(){
323     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
324 }
325
326 filter(){
327     pat=$1
328     shift
329     for v; do
330         eval "case $v in $pat) echo $v ;; esac"
331     done
332 }
333
334 filter_out(){
335     pat=$1
336     shift
337     for v; do
338         eval "case $v in $pat) ;; *) echo $v ;; esac"
339     done
340 }
341
342 map(){
343     m=$1
344     shift
345     for v; do eval $m; done
346 }
347
348 set_all(){
349     value=$1
350     shift
351     for var in $*; do
352         eval $var=$value
353     done
354 }
355
356 set_weak(){
357     value=$1
358     shift
359     for var; do
360         eval : \${$var:=$value}
361     done
362 }
363
364 set_safe(){
365     var=$1
366     shift
367     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
368 }
369
370 get_safe(){
371     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
372 }
373
374 pushvar(){
375     for var in $*; do
376         eval level=\${${var}_level:=0}
377         eval ${var}_${level}="\$$var"
378         eval ${var}_level=$(($level+1))
379     done
380 }
381
382 popvar(){
383     for var in $*; do
384         eval level=\${${var}_level:-0}
385         test $level = 0 && continue
386         eval level=$(($level-1))
387         eval $var="\${${var}_${level}}"
388         eval ${var}_level=$level
389         eval unset ${var}_${level}
390     done
391 }
392
393 enable(){
394     set_all yes $*
395 }
396
397 disable(){
398     set_all no $*
399 }
400
401 enable_weak(){
402     set_weak yes $*
403 }
404
405 disable_weak(){
406     set_weak no $*
407 }
408
409 enable_safe(){
410     for var; do
411         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
412     done
413 }
414
415 disable_safe(){
416     for var; do
417         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
418     done
419 }
420
421 do_enable_deep(){
422     for var; do
423         enabled $var && continue
424         eval sel="\$${var}_select"
425         eval sgs="\$${var}_suggest"
426         pushvar var sgs
427         enable_deep $sel
428         popvar sgs
429         enable_deep_weak $sgs
430         popvar var
431     done
432 }
433
434 enable_deep(){
435     do_enable_deep $*
436     enable $*
437 }
438
439 enable_deep_weak(){
440     do_enable_deep $*
441     enable_weak $*
442 }
443
444 enabled(){
445     test "${1#!}" = "$1" && op== || op=!=
446     eval test "x\$${1#!}" $op "xyes"
447 }
448
449 disabled(){
450     test "${1#!}" = "$1" && op== || op=!=
451     eval test "x\$${1#!}" $op "xno"
452 }
453
454 enabled_all(){
455     for opt; do
456         enabled $opt || return 1
457     done
458 }
459
460 disabled_all(){
461     for opt; do
462         disabled $opt || return 1
463     done
464 }
465
466 enabled_any(){
467     for opt; do
468         enabled $opt && return 0
469     done
470 }
471
472 disabled_any(){
473     for opt; do
474         disabled $opt && return 0
475     done
476     return 1
477 }
478
479 set_default(){
480     for opt; do
481         eval : \${$opt:=\$${opt}_default}
482     done
483 }
484
485 is_in(){
486     value=$1
487     shift
488     for var in $*; do
489         [ $var = $value ] && return 0
490     done
491     return 1
492 }
493
494 check_deps(){
495     for cfg; do
496         cfg="${cfg#!}"
497         enabled ${cfg}_checking && die "Circular dependency for $cfg."
498         disabled ${cfg}_checking && continue
499         enable ${cfg}_checking
500
501         eval dep_all="\$${cfg}_deps"
502         eval dep_any="\$${cfg}_deps_any"
503         eval dep_sel="\$${cfg}_select"
504         eval dep_sgs="\$${cfg}_suggest"
505         eval dep_ifa="\$${cfg}_if"
506         eval dep_ifn="\$${cfg}_if_any"
507
508         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
509         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
510         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
511
512         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
513         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
514         enabled_all  $dep_all || disable $cfg
515         enabled_any  $dep_any || disable $cfg
516         disabled_any $dep_sel && disable $cfg
517
518         if enabled $cfg; then
519             eval dep_extralibs="\$${cfg}_extralibs"
520             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
521             enable_deep $dep_sel
522             enable_deep_weak $dep_sgs
523         fi
524
525         disable ${cfg}_checking
526     done
527 }
528
529 print_config_h(){
530     enabled $1 && v=1 || v=0
531     echo "#define $2 $v"
532 }
533
534 print_config_mak(){
535     enabled $1 && v= || v=!
536     echo "$v$2=yes"
537 }
538
539 print_config_asm(){
540     enabled $1 && echo "%define $2"
541 }
542
543 print_config(){
544     pfx=$1
545     files=$2
546     shift 2
547     for cfg; do
548         ucname="$(toupper $cfg)"
549         for f in $files; do
550             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
551         done
552     done
553 }
554
555 print_enabled(){
556     test "$1" = -n && end=" " && shift || end="\n"
557     suf=$1
558     shift
559     for v; do
560         enabled $v && printf "%s$end" ${v%$suf};
561     done
562 }
563
564 append(){
565     var=$1
566     shift
567     eval "$var=\"\$$var $*\""
568 }
569
570 prepend(){
571     var=$1
572     shift
573     eval "$var=\"$* \$$var\""
574 }
575
576 add_cppflags(){
577     append CPPFLAGS $($filter_cppflags "$@")
578 }
579
580 add_cflags(){
581     append CFLAGS $($filter_cflags "$@")
582 }
583
584 add_asflags(){
585     append ASFLAGS $($filter_asflags "$@")
586 }
587
588 add_ldflags(){
589     append LDFLAGS "$@"
590 }
591
592 add_extralibs(){
593     prepend extralibs "$@"
594 }
595
596 check_cmd(){
597     log "$@"
598     "$@" >> $logfile 2>&1
599 }
600
601 check_cc(){
602     log check_cc "$@"
603     cat > $TMPC
604     log_file $TMPC
605     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
606 }
607
608 check_cpp(){
609     log check_cpp "$@"
610     cat > $TMPC
611     log_file $TMPC
612     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
613 }
614
615 check_as(){
616     log check_as "$@"
617     cat > $TMPC
618     log_file $TMPC
619     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
620 }
621
622 check_asm(){
623     log check_asm "$@"
624     name="$1"
625     code="$2"
626     shift 2
627     disable $name
628     check_as "$@" <<EOF && enable $name
629 void foo(void){ __asm__ volatile($code); }
630 EOF
631 }
632
633 check_yasm(){
634     log check_yasm "$@"
635     echo "$1" > $TMPS
636     log_file $TMPS
637     shift 1
638     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
639 }
640
641 check_ld(){
642     log check_ld "$@"
643     flags=''
644     libs=''
645     for f; do
646         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
647     done
648     check_cc $($filter_cflags $flags) || return
649     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
650 }
651
652 check_cppflags(){
653     log check_cppflags "$@"
654     set -- $($filter_cppflags "$@")
655     check_cc "$@" <<EOF && append CPPFLAGS "$@"
656 int x;
657 EOF
658 }
659
660 check_cflags(){
661     log check_cflags "$@"
662     set -- $($filter_cflags "$@")
663     check_cc "$@" <<EOF && append CFLAGS "$@"
664 int x;
665 EOF
666 }
667
668 test_ldflags(){
669     log test_ldflags "$@"
670     check_ld "$@" <<EOF
671 int main(void){ return 0; }
672 EOF
673 }
674
675 check_ldflags(){
676     log check_ldflags "$@"
677     test_ldflags "$@" && add_ldflags "$@"
678 }
679
680 check_header(){
681     log check_header "$@"
682     header=$1
683     shift
684     disable_safe $header
685     check_cpp "$@" <<EOF && enable_safe $header
686 #include <$header>
687 int x;
688 EOF
689 }
690
691 check_func(){
692     log check_func "$@"
693     func=$1
694     shift
695     disable $func
696     check_ld "$@" <<EOF && enable $func
697 extern int $func();
698 int main(void){ $func(); }
699 EOF
700 }
701
702 check_mathfunc(){
703     log check_mathfunc "$@"
704     func=$1
705     shift
706     disable $func
707     check_ld "$@" <<EOF && enable $func
708 #include <math.h>
709 float foo(float f) { return $func(f); }
710 int main(void){ return 0; }
711 EOF
712 }
713
714 check_func_headers(){
715     log check_func_headers "$@"
716     headers=$1
717     funcs=$2
718     shift 2
719     {
720         for hdr in $headers; do
721             echo "#include <$hdr>"
722         done
723         for func in $funcs; do
724             echo "long check_$func(void) { return (long) $func; }"
725         done
726         echo "int main(void) { return 0; }"
727     } | check_ld "$@" && enable $funcs && enable_safe $headers
728 }
729
730 check_cpp_condition(){
731     log check_cpp_condition "$@"
732     header=$1
733     condition=$2
734     shift 2
735     check_cpp $($filter_cppflags "$@") <<EOF
736 #include <$header>
737 #if !($condition)
738 #error "unsatisfied condition: $condition"
739 #endif
740 EOF
741 }
742
743 check_lib(){
744     log check_lib "$@"
745     header="$1"
746     func="$2"
747     shift 2
748     check_header $header && check_func $func "$@" && add_extralibs "$@"
749 }
750
751 check_lib2(){
752     log check_lib2 "$@"
753     headers="$1"
754     funcs="$2"
755     shift 2
756     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
757 }
758
759 check_pkg_config(){
760     log check_pkg_config "$@"
761     pkg="$1"
762     headers="$2"
763     funcs="$3"
764     shift 3
765     $pkg_config --exists $pkg || return
766     pkg_cflags=$($pkg_config --cflags $pkg)
767     pkg_libs=$($pkg_config --libs $pkg)
768     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
769         set_safe ${pkg}_cflags $pkg_cflags   &&
770         set_safe ${pkg}_libs   $pkg_libs
771 }
772
773 check_exec(){
774     check_ld "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
775 }
776
777 check_exec_crash(){
778     code=$(cat)
779
780     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
781     # are safe but may not be available everywhere.  Thus we use
782     # raise(SIGTERM) instead.  The check is run in a subshell so we
783     # can redirect the "Terminated" message from the shell.  SIGBUS
784     # is not defined by standard C so it is used conditionally.
785
786     (check_exec "$@") >> $logfile 2>&1 <<EOF
787 #include <signal.h>
788 static void sighandler(int sig){
789     raise(SIGTERM);
790 }
791 int main(void){
792     signal(SIGILL, sighandler);
793     signal(SIGFPE, sighandler);
794     signal(SIGSEGV, sighandler);
795 #ifdef SIGBUS
796     signal(SIGBUS, sighandler);
797 #endif
798     { $code }
799 }
800 EOF
801 }
802
803 check_type(){
804     log check_type "$@"
805     headers=$1
806     type=$2
807     shift 2
808     disable_safe "$type"
809     incs=""
810     for hdr in $headers; do
811         incs="$incs
812 #include <$hdr>"
813     done
814     check_cc "$@" <<EOF && enable_safe "$type"
815 $incs
816 $type v;
817 EOF
818 }
819
820 check_struct(){
821     log check_type "$@"
822     headers=$1
823     struct=$2
824     member=$3
825     shift 3
826     disable_safe "${struct}_${member}"
827     incs=""
828     for hdr in $headers; do
829         incs="$incs
830 #include <$hdr>"
831     done
832     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
833 $incs
834 const void *p = &(($struct *)0)->$member;
835 EOF
836 }
837
838 require(){
839     name="$1"
840     header="$2"
841     func="$3"
842     shift 3
843     check_lib $header $func "$@" || die "ERROR: $name not found"
844 }
845
846 require2(){
847     name="$1"
848     headers="$2"
849     func="$3"
850     shift 3
851     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
852 }
853
854 require_pkg_config(){
855     pkg="$1"
856     check_pkg_config "$@" || die "ERROR: $pkg not found"
857     add_cflags    $(get_safe ${pkg}_cflags)
858     add_extralibs $(get_safe ${pkg}_libs)
859 }
860
861 check_host_cc(){
862     log check_host_cc "$@"
863     cat > $TMPC
864     log_file $TMPC
865     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
866 }
867
868 check_host_cflags(){
869     log check_host_cflags "$@"
870     check_host_cc "$@" <<EOF && append host_cflags "$@"
871 int x;
872 EOF
873 }
874
875 apply(){
876     file=$1
877     shift
878     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
879 }
880
881 cp_if_changed(){
882     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
883     mkdir -p "$(dirname $2)"
884     cp -f "$1" "$2"
885 }
886
887 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
888 # system-dependent things.
