Added support for J2K encoding with libopenjpeg
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18     echo "Trying shell $1"
19     type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30     echo "Broken shell detected.  Trying alternatives."
31     export FF_CONF_EXEC
32     if test "0$FF_CONF_EXEC" -lt 1; then
33         FF_CONF_EXEC=1
34         try_exec bash "$0" "$@"
35     fi
36     if test "0$FF_CONF_EXEC" -lt 2; then
37         FF_CONF_EXEC=2
38         try_exec ksh "$0" "$@"
39     fi
40     if test "0$FF_CONF_EXEC" -lt 3; then
41         FF_CONF_EXEC=3
42         try_exec /usr/xpg4/bin/sh "$0" "$@"
43     fi
44     echo "No compatible shell script interpreter found."
45     echo "This configure script requires a POSIX-compatible shell"
46     echo "such as bash or ksh."
47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48     echo "Instead, install a working POSIX-compatible shell."
49     echo "Disabling this configure test will create a broken FFmpeg."
50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51         echo "This bash version ($BASH_VERSION) is broken on your platform."
52         echo "Upgrade to a later version if available."
53     fi
54     exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63   --help                   print this message
64   --logfile=FILE           log tests and output to FILE [config.log]
65   --disable-logging        do not log configure debug information
66   --prefix=PREFIX          install in PREFIX [$prefix]
67   --bindir=DIR             install binaries in DIR [PREFIX/bin]
68   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
69   --libdir=DIR             install libs in DIR [PREFIX/lib]
70   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
71   --incdir=DIR             install includes in DIR [PREFIX/include]
72   --mandir=DIR             install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75   --disable-static         do not build static libraries [no]
76   --enable-shared          build shared libraries [no]
77   --enable-gpl             allow use of GPL code, the resulting libs
78                            and binaries will be under GPL [no]
79   --enable-version3        upgrade (L)GPL to version 3 [no]
80   --enable-nonfree         allow use of nonfree code, the resulting libs
81                            and binaries will be unredistributable [no]
82   --disable-doc            do not build documentation
83   --disable-ffmpeg         disable ffmpeg build
84   --disable-avconv         disable avconv build
85   --disable-ffplay         disable ffplay build
86   --disable-ffprobe        disable ffprobe build
87   --disable-ffserver       disable ffserver build
88   --disable-avdevice       disable libavdevice build
89   --disable-avcodec        disable libavcodec build
90   --disable-avformat       disable libavformat build
91   --disable-swresample     disable libswresample build
92   --disable-swscale        disable libswscale build
93   --disable-postproc       disable libpostproc build
94   --disable-avfilter       disable video filter support [no]
95   --disable-pthreads       disable pthreads [auto]
96   --disable-w32threads     disable Win32 threads [auto]
97   --disable-os2threads     disable OS/2 threads [auto]
98   --enable-x11grab         enable X11 grabbing [no]
99   --disable-network        disable network support [no]
100   --enable-gray            enable full grayscale support (slower color)
101   --disable-swscale-alpha  disable alpha channel support in swscale
102   --disable-fastdiv        disable table-based division
103   --enable-small           optimize for size instead of speed
104   --disable-aandct         disable AAN DCT code
105   --disable-dct            disable DCT code
106   --disable-fft            disable FFT code
107   --disable-golomb         disable Golomb code
108   --disable-huffman        disable Huffman code
109   --disable-lpc            disable LPC code
110   --disable-mdct           disable MDCT code
111   --disable-rdft           disable RDFT code
112   --enable-vaapi           enable VAAPI code [autodetect]
113   --enable-vda             enable VDA code [autodetect]
114   --enable-vdpau           enable VDPAU code [autodetect]
115   --disable-dxva2          disable DXVA2 code
116   --disable-vda            disable VDA code
117   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
118   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
119   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
120   --disable-everything     disable all components listed below
121   --disable-encoder=NAME   disable encoder NAME
122   --enable-encoder=NAME    enable encoder NAME
123   --disable-encoders       disable all encoders
124   --disable-decoder=NAME   disable decoder NAME
125   --enable-decoder=NAME    enable decoder NAME
126   --disable-decoders       disable all decoders
127   --disable-hwaccel=NAME   disable hwaccel NAME
128   --enable-hwaccel=NAME    enable hwaccel NAME
129   --disable-hwaccels       disable all hwaccels
130   --disable-muxer=NAME     disable muxer NAME
131   --enable-muxer=NAME      enable muxer NAME
132   --disable-muxers         disable all muxers
133   --disable-demuxer=NAME   disable demuxer NAME
134   --enable-demuxer=NAME    enable demuxer NAME
135   --disable-demuxers       disable all demuxers
136   --enable-parser=NAME     enable parser NAME
137   --disable-parser=NAME    disable parser NAME
138   --disable-parsers        disable all parsers
139   --enable-bsf=NAME        enable bitstream filter NAME
140   --disable-bsf=NAME       disable bitstream filter NAME
141   --disable-bsfs           disable all bitstream filters
142   --enable-protocol=NAME   enable protocol NAME
143   --disable-protocol=NAME  disable protocol NAME
144   --disable-protocols      disable all protocols
145   --disable-indev=NAME     disable input device NAME
146   --disable-outdev=NAME    disable output device NAME
147   --disable-indevs         disable input devices
148   --disable-outdevs        disable output devices
149   --disable-devices        disable all devices
150   --enable-filter=NAME     enable filter NAME
151   --disable-filter=NAME    disable filter NAME
152   --disable-filters        disable all filters
153   --list-decoders          show all available decoders
154   --list-encoders          show all available encoders
155   --list-hwaccels          show all available hardware accelerators
156   --list-muxers            show all available muxers
157   --list-demuxers          show all available demuxers
158   --list-parsers           show all available parsers
159   --list-protocols         show all available protocols
160   --list-bsfs              show all available bitstream filters
161   --list-indevs            show all available input devices
162   --list-outdevs           show all available output devices
163   --list-filters           show all available filters
164
165 External library support:
166   --enable-avisynth        enable reading of AVISynth script files [no]
167   --enable-bzlib           enable bzlib [autodetect]
168   --enable-libcelt         enable CELT decoding via libcelt [no]
169   --enable-frei0r          enable frei0r video filtering
170   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
171   --enable-gnutls          enable gnutls [no]
172   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
173   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
174   --enable-libopencv       enable video filtering via libopencv [no]
175   --enable-libcdio         enable audio CD grabbing with libcdio
176   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
177                            and libraw1394 [no]
178   --enable-libdirac        enable Dirac support via libdirac [no]
179   --enable-libfaac         enable FAAC support via libfaac [no]
180   --enable-libfreetype     enable libfreetype [no]
181   --enable-libgsm          enable GSM support via libgsm [no]
182   --enable-libmodplug      enable ModPlug via libmodplug [no]
183   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
184   --enable-libnut          enable NUT (de)muxing via libnut,
185                            native (de)muxer exists [no]
186   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
187   --enable-librtmp         enable RTMP[E] support via librtmp [no]
188   --enable-libschroedinger enable Dirac support via libschroedinger [no]
189   --enable-libspeex        enable Speex support via libspeex [no]
190   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
191   --enable-libtheora       enable Theora encoding via libtheora [no]
192   --enable-libutvideo      enable Ut Video decoding via libutvideo [no]
193   --enable-libv4l2         enable libv4l2/v4l-utils [no]
194   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
195   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
196   --enable-libvorbis       enable Vorbis encoding via libvorbis,
197                            native implementation exists [no]
198   --enable-libvpx          enable VP8 support via libvpx [no]
199   --enable-libx264         enable H.264 encoding via x264 [no]
200   --enable-libxavs         enable AVS encoding via xavs [no]
201   --enable-libxvid         enable Xvid encoding via xvidcore,
202                            native MPEG-4/Xvid encoder exists [no]
203   --enable-openal          enable OpenAL 1.1 capture support [no]
204   --enable-mlib            enable Sun medialib [no]
205   --enable-openssl         enable openssl [no]
206   --enable-zlib            enable zlib [autodetect]
207
208 Advanced options (experts only):
209   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
210   --enable-cross-compile   assume a cross-compiler is used
211   --sysroot=PATH           root of cross-build tree
212   --sysinclude=PATH        location of cross-build system headers
213   --target-os=OS           compiler targets OS [$target_os]
214   --target-exec=CMD        command to run executables on target
215   --target-path=DIR        path to view of build directory on target
216   --nm=NM                  use nm tool
217   --ar=AR                  use archive tool AR [$ar_default]
218   --as=AS                  use assembler AS [$as_default]
219   --cc=CC                  use C compiler CC [$cc_default]
220   --cxx=CXX                use C compiler CXX [$cxx_default]
221   --ld=LD                  use linker LD
222   --host-cc=HOSTCC         use host C compiler HOSTCC
223   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
224   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
225   --host-libs=HLIBS        use libs HLIBS when linking for host
226   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
227   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
228   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
229   --extra-libs=ELIBS       add ELIBS [$ELIBS]
230   --extra-version=STRING   version string suffix []
231   --build-suffix=SUFFIX    library name suffix []
232   --progs-suffix=SUFFIX    program name suffix []
233   --arch=ARCH              select architecture [$arch]
234   --cpu=CPU                select the minimum required CPU (affects
235                            instruction selection, may crash on older CPUs)
236   --disable-asm            disable all assembler optimizations
237   --disable-altivec        disable AltiVec optimizations
238   --disable-amd3dnow       disable 3DNow! optimizations
239   --disable-amd3dnowext    disable 3DNow! extended optimizations
240   --disable-mmx            disable MMX optimizations
241   --disable-mmx2           disable MMX2 optimizations
242   --disable-sse            disable SSE optimizations
243   --disable-ssse3          disable SSSE3 optimizations
244   --disable-avx            disable AVX optimizations
245   --disable-armv5te        disable armv5te optimizations
246   --disable-armv6          disable armv6 optimizations
247   --disable-armv6t2        disable armv6t2 optimizations
248   --disable-armvfp         disable ARM VFP optimizations
249   --disable-iwmmxt         disable iwmmxt optimizations
250   --disable-mmi            disable MMI optimizations
251   --disable-neon           disable neon optimizations
252   --disable-vis            disable VIS optimizations
253   --disable-yasm           disable use of yasm assembler
254   --enable-pic             build position-independent code
255   --malloc-prefix=PFX      prefix malloc and related names with PFX
256   --enable-sram            allow use of on-chip SRAM
257   --disable-symver         disable symbol versioning
258   --optflags               override optimization-related compiler flags
259
260 Developer options (useful when working on FFmpeg itself):
261   --disable-debug          disable debugging symbols
262   --enable-debug=LEVEL     set the debug level [$debuglevel]
263   --disable-optimizations  disable compiler optimizations
264   --enable-extra-warnings  enable more compiler warnings
265   --disable-stripping      disable stripping of executables and shared libraries
266   --samples=PATH           location of test samples for FATE, if not set use
267                            \$FATE_SAMPLES at make invocation time.
268
269 NOTE: Object files are built at the place where configure is launched.
270 EOF
271   exit 0
272 }
273
274 quotes='""'
275
276 log(){
277     echo "$@" >> $logfile
278 }
279
280 log_file(){
281     log BEGIN $1
282     pr -n -t $1 >> $logfile
283     log END $1
284 }
285
286 echolog(){
287     log "$@"
288     echo "$@"
289 }
290
291 warn(){
292     log "WARNING: $*"
293     WARNINGS="${WARNINGS}WARNING: $*\n"
294 }
295
296 die(){
297     echolog "$@"
298     cat <<EOF
299
300 If you think configure made a mistake, make sure you are using the latest
301 version from Git.  If the latest version fails, report the problem to the
302 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
303 EOF
304     if disabled logging; then
305         cat <<EOF
306 Rerun configure with logging enabled (do not use --disable-logging), and
307 include the log this produces with your report.
308 EOF
309     else
310 cat <<EOF
311 Include the log file "$logfile" produced by configure as this will help
312 solving the problem.
313 EOF
314     fi
315     exit 1
316 }
317
318 # Avoid locale weirdness, besides we really just want to translate ASCII.
319 toupper(){
320     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
321 }
322
323 tolower(){
324     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
325 }
326
327 c_escape(){
328     echo "$*" | sed 's/["\\]/\\\0/g'
329 }
330
331 sh_quote(){
332     v=$(echo "$1" | sed "s/'/'\\\\''/g")
333     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
334     echo "$v"
335 }
336
337 cleanws(){
338     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
339 }
340
341 filter(){
342     pat=$1
343     shift
344     for v; do
345         eval "case $v in $pat) echo $v ;; esac"
346     done
347 }
348
349 filter_out(){
350     pat=$1
351     shift
352     for v; do
353         eval "case $v in $pat) ;; *) echo $v ;; esac"
354     done
355 }
356
357 map(){
358     m=$1
359     shift
360     for v; do eval $m; done
361 }
362
363 set_all(){
364     value=$1
365     shift
366     for var in $*; do
367         eval $var=$value
368     done
369 }
370
371 set_weak(){
372     value=$1
373     shift
374     for var; do
375         eval : \${$var:=$value}
376     done
377 }
378
379 set_safe(){
380     var=$1
381     shift
382     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
383 }
384
385 get_safe(){
386     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
387 }
388
389 pushvar(){
390     for var in $*; do
391         eval level=\${${var}_level:=0}
392         eval ${var}_${level}="\$$var"
393         eval ${var}_level=$(($level+1))
394     done
395 }
396
397 popvar(){
398     for var in $*; do
399         eval level=\${${var}_level:-0}
400         test $level = 0 && continue
401         eval level=$(($level-1))
402         eval $var="\${${var}_${level}}"
403         eval ${var}_level=$level
404         eval unset ${var}_${level}
405     done
406 }
407
408 enable(){
409     set_all yes $*
410 }
411
412 disable(){
413     set_all no $*
414 }
415
416 enable_weak(){
417     set_weak yes $*
418 }
419
420 disable_weak(){
421     set_weak no $*
422 }
423
424 enable_safe(){
425     for var; do
426         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
427     done
428 }
429
430 disable_safe(){
431     for var; do
432         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
433     done
434 }
435
436 do_enable_deep(){
437     for var; do
438         enabled $var && continue
439         eval sel="\$${var}_select"
440         eval sgs="\$${var}_suggest"
441         pushvar var sgs
442         enable_deep $sel
443         popvar sgs
444         enable_deep_weak $sgs
445         popvar var
446     done
447 }
448
449 enable_deep(){
450     do_enable_deep $*
451     enable $*
452 }
453
454 enable_deep_weak(){
455     do_enable_deep $*
456     enable_weak $*
457 }
458
459 enabled(){
460     test "${1#!}" = "$1" && op== || op=!=
461     eval test "x\$${1#!}" $op "xyes"
462 }
463
464 disabled(){
465     test "${1#!}" = "$1" && op== || op=!=
466     eval test "x\$${1#!}" $op "xno"
467 }
468
469 enabled_all(){
470     for opt; do
471         enabled $opt || return 1
472     done
473 }
474
475 disabled_all(){
476     for opt; do
477         disabled $opt || return 1
478     done
479 }
480
481 enabled_any(){
482     for opt; do
483         enabled $opt && return 0
484     done
485 }
486
487 disabled_any(){
488     for opt; do
489         disabled $opt && return 0
490     done
491     return 1
492 }
493
494 set_default(){
495     for opt; do
496         eval : \${$opt:=\$${opt}_default}
497     done
498 }
499
500 is_in(){
501     value=$1
502     shift
503     for var in $*; do
504         [ $var = $value ] && return 0
505     done
506     return 1
507 }
508
509 check_deps(){
510     for cfg; do
511         cfg="${cfg#!}"
512         enabled ${cfg}_checking && die "Circular dependency for $cfg."
513         disabled ${cfg}_checking && continue
514         enable ${cfg}_checking
515
516         eval dep_all="\$${cfg}_deps"
517         eval dep_any="\$${cfg}_deps_any"
518         eval dep_sel="\$${cfg}_select"
519         eval dep_sgs="\$${cfg}_suggest"
520         eval dep_ifa="\$${cfg}_if"
521         eval dep_ifn="\$${cfg}_if_any"
522
523         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
524         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
525         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
526
527         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
528         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
529         enabled_all  $dep_all || disable $cfg
530         enabled_any  $dep_any || disable $cfg
531         disabled_any $dep_sel && disable $cfg
532
533         if enabled $cfg; then
534             eval dep_extralibs="\$${cfg}_extralibs"
535             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
536             enable_deep $dep_sel
537             enable_deep_weak $dep_sgs
538         fi
539
540         disable ${cfg}_checking
541     done
542 }
543
544 print_config_h(){
545     enabled $1 && v=1 || v=0
546     echo "#define $2 $v"
547 }
548
549 print_config_mak(){
550     enabled $1 && v= || v=!