889
890 COMPONENT_LIST="
891     bsfs
892     decoders
893     demuxers
894     encoders
895     filters
896     hwaccels
897     indevs
898     muxers
899     outdevs
900     parsers
901     protocols
902 "
903
904 CONFIG_LIST="
905     $COMPONENT_LIST
906     aandct
907     ac3dsp
908     avcodec
909     avdevice
910     avfilter
911     avformat
912     avisynth
913     bzlib
914     dct
915     doc
916     dwt
917     dxva2
918     fastdiv
919     ffmpeg
920     avconv
921     avplay
922     avprobe
923     avserver
924     fft
925     frei0r
926     gnutls
927     golomb
928     gpl
929     gray
930     h264dsp
931     h264pred
932     hardcoded_tables
933     huffman
934     libcdio
935     libdc1394
936     libdirac
937     libfaac
938     libfreetype
939     libgsm
940     libmp3lame
941     libnut
942     libopencore_amrnb
943     libopencore_amrwb
944     libopencv
945     libopenjpeg
946     libpulse
947     librtmp
948     libschroedinger
949     libspeex
950     libtheora
951     libvo_aacenc
952     libvo_amrwbenc
953     libvorbis
954     libvpx
955     libx264
956     libxavs
957     libxvid
958     lpc
959     lsp
960     mdct
961     memalign_hack
962     mlib
963     mpegaudiodsp
964     network
965     nonfree
966     openssl
967     pic
968     postproc
969     rdft
970     rtpdec
971     runtime_cpudetect
972     shared
973     sinewin
974     small
975     sram
976     static
977     swscale
978     swscale_alpha
979     thumb
980     vaapi
981     vdpau
982     version3
983     x11grab
984     zlib
985 "
986
987 THREADS_LIST='
988     pthreads
989     w32threads
990 '
991
992 ARCH_LIST='
993     alpha
994     arm
995     avr32
996     avr32_ap
997     avr32_uc
998     bfin
999     ia64
1000     m68k
1001     mips
1002     mips64
1003     parisc
1004     ppc
1005     ppc64
1006     s390
1007     sh4
1008     sparc
1009     sparc64
1010     tomi
1011     x86
1012     x86_32
1013     x86_64
1014 '
1015
1016 ARCH_EXT_LIST='
1017     altivec
1018     amd3dnow
1019     amd3dnowext
1020     armv5te
1021     armv6
1022     armv6t2
1023     armvfp
1024     avx
1025     iwmmxt
1026     mmi
1027     mmx
1028     mmx2
1029     neon
1030     ppc4xx
1031     sse
1032     ssse3
1033     vfpv3
1034     vis
1035 '
1036
1037 HAVE_LIST_PUB='
1038     bigendian
1039     fast_unaligned
1040 '
1041
1042 HAVE_LIST="
1043     $ARCH_EXT_LIST
1044     $HAVE_LIST_PUB
1045     $THREADS_LIST
1046     aligned_stack
1047     alsa_asoundlib_h
1048     altivec_h
1049     arpa_inet_h
1050     asm_mod_y
1051     attribute_may_alias
1052     attribute_packed
1053     bswap
1054     closesocket
1055     cmov
1056     dcbzl
1057     dev_bktr_ioctl_bt848_h
1058     dev_bktr_ioctl_meteor_h
1059     dev_ic_bt8xx_h
1060     dev_video_meteor_ioctl_meteor_h
1061     dev_video_bktr_ioctl_bt848_h
1062     dlfcn_h
1063     dlopen
1064     dos_paths
1065     ebp_available
1066     ebx_available
1067     exp2
1068     exp2f
1069     fast_64bit
1070     fast_clz
1071     fast_cmov
1072     fcntl
1073     fork
1074     getaddrinfo
1075     gethrtime
1076     GetProcessMemoryInfo
1077     GetProcessTimes
1078     getrusage
1079     gnu_as
1080     struct_rusage_ru_maxrss
1081     ibm_asm
1082     inet_aton
1083     inline_asm
1084     isatty
1085     ldbrx
1086     libdc1394_1
1087     libdc1394_2
1088     llrint
1089     llrintf
1090     local_aligned_16
1091     local_aligned_8
1092     localtime_r
1093     log2
1094     log2f
1095     loongson
1096     lrint
1097     lrintf
1098     lzo1x_999_compress
1099     machine_ioctl_bt848_h
1100     machine_ioctl_meteor_h
1101     malloc_h
1102     MapViewOfFile
1103     memalign
1104     mkstemp
1105     mmap
1106     posix_memalign
1107     round
1108     roundf
1109     sdl
1110     sdl_video_size
1111     setmode
1112     sndio_h
1113     socklen_t
1114     soundcard_h
1115     poll_h
1116     setrlimit
1117     strerror_r
1118     strptime
1119     strtok_r
1120     struct_addrinfo
1121     struct_ipv6_mreq
1122     struct_sockaddr_in6
1123     struct_sockaddr_sa_len
1124     struct_sockaddr_storage
1125     symver
1126     symver_gnu_asm
1127     symver_asm_label
1128     sys_mman_h
1129     sys_resource_h
1130     sys_select_h
1131     sys_soundcard_h
1132     sys_videoio_h
1133     threads
1134     trunc
1135     truncf
1136     vfp_args
1137     VirtualAlloc
1138     winsock2_h
1139     xform_asm
1140     xmm_clobbers
1141     yasm
1142 "
1143
1144 # options emitted with CONFIG_ prefix but not available on command line
1145 CONFIG_EXTRA="
1146     avutil
1147     gplv3
1148     lgplv3
1149 "
1150
1151 CMDLINE_SELECT="
1152     $ARCH_EXT_LIST
1153     $CONFIG_LIST
1154     $THREADS_LIST
1155     asm
1156     cross_compile
1157     debug
1158     extra_warnings
1159     logging
1160     optimizations
1161     symver
1162     yasm
1163 "
1164
1165 PATHS_LIST='
1166     bindir
1167     datadir
1168     incdir
1169     libdir
1170     mandir
1171     prefix
1172     shlibdir
1173 '
1174
1175 CMDLINE_SET="
1176     $PATHS_LIST
1177     ar
1178     arch
1179     as
1180     build_suffix
1181     cc
1182     cpu
1183     cross_prefix
1184     dep_cc
1185     extra_version
1186     host_cc
1187     host_cflags
1188     host_ldflags
1189     host_libs
1190     host_os
1191     ld
1192     logfile
1193     malloc_prefix
1194     nm
1195     optflags
1196     pkg_config
1197     samples
1198     sysinclude
1199     sysroot
1200     target_exec
1201     target_os
1202     target_path
1203 "
1204
1205 CMDLINE_APPEND="
1206     extra_cflags
1207 "
1208
1209 # code dependency declarations
1210
1211 # architecture extensions
1212
1213 armv5te_deps="arm"
1214 armv6_deps="arm"
1215 armv6t2_deps="arm"
1216 armvfp_deps="arm"
1217 iwmmxt_deps="arm"
1218 neon_deps="arm"
1219 vfpv3_deps="armvfp"
1220
1221 mmi_deps="mips"
1222
1223 altivec_deps="ppc"
1224 ppc4xx_deps="ppc"
1225
1226 vis_deps="sparc"
1227
1228 x86_64_suggest="cmov fast_cmov"
1229 amd3dnow_deps="mmx"
1230 amd3dnowext_deps="amd3dnow"
1231 mmx_deps="x86"
1232 mmx2_deps="mmx"
1233 sse_deps="mmx"
1234 ssse3_deps="sse"
1235 avx_deps="ssse3"
1236
1237 aligned_stack_if_any="ppc x86"
1238 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1239 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1240 fast_unaligned_if_any="armv6 ppc x86"
1241
1242 need_memalign="altivec neon sse"
1243 inline_asm_deps="!tms470"
1244
1245 symver_if_any="symver_asm_label symver_gnu_asm"
1246
1247 # subsystems
1248 dct_select="rdft"
1249 mdct_select="fft"
1250 rdft_select="fft"
1251 mpegaudiodsp_select="dct"
1252
1253 # decoders / encoders / hardware accelerators
1254 aac_decoder_select="mdct sinewin"
1255 aac_encoder_select="mdct sinewin"
1256 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1257 ac3_decoder_select="mdct ac3dsp ac3_parser"
1258 ac3_encoder_select="mdct ac3dsp"
1259 ac3_fixed_encoder_select="mdct ac3dsp"
1260 alac_encoder_select="lpc"
1261 amrnb_decoder_select="lsp"
1262 amrwb_decoder_select="lsp"
1263 atrac1_decoder_select="mdct sinewin"
1264 atrac3_decoder_select="mdct"
1265 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1266 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1267 cavs_decoder_select="golomb"
1268 cook_decoder_select="mdct sinewin"
1269 cscd_decoder_suggest="zlib"
1270 dca_decoder_select="mdct"
1271 dnxhd_encoder_select="aandct"
1272 dxa_decoder_select="zlib"
1273 eac3_decoder_select="ac3_decoder"
1274 eac3_encoder_select="mdct ac3dsp"
1275 eamad_decoder_select="aandct"
1276 eatgq_decoder_select="aandct"
1277 eatqi_decoder_select="aandct"
1278 ffv1_decoder_select="golomb"
1279 flac_decoder_select="golomb"
1280 flac_encoder_select="golomb lpc"
1281 flashsv_decoder_select="zlib"
1282 flashsv_encoder_select="zlib"
1283 flashsv2_decoder_select="zlib"
1284 flv_decoder_select="h263_decoder"
1285 flv_encoder_select="h263_encoder"
1286 fraps_decoder_select="huffman"
1287 h261_encoder_select="aandct"
1288 h263_decoder_select="h263_parser"
1289 h263_encoder_select="aandct"
1290 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1291 h263i_decoder_select="h263_decoder"
1292 h263p_encoder_select="h263_encoder"
1293 h264_decoder_select="golomb h264dsp h264pred"
1294 h264_dxva2_hwaccel_deps="dxva2api_h"
1295 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1296 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1297 h264_vdpau_decoder_select="vdpau h264_decoder"
1298 imc_decoder_select="fft mdct sinewin"
1299 jpegls_decoder_select="golomb"
1300 jpegls_encoder_select="golomb"
1301 ljpeg_encoder_select="aandct"
1302 loco_decoder_select="golomb"
1303 mjpeg_encoder_select="aandct"
1304 mlp_decoder_select="mlp_parser"
1305 mp1_decoder_select="mpegaudiodsp"
1306 mp2_decoder_select="mpegaudiodsp"
1307 mp3adu_decoder_select="mpegaudiodsp"
1308 mp3_decoder_select="mpegaudiodsp"
1309 mp3on4_decoder_select="mpegaudiodsp"
1310 mp1float_decoder_select="mpegaudiodsp"
1311 mp2float_decoder_select="mpegaudiodsp"
1312 mp3adufloat_decoder_select="mpegaudiodsp"
1313 mp3float_decoder_select="mpegaudiodsp"
1314 mp3on4float_decoder_select="mpegaudiodsp"
1315 mpeg1video_encoder_select="aandct"
1316 mpeg2video_encoder_select="aandct"
1317 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1318 mpeg4_encoder_select="h263_encoder"
1319 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1320 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1321 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1322 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1323 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1324 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1325 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1326 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1327 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1328 msmpeg4v1_decoder_select="h263_decoder"
1329 msmpeg4v1_encoder_select="h263_encoder"
1330 msmpeg4v2_decoder_select="h263_decoder"
1331 msmpeg4v2_encoder_select="h263_encoder"
1332 msmpeg4v3_decoder_select="h263_decoder"
1333 msmpeg4v3_encoder_select="h263_encoder"
1334 nellymoser_decoder_select="mdct sinewin"
1335 nellymoser_encoder_select="mdct sinewin"
1336 png_decoder_select="zlib"
1337 png_encoder_select="zlib"
1338 qcelp_decoder_select="lsp"
1339 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1340 ra_144_encoder_select="lpc"
1341 rv10_decoder_select="h263_decoder"
1342 rv10_encoder_select="h263_encoder"
1343 rv20_decoder_select="h263_decoder"
1344 rv20_encoder_select="h263_encoder"
1345 rv30_decoder_select="golomb h264pred"
1346 rv40_decoder_select="golomb h264pred"
1347 shorten_decoder_select="golomb"
1348 sipr_decoder_select="lsp"
1349 snow_decoder_select="dwt"
1350 snow_encoder_select="aandct dwt"
1351 svq1_encoder_select="aandct"
1352 svq3_decoder_select="golomb h264dsp h264pred"
1353 svq3_decoder_suggest="zlib"
1354 theora_decoder_select="vp3_decoder"
1355 tiff_decoder_suggest="zlib"
1356 tiff_encoder_suggest="zlib"
1357 truehd_decoder_select="mlp_decoder"
1358 tscc_decoder_select="zlib"
1359 twinvq_decoder_select="mdct lsp sinewin"
1360 vc1_decoder_select="h263_decoder"
1361 vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
1362 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1363 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1364 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1365 vc1image_decoder_select="vc1_decoder"
1366 vorbis_decoder_select="mdct"
1367 vorbis_encoder_select="mdct"
1368 vp6_decoder_select="huffman"
1369 vp6a_decoder_select="vp6_decoder"
1370 vp6f_decoder_select="vp6_decoder"
1371 vp8_decoder_select="h264pred"
1372 wmapro_decoder_select="mdct sinewin"
1373 wmav1_decoder_select="mdct sinewin"
1374 wmav1_encoder_select="mdct sinewin"
1375 wmav2_decoder_select="mdct sinewin"
1376 wmav2_encoder_select="mdct sinewin"
1377 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1378 wmv1_decoder_select="h263_decoder"
1379 wmv1_encoder_select="h263_encoder"
1380 wmv2_decoder_select="h263_decoder"
1381 wmv2_encoder_select="h263_encoder"
1382 wmv3_decoder_select="vc1_decoder"
1383 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1384 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1385 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1386 wmv3image_decoder_select="wmv3_decoder"
1387 zlib_decoder_select="zlib"
1388 zlib_encoder_select="zlib"
1389 zmbv_decoder_select="zlib"
1390 zmbv_encoder_select="zlib"
1391
1392 vaapi_deps="va_va_h"
1393 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1394
1395 # parsers
1396 h264_parser_select="golomb h264dsp h264pred"
1397
1398 # external libraries
1399 libdirac_decoder_deps="libdirac !libschroedinger"
1400 libdirac_encoder_deps="libdirac"
1401 libfaac_encoder_deps="libfaac"
1402 libgsm_decoder_deps="libgsm"
1403 libgsm_encoder_deps="libgsm"
1404 libgsm_ms_decoder_deps="libgsm"