551     echo "$v$2=yes"
552 }
553
554 print_config_asm(){
555     enabled $1 && echo "%define $2"
556 }
557
558 print_config(){
559     pfx=$1
560     files=$2
561     shift 2
562     for cfg; do
563         ucname="$(toupper $cfg)"
564         for f in $files; do
565             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
566         done
567     done
568 }
569
570 print_enabled(){
571     test "$1" = -n && end=" " && shift || end="\n"
572     suf=$1
573     shift
574     for v; do
575         enabled $v && printf "%s$end" ${v%$suf};
576     done
577 }
578
579 append(){
580     var=$1
581     shift
582     eval "$var=\"\$$var $*\""
583 }
584
585 prepend(){
586     var=$1
587     shift
588     eval "$var=\"$* \$$var\""
589 }
590
591 add_cppflags(){
592     append CPPFLAGS $($filter_cppflags "$@")
593 }
594
595 add_cflags(){
596     append CFLAGS $($filter_cflags "$@")
597 }
598
599 add_cxxflags(){
600     append CXXFLAGS $($filter_cflags "$@")
601 }
602
603 add_asflags(){
604     append ASFLAGS $($filter_asflags "$@")
605 }
606
607 add_ldflags(){
608     append LDFLAGS "$@"
609 }
610
611 add_extralibs(){
612     prepend extralibs "$@"
613 }
614
615 check_cmd(){
616     log "$@"
617     "$@" >> $logfile 2>&1
618 }
619
620 check_cc(){
621     log check_cc "$@"
622     cat > $TMPC
623     log_file $TMPC
624     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
625 }
626
627 check_cxx(){
628     log check_cxx "$@"
629     cat > $TMPCPP
630     log_file $TMPCPP
631     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
632 }
633
634 check_cpp(){
635     log check_cpp "$@"
636     cat > $TMPC
637     log_file $TMPC
638     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
639 }
640
641 check_as(){
642     log check_as "$@"
643     cat > $TMPC
644     log_file $TMPC
645     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
646 }
647
648 check_asm(){
649     log check_asm "$@"
650     name="$1"
651     code="$2"
652     shift 2
653     disable $name
654     check_as "$@" <<EOF && enable $name
655 void foo(void){ __asm__ volatile($code); }
656 EOF
657 }
658
659 check_yasm(){
660     log check_yasm "$@"
661     echo "$1" > $TMPS
662     log_file $TMPS
663     shift 1
664     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
665 }
666
667 check_ld(){
668     log check_ld "$@"
669     type=$1
670     shift 1
671     flags=''
672     libs=''
673     for f; do
674         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
675     done
676     check_$type $($filter_cflags $flags) || return
677     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
678 }
679
680 check_cppflags(){
681     log check_cppflags "$@"
682     set -- $($filter_cppflags "$@")
683     check_cc "$@" <<EOF && append CPPFLAGS "$@"
684 int x;
685 EOF
686 }
687
688 check_cflags(){
689     log check_cflags "$@"
690     set -- $($filter_cflags "$@")
691     check_cc "$@" <<EOF && append CFLAGS "$@"
692 int x;
693 EOF
694 }
695
696 check_cxxflags(){
697     log check_cxxflags "$@"
698     set -- $($filter_cflags "$@")
699     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
700 int x;
701 EOF
702 }
703
704 test_ldflags(){
705     log test_ldflags "$@"
706     check_ld "cc" "$@" <<EOF
707 int main(void){ return 0; }
708 EOF
709 }
710
711 check_ldflags(){
712     log check_ldflags "$@"
713     test_ldflags "$@" && add_ldflags "$@"
714 }
715
716 check_header(){
717     log check_header "$@"
718     header=$1
719     shift
720     disable_safe $header
721     check_cpp "$@" <<EOF && enable_safe $header
722 #include <$header>
723 int x;
724 EOF
725 }
726
727 check_func(){
728     log check_func "$@"
729     func=$1
730     shift
731     disable $func
732     check_ld "cc" "$@" <<EOF && enable $func
733 extern int $func();
734 int main(void){ $func(); }
735 EOF
736 }
737
738 check_mathfunc(){
739     log check_mathfunc "$@"
740     func=$1
741     shift
742     disable $func
743     check_ld "cc" "$@" <<EOF && enable $func
744 #include <math.h>
745 float foo(float f) { return $func(f); }
746 int main(void){ return (int) foo; }
747 EOF
748 }
749
750 check_func_headers(){
751     log check_func_headers "$@"
752     headers=$1
753     funcs=$2
754     shift 2
755     {
756         for hdr in $headers; do
757             echo "#include <$hdr>"
758         done
759         for func in $funcs; do
760             echo "long check_$func(void) { return (long) $func; }"
761         done
762         echo "int main(void) { return 0; }"
763     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
764 }
765
766 check_class_headers_cpp(){
767     log check_class_headers_cpp "$@"
768     headers=$1
769     classes=$2
770     shift 2
771     {
772         for hdr in $headers; do
773             echo "#include <$hdr>"
774         done
775         echo "int main(void) { "
776         i=1
777         for class in $classes; do
778             echo "$class obj$i;"
779             i=$(expr $i + 1)
780         done
781         echo "return 0; }"
782     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
783 }
784
785 check_cpp_condition(){
786     log check_cpp_condition "$@"
787     header=$1
788     condition=$2
789     shift 2
790     check_cpp $($filter_cppflags "$@") <<EOF
791 #include <$header>
792 #if !($condition)
793 #error "unsatisfied condition: $condition"
794 #endif
795 EOF
796 }
797
798 check_lib(){
799     log check_lib "$@"
800     header="$1"
801     func="$2"
802     shift 2
803     check_header $header && check_func $func "$@" && add_extralibs "$@"
804 }
805
806 check_lib2(){
807     log check_lib2 "$@"
808     headers="$1"
809     funcs="$2"
810     shift 2
811     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
812 }
813
814 check_lib_cpp(){
815     log check_lib_cpp "$@"
816     headers="$1"
817     classes="$2"
818     shift 2
819     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
820 }
821
822 check_pkg_config(){
823     log check_pkg_config "$@"
824     pkg="$1"
825     headers="$2"
826     funcs="$3"
827     shift 3
828     $pkg_config --exists $pkg 2>/dev/null || return
829     pkg_cflags=$($pkg_config --cflags $pkg)
830     pkg_libs=$($pkg_config --libs $pkg)
831     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
832         set_safe ${pkg}_cflags $pkg_cflags   &&
833         set_safe ${pkg}_libs   $pkg_libs
834 }
835
836 check_exec(){
837     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
838 }
839
840 check_exec_crash(){
841     code=$(cat)
842
843     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
844     # are safe but may not be available everywhere.  Thus we use
845     # raise(SIGTERM) instead.  The check is run in a subshell so we
846     # can redirect the "Terminated" message from the shell.  SIGBUS
847     # is not defined by standard C so it is used conditionally.
848
849     (check_exec "$@") >> $logfile 2>&1 <<EOF
850 #include <signal.h>
851 static void sighandler(int sig){
852     raise(SIGTERM);
853 }
854 int func(void){
855     $code
856 }
857 int main(void){
858     signal(SIGILL, sighandler);
859     signal(SIGFPE, sighandler);
860     signal(SIGSEGV, sighandler);
861 #ifdef SIGBUS
862     signal(SIGBUS, sighandler);
863 #endif
864     return func();
865 }
866 EOF
867 }
868
869 check_type(){
870     log check_type "$@"
871     headers=$1
872     type=$2
873     shift 2
874     disable_safe "$type"
875     incs=""
876     for hdr in $headers; do
877         incs="$incs
878 #include <$hdr>"
879     done
880     check_cc "$@" <<EOF && enable_safe "$type"
881 $incs
882 $type v;
883 EOF
884 }
885
886 check_struct(){
887     log check_type "$@"
888     headers=$1
889     struct=$2
890     member=$3
891     shift 3
892     disable_safe "${struct}_${member}"
893     incs=""
894     for hdr in $headers; do
895         incs="$incs
896 #include <$hdr>"
897     done
898     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
899 $incs
900 const void *p = &(($struct *)0)->$member;
901 EOF
902 }
903
904 require(){
905     name="$1"
906     header="$2"
907     func="$3"
908     shift 3
909     check_lib $header $func "$@" || die "ERROR: $name not found"
910 }
911
912 require2(){
913     name="$1"
914     headers="$2"
915     func="$3"
916     shift 3
917     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
918 }
919
920 require_cpp(){
921     name="$1"
922     headers="$2"
923     classes="$3"
924     shift 3
925     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
926 }
927
928 require_pkg_config(){
929     pkg="$1"
930     check_pkg_config "$@" || die "ERROR: $pkg not found"
931     add_cflags    $(get_safe ${pkg}_cflags)
932     add_extralibs $(get_safe ${pkg}_libs)
933 }
934
935 check_host_cc(){
936     log check_host_cc "$@"
937     cat > $TMPC
938     log_file $TMPC
939     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
940 }
941
942 check_host_cflags(){
943     log check_host_cflags "$@"
944     check_host_cc "$@" <<EOF && append host_cflags "$@"
945 int x;
946 EOF
947 }
948
949 apply(){
950     file=$1
951     shift
952     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
953 }
954
955 cp_if_changed(){
956     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
957     mkdir -p "$(dirname $2)"
958     cp -f "$1" "$2"
959 }
960
961 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
962 # system-dependent things.
963
964 COMPONENT_LIST="
965     bsfs
966     decoders
967     demuxers
968     encoders
969     filters
970     hwaccels
971     indevs
972     muxers
973     outdevs
974     parsers
975     protocols
976 "
977
978 CONFIG_LIST="
979     $COMPONENT_LIST
980     aandct
981     ac3dsp
982     avcodec
983     avdevice
984     avfilter
985     avformat
986     avisynth
987     bzlib
988     crystalhd
989     dct
990     doc
991     dwt
992     dxva2
993     fastdiv
994     ffmpeg
995     avconv
996     ffplay
997     ffprobe
998     ffserver
999     fft
1000     frei0r
1001     gnutls
1002     golomb
1003     gpl
1004     gray
1005     h264dsp
1006     h264pred
1007     hardcoded_tables
1008     huffman
1009     libaacplus
1010     libcdio
1011     libcelt
1012     libdc1394
1013     libdirac
1014     libfaac
1015     libfreetype
1016     libgsm
1017     libmodplug
1018     libmp3lame
1019     libnut
1020     libopencore_amrnb
1021     libopencore_amrwb
1022     libopencv
1023     libopenjpeg
1024     libpulse
1025     librtmp
1026     libschroedinger
1027     libspeex
1028     libstagefright_h264
1029     libtheora
1030     libutvideo
1031     libv4l2
1032     libvo_aacenc
1033     libvo_amrwbenc
1034     libvorbis
1035     libvpx
1036     libx264
1037     libxavs
1038     libxvid
1039     lpc
1040     lsp
1041     mdct
1042     memalign_hack
1043     mlib
1044     mpegaudiodsp
1045     network
1046     nonfree
1047     openal
1048     openssl
1049     pic
1050     postproc
1051     rdft
1052     rtpdec
1053     runtime_cpudetect
1054     shared
1055     sinewin
1056     small
1057     sram
1058     static
1059     swresample
1060     swscale
1061     swscale_alpha
1062     thumb
1063     vaapi
1064     vda
1065     vdpau
1066     version3
1067     x11grab
1068     zlib
1069 "
1070
1071 THREADS_LIST='
1072     pthreads
1073     w32threads
1074     os2threads
1075 '
1076
1077 ARCH_LIST='
1078     alpha
1079     arm
1080     avr32
1081     avr32_ap
1082     avr32_uc
1083     bfin
1084     ia64
1085     m68k
1086     mips
1087     mips64
1088     parisc
1089     ppc
1090     ppc64
1091     s390
1092     sh4
1093     sparc
1094     sparc64
1095     tomi
1096     x86
1097     x86_32
1098     x86_64
1099 '
1100
1101 ARCH_EXT_LIST='
1102     altivec
1103     amd3dnow
1104     amd3dnowext
1105     armv5te
1106     armv6
1107     armv6t2
1108     armvfp
1109     avx
1110     iwmmxt
1111     mmi
1112     mmx
1113     mmx2
1114     neon
1115     ppc4xx
1116     sse
1117     ssse3
1118     vfpv3
1119     vis
1120 '
1121
1122 HAVE_LIST_PUB='
1123     bigendian
1124     fast_unaligned
1125 '
1126
1127 HAVE_LIST="
1128     $ARCH_EXT_LIST
1129     $HAVE_LIST_PUB
1130     $THREADS_LIST
1131     aligned_stack
1132     alsa_asoundlib_h
1133     altivec_h
1134     arpa_inet_h
1135     asm_mod_y
1136     attribute_may_alias
1137     attribute_packed
1138     bswap
1139     cbrtf
1140     closesocket
1141     cmov
1142     dcbzl
1143     dev_bktr_ioctl_bt848_h
1144     dev_bktr_ioctl_meteor_h
1145     dev_ic_bt8xx_h
1146     dev_video_meteor_ioctl_meteor_h
1147     dev_video_bktr_ioctl_bt848_h
1148     dlfcn_h
1149     dlopen
1150     dos_paths
1151     ebp_available
1152     ebx_available
1153     exp2
1154     exp2f
1155     fast_64bit
1156     fast_clz
1157     fast_cmov
1158     fcntl
1159     fork
1160     getaddrinfo
1161     gethrtime
1162     GetProcessMemoryInfo
1163     GetProcessTimes
1164     getrusage
1165     gnu_as
1166     struct_rusage_ru_maxrss
1167     ibm_asm
1168     inet_aton
1169     inline_asm
1170     isatty
1171     kbhit
1172     ldbrx
1173     llrint
1174     llrintf
1175     local_aligned_16
1176     local_aligned_8
1177     localtime_r
1178     log2
1179     log2f
1180     loongson
1181     lrint
1182     lrintf
1183     lzo1x_999_compress
1184     machine_ioctl_bt848_h
1185     machine_ioctl_meteor_h
1186     malloc_h
1187     MapViewOfFile
1188     memalign
1189     mkstemp
1190     mmap
1191     PeekNamedPipe
1192     posix_memalign
1193     round
1194     roundf
1195     sdl
1196     sdl_video_size
1197     setmode
1198     sndio_h
1199     socklen_t
1200     soundcard_h
1201     poll_h
1202     setrlimit
1203     strerror_r
1204     strptime
1205     struct_addrinfo
1206     struct_ipv6_mreq
1207     struct_sockaddr_in6
1208     struct_sockaddr_sa_len
1209     struct_sockaddr_storage
1210     symver
1211     symver_gnu_asm
1212     symver_asm_label
1213     sys_mman_h
1214     sys_resource_h
1215     sys_select_h
1216     sys_soundcard_h
1217     sys_videoio_h
1218     termios_h
1219     threads
1220     trunc
1221     truncf
1222     vfp_args
1223     VirtualAlloc
1224     winsock2_h
1225     xform_asm
1226     xmm_clobbers
1227     yasm
1228 "
1229
1230 # options emitted with CONFIG_ prefix but not available on command line
1231 CONFIG_EXTRA="
1232     avutil
1233     gplv3
1234     lgplv3
1235 "
1236
1237 CMDLINE_SELECT="
1238     $ARCH_EXT_LIST
1239     $CONFIG_LIST
1240     $THREADS_LIST
1241     asm
1242     cross_compile
1243     debug
1244     extra_warnings
1245     logging
1246     optimizations
1247     stripping
1248     symver
1249     yasm
1250 "
1251
1252 PATHS_LIST='
1253     bindir
1254     datadir
1255     incdir
1256     libdir
1257     mandir
1258     prefix
1259     shlibdir
1260 '
1261
1262 CMDLINE_SET="
1263     $PATHS_LIST
1264     ar
1265     arch
1266     as
1267     build_suffix
1268     progs_suffix
1269     cc
1270     cpu
1271     cross_prefix
1272     cxx
1273     dep_cc
1274     extra_version
1275     host_cc
1276     host_cflags
1277     host_ldflags
1278     host_libs
1279     host_os
1280     install
1281     ld
1282     logfile
1283     malloc_prefix
1284     nm
1285     optflags
1286     pkg_config
1287     samples
1288     strip
1289     sysinclude
1290     sysroot
1291     target_exec
1292     target_os
1293     target_path
1294 "
1295
1296 CMDLINE_APPEND="
1297     extra_cflags
1298     extra_cxxflags
1299 "
1300
1301 # code dependency declarations
1302
1303 # architecture extensions
1304
1305 armv5te_deps="arm"
1306 armv6_deps="arm"
1307 armv6t2_deps="arm"
1308 armvfp_deps="arm"
1309 iwmmxt_deps="arm"
1310 neon_deps="arm"
1311 vfpv3_deps="armvfp"
1312
1313 mmi_deps="mips"
1314
1315 altivec_deps="ppc"
1316 ppc4xx_deps="ppc"
1317
1318 vis_deps="sparc"
1319
1320 x86_64_suggest="cmov fast_cmov"
1321 amd3dnow_deps="mmx"
1322 amd3dnowext_deps="amd3dnow"
1323 mmx_deps="x86"
1324 mmx2_deps="mmx"
1325 sse_deps="mmx"
1326 ssse3_deps="sse"
1327 avx_deps="ssse3"
1328
1329 aligned_stack_if_any="ppc x86"
1330 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1331 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1332 fast_unaligned_if_any="armv6 ppc x86"
1333
1334 need_memalign="altivec neon sse"
1335 inline_asm_deps="!tms470"
1336
1337 symver_if_any="symver_asm_label symver_gnu_asm"
1338
1339 # subsystems
1340 dct_select="rdft"
1341 mdct_select="fft"
1342 rdft_select="fft"
1343 mpegaudiodsp_select="dct"
1344
1345 # decoders / encoders / hardware accelerators
1346 aac_decoder_select="mdct sinewin"
1347 aac_encoder_select="mdct sinewin"
1348 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1349 ac3_decoder_select="mdct ac3dsp ac3_parser"
1350 ac3_encoder_select="mdct ac3dsp"
1351 ac3_fixed_encoder_select="mdct ac3dsp"
1352 alac_encoder_select="lpc"
1353 amrnb_decoder_select="lsp"
1354 amrwb_decoder_select="lsp"
1355 atrac1_decoder_select="mdct sinewin"
1356 atrac3_decoder_select="mdct"
1357 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1358 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1359 cavs_decoder_select="golomb"
1360 cook_decoder_select="mdct sinewin"
1361 cscd_decoder_suggest="zlib"
1362 dca_decoder_select="mdct"
1363 dnxhd_encoder_select="aandct"
1364 dxa_decoder_select="zlib"
1365 eac3_decoder_select="ac3_decoder"
1366 eac3_encoder_select="mdct ac3dsp"
1367 eamad_decoder_select="aandct"
1368 eatgq_decoder_select="aandct"
1369 eatqi_decoder_select="aandct"
1370 ffv1_decoder_select="golomb"
1371 flac_decoder_select="golomb"
1372 flac_encoder_select="golomb lpc"
1373 flashsv_decoder_select="zlib"
1374 flashsv_encoder_select="zlib"
1375 flashsv2_encoder_select="zlib"
1376 flashsv2_decoder_select="zlib"
1377 flv_decoder_select="h263_decoder"
1378 flv_encoder_select="h263_encoder"
1379 fraps_decoder_select="huffman"
1380 h261_encoder_select="aandct"
1381 h263_decoder_select="h263_parser"
1382 h263_encoder_select="aandct"
1383 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1384 h263i_decoder_select="h263_decoder"
1385 h263p_encoder_select="h263_encoder"