1405 libgsm_ms_encoder_deps="libgsm"
1406 libmp3lame_encoder_deps="libmp3lame"
1407 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1408 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1409 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1410 libopenjpeg_decoder_deps="libopenjpeg"
1411 libschroedinger_decoder_deps="libschroedinger"
1412 libschroedinger_encoder_deps="libschroedinger"
1413 libspeex_decoder_deps="libspeex"
1414 libspeex_encoder_deps="libspeex"
1415 libtheora_encoder_deps="libtheora"
1416 libvo_aacenc_encoder_deps="libvo_aacenc"
1417 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1418 libvorbis_encoder_deps="libvorbis"
1419 libvpx_decoder_deps="libvpx"
1420 libvpx_encoder_deps="libvpx"
1421 libx264_encoder_deps="libx264"
1422 libxavs_encoder_deps="libxavs"
1423 libxvid_encoder_deps="libxvid"
1424
1425 # demuxers / muxers
1426 ac3_demuxer_select="ac3_parser"
1427 asf_stream_muxer_select="asf_muxer"
1428 avisynth_demuxer_deps="avisynth"
1429 dirac_demuxer_select="dirac_parser"
1430 eac3_demuxer_select="ac3_parser"
1431 flac_demuxer_select="flac_parser"
1432 ipod_muxer_select="mov_muxer"
1433 libnut_demuxer_deps="libnut"
1434 libnut_muxer_deps="libnut"
1435 matroska_audio_muxer_select="matroska_muxer"
1436 matroska_demuxer_suggest="zlib bzlib"
1437 mov_demuxer_suggest="zlib"
1438 mp3_demuxer_select="mpegaudio_parser"
1439 mp4_muxer_select="mov_muxer"
1440 mpegtsraw_demuxer_select="mpegts_demuxer"
1441 mxf_d10_muxer_select="mxf_muxer"
1442 ogg_demuxer_select="golomb"
1443 psp_muxer_select="mov_muxer"
1444 rtp_demuxer_select="sdp_demuxer"
1445 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1446 rtsp_demuxer_select="http_protocol rtpdec"
1447 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1448 sap_demuxer_select="sdp_demuxer"
1449 sap_muxer_select="rtp_muxer rtp_protocol"
1450 sdp_demuxer_select="rtpdec"
1451 spdif_muxer_select="aac_parser"
1452 tg2_muxer_select="mov_muxer"
1453 tgp_muxer_select="mov_muxer"
1454 w64_demuxer_deps="wav_demuxer"
1455
1456 # indevs / outdevs
1457 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1458 alsa_outdev_deps="alsa_asoundlib_h"
1459 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1460 dv1394_indev_deps="dv1394 dv_demuxer"
1461 fbdev_indev_deps="linux_fb_h"
1462 jack_indev_deps="jack_jack_h"
1463 libcdio_indev_deps="libcdio"
1464 libdc1394_indev_deps="libdc1394"
1465 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1466 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1467 pulse_indev_deps="libpulse"
1468 sndio_indev_deps="sndio_h"
1469 sndio_outdev_deps="sndio_h"
1470 v4l_indev_deps="linux_videodev_h"
1471 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1472 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1473 vfwcap_indev_extralibs="-lavicap32"
1474 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1475 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1476
1477 # protocols
1478 gopher_protocol_deps="network"
1479 http_protocol_deps="network"
1480 http_protocol_select="tcp_protocol"
1481 mmsh_protocol_select="http_protocol"
1482 mmst_protocol_deps="network"
1483 rtmp_protocol_select="tcp_protocol"
1484 rtp_protocol_select="udp_protocol"
1485 tcp_protocol_deps="network"
1486 tls_protocol_deps_any="openssl gnutls"
1487 tls_protocol_select="tcp_protocol"
1488 udp_protocol_deps="network"
1489
1490 # filters
1491 blackframe_filter_deps="gpl"
1492 boxblur_filter_deps="gpl"
1493 cropdetect_filter_deps="gpl"
1494 delogo_filter_deps="gpl"
1495 drawtext_filter_deps="libfreetype"
1496 frei0r_filter_deps="frei0r dlopen strtok_r"
1497 frei0r_src_filter_deps="frei0r dlopen strtok_r"
1498 hqdn3d_filter_deps="gpl"
1499 ocv_filter_deps="libopencv"
1500 scale_filter_deps="swscale"
1501 yadif_filter_deps="gpl"
1502
1503 # libraries
1504 avdevice_deps="avcodec avformat"
1505 avformat_deps="avcodec"
1506 postproc_deps="gpl"
1507
1508 # programs
1509 ffmpeg_deps="avcodec avformat swscale"
1510 ffmpeg_select="buffer_filter"
1511 avconv_deps="avcodec avformat swscale"
1512 avconv_select="buffer_filter"
1513 avplay_deps="avcodec avformat swscale sdl"
1514 avplay_select="rdft"
1515 avprobe_deps="avcodec avformat"
1516 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1517 avserver_extralibs='$ldl'
1518
1519 doc_deps="texi2html"
1520
1521 # tests
1522
1523 test_deps(){
1524     suf1=$1
1525     suf2=$2
1526     shift 2
1527     for v; do
1528         dep=${v%=*}
1529         tests=${v#*=}
1530         for name in ${tests}; do
1531             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1532         done
1533     done
1534 }
1535
1536 mxf_d10_test_deps="avfilter"
1537 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1538
1539 test_deps _encoder _decoder                                             \
1540     adpcm_g726=g726                                                     \
1541     adpcm_ima_qt                                                        \
1542     adpcm_ima_wav                                                       \
1543     adpcm_ms                                                            \
1544     adpcm_swf                                                           \
1545     adpcm_yamaha=adpcm_yam                                              \
1546     alac                                                                \
1547     asv1                                                                \
1548     asv2                                                                \
1549     bmp                                                                 \
1550     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1551     dvvideo="dv dv50"                                                   \
1552     ffv1                                                                \
1553     flac                                                                \
1554     flashsv                                                             \
1555     flv                                                                 \
1556     gif                                                                 \
1557     h261                                                                \
1558     h263="h263 h263p"                                                   \
1559     huffyuv                                                             \
1560     jpegls                                                              \
1561     mjpeg="jpg mjpeg ljpeg"                                             \
1562     mp2                                                                 \
1563     mpeg1video="mpeg mpeg1b"                                            \
1564     mpeg2video="mpeg2 mpeg2thread"                                      \
1565     mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1566     msmpeg4v3=msmpeg4                                                   \
1567     msmpeg4v2                                                           \
1568     pbm=pbmpipe                                                         \
1569     pcx                                                                 \
1570     pgm="pgm pgmpipe"                                                   \
1571     png                                                                 \
1572     ppm="ppm ppmpipe"                                                   \
1573     rawvideo="rgb yuv"                                                  \
1574     roq                                                                 \
1575     rv10                                                                \
1576     rv20                                                                \
1577     sgi                                                                 \
1578     snow="snow snowll"                                                  \
1579     svq1                                                                \
1580     targa=tga                                                           \
1581     tiff                                                                \
1582     wmav1                                                               \
1583     wmav2                                                               \
1584     wmv1                                                                \
1585     wmv2                                                                \
1586
1587 test_deps _muxer _demuxer                                               \
1588     aiff                                                                \
1589     pcm_alaw=alaw                                                       \
1590     asf                                                                 \
1591     au                                                                  \
1592     avi                                                                 \
1593     dv=dv_fmt                                                           \
1594     ffm                                                                 \
1595     flv=flv_fmt                                                         \
1596     gxf                                                                 \
1597     matroska=mkv                                                        \
1598     mmf                                                                 \
1599     mov                                                                 \
1600     pcm_mulaw=mulaw                                                     \
1601     mxf="mxf mxf_d10"                                                   \
1602     nut                                                                 \
1603     ogg                                                                 \
1604     rawvideo=pixfmt                                                     \
1605     rm                                                                  \
1606     swf                                                                 \
1607     mpegts=ts                                                           \
1608     voc                                                                 \
1609     wav                                                                 \
1610     yuv4mpegpipe=yuv4mpeg                                               \
1611
1612 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1613 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1614
1615 # default parameters
1616
1617 logfile="config.log"
1618
1619 # installation paths
1620 prefix_default="/usr/local"
1621 bindir_default='${prefix}/bin'
1622 datadir_default='${prefix}/share/avconv'
1623 incdir_default='${prefix}/include'
1624 libdir_default='${prefix}/lib'
1625 mandir_default='${prefix}/share/man'
1626 shlibdir_default="$libdir_default"
1627
1628 # toolchain
1629 ar_default="ar"
1630 cc_default="gcc"
1631 cc_version=\"unknown\"
1632 host_cc_default="gcc"
1633 ln_s="ln -sf"
1634 nm_default="nm"
1635 objformat="elf"
1636 pkg_config_default=pkg-config
1637 ranlib="ranlib"
1638 yasmexe="yasm"
1639 nogas=":"
1640
1641 nm_opts='-g'
1642
1643 # machine
1644 arch_default=$(uname -m)
1645 cpu="generic"
1646
1647 # OS
1648 target_os_default=$(tolower $(uname -s))
1649 host_os=$target_os_default
1650
1651 # configurable options
1652 enable avcodec
1653 enable avdevice
1654 enable avfilter
1655 enable avformat
1656 enable avutil
1657 enable asm
1658 enable debug
1659 enable doc
1660 enable fastdiv
1661 enable ffmpeg
1662 enable avconv
1663 enable avplay
1664 enable avprobe
1665 enable avserver
1666 enable network
1667 enable optimizations
1668 enable postproc
1669 enable protocols
1670 enable static
1671 enable swscale
1672 enable swscale_alpha
1673
1674 # build settings
1675 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1676 AVSERVERLDFLAGS=-Wl,-E
1677 LIBPREF="lib"
1678 LIBSUF=".a"
1679 FULLNAME='$(NAME)$(BUILDSUF)'
1680 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1681 SLIBPREF="lib"
1682 SLIBSUF=".so"
1683 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1684 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1685 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1686 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1687 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1688 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1689
1690 AS_O='-o $@'
1691 CC_O='-o $@'
1692
1693 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1694 host_libs='-lm'
1695
1696 target_path='$(CURDIR)'
1697
1698 # since the object filename is not given with the -MM flag, the compiler
1699 # is only able to print the basename, and we must add the path ourselves
1700 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1701 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1702
1703 # find source path
1704 if test -f configure; then
1705     source_path=.