1386 h264_decoder_select="golomb h264dsp h264pred"
1387 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1388 h264_dxva2_hwaccel_deps="dxva2api_h"
1389 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1390 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1391 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1392 h264_vda_hwaccel_select="vda h264_decoder"
1393 h264_vdpau_decoder_select="vdpau h264_decoder"
1394 imc_decoder_select="fft mdct sinewin"
1395 jpegls_decoder_select="golomb"
1396 jpegls_encoder_select="golomb"
1397 ljpeg_encoder_select="aandct"
1398 loco_decoder_select="golomb"
1399 mjpeg_encoder_select="aandct"
1400 mlp_decoder_select="mlp_parser"
1401 mp1_decoder_select="mpegaudiodsp"
1402 mp2_decoder_select="mpegaudiodsp"
1403 mp3adu_decoder_select="mpegaudiodsp"
1404 mp3_decoder_select="mpegaudiodsp"
1405 mp3on4_decoder_select="mpegaudiodsp"
1406 mp1float_decoder_select="mpegaudiodsp"
1407 mp2float_decoder_select="mpegaudiodsp"
1408 mp3adufloat_decoder_select="mpegaudiodsp"
1409 mp3float_decoder_select="mpegaudiodsp"
1410 mp3on4float_decoder_select="mpegaudiodsp"
1411 mpeg1video_encoder_select="aandct"
1412 mpeg2video_encoder_select="aandct"
1413 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1414 mpeg4_encoder_select="h263_encoder"
1415 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1416 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1417 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1418 mpeg2_crystalhd_decoder_select="crystalhd"
1419 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1420 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1421 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1422 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1423 mpeg4_crystalhd_decoder_select="crystalhd"
1424 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1425 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1426 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1427 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1428 msmpeg4_crystalhd_decoder_select="crystalhd"
1429 msmpeg4v1_decoder_select="h263_decoder"
1430 msmpeg4v1_encoder_select="h263_encoder"
1431 msmpeg4v2_decoder_select="h263_decoder"
1432 msmpeg4v2_encoder_select="h263_encoder"
1433 msmpeg4v3_decoder_select="h263_decoder"
1434 msmpeg4v3_encoder_select="h263_encoder"
1435 nellymoser_decoder_select="mdct sinewin"
1436 nellymoser_encoder_select="mdct sinewin"
1437 png_decoder_select="zlib"
1438 png_encoder_select="zlib"
1439 qcelp_decoder_select="lsp"
1440 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1441 ra_144_encoder_select="lpc"
1442 rv10_decoder_select="h263_decoder"
1443 rv10_encoder_select="h263_encoder"
1444 rv20_decoder_select="h263_decoder"
1445 rv20_encoder_select="h263_encoder"
1446 rv30_decoder_select="golomb h264pred"
1447 rv40_decoder_select="golomb h264pred"
1448 shorten_decoder_select="golomb"
1449 sipr_decoder_select="lsp"
1450 snow_decoder_select="dwt"
1451 snow_encoder_select="aandct dwt"
1452 sonic_decoder_select="golomb"
1453 sonic_encoder_select="golomb"
1454 sonic_ls_encoder_select="golomb"
1455 svq1_encoder_select="aandct"
1456 svq3_decoder_select="golomb h264dsp h264pred"
1457 svq3_decoder_suggest="zlib"
1458 theora_decoder_select="vp3_decoder"
1459 tiff_decoder_suggest="zlib"
1460 tiff_encoder_suggest="zlib"
1461 truehd_decoder_select="mlp_decoder"
1462 tscc_decoder_select="zlib"
1463 twinvq_decoder_select="mdct lsp sinewin"
1464 vc1_decoder_select="h263_decoder"
1465 vc1_crystalhd_decoder_select="crystalhd"
1466 vc1_dxva2_hwaccel_deps="dxva2api_h"
1467 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1468 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1469 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1470 vc1image_decoder_select="vc1_decoder"
1471 vorbis_decoder_select="mdct"
1472 vorbis_encoder_select="mdct"
1473 vp6_decoder_select="huffman"
1474 vp6a_decoder_select="vp6_decoder"
1475 vp6f_decoder_select="vp6_decoder"
1476 vp8_decoder_select="h264pred"
1477 wmapro_decoder_select="mdct sinewin"
1478 wmav1_decoder_select="mdct sinewin"
1479 wmav1_encoder_select="mdct sinewin"
1480 wmav2_decoder_select="mdct sinewin"
1481 wmav2_encoder_select="mdct sinewin"
1482 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1483 wmv1_decoder_select="h263_decoder"
1484 wmv1_encoder_select="h263_encoder"
1485 wmv2_decoder_select="h263_decoder"
1486 wmv2_encoder_select="h263_encoder"
1487 wmv3_decoder_select="vc1_decoder"
1488 wmv3_crystalhd_decoder_select="crystalhd"
1489 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1490 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1491 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1492 wmv3image_decoder_select="wmv3_decoder"
1493 zlib_decoder_select="zlib"
1494 zlib_encoder_select="zlib"
1495 zmbv_decoder_select="zlib"
1496 zmbv_encoder_select="zlib"
1497
1498 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1499 vaapi_deps="va_va_h"
1500 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1501 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1502
1503 # parsers
1504 h264_parser_select="golomb h264dsp h264pred"
1505
1506 # external libraries
1507 libaacplus_encoder_deps="libaacplus"
1508 libcelt_decoder_deps="libcelt"
1509 libdirac_decoder_deps="libdirac !libschroedinger"
1510 libdirac_encoder_deps="libdirac"
1511 libfaac_encoder_deps="libfaac"
1512 libgsm_decoder_deps="libgsm"
1513 libgsm_encoder_deps="libgsm"
1514 libgsm_ms_decoder_deps="libgsm"
1515 libgsm_ms_encoder_deps="libgsm"
1516 libmodplug_demuxer_deps="libmodplug"
1517 libmp3lame_encoder_deps="libmp3lame"
1518 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1519 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1520 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1521 libopenjpeg_decoder_deps="libopenjpeg"
1522 libopenjpeg_encoder_deps="libopenjpeg"
1523 libschroedinger_decoder_deps="libschroedinger"
1524 libschroedinger_encoder_deps="libschroedinger"
1525 libspeex_decoder_deps="libspeex"
1526 libspeex_encoder_deps="libspeex"
1527 libstagefright_h264_decoder_deps="libstagefright_h264"
1528 libtheora_encoder_deps="libtheora"
1529 libvo_aacenc_encoder_deps="libvo_aacenc"
1530 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1531 libvorbis_encoder_deps="libvorbis"
1532 libvpx_decoder_deps="libvpx"
1533 libvpx_encoder_deps="libvpx"
1534 libx264_encoder_deps="libx264"
1535 libxavs_encoder_deps="libxavs"
1536 libxvid_encoder_deps="libxvid"
1537 libutvideo_decoder_deps="libutvideo gpl"
1538
1539 # demuxers / muxers
1540 ac3_demuxer_select="ac3_parser"
1541 asf_stream_muxer_select="asf_muxer"
1542 avisynth_demuxer_deps="avisynth"
1543 dirac_demuxer_select="dirac_parser"
1544 eac3_demuxer_select="ac3_parser"
1545 flac_demuxer_select="flac_parser"
1546 ipod_muxer_select="mov_muxer"
1547 libnut_demuxer_deps="libnut"
1548 libnut_muxer_deps="libnut"
1549 matroska_audio_muxer_select="matroska_muxer"
1550 matroska_demuxer_suggest="zlib bzlib"
1551 mov_demuxer_suggest="zlib"
1552 mp3_demuxer_select="mpegaudio_parser"
1553 mp4_muxer_select="mov_muxer"
1554 mpegtsraw_demuxer_select="mpegts_demuxer"
1555 mxf_d10_muxer_select="mxf_muxer"
1556 ogg_demuxer_select="golomb"
1557 psp_muxer_select="mov_muxer"
1558 rtp_demuxer_select="sdp_demuxer"
1559 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1560 rtsp_demuxer_select="http_protocol rtpdec"
1561 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1562 sap_demuxer_select="sdp_demuxer"
1563 sap_muxer_select="rtp_muxer rtp_protocol"
1564 sdp_demuxer_select="rtpdec"
1565 spdif_muxer_select="aac_parser"
1566 tg2_muxer_select="mov_muxer"
1567 tgp_muxer_select="mov_muxer"
1568 w64_demuxer_deps="wav_demuxer"
1569
1570 # indevs / outdevs
1571 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1572 alsa_outdev_deps="alsa_asoundlib_h"
1573 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1574 dshow_indev_deps="IBaseFilter"
1575 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1576 dv1394_indev_deps="dv1394 dv_demuxer"
1577 fbdev_indev_deps="linux_fb_h"
1578 jack_indev_deps="jack_jack_h sem_timedwait"
1579 lavfi_indev_deps="avfilter"
1580 libcdio_indev_deps="libcdio"
1581 libdc1394_indev_deps="libdc1394"
1582 libv4l2_indev_deps="libv4l2"
1583 openal_indev_deps="openal"
1584 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1585 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1586 pulse_indev_deps="libpulse"
1587 sdl_outdev_deps="sdl"
1588 sndio_indev_deps="sndio_h"
1589 sndio_outdev_deps="sndio_h"
1590 v4l_indev_deps="linux_videodev_h"