1706 else
1707     source_path=$(cd $(dirname "$0"); pwd)
1708     echo "$source_path" | grep -q '[[:blank:]]' &&
1709         die "Out of tree builds are impossible with whitespace in source path."
1710     test -e "$source_path/config.h" &&
1711         die "Out of tree builds are impossible with config.h in source dir."
1712 fi
1713
1714 for v in "$@"; do
1715     r=${v#*=}
1716     l=${v%"$r"}
1717     r=$(sh_quote "$r")
1718     LIBAV_CONFIGURATION="${LIBAV_CONFIGURATION# } ${l}${r}"
1719 done
1720
1721 find_things(){
1722     thing=$1
1723     pattern=$2
1724     file=$source_path/$3
1725     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1726 }
1727
1728 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1729 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1730 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1731 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1732 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1733 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1734 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1735 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1736 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1737 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1738 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1739
1740 find_tests(){
1741     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1742 }
1743
1744 ACODEC_TESTS=$(find_tests acodec)
1745 VCODEC_TESTS=$(find_tests vsynth1)
1746 LAVF_TESTS=$(find_tests lavf)
1747 LAVFI_TESTS=$(find_tests lavfi)
1748 SEEK_TESTS=$(find_tests seek seek_)
1749
1750 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1751
1752 for n in $COMPONENT_LIST; do
1753     v=$(toupper ${n%s})_LIST
1754     eval enable \$$v
1755     eval ${n}_if_any="\$$v"
1756 done
1757
1758 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1759
1760 die_unknown(){
1761     echo "Unknown option \"$1\"."
1762     echo "See $0 --help for available options."
1763     exit 1
1764 }
1765
1766 show_list() {
1767     suffix=_$1
1768     shift
1769     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1770     exit 0
1771 }
1772
1773 for opt do
1774     optval="${opt#*=}"
1775     case "$opt" in
1776     --extra-ldflags=*) add_ldflags $optval
1777     ;;
1778     --extra-libs=*) add_extralibs $optval
1779     ;;
1780     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1781     ;;
1782     --enable-debug=*) debuglevel="$optval"
1783     ;;
1784     --disable-everything)
1785     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1786     ;;
1787     --enable-*=*|--disable-*=*)
1788     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1789     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1790     eval list=\$$(toupper $thing)_LIST
1791     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1792     $action $(filter "$name" $list)
1793     ;;
1794     --enable-?*|--disable-?*)
1795     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1796     if is_in $option $COMPONENT_LIST; then
1797         test $action = disable && action=unset
1798         eval $action \$$(toupper ${option%s})_LIST
1799     elif is_in $option $CMDLINE_SELECT; then
1800         $action $option
1801     else
1802         die_unknown $opt
1803     fi
1804     ;;
1805     --list-*)
1806         NAME="${opt#--list-}"
1807         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1808         NAME=${NAME%s}
1809         eval show_list $NAME \$$(toupper $NAME)_LIST
1810     ;;
1811     --help|-h) show_help
1812     ;;
1813     *)
1814     optname="${opt%%=*}"
1815     optname="${optname#--}"
1816     optname=$(echo "$optname" | sed 's/-/_/g')
1817     if is_in $optname $CMDLINE_SET; then
1818         eval $optname='$optval'
1819     elif is_in $optname $CMDLINE_APPEND; then
1820         append $optname "$optval"
1821     else
1822          die_unknown $opt
1823     fi
1824     ;;
1825     esac
1826 done
1827
1828 disabled logging && logfile=/dev/null
1829
1830 echo "# $0 $LIBAV_CONFIGURATION" > $logfile
1831 set >> $logfile
1832
1833 test -n "$cross_prefix" && enable cross_compile
1834
1835 if enabled cross_compile; then
1836     test -n "$arch" && test -n "$target_os" ||
1837         die "Must specify target arch and OS when cross-compiling"
1838 fi
1839
1840 set_default arch target_os
1841
1842 ar_default="${cross_prefix}${ar_default}"
1843 cc_default="${cross_prefix}${cc_default}"
1844 nm_default="${cross_prefix}${nm_default}"
1845 pkg_config_default="${cross_prefix}${pkg_config_default}"
1846 ranlib="${cross_prefix}${ranlib}"
1847
1848 sysinclude_default="${sysroot}/usr/include"
1849
1850 set_default cc nm pkg_config sysinclude
1851 enabled cross_compile || host_cc_default=$cc
1852 set_default host_cc
1853
1854 if ! $pkg_config --version >/dev/null 2>&1; then
1855     warn "$pkg_config not found, library detection may fail."
1856     pkg_config=false
1857 fi
1858
1859 exesuf() {
1860     case $1 in
1861         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1862     esac
1863 }
1864
1865 EXESUF=$(exesuf $target_os)
1866 HOSTEXESUF=$(exesuf $host_os)
1867
1868 # set temporary file name
1869 : ${TMPDIR:=$TEMPDIR}
1870 : ${TMPDIR:=$TMP}
1871 : ${TMPDIR:=/tmp}
1872
1873 if ! check_cmd mktemp -u XXXXXX; then
1874     # simple replacement for missing mktemp
1875     # NOT SAFE FOR GENERAL USE
1876     mktemp(){
1877         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
1878     }
1879 fi
1880
1881 tmpfile(){
1882     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
1883         (set -C; exec > $tmp) 2>/dev/null ||
1884         die "Unable to create temporary file in $TMPDIR."
1885     append TMPFILES $tmp
1886     eval $1=$tmp
1887 }
1888
1889 trap 'rm -f -- $TMPFILES' EXIT
1890
1891 tmpfile TMPC  .c
1892 tmpfile TMPE  $EXESUF
1893 tmpfile TMPH  .h
1894 tmpfile TMPO  .o
1895 tmpfile TMPS  .S
1896 tmpfile TMPV  .ver
1897 tmpfile TMPSH .sh
1898 tmpfile TMPASM .asm
1899
1900 unset -f mktemp
1901
1902 chmod +x $TMPE
1903
1904 # make sure we can execute files in $TMPDIR
1905 cat > $TMPSH 2>> $logfile <<EOF
1906 #! /bin/sh
1907 EOF
1908 chmod +x $TMPSH >> $logfile 2>&1
1909 if ! $TMPSH >> $logfile 2>&1; then
1910     cat <<EOF
1911 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
1912 variable to another directory and make sure that it is not mounted noexec.
1913 EOF
1914     die "Sanity test failed."
1915 fi
1916
1917 filter_cflags=echo
1918 filter_cppflags=echo
1919 filter_asflags=echo
1920
1921 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
1922     cc_type=llvm_gcc
1923     cc_version=__VERSION__
1924     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
1925     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
1926     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1927     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1928     speed_cflags='-O3'
1929     size_cflags='-Os'
1930 elif $cc -v 2>&1 | grep -qi ^gcc; then
1931     cc_type=gcc
1932     cc_version=__VERSION__
1933     gcc_version=$($cc --version | head -n1)
1934     gcc_basever=$($cc -dumpversion)
1935     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
1936     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
1937     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
1938     if ! $cc -dumpversion | grep -q '^2\.'; then
1939         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1940         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
1941     fi
1942     speed_cflags='-O3'
1943     size_cflags='-Os'
1944 elif $cc --version 2>/dev/null | grep -q Intel; then
1945     cc_type=icc
1946     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
1947     cc_ident=$($cc --version | head -n1)
1948     icc_version=$($cc -dumpversion)
1949     CC_DEPFLAGS='-MMD'
1950     AS_DEPFLAGS='-MMD'
1951     speed_cflags='-O3'
1952     size_cflags='-Os'
1953     noopt_cflags='-O1'
1954 elif $cc -v 2>&1 | grep -q xlc; then
1955     cc_type=xlc
1956     cc_version="AV_STRINGIFY(__IBMC__)"
1957     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
1958     speed_cflags='-O5'
1959     size_cflags='-O5 -qcompact'
1960 elif $cc -V 2>/dev/null | grep -q Compaq; then
1961     cc_type=ccc
1962     cc_version="AV_STRINGIFY(__DECC_VER)"
1963     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
1964     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
1965     debuglevel=3
1966     add_ldflags -Wl,-z,now # calls to libots crash without this
1967     speed_cflags='-fast'
1968     size_cflags='-O1'
1969 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
1970     test -d "$sysroot" || die "No valid sysroot specified."
1971     cc_type=armcc
1972     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
1973     cc_ident=$($cc --vsn | head -n1)
1974     armcc_conf="$PWD/armcc.conf"
1975     $cc --arm_linux_configure                 \
1976         --arm_linux_config_file="$armcc_conf" \
1977         --configure_sysroot="$sysroot"        \
1978         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
1979         die "Error creating armcc configuration file."
1980     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
1981     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
1982     as_default="${cross_prefix}gcc"
1983     CC_DEPFLAGS='-MMD'
1984     AS_DEPFLAGS='-MMD'
1985     speed_cflags='-O3'
1986     size_cflags='-Os'
1987     filter_asflags="filter_out -W${armcc_opt}*"
1988 elif $cc -version 2>/dev/null | grep -q TMS470; then
1989     cc_type=tms470
1990     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
1991     cc_ident=$($cc -version | head -n1 | tr -s ' ')
1992     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
1993     CC_O='-fr=$(@D)'
1994     as_default="${cross_prefix}gcc"
1995     ld_default="${cross_prefix}gcc"
1996     TMPO=$(basename $TMPC .c).o
1997     append TMPFILES $TMPO
1998     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
1999     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2000     AS_DEPFLAGS='-MMD'
2001     speed_cflags='-O3 -mf=5'
2002     size_cflags='-O3 -mf=2'
2003     filter_cflags=tms470_flags
2004     tms470_flags(){
2005         for flag; do
2006             case $flag in
2007                 -march=*|-mcpu=*)
2008                     case "${flag#*=}" in
2009                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2010                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2011                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2012                         armv6*|arm11*)          echo -mv=6   ;;
2013                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2014                                                 echo -mv=5e  ;;
2015                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2016                     esac
2017                     ;;
2018                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2019                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2020                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2021                 -msoft-float)   echo --float_support=vfplib       ;;
2022                 -O[0-3]|-mf=*)  echo $flag                        ;;
2023                 -g)             echo -g -mn                       ;;
2024                 -pds=*)         echo $flag                        ;;
2025             esac
2026         done
2027     }
2028 elif $cc -v 2>&1 | grep -q clang; then
2029     cc_type=clang
2030     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2031         cc_version=__clang_version__ || cc_version=__VERSION__
2032     cc_ident=$($cc --version | head -n1)
2033     CC_DEPFLAGS='-MMD'
2034     AS_DEPFLAGS='-MMD'
2035     speed_cflags='-O3'
2036     size_cflags='-Os'
2037 elif $cc -V 2>&1 | grep -q Sun; then
2038     cc_type=suncc
2039     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2040     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2041     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2042     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2043     add_ldflags -xc99
2044     speed_cflags='-O5'
2045     size_cflags='-O5 -xspace'
2046     filter_cflags=suncc_flags
2047     suncc_flags(){
2048         for flag; do
2049             case $flag in
2050                 -march=*|-mcpu=*)
2051                     case "${flag#*=}" in
2052                         native)                   echo -xtarget=native       ;;
2053                         v9|niagara)               echo -xarch=sparc          ;;
2054                         ultrasparc)               echo -xarch=sparcvis       ;;
2055                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2056                         i586|pentium)             echo -xchip=pentium        ;;
2057                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2058                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2059                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2060                         pentium4*)          echo -xtarget=pentium4           ;;
2061                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2062                         *-sse3)             echo -xarch=sse3                 ;;
2063                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2064                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2065                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2066                         k8|opteron|athlon64|athlon-fx)
2067                                                   echo -xarch=sse2a          ;;
2068                         athlon*)                  echo -xarch=pentium_proa   ;;
2069                     esac
2070                     ;;
2071                 -std=c99)             echo -xc99              ;;
2072                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2073                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2074                 -W*,*)                echo $flag              ;;
2075                 -f*-*|-W*)                                    ;;
2076                 *)                    echo $flag              ;;
2077             esac
2078         done
2079     }
2080 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2081     cc_type=pathscale
2082     cc_version=__PATHSCALE__
2083     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2084     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2085     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2086     speed_cflags='-O2'
2087     size_cflags='-Os'
2088     filter_cflags='filter_out -Wdisabled-optimization'
2089 elif $cc -v 2>&1 | grep -q Open64; then
2090     cc_type=open64
2091     cc_version=__OPEN64__
2092     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2093     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2094     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2095     speed_cflags='-O2'
2096     size_cflags='-Os'
2097     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2098 fi
2099
2100 test -n "$cc_type" && enable $cc_type ||
2101     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2102
2103 : ${as_default:=$cc}
2104 : ${dep_cc_default:=$cc}
2105 : ${ld_default:=$cc}
2106 set_default ar as dep_cc ld
2107
2108 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2109 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2110
2111 add_cflags $extra_cflags
2112 add_asflags $extra_cflags
2113
2114 if test -n "$sysroot"; then
2115     case "$cc_type" in
2116         gcc|llvm_gcc|clang)
2117             add_cppflags --sysroot="$sysroot"
2118             add_ldflags --sysroot="$sysroot"
2119         ;;
2120         tms470)
2121             add_cppflags -I"$sysinclude"
2122             add_ldflags  --sysroot="$sysroot"
2123         ;;
2124     esac
2125 fi
2126
2127 if test "$cpu" = host; then
2128     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2129
2130     case "$cc_type" in
2131         gcc|llvm_gcc)
2132             check_native(){
2133                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2134                 sed -n "/cc1.*$1=/{
2135                             s/.*$1=\\([^ ]*\\).*/\\1/
2136                             p
2137                             q
2138                         }" $TMPE
2139             }
2140             cpu=$(check_native -march || check_native -mcpu)
2141         ;;
2142     esac
2143
2144     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2145 fi
2146
2147 # Deal with common $arch aliases
2148 case "$arch" in
2149     arm*)
2150         arch="arm"
2151     ;;
2152     mips|mipsel|IP*)
2153         arch="mips"
2154     ;;
2155     mips64*)
2156         arch="mips"
2157         subarch="mips64"
2158     ;;
2159     parisc|hppa)
2160         arch="parisc"
2161     ;;
2162     parisc64|hppa64)
2163         arch="parisc"
2164         subarch="parisc64"
2165     ;;
2166     "Power Macintosh"|ppc|powerpc)
2167         arch="ppc"
2168     ;;
2169     ppc64|powerpc64)
2170         arch="ppc"
2171         subarch="ppc64"
2172     ;;
2173     s390|s390x)
2174         arch="s390"
2175     ;;
2176     sh4|sh)
2177         arch="sh4"
2178     ;;
2179     sun4u|sparc64)
2180         arch="sparc"
2181         subarch="sparc64"
2182     ;;
2183     i[3-6]86|i86pc|BePC|x86pc|x86_64|amd64)
2184         arch="x86"
2185     ;;
2186 esac
2187
2188 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2189 enable $arch
2190
2191 # Add processor-specific flags
2192 if test "$cpu" = generic; then
2193     : do nothing
2194 elif enabled ppc; then
2195
2196     case $(tolower $cpu) in
2197         601|ppc601|powerpc601)
2198             cpuflags="-mcpu=601"
2199             disable altivec
2200         ;;
2201         603*|ppc603*|powerpc603*)
2202             cpuflags="-mcpu=603"
2203             disable altivec
2204         ;;
2205         604*|ppc604*|powerpc604*)
2206             cpuflags="-mcpu=604"
2207             disable altivec
2208         ;;
2209         g3|75*|ppc75*|powerpc75*)
2210             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2211             disable altivec
2212         ;;
2213         g4|745*|ppc745*|powerpc745*)
2214             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2215         ;;
2216         74*|ppc74*|powerpc74*)
2217             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2218         ;;
2219         g5|970|ppc970|powerpc970|power4*)
2220             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2221         ;;
2222         cell)
2223             cpuflags="-mcpu=cell"
2224             enable ldbrx
2225         ;;
2226         e500v2)
2227             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2228             disable altivec
2229         ;;
2230         e500)
2231             cpuflags="-mcpu=8540 -mhard-float"
2232             disable altivec
2233         ;;
2234     esac
2235
2236 elif enabled x86; then
2237
2238     case $cpu in
2239         i[345]86|pentium)
2240             cpuflags="-march=$cpu"
2241             disable mmx
2242         ;;
2243         # targets that do NOT support conditional mov (cmov)
2244         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2245             cpuflags="-march=$cpu"
2246             disable cmov
2247         ;;
2248         # targets that do support conditional mov (cmov)
2249         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2250             cpuflags="-march=$cpu"
2251             enable cmov
2252             enable fast_cmov
2253         ;;
2254         # targets that do support conditional mov but on which it's slow
2255         pentium4|pentium4m|prescott|nocona)
2256             cpuflags="-march=$cpu"
2257             enable cmov
2258             disable fast_cmov
2259         ;;
2260     esac
2261
2262 elif enabled sparc; then
2263
2264     case $cpu in
2265         niagara)
2266             cpuflags="-mcpu=$cpu"
2267             disable vis
2268         ;;
2269         sparc64)
2270             cpuflags="-mcpu=v9"
2271         ;;
2272     esac
2273
2274 elif enabled arm; then
2275
2276     case $cpu in
2277         armv*)
2278             cpuflags="-march=$cpu"
2279             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2280         ;;
2281         *)
2282             cpuflags="-mcpu=$cpu"
2283             case $cpu in
2284                 cortex-a*)                               subarch=armv7a  ;;
2285                 cortex-r*)                               subarch=armv7r  ;;
2286                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2287                 arm11*)                                  subarch=armv6   ;;
2288                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2289                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2290             esac
2291         ;;
2292     esac
2293
2294 elif enabled alpha; then
2295
2296     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2297
2298 elif enabled bfin; then
2299
2300     cpuflags="-mcpu=$cpu"
2301
2302 elif enabled mips; then
2303
2304     cpuflags="-march=$cpu"
2305
2306 elif enabled avr32; then
2307
2308     case $cpu in
2309         ap7[02]0[0-2])
2310             subarch="avr32_ap"
2311             cpuflags="-mpart=$cpu"
2312         ;;
2313         ap)
2314             subarch="avr32_ap"
2315             cpuflags="-march=$cpu"
2316         ;;
2317         uc3[ab]*)
2318             subarch="avr32_uc"
2319             cpuflags="-mcpu=$cpu"
2320         ;;
2321         uc)
2322             subarch="avr32_uc"
2323             cpuflags="-march=$cpu"
2324         ;;
2325     esac
2326
2327 fi
2328
2329 add_cflags $cpuflags
2330 add_asflags $cpuflags
2331
2332 # compiler sanity check
2333 check_exec <<EOF
2334 int main(void){ return 0; }
2335 EOF
2336 if test "$?" != 0; then
2337     echo "$cc is unable to create an executable file."
2338     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2339         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2340         echo "Only do this if you know what cross compiling means."
2341     fi
2342     die "C compiler test failed."
2343 fi
2344
2345 add_cppflags -D_ISOC99_SOURCE
2346 check_cflags -std=c99
2347 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2348 #include <stdlib.h>
2349 EOF
2350 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2351 #include <stdlib.h>
2352 EOF
2353
2354 check_host_cflags -std=c99
2355 check_host_cflags -Wall
2356
2357 case "$arch" in
2358     alpha|ia64|mips|parisc|sparc)
2359         spic=$shared
2360     ;;
2361     x86)
2362         subarch="x86_32"
2363         check_cc <<EOF && subarch="x86_64"
2364         int test[(int)sizeof(char*) - 7];
2365 EOF
2366         if test "$subarch" = "x86_64"; then
2367             spic=$shared
2368         fi
2369     ;;
2370 esac
2371
2372 enable $subarch
2373 enabled spic && enable pic
2374
2375 # OS specific
2376 case $target_os in
2377     haiku)
2378         prefix_default="/boot/common"
2379         network_extralibs="-lnetwork"
2380         host_libs=
2381         ;;
2382     sunos)
2383         AVSERVERLDFLAGS=""
2384         SHFLAGS='-shared -Wl,-h,$$(@F)'
2385         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2386         network_extralibs="-lsocket -lnsl"
2387         add_cppflags -D__EXTENSIONS__
2388         # When using suncc to build, the Solaris linker will mark
2389         # an executable with each instruction set encountered by
2390         # the Solaris assembler.  As our libraries contain their own
2391         # guards for processor-specific code, instead suppress
2392         # generation of the HWCAPS ELF section on Solaris x86 only.