1591 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1592 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1593 vfwcap_indev_extralibs="-lavicap32"
1594 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1595 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1596
1597 # protocols
1598 gopher_protocol_deps="network"
1599 http_protocol_deps="network"
1600 http_protocol_select="tcp_protocol"
1601 https_protocol_select="tls_protocol"
1602 mmsh_protocol_select="http_protocol"
1603 mmst_protocol_deps="network"
1604 rtmp_protocol_select="tcp_protocol"
1605 rtp_protocol_select="udp_protocol"
1606 tcp_protocol_deps="network"
1607 tls_protocol_deps_any="openssl gnutls"
1608 tls_protocol_select="tcp_protocol"
1609 udp_protocol_deps="network"
1610
1611 # filters
1612 amovie_filter_deps="avcodec avformat"
1613 blackframe_filter_deps="gpl"
1614 boxblur_filter_deps="gpl"
1615 cropdetect_filter_deps="gpl"
1616 delogo_filter_deps="gpl"
1617 drawtext_filter_deps="libfreetype"
1618 frei0r_filter_deps="frei0r dlopen"
1619 frei0r_src_filter_deps="frei0r dlopen"
1620 hqdn3d_filter_deps="gpl"
1621 movie_filter_deps="avcodec avformat"
1622 mp_filter_deps="gpl avcodec"
1623 mptestsrc_filter_deps="gpl"
1624 negate_filter_deps="lut_filter"
1625 ocv_filter_deps="libopencv"
1626 scale_filter_deps="swscale"
1627 yadif_filter_deps="gpl"
1628
1629 # libraries
1630 avdevice_deps="avcodec avformat"
1631 avformat_deps="avcodec"
1632 postproc_deps="gpl"
1633
1634 # programs
1635 ffmpeg_deps="avcodec avformat swscale swresample"
1636 ffmpeg_select="buffer_filter buffersink_filter"
1637 avconv_deps="avcodec avformat swscale"
1638 avconv_select="buffer_filter"
1639 ffplay_deps="avcodec avformat swscale sdl"
1640 ffplay_select="buffersink_filter rdft"
1641 ffprobe_deps="avcodec avformat"
1642 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1643 ffserver_extralibs='$ldl'
1644
1645 doc_deps="texi2html"
1646
1647 # tests
1648
1649 test_deps(){
1650     suf1=$1
1651     suf2=$2
1652     shift 2
1653     for v; do
1654         dep=${v%=*}
1655         tests=${v#*=}
1656         for name in ${tests}; do
1657             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1658         done
1659     done
1660 }
1661
1662 mxf_d10_test_deps="avfilter"
1663 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1664
1665 test_deps _encoder _decoder                                             \
1666     adpcm_g726=g726                                                     \
1667     adpcm_ima_qt                                                        \
1668     adpcm_ima_wav                                                       \
1669     adpcm_ms                                                            \
1670     adpcm_swf                                                           \
1671     adpcm_yamaha=adpcm_yam                                              \
1672     alac                                                                \
1673     asv1                                                                \
1674     asv2                                                                \
1675     bmp                                                                 \
1676     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1677     dvvideo="dv dv50"                                                   \
1678     ffv1                                                                \
1679     flac                                                                \
1680     flashsv                                                             \
1681     flv                                                                 \
1682     gif                                                                 \
1683     h261                                                                \
1684     h263="h263 h263p"                                                   \
1685     huffyuv                                                             \
1686     jpegls                                                              \
1687     mjpeg="jpg mjpeg ljpeg"                                             \
1688     mp2                                                                 \
1689     mpeg1video="mpeg mpeg1b"                                            \
1690     mpeg2video="mpeg2 mpeg2thread"                                      \
1691     mpeg4="mpeg4 mpeg4adv mpeg4nr mpeg4thread error rc"                 \
1692     msmpeg4v3=msmpeg4                                                   \
1693     msmpeg4v2                                                           \
1694     pbm=pbmpipe                                                         \
1695     pcx                                                                 \
1696     pgm="pgm pgmpipe"                                                   \
1697     png                                                                 \
1698     ppm="ppm ppmpipe"                                                   \
1699     rawvideo="rgb yuv"                                                  \
1700     roq                                                                 \
1701     rv10                                                                \
1702     rv20                                                                \
1703     sgi                                                                 \
1704     snow="snow snowll"                                                  \
1705     svq1                                                                \
1706     targa=tga                                                           \
1707     tiff                                                                \
1708     wmav1                                                               \
1709     wmav2                                                               \
1710     wmv1                                                                \
1711     wmv2                                                                \
1712
1713 test_deps _muxer _demuxer                                               \
1714     aiff                                                                \
1715     pcm_alaw=alaw                                                       \
1716     asf                                                                 \
1717     au                                                                  \
1718     avi                                                                 \
1719     dv=dv_fmt                                                           \
1720     ffm                                                                 \
1721     flv=flv_fmt                                                         \
1722     gxf                                                                 \
1723     matroska=mkv                                                        \
1724     mmf                                                                 \
1725     mov                                                                 \
1726     pcm_mulaw=mulaw                                                     \
1727     mxf="mxf mxf_d10"                                                   \
1728     nut                                                                 \
1729     ogg                                                                 \
1730     rawvideo=pixfmt                                                     \
1731     rm                                                                  \
1732     swf                                                                 \
1733     mpegts=ts                                                           \
1734     voc                                                                 \
1735     wav                                                                 \
1736     yuv4mpegpipe=yuv4mpeg                                               \
1737
1738 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1739 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1740
1741 # default parameters
1742
1743 logfile="config.log"
1744
1745 # installation paths
1746 prefix_default="/usr/local"
1747 bindir_default='${prefix}/bin'
1748 datadir_default='${prefix}/share/ffmpeg'
1749 incdir_default='${prefix}/include'
1750 libdir_default='${prefix}/lib'
1751 mandir_default='${prefix}/share/man'
1752 shlibdir_default="$libdir_default"
1753
1754 # toolchain
1755 ar_default="ar"
1756 cc_default="gcc"
1757 cxx_default="g++"
1758 cc_version=\"unknown\"
1759 host_cc_default="gcc"