2393         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2394         nm_opts='-P -g'
2395         ;;
2396     netbsd)
2397         disable symver
2398         oss_indev_extralibs="-lossaudio"
2399         oss_outdev_extralibs="-lossaudio"
2400         ;;
2401     openbsd)
2402         enable malloc_aligned
2403         # On OpenBSD 4.5. the compiler does not use PIC unless
2404         # explicitly using -fPIC. Libav builds fine without PIC,
2405         # however the generated executable will not do anything
2406         # (simply quits with exit-code 1, no crash, no output).
2407         # Thus explicitly enable PIC here.
2408         enable pic
2409         disable symver
2410         SHFLAGS='-shared'
2411         oss_indev_extralibs="-lossaudio"
2412         oss_outdev_extralibs="-lossaudio"
2413         ;;
2414     dragonfly)
2415         enable malloc_aligned
2416         disable symver
2417         ;;
2418     freebsd)
2419         enable malloc_aligned
2420         ;;
2421     bsd/os)
2422         add_extralibs -lpoll -lgnugetopt
2423         ;;
2424     darwin)
2425         enable malloc_aligned
2426         gas="gas-preprocessor.pl $cc"
2427         enabled ppc && add_asflags -force_cpusubtype_ALL
2428         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2429         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2430         add_ldflags -Wl,-dynamic,-search_paths_first
2431         SLIBSUF=".dylib"
2432         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2433         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2434         AVSERVERLDFLAGS=-Wl,-bind_at_load
2435         objformat="macho"
2436         enabled x86_64 && objformat="macho64"
2437         enabled_any pic shared ||
2438             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2439         ;;
2440     mingw32*)
2441         if test $target_os = "mingw32ce"; then
2442             disable network
2443         else
2444             target_os=mingw32
2445             enable_weak w32threads
2446         fi
2447         LIBTARGET=i386
2448         if enabled x86_64; then
2449             enable malloc_aligned
2450             LIBTARGET="i386:x86-64"
2451         elif enabled arm; then
2452             LIBTARGET=arm-wince
2453         fi
2454         shlibdir_default="$bindir_default"
2455         SLIBPREF=""
2456         SLIBSUF=".dll"
2457         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2458         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2459         SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2460         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2461         SLIB_INSTALL_LINKS=
2462         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2463         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2464         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'
2465         objformat="win32"
2466         dlltool="${cross_prefix}dlltool"
2467         enable dos_paths
2468         check_cflags -fno-common
2469         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2470                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2471                 die "ERROR: MinGW runtime version must be >= 3.15."
2472         add_cppflags -U__STRICT_ANSI__
2473         ;;
2474     cygwin*)
2475         target_os=cygwin
2476         shlibdir_default="$bindir_default"
2477         SLIBPREF="cyg"
2478         SLIBSUF=".dll"
2479         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2480         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2481         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2482         objformat="win32"
2483         enable dos_paths
2484         check_cflags -fno-common
2485         add_cppflags -U__STRICT_ANSI__
2486         ;;
2487     *-dos|freedos|opendos)
2488         network_extralibs="-lsocket"
2489         objformat="coff"
2490         enable dos_paths
2491         add_cppflags -U__STRICT_ANSI__
2492         ;;
2493     linux)
2494         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2495         enable dv1394
2496         ;;
2497     irix*)
2498         target_os=irix
2499         ranlib="echo ignoring ranlib"
2500         ;;
2501     os/2*)
2502         ln_s="cp -f"
2503         objformat="aout"
2504         add_cppflags -D_GNU_SOURCE
2505         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2506         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2507         AVSERVERLDFLAGS=""
2508         LIBSUF="_s.a"
2509         SLIBPREF=""
2510         SLIBSUF=".dll"
2511         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2512         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2513         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2514           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2515           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2516           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2517           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2518           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2519         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2520           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2521         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2522         enable dos_paths
2523         ;;
2524     gnu/kfreebsd)
2525         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2526         ;;
2527     gnu)
2528         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2529         ;;
2530     qnx)
2531         add_cppflags -D_QNX_SOURCE
2532         network_extralibs="-lsocket"
2533         ;;
2534     symbian)
2535         SLIBSUF=".dll"
2536         enable dos_paths
2537         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2538         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2539         add_ldflags -Wl,--target1-abs,--no-undefined \
2540                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2541                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2542         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2543                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2544                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2545         ;;
2546     none)
2547         ;;
2548     *)
2549         die "Unknown OS '$target_os'."
2550         ;;
2551 esac
2552
2553 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$LIBAV_CONFIGURATION" >config.fate
2554
2555 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2556
2557 set_default $PATHS_LIST
2558
2559 # we need to build at least one lib type
2560 if ! enabled_any static shared; then
2561     cat <<EOF
2562 At least one library type must be built.
2563 Specify --enable-static to build the static libraries or --enable-shared to
2564 build the shared libraries as well. To only build the shared libraries specify
2565 --disable-static in addition to --enable-shared.
2566 EOF
2567     exit 1;
2568 fi
2569
2570 die_license_disabled() {
2571     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2572 }
2573
2574 die_license_disabled gpl libcdio
2575 die_license_disabled gpl libx264
2576 die_license_disabled gpl libxavs
2577 die_license_disabled gpl libxvid
2578 die_license_disabled gpl x11grab
2579
2580 die_license_disabled nonfree libfaac
2581 die_license_disabled nonfree openssl
2582
2583 die_license_disabled version3 libopencore_amrnb
2584 die_license_disabled version3 libopencore_amrwb
2585 die_license_disabled version3 libvo_aacenc
2586 die_license_disabled version3 libvo_amrwbenc
2587
2588 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2589
2590 disabled optimizations || check_cflags -fomit-frame-pointer
2591
2592 enable_pic() {
2593     enable pic
2594     add_cppflags -DPIC
2595     add_cflags   -fPIC
2596     add_asflags  -fPIC
2597 }
2598
2599 enabled pic && enable_pic
2600
2601 check_cc <<EOF || die "Symbol mangling check failed."
2602 int ff_extern;
2603 EOF
2604 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2605 extern_prefix=${sym%%ff_extern*}
2606
2607 check_cc <<EOF && enable inline_asm
2608 void foo(void) { __asm__ volatile ("" ::); }
2609 EOF
2610
2611 _restrict=
2612 for restrict_keyword in restrict __restrict__ __restrict; do
2613     check_cc <<EOF && _restrict=$restrict_keyword && break
2614 void foo(char * $restrict_keyword p);
2615 EOF
2616 done
2617
2618 check_cc <<EOF && enable attribute_packed
2619 struct { int x; } __attribute__((packed)) x;
2620 EOF
2621
2622 check_cc <<EOF && enable attribute_may_alias
2623 union { int x; } __attribute__((may_alias)) x;
2624 EOF
2625
2626 check_cc <<EOF || die "endian test failed"
2627 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2628 EOF
2629 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2630
2631 if enabled alpha; then
2632
2633     check_cflags -mieee
2634
2635 elif enabled arm; then
2636
2637     enabled thumb && check_cflags -mthumb || check_cflags -marm
2638     nogas=die
2639
2640     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2641         enable vfp_args
2642     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2643         case "${cross_prefix:-$cc}" in
2644             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2645             *) check_ld <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2646 __asm__ (".eabi_attribute 28, 1");
2647 int main(void) { return 0; }
2648 EOF
2649         esac
2650         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2651     fi
2652
2653     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2654     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2655     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2656     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2657     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2658     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2659     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2660
2661     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2662
2663     enabled_all armv6t2 shared !pic && enable_pic
2664
2665 elif enabled mips; then
2666
2667     check_asm loongson '"dmult.g $1, $2, $3"'
2668     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2669
2670 elif enabled ppc; then
2671
2672     enable local_aligned_8 local_aligned_16
2673
2674     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2675     check_asm ibm_asm   '"add 0, 0, 0"'
2676     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2677     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2678
2679     # AltiVec flags: The FSF version of GCC differs from the Apple version
2680     if enabled altivec; then
2681         nogas=warn
2682         check_cflags -maltivec -mabi=altivec &&
2683         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2684         check_cflags -faltivec
2685
2686         # check if our compiler supports Motorola AltiVec C API
2687         check_cc <<EOF || disable altivec
2688 $inc_altivec_h
2689 int main(void) {
2690     vector signed int v1, v2, v3;
2691     v1 = vec_add(v2,v3);
2692     return 0;
2693 }
2694 EOF
2695
2696         # check if our compiler supports braces for vector declarations
2697         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2698 $inc_altivec_h
2699 int main (void) { (vector int) {1}; return 0; }
2700 EOF
2701     fi
2702
2703 elif enabled sparc; then
2704
2705     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2706         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2707
2708 elif enabled x86; then
2709
2710     enable local_aligned_8 local_aligned_16
2711
2712     # check whether EBP is available on x86
2713     # As 'i' is stored on the stack, this program will crash
2714     # if the base pointer is used to access it because the
2715     # base pointer is cleared in the inline assembly code.
2716     check_exec_crash <<EOF && enable ebp_available
2717     volatile int i=0;
2718     __asm__ volatile (
2719         "xorl %%ebp, %%ebp"
2720     ::: "%ebp");
2721     return i;
2722 EOF
2723
2724     # check whether EBX is available on x86
2725     check_asm ebx_available '""::"b"(0)' &&
2726         check_asm ebx_available '"":::"%ebx"'
2727
2728     # check whether xmm clobbers are supported
2729     check_asm xmm_clobbers '"":::"%xmm0"'
2730
2731     # check whether binutils is new enough to compile SSSE3/MMX2
2732     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2733     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2734
2735     check_asm bswap '"bswap %%eax" ::: "%eax"'
2736
2737     if ! disabled_any asm mmx yasm; then
2738         if check_cmd $yasmexe --version; then
2739             enabled x86_64 && yasm_extra="-m amd64"
2740             yasm_debug="-g dwarf2"
2741         elif check_cmd nasm -v; then
2742             yasmexe=nasm
2743             yasm_debug="-g -F dwarf"
2744             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2745         fi
2746
2747         YASMFLAGS="-f $objformat $yasm_extra"
2748         enabled pic               && append YASMFLAGS "-DPIC"
2749         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2750         case "$objformat" in
2751             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2752         esac
2753
2754         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2755             die "yasm not found, use --disable-yasm for a crippled build"
2756         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2757     fi
2758
2759     case "$cpu" in
2760         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2761             disable fast_clz
2762         ;;
2763     esac
2764
2765 fi
2766
2767 if enabled asm; then
2768     as=${gas:=$as}
2769     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2770         $nogas "GNU assembler not found, install gas-preprocessor"
2771 fi
2772
2773 check_ldflags -Wl,--as-needed
2774
2775 if check_func dlopen; then
2776     ldl=
2777 elif check_func dlopen -ldl; then
2778     ldl=-ldl
2779 fi
2780
2781 if enabled network; then
2782     check_type "sys/types.h sys/socket.h" socklen_t
2783     check_type netdb.h "struct addrinfo"
2784     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2785     check_type netinet/in.h "struct sockaddr_in6"
2786     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2787     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2788     # Prefer arpa/inet.h over winsock2
2789     if check_header arpa/inet.h ; then
2790         check_func closesocket
2791     elif check_header winsock2.h ; then
2792         check_func_headers winsock2.h closesocket -lws2 && \
2793             network_extralibs="-lws2" || \
2794         { check_func_headers winsock2.h closesocket -lws2_32 && \
2795             network_extralibs="-lws2_32"; }
2796         check_type ws2tcpip.h socklen_t
2797         check_type ws2tcpip.h "struct addrinfo"
2798         check_type ws2tcpip.h "struct ipv6_mreq"
2799         check_type ws2tcpip.h "struct sockaddr_in6"
2800         check_type ws2tcpip.h "struct sockaddr_storage"
2801         check_struct winsock2.h "struct sockaddr" sa_len
2802     else
2803         disable network
2804     fi
2805 fi
2806
2807 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2808 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2809
2810 check_func  fcntl
2811 check_func  fork
2812 check_func  getaddrinfo $network_extralibs
2813 check_func  gethrtime
2814 check_func  getrusage
2815 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2816 check_func  inet_aton $network_extralibs
2817 check_func  isatty
2818 check_func  localtime_r
2819 check_func  ${malloc_prefix}memalign            && enable memalign
2820 check_func  mkstemp
2821 check_func  mmap
2822 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2823 check_func  setrlimit
2824 check_func  strerror_r
2825 check_func  strptime
2826 check_func  strtok_r
2827 check_func_headers io.h setmode
2828 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2829 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2830 check_func_headers windows.h GetProcessTimes
2831 check_func_headers windows.h MapViewOfFile
2832 check_func_headers windows.h VirtualAlloc
2833
2834 check_header dlfcn.h
2835 check_header dxva2api.h
2836 check_header malloc.h
2837 check_header poll.h
2838 check_header sys/mman.h
2839 check_header sys/resource.h
2840 check_header sys/select.h
2841 check_header vdpau/vdpau.h
2842 check_header vdpau/vdpau_x11.h
2843 check_header X11/extensions/XvMClib.h
2844
2845 check_struct dxva2api.h DXVA_PictureParameters wDecodedPictureIndex
2846
2847 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2848 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2849
2850 # check for some common methods of building with pthread support
2851 # do this before the optional library checks as some of them require pthreads
2852 if ! disabled pthreads && ! enabled w32threads; then
2853     enable pthreads
2854     if check_func pthread_create; then
2855         :
2856     elif check_func pthread_create -pthread; then
2857         add_cflags -pthread
2858         add_extralibs -pthread
2859     elif check_func pthread_create -pthreads; then
2860         add_cflags -pthreads
2861         add_extralibs -pthreads
2862     elif check_func pthread_create -lpthreadGC2; then
2863         add_extralibs -lpthreadGC2
2864     elif ! check_lib pthread.h pthread_create -lpthread; then
2865         disable pthreads
2866     fi
2867 fi
2868
2869 for thread in $THREADS_LIST; do
2870     if enabled $thread; then
2871         test -n "$thread_type" &&
2872             die "ERROR: Only one thread type must be selected." ||
2873             thread_type="$thread"
2874     fi
2875 done
2876
2877 check_lib math.h sin -lm && LIBM="-lm"
2878 enabled vaapi && require vaapi va/va.h vaInitialize -lva
2879
2880 check_mathfunc exp2
2881 check_mathfunc exp2f
2882 check_mathfunc llrint
2883 check_mathfunc llrintf
2884 check_mathfunc log2
2885 check_mathfunc log2f
2886 check_mathfunc lrint
2887 check_mathfunc lrintf
2888 check_mathfunc round
2889 check_mathfunc roundf
2890 check_mathfunc trunc
2891 check_mathfunc truncf
2892
2893 # these are off by default, so fail if requested and not available
2894 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
2895 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
2896 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
2897 enabled libdirac   && require_pkg_config dirac                          \
2898     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
2899     "dirac_decoder_init dirac_encoder_init"
2900 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
2901 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
2902 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
2903 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
2904 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
2905 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
2906 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
2907 enabled libopencv  && require_pkg_config opencv opencv/cv.h cvCreateImageHeader
2908 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
2909 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
2910 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
2911 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
2912 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
2913 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
2914 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
2915 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
2916 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
2917 enabled libvpx     && {
2918     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
2919                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
2920     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
2921                                 die "ERROR: libvpx encoder version must be >=0.9.1"; } }
2922 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
2923                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
2924                         die "ERROR: libx264 version must be >= 0.118."; }
2925 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
2926 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
2927 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
2928 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
2929                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
2930                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
2931                         die "ERROR: openssl not found"; }
2932
2933 # libdc1394 check
2934 if enabled libdc1394; then
2935     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
2936         enable libdc1394_2; } ||
2937     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
2938         enable libdc1394_1; } ||
2939     die "ERROR: No version of libdc1394 found "
2940 fi
2941
2942 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
2943     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
2944     enable sdl &&
2945     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
2946 fi
2947
2948 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
2949
2950 check_header linux/fb.h
2951 check_header linux/videodev.h
2952 check_header linux/videodev2.h
2953 check_header sys/videoio.h
2954
2955 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
2956 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
2957 # w32api 3.12 had it defined wrong
2958 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
2959
2960 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
2961 { check_header dev/bktr/ioctl_meteor.h &&
2962   check_header dev/bktr/ioctl_bt848.h; } ||
2963 { check_header machine/ioctl_meteor.h &&
2964   check_header machine/ioctl_bt848.h; } ||
2965 { check_header dev/video/meteor/ioctl_meteor.h &&
2966   check_header dev/video/bktr/ioctl_bt848.h; } ||
2967 check_header dev/ic/bt8xx.h
2968
2969 check_header sndio.h
2970 check_header sys/soundcard.h
2971 check_header soundcard.h
2972
2973 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
2974
2975 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack
2976
2977 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
2978
2979 enabled libcdio &&
2980     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
2981
2982 enabled x11grab                         &&
2983 check_header X11/Xlib.h                 &&
2984 check_header X11/extensions/XShm.h      &&
2985 check_header X11/extensions/Xfixes.h    &&
2986 check_func XOpenDisplay -lX11           &&
2987 check_func XShmCreateImage -lX11 -lXext &&
2988 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
2989
2990 if ! disabled vdpau && enabled vdpau_vdpau_h; then
2991 check_cpp_condition \
2992     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
2993     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
2994       disable vdpau; }
2995 fi
2996
2997 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
2998
2999 # add some useful compiler flags if supported
3000 check_cflags -Wdeclaration-after-statement
3001 check_cflags -Wall
3002 check_cflags -Wno-parentheses
3003 check_cflags -Wno-switch
3004 check_cflags -Wno-format-zero-length
3005 check_cflags -Wdisabled-optimization
3006 check_cflags -Wpointer-arith
3007 check_cflags -Wredundant-decls
3008 check_cflags -Wno-pointer-sign
3009 check_cflags -Wcast-qual
3010 check_cflags -Wwrite-strings
3011 check_cflags -Wtype-limits
3012 check_cflags -Wundef
3013 check_cflags -Wmissing-prototypes
3014 check_cflags -Wstrict-prototypes
3015 enabled extra_warnings && check_cflags -Winline
3016
3017 # add some linker flags
3018 check_ldflags -Wl,--warn-common
3019 check_ldflags -Wl,-rpath-link=libpostproc:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3020 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3021
3022 echo "X{};" > $TMPV
3023 if test_ldflags -Wl,--version-script,$TMPV; then
3024     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3025     check_cc <<EOF && enable symver_asm_label
3026 void ff_foo(void) __asm__ ("av_foo@VERSION");
3027 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3028 EOF
3029     check_cc <<EOF && enable symver_gnu_asm
3030 __asm__(".symver ff_foo,av_foo@VERSION");
3031 void ff_foo(void) {}
3032 EOF
3033 fi
3034
3035 if [ -n "$optflags" ]; then
3036     add_cflags $optflags
3037 elif enabled small; then
3038     add_cflags $size_cflags
3039 elif enabled optimizations; then
3040     add_cflags $speed_cflags
3041 else
3042     add_cflags $noopt_cflags
3043 fi
3044 check_cflags -fno-math-errno
3045 check_cflags -fno-signed-zeros
3046
3047 if enabled icc; then
3048     # Just warnings, no remarks
3049     check_cflags -w1
3050     # -wd: Disable following warnings
3051     # 144, 167, 556: -Wno-pointer-sign
3052     # 1292: attribute "foo" ignored
3053     # 10006: ignoring unknown option -fno-signed-zeros
3054     # 10148: ignoring unknown option -Wno-parentheses
3055     # 10156: ignoring option '-W'; no argument required
3056     check_cflags -wd144,167,556,1292,10006,10148,10156
3057     # 11030: Warning unknown option --as-needed
3058     # 10156: ignoring option '-export'; no argument required
3059     check_ldflags -wd10156,11030
3060     # Allow to compile with optimizations
3061     check_ldflags -march=$cpu
3062     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3063     enable ebp_available
3064     if enabled x86_32; then
3065         test ${icc_version%%.*} -ge 11 && \
3066             check_cflags -falign-stack=maintain-16-byte || \
3067             disable aligned_stack
3068     fi
3069 elif enabled ccc; then
3070     # disable some annoying warnings
3071     add_cflags -msg_disable cvtu32to64
3072     add_cflags -msg_disable embedcomment
3073     add_cflags -msg_disable needconstext
3074     add_cflags -msg_disable nomainieee
3075     add_cflags -msg_disable ptrmismatch1
3076     add_cflags -msg_disable unreachcode