1760 install="install"
1761 ln_s="ln -sf"
1762 nm_default="nm"
1763 objformat="elf"
1764 pkg_config_default=pkg-config
1765 ranlib="ranlib"
1766 strip_default="strip"
1767 yasmexe="yasm"
1768 nogas=":"
1769
1770 nm_opts='-g'
1771
1772 # machine
1773 arch_default=$(uname -m)
1774 cpu="generic"
1775
1776 # OS
1777 target_os_default=$(tolower $(uname -s))
1778 host_os=$target_os_default
1779
1780 # configurable options
1781 enable avcodec
1782 enable avdevice
1783 enable avfilter
1784 enable avformat
1785 enable avutil
1786 enable asm
1787 enable debug
1788 enable doc
1789 enable fastdiv
1790 enable ffmpeg
1791 enable avconv
1792 enable ffplay
1793 enable ffprobe
1794 enable ffserver
1795 enable network
1796 enable optimizations
1797 enable postproc
1798 enable protocols
1799 enable static
1800 enable stripping
1801 enable swresample
1802 enable swscale
1803 enable swscale_alpha
1804
1805 # build settings
1806 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1807 FFSERVERLDFLAGS=-Wl,-E
1808 LIBPREF="lib"
1809 LIBSUF=".a"
1810 FULLNAME='$(NAME)$(BUILDSUF)'
1811 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1812 SLIBPREF="lib"
1813 SLIBSUF=".so"
1814 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1815 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1816 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1817 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1818 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1819 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1820
1821 AS_O='-o $@'
1822 CC_O='-o $@'
1823 CXX_O='-o $@'
1824
1825 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1826 host_libs='-lm'
1827
1828 target_path='$(CURDIR)'
1829
1830 # since the object filename is not given with the -MM flag, the compiler
1831 # is only able to print the basename, and we must add the path ourselves
1832 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1833 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1834
1835 # find source path
1836 if test -f configure; then
1837     source_path=.
1838 else
1839     source_path=$(cd $(dirname "$0"); pwd)
1840     echo "$source_path" | grep -q '[[:blank:]]' &&
1841         die "Out of tree builds are impossible with whitespace in source path."
1842     test -e "$source_path/config.h" &&
1843         die "Out of tree builds are impossible with config.h in source dir."
1844 fi
1845
1846 for v in "$@"; do
1847     r=${v#*=}
1848     l=${v%"$r"}
1849     r=$(sh_quote "$r")
1850     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1851 done
1852
1853 find_things(){
1854     thing=$1
1855     pattern=$2
1856     file=$source_path/$3
1857     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1858 }
1859
1860 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1861 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1862 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1863 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1864 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1865 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1866 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1867 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1868 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1869 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1870 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1871
1872 find_tests(){
1873     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1874 }
1875
1876 ACODEC_TESTS=$(find_tests acodec)
1877 VCODEC_TESTS=$(find_tests vsynth1)
1878 LAVF_TESTS=$(find_tests lavf)
1879 LAVFI_TESTS=$(find_tests lavfi)
1880 SEEK_TESTS=$(find_tests seek seek_)
1881
1882 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1883
1884 for n in $COMPONENT_LIST; do
1885     v=$(toupper ${n%s})_LIST
1886     eval enable \$$v
1887     eval ${n}_if_any="\$$v"
1888 done
1889
1890 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1891
1892 die_unknown(){
1893     echo "Unknown option \"$1\"."
1894     echo "See $0 --help for available options."
1895     exit 1
1896 }
1897
1898 show_list() {
1899     suffix=_$1
1900     shift
1901     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1902     exit 0
1903 }
1904
1905 for opt do
1906     optval="${opt#*=}"
1907     case "$opt" in
1908     --extra-ldflags=*) add_ldflags $optval
1909     ;;
1910     --extra-libs=*) add_extralibs $optval
1911     ;;
1912     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1913     ;;
1914     --enable-debug=*) debuglevel="$optval"
1915     ;;
1916     --disable-everything)
1917     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1918     ;;
1919     --enable-*=*|--disable-*=*)
1920     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1921     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1922     eval list=\$$(toupper $thing)_LIST
1923     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1924     $action $(filter "$name" $list)
1925     ;;
1926     --enable-?*|--disable-?*)
1927     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1928     if is_in $option $COMPONENT_LIST; then
1929         test $action = disable && action=unset
1930         eval $action \$$(toupper ${option%s})_LIST
1931     elif is_in $option $CMDLINE_SELECT; then
1932         $action $option
1933     else
1934         die_unknown $opt
1935     fi
1936     ;;
1937     --list-*)
1938         NAME="${opt#--list-}"
1939         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1940         NAME=${NAME%s}
1941         eval show_list $NAME \$$(toupper $NAME)_LIST
1942     ;;
1943     --help|-h) show_help
1944     ;;
1945     *)
1946     optname="${opt%%=*}"
1947     optname="${optname#--}"
1948     optname=$(echo "$optname" | sed 's/-/_/g')
1949     if is_in $optname $CMDLINE_SET; then
1950         eval $optname='$optval'
1951     elif is_in $optname $CMDLINE_APPEND; then
1952         append $optname "$optval"
1953     else
1954          die_unknown $opt
1955     fi
1956     ;;
1957     esac
1958 done
1959
1960 disabled logging && logfile=/dev/null
1961
1962 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1963 set >> $logfile
1964
1965 test -n "$cross_prefix" && enable cross_compile
1966
1967 if enabled cross_compile; then
1968     test -n "$arch" && test -n "$target_os" ||
1969         die "Must specify target arch and OS when cross-compiling"
1970 fi
1971
1972 set_default arch target_os
1973
1974 ar_default="${cross_prefix}${ar_default}"
1975 cc_default="${cross_prefix}${cc_default}"
1976 cxx_default="${cross_prefix}${cxx_default}"
1977 nm_default="${cross_prefix}${nm_default}"
1978 pkg_config_default="${cross_prefix}${pkg_config_default}"
1979 ranlib="${cross_prefix}${ranlib}"
1980 strip_default="${cross_prefix}${strip_default}"
1981
1982 sysinclude_default="${sysroot}/usr/include"
1983
1984 set_default cc cxx nm pkg_config strip sysinclude
1985 enabled cross_compile || host_cc_default=$cc
1986 set_default host_cc
1987
1988 if ! $pkg_config --version >/dev/null 2>&1; then
1989     warn "$pkg_config not found, library detection may fail."
1990     pkg_config=false
1991 fi
1992
1993 exesuf() {
1994     case $1 in
1995         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
1996     esac
1997 }
1998
1999 EXESUF=$(exesuf $target_os)
2000 HOSTEXESUF=$(exesuf $host_os)
2001
2002 # set temporary file name
2003 : ${TMPDIR:=$TEMPDIR}
2004 : ${TMPDIR:=$TMP}
2005 : ${TMPDIR:=/tmp}
2006
2007 if ! check_cmd mktemp -u XXXXXX; then
2008     # simple replacement for missing mktemp
2009     # NOT SAFE FOR GENERAL USE
2010     mktemp(){
2011         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2012     }
2013 fi
2014
2015 tmpfile(){
2016     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2017         (set -C; exec > $tmp) 2>/dev/null ||
2018         die "Unable to create temporary file in $TMPDIR."
2019     append TMPFILES $tmp
2020     eval $1=$tmp
2021 }
2022
2023 trap 'rm -f -- $TMPFILES' EXIT
2024
2025 tmpfile TMPC  .c
2026 tmpfile TMPCPP .cpp
2027 tmpfile TMPE  $EXESUF
2028 tmpfile TMPH  .h
2029 tmpfile TMPO  .o
2030 tmpfile TMPS  .S
2031 tmpfile TMPV  .ver
2032 tmpfile TMPSH .sh
2033 tmpfile TMPASM .asm
2034
2035 unset -f mktemp
2036
2037 chmod +x $TMPE
2038
2039 # make sure we can execute files in $TMPDIR
2040 cat > $TMPSH 2>> $logfile <<EOF
2041 #! /bin/sh
2042 EOF
2043 chmod +x $TMPSH >> $logfile 2>&1
2044 if ! $TMPSH >> $logfile 2>&1; then
2045     cat <<EOF
2046 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2047 variable to another directory and make sure that it is not mounted noexec.