3077 elif enabled gcc; then
3078     check_cflags -fno-tree-vectorize
3079     check_cflags -Werror=implicit-function-declaration
3080     check_cflags -Werror=missing-prototypes
3081 elif enabled llvm_gcc; then
3082     check_cflags -mllvm -stack-alignment=16
3083 elif enabled clang; then
3084     check_cflags -mllvm -stack-alignment=16
3085     check_cflags -Qunused-arguments
3086 elif enabled armcc; then
3087     # 2523: use of inline assembler is deprecated
3088     add_cflags -W${armcc_opt},--diag_suppress=2523
3089     add_cflags -W${armcc_opt},--diag_suppress=1207
3090     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3091     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3092     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3093     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3094 elif enabled tms470; then
3095     add_cflags -pds=824 -pds=837
3096 elif enabled pathscale; then
3097     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3098 fi
3099
3100 enabled_any $THREADS_LIST      && enable threads
3101
3102 check_deps $CONFIG_LIST       \
3103            $CONFIG_EXTRA      \
3104            $HAVE_LIST         \
3105            $DECODER_LIST      \
3106            $ENCODER_LIST      \
3107            $HWACCEL_LIST      \
3108            $PARSER_LIST       \
3109            $BSF_LIST          \
3110            $DEMUXER_LIST      \
3111            $MUXER_LIST        \
3112            $FILTER_LIST       \
3113            $INDEV_LIST        \
3114            $OUTDEV_LIST       \
3115            $PROTOCOL_LIST     \
3116            $ACODEC_TESTS      \
3117            $VCODEC_TESTS      \
3118            $LAVF_TESTS        \
3119            $LAVFI_TESTS       \
3120            $SEEK_TESTS        \
3121
3122 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3123
3124 ! enabled_any memalign posix_memalign malloc_aligned &&
3125     enabled_any $need_memalign && enable memalign_hack
3126
3127 echo "install prefix            $prefix"
3128 echo "source path               $source_path"
3129 echo "C compiler                $cc"
3130 echo "ARCH                      $arch ($cpu)"
3131 if test "$build_suffix" != ""; then
3132     echo "build suffix              $build_suffix"
3133 fi
3134 if test "$extra_version" != ""; then
3135     echo "version string suffix     $extra_version"
3136 fi
3137 echo "big-endian                ${bigendian-no}"
3138 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3139 if enabled x86; then
3140     echo "${yasmexe}                      ${yasm-no}"
3141     echo "MMX enabled               ${mmx-no}"
3142     echo "MMX2 enabled              ${mmx2-no}"
3143     echo "3DNow! enabled            ${amd3dnow-no}"
3144     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3145     echo "SSE enabled               ${sse-no}"
3146     echo "SSSE3 enabled             ${ssse3-no}"
3147     echo "AVX enabled               ${avx-no}"
3148     echo "CMOV enabled              ${cmov-no}"
3149     echo "CMOV is fast              ${fast_cmov-no}"
3150     echo "EBX available             ${ebx_available-no}"
3151     echo "EBP available             ${ebp_available-no}"
3152 fi
3153 if enabled arm; then
3154     echo "ARMv5TE enabled           ${armv5te-no}"
3155     echo "ARMv6 enabled             ${armv6-no}"
3156     echo "ARMv6T2 enabled           ${armv6t2-no}"
3157     echo "ARM VFP enabled           ${armvfp-no}"
3158     echo "IWMMXT enabled            ${iwmmxt-no}"
3159     echo "NEON enabled              ${neon-no}"
3160 fi
3161 if enabled mips; then
3162     echo "MMI enabled               ${mmi-no}"
3163 fi
3164 if enabled ppc; then
3165     echo "AltiVec enabled           ${altivec-no}"
3166     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3167     echo "dcbzl available           ${dcbzl-no}"
3168 fi
3169 if enabled sparc; then
3170     echo "VIS enabled               ${vis-no}"
3171 fi
3172 echo "debug symbols             ${debug-no}"
3173 echo "optimize for size         ${small-no}"
3174 echo "optimizations             ${optimizations-no}"
3175 echo "static                    ${static-no}"
3176 echo "shared                    ${shared-no}"
3177 echo "postprocessing support    ${postproc-no}"
3178 echo "new filter support        ${avfilter-no}"
3179 echo "network support           ${network-no}"
3180 echo "threading support         ${thread_type-no}"
3181 echo "SDL support               ${sdl-no}"
3182 echo "Sun medialib support      ${mlib-no}"
3183 echo "libdxva2 enabled          ${dxva2-no}"
3184 echo "libva enabled             ${vaapi-no}"
3185 echo "libvdpau enabled          ${vdpau-no}"
3186 echo "AVISynth enabled          ${avisynth-no}"
3187 echo "frei0r enabled            ${frei0r-no}"
3188 echo "gnutls enabled            ${gnutls-no}"
3189 echo "libcdio support           ${libcdio-no}"
3190 echo "libdc1394 support         ${libdc1394-no}"
3191 echo "libdirac enabled          ${libdirac-no}"
3192 echo "libfaac enabled           ${libfaac-no}"
3193 echo "libgsm enabled            ${libgsm-no}"
3194 echo "libmp3lame enabled        ${libmp3lame-no}"
3195 echo "libnut enabled            ${libnut-no}"
3196 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3197 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3198 echo "libopencv support         ${libopencv-no}"
3199 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3200 echo "libpulse enabled          ${libpulse-no}"
3201 echo "librtmp enabled           ${librtmp-no}"
3202 echo "libschroedinger enabled   ${libschroedinger-no}"
3203 echo "libspeex enabled          ${libspeex-no}"
3204 echo "libtheora enabled         ${libtheora-no}"
3205 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3206 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3207 echo "libvorbis enabled         ${libvorbis-no}"
3208 echo "libvpx enabled            ${libvpx-no}"
3209 echo "libx264 enabled           ${libx264-no}"
3210 echo "libxavs enabled           ${libxavs-no}"
3211 echo "libxvid enabled           ${libxvid-no}"
3212 echo "openssl enabled           ${openssl-no}"
3213 echo "zlib enabled              ${zlib-no}"
3214 echo "bzlib enabled             ${bzlib-no}"
3215 echo
3216
3217 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3218     echo "Enabled ${type}s:"
3219     eval list=\$$(toupper $type)_LIST
3220     print_enabled '_*' $list | sort | pr -r -3 -t
3221     echo
3222 done
3223
3224 license="LGPL version 2.1 or later"
3225 if enabled nonfree; then
3226     license="nonfree and unredistributable"
3227 elif enabled gplv3; then
3228     license="GPL version 3 or later"
3229 elif enabled lgplv3; then
3230     license="LGPL version 3 or later"
3231 elif enabled gpl; then
3232     license="GPL version 2 or later"
3233 fi
3234
3235 echo "License: $license"
3236
3237 echo "Creating config.mak and config.h..."
3238
3239 test -e Makefile || $ln_s "$source_path/Makefile" .
3240
3241 config_files="$TMPH config.mak"
3242
3243 cat > config.mak <<EOF
3244 # Automatically generated by configure - do not modify!
3245 LIBAV_CONFIGURATION=$LIBAV_CONFIGURATION
3246 prefix=$prefix
3247 LIBDIR=\$(DESTDIR)$libdir
3248 SHLIBDIR=\$(DESTDIR)$shlibdir
3249 INCDIR=\$(DESTDIR)$incdir
3250 BINDIR=\$(DESTDIR)$bindir
3251 DATADIR=\$(DESTDIR)$datadir
3252 MANDIR=\$(DESTDIR)$mandir
3253 SRC_PATH=$source_path
3254 CC_IDENT=$cc_ident
3255 ARCH=$arch
3256 CC=$cc
3257 AS=$as
3258 LD=$ld
3259 DEPCC=$dep_cc
3260 YASM=$yasmexe
3261 YASMDEP=$yasmexe
3262 AR=$ar
3263 RANLIB=$ranlib
3264 LN_S=$ln_s
3265 CPPFLAGS=$CPPFLAGS
3266 CFLAGS=$CFLAGS
3267 ASFLAGS=$ASFLAGS
3268 AS_O=$CC_O
3269 CC_O=$CC_O
3270 DLLTOOL=$dlltool
3271 LDFLAGS=$LDFLAGS
3272 AVSERVERLDFLAGS=$AVSERVERLDFLAGS
3273 SHFLAGS=$SHFLAGS
3274 YASMFLAGS=$YASMFLAGS
3275 BUILDSUF=$build_suffix
3276 FULLNAME=$FULLNAME
3277 LIBPREF=$LIBPREF
3278 LIBSUF=$LIBSUF
3279 LIBNAME=$LIBNAME
3280 SLIBPREF=$SLIBPREF
3281 SLIBSUF=$SLIBSUF
3282 EXESUF=$EXESUF
3283 EXTRA_VERSION=$extra_version
3284 DEPFLAGS=$DEPFLAGS
3285 CCDEP=$CCDEP
3286 ASDEP=$ASDEP
3287 CC_DEPFLAGS=$CC_DEPFLAGS
3288 AS_DEPFLAGS=$AS_DEPFLAGS
3289 HOSTCC=$host_cc
3290 HOSTCFLAGS=$host_cflags
3291 HOSTEXESUF=$HOSTEXESUF
3292 HOSTLDFLAGS=$host_ldflags
3293 HOSTLIBS=$host_libs
3294 TARGET_EXEC=$target_exec
3295 TARGET_PATH=$target_path
3296 SDL_LIBS=$sdl_libs
3297 SDL_CFLAGS=$sdl_cflags
3298 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3299 EXTRALIBS=$extralibs
3300 INSTALL=install
3301 LIBTARGET=${LIBTARGET}
3302 SLIBNAME=${SLIBNAME}
3303 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3304 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3305 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3306 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3307 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3308 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3309 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3310 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3311 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3312 EOF
3313
3314 get_version(){
3315     name=$1
3316     file=$source_path/$2
3317     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3318     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3319     lcname=$(tolower $name)
3320     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3321     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3322 }
3323
3324 get_version LIBSWSCALE  libswscale/swscale.h
3325 get_version LIBPOSTPROC libpostproc/postprocess.h
3326 get_version LIBAVCODEC  libavcodec/version.h
3327 get_version LIBAVDEVICE libavdevice/avdevice.h
3328 get_version LIBAVFORMAT libavformat/version.h
3329 get_version LIBAVUTIL   libavutil/avutil.h
3330 get_version LIBAVFILTER libavfilter/avfilter.h
3331
3332 cat > $TMPH <<EOF
3333 /* Automatically generated by configure - do not modify! */
3334 #ifndef LIBAV_CONFIG_H
3335 #define LIBAV_CONFIG_H
3336 #define LIBAV_CONFIGURATION "$(c_escape $LIBAV_CONFIGURATION)"
3337 #define LIBAV_LICENSE "$(c_escape $license)"
3338 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3339 #define CC_TYPE "$cc_type"
3340 #define CC_VERSION $cc_version
3341 #define restrict $_restrict
3342 #define EXTERN_PREFIX "${extern_prefix}"
3343 #define EXTERN_ASM ${extern_prefix}
3344 #define SLIBSUF "$SLIBSUF"
3345 EOF
3346
3347 test -n "$malloc_prefix" &&
3348     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3349
3350 if enabled small || disabled optimizations; then
3351     echo "#undef  av_always_inline"  >> $TMPH
3352     if enabled small; then
3353         echo "#define av_always_inline inline"  >> $TMPH
3354     else
3355         echo "#define av_always_inline av_unused"  >> $TMPH
3356     fi
3357 fi
3358
3359 if enabled yasm; then
3360     append config_files $TMPASM
3361     printf '' >$TMPASM
3362 fi
3363
3364 print_config ARCH_   "$config_files" $ARCH_LIST
3365 print_config HAVE_   "$config_files" $HAVE_LIST
3366 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3367                                      $CONFIG_EXTRA      \
3368                                      $DECODER_LIST      \
3369                                      $ENCODER_LIST      \
3370                                      $HWACCEL_LIST      \
3371                                      $PARSER_LIST       \
3372                                      $BSF_LIST          \
3373                                      $DEMUXER_LIST      \
3374                                      $MUXER_LIST        \
3375                                      $FILTER_LIST       \
3376                                      $PROTOCOL_LIST     \
3377                                      $INDEV_LIST        \
3378                                      $OUTDEV_LIST       \
3379
3380 cat >>config.mak <<EOF
3381 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3382 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3383 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3384 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3385 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3386 EOF
3387
3388 echo "#endif /* LIBAV_CONFIG_H */" >> $TMPH
3389
3390 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3391 cp_if_changed $TMPH config.h
3392 touch .config
3393
3394 enabled yasm && cp_if_changed $TMPASM config.asm
3395
3396 cat > $TMPH <<EOF
3397 /* Generated by ffconf */
3398 #ifndef AVUTIL_AVCONFIG_H
3399 #define AVUTIL_AVCONFIG_H
3400 EOF
3401
3402 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3403
3404 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3405
3406 cp_if_changed $TMPH libavutil/avconfig.h
3407
3408 test -n "$WARNINGS" && printf "\n$WARNINGS"
3409
3410 # build pkg-config files
3411
3412 pkgconfig_generate(){
3413 name=$1
3414 shortname=${name#lib}${build_suffix}
3415 comment=$2
3416 version=$3
3417 libs=$4
3418 requires=$5
3419 enabled ${name#lib} || return 0
3420 mkdir -p $name
3421 cat <<EOF > $name/$name.pc
3422 prefix=$prefix
3423 exec_prefix=\${prefix}
3424 libdir=$libdir
3425 includedir=$incdir
3426
3427 Name: $name
3428 Description: $comment
3429 Version: $version
3430 Requires: $(enabled shared || echo $requires)
3431 Requires.private: $(enabled shared && echo $requires)
3432 Conflicts:
3433 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3434 Libs.private: $(enabled shared && echo $libs)
3435 Cflags: -I\${includedir}
3436 EOF
3437 cat <<EOF > $name/$name-uninstalled.pc
3438 prefix=
3439 exec_prefix=
3440 libdir=\${pcfiledir}
3441 includedir=${source_path}
3442
3443 Name: $name
3444 Description: $comment
3445 Version: $version
3446 Requires: $requires
3447 Conflicts:
3448 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3449 Cflags: -I\${includedir}
3450 EOF
3451 }
3452
3453 pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3454 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3455 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3456 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3457 pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3458 pkgconfig_generate libpostproc "Libav postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3459 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"