2048 EOF
2049     die "Sanity test failed."
2050 fi
2051
2052 filter_cflags=echo
2053 filter_cppflags=echo
2054 filter_asflags=echo
2055
2056 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2057     cc_type=llvm_gcc
2058     cc_version=__VERSION__
2059     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2060     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2061     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2062     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2063     speed_cflags='-O3'
2064     size_cflags='-Os'
2065 elif $cc -v 2>&1 | grep -qi ^gcc; then
2066     cc_type=gcc
2067     cc_version=__VERSION__
2068     gcc_version=$($cc --version | head -n1)
2069     gcc_basever=$($cc -dumpversion)
2070     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2071     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2072     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2073     if ! $cc -dumpversion | grep -q '^2\.'; then
2074         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2075         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2076     fi
2077     speed_cflags='-O3'
2078     size_cflags='-Os'
2079 elif $cc --version 2>/dev/null | grep -q Intel; then
2080     cc_type=icc
2081     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2082     cc_ident=$($cc --version | head -n1)
2083     icc_version=$($cc -dumpversion)
2084     CC_DEPFLAGS='-MMD'
2085     AS_DEPFLAGS='-MMD'
2086     speed_cflags='-O3'
2087     size_cflags='-Os'
2088     noopt_cflags='-O1'
2089 elif $cc -v 2>&1 | grep -q xlc; then
2090     cc_type=xlc
2091     cc_version="AV_STRINGIFY(__IBMC__)"
2092     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2093     speed_cflags='-O5'
2094     size_cflags='-O5 -qcompact'
2095 elif $cc -V 2>/dev/null | grep -q Compaq; then
2096     cc_type=ccc
2097     cc_version="AV_STRINGIFY(__DECC_VER)"
2098     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2099     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2100     debuglevel=3
2101     add_ldflags -Wl,-z,now # calls to libots crash without this
2102     speed_cflags='-fast'
2103     size_cflags='-O1'
2104 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2105     test -d "$sysroot" || die "No valid sysroot specified."
2106     cc_type=armcc
2107     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2108     cc_ident=$($cc --vsn | head -n1)
2109     armcc_conf="$PWD/armcc.conf"
2110     $cc --arm_linux_configure                 \
2111         --arm_linux_config_file="$armcc_conf" \
2112         --configure_sysroot="$sysroot"        \
2113         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2114         die "Error creating armcc configuration file."
2115     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2116     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2117     as_default="${cross_prefix}gcc"
2118     CC_DEPFLAGS='-MMD'
2119     AS_DEPFLAGS='-MMD'
2120     speed_cflags='-O3'
2121     size_cflags='-Os'
2122     filter_asflags="filter_out -W${armcc_opt}*"
2123 elif $cc -version 2>/dev/null | grep -q TMS470; then
2124     cc_type=tms470
2125     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2126     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2127     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2128     CC_O='-fr=$(@D)'
2129     as_default="${cross_prefix}gcc"
2130     ld_default="${cross_prefix}gcc"
2131     TMPO=$(basename $TMPC .c).o
2132     append TMPFILES $TMPO
2133     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2134     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2135     AS_DEPFLAGS='-MMD'
2136     speed_cflags='-O3 -mf=5'
2137     size_cflags='-O3 -mf=2'
2138     filter_cflags=tms470_flags
2139     tms470_flags(){
2140         for flag; do
2141             case $flag in
2142                 -march=*|-mcpu=*)
2143                     case "${flag#*=}" in
2144                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2145                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2146                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2147                         armv6*|arm11*)          echo -mv=6   ;;
2148                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2149                                                 echo -mv=5e  ;;
2150                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2151                     esac
2152                     ;;
2153                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2154                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2155                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2156                 -msoft-float)   echo --float_support=vfplib       ;;
2157                 -O[0-3]|-mf=*)  echo $flag                        ;;
2158                 -g)             echo -g -mn                       ;;
2159                 -pds=*)         echo $flag                        ;;
2160             esac
2161         done
2162     }
2163 elif $cc -v 2>&1 | grep -q clang; then
2164     cc_type=clang
2165     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2166         cc_version=__clang_version__ || cc_version=__VERSION__
2167     cc_ident=$($cc --version | head -n1)
2168     CC_DEPFLAGS='-MMD'
2169     AS_DEPFLAGS='-MMD'
2170     speed_cflags='-O3'
2171     size_cflags='-Os'
2172 elif $cc -V 2>&1 | grep -q Sun; then
2173     cc_type=suncc
2174     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2175     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2176     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2177     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2178     add_ldflags -xc99
2179     speed_cflags='-O5'
2180     size_cflags='-O5 -xspace'
2181     filter_cflags=suncc_flags
2182     suncc_flags(){
2183         for flag; do
2184             case $flag in
2185                 -march=*|-mcpu=*)
2186                     case "${flag#*=}" in
2187                         native)                   echo -xtarget=native       ;;
2188                         v9|niagara)               echo -xarch=sparc          ;;
2189                         ultrasparc)               echo -xarch=sparcvis       ;;
2190                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2191                         i586|pentium)             echo -xchip=pentium        ;;
2192                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2193                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2194                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2195                         pentium4*)          echo -xtarget=pentium4           ;;
2196                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2197                         *-sse3)             echo -xarch=sse3                 ;;
2198                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2199                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2200                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2201                         k8|opteron|athlon64|athlon-fx)
2202                                                   echo -xarch=sse2a          ;;
2203                         athlon*)                  echo -xarch=pentium_proa   ;;
2204                     esac
2205                     ;;
2206                 -std=c99)             echo -xc99              ;;
2207                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2208                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2209                 -W*,*)                echo $flag              ;;
2210                 -f*-*|-W*)                                    ;;
2211                 *)                    echo $flag              ;;
2212             esac
2213         done
2214     }
2215 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2216     cc_type=pathscale
2217     cc_version=__PATHSCALE__
2218     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2219     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2220     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2221     speed_cflags='-O2'
2222     size_cflags='-Os'
2223     filter_cflags='filter_out -Wdisabled-optimization'
2224 elif $cc -v 2>&1 | grep -q Open64; then
2225     cc_type=open64
2226     cc_version=__OPEN64__
2227     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2228     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2229     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2230     speed_cflags='-O2'
2231     size_cflags='-Os'
2232     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2233 fi
2234
2235 test -n "$cc_type" && enable $cc_type ||
2236     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2237
2238 : ${as_default:=$cc}
2239 : ${dep_cc_default:=$cc}
2240 : ${ld_default:=$cc}
2241 set_default ar as dep_cc ld
2242
2243 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2244 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2245 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2246
2247 add_cflags $extra_cflags
2248 add_cxxflags $extra_cxxflags
2249 add_asflags $extra_cflags
2250
2251 if test -n "$sysroot"; then
2252     case "$cc_type" in
2253         gcc|llvm_gcc|clang)
2254             add_cppflags --sysroot="$sysroot"
2255             add_ldflags --sysroot="$sysroot"
2256         ;;
2257         tms470)
2258             add_cppflags -I"$sysinclude"
2259             add_ldflags  --sysroot="$sysroot"
2260         ;;
2261     esac
2262 fi
2263
2264 if test "$cpu" = host; then
2265     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2266
2267     case "$cc_type" in
2268         gcc|llvm_gcc)
2269             check_native(){
2270                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2271                 sed -n "/cc1.*$1=/{
2272                             s/.*$1=\\([^ ]*\\).*/\\1/
2273                             p
2274                             q
2275                         }" $TMPE
2276             }
2277             cpu=$(check_native -march || check_native -mcpu)
2278         ;;
2279     esac
2280
2281     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2282 fi
2283
2284 # Deal with common $arch aliases
2285 case "$arch" in
2286     arm*)
2287         arch="arm"
2288     ;;
2289     mips|mipsel|IP*)
2290         arch="mips"
2291     ;;
2292     mips64*)
2293         arch="mips"
2294         subarch="mips64"
2295     ;;
2296     parisc|hppa)
2297         arch="parisc"
2298     ;;
2299     parisc64|hppa64)
2300         arch="parisc"
2301         subarch="parisc64"
2302     ;;
2303     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2304         arch="ppc"
2305     ;;
2306     s390|s390x)
2307         arch="s390"
2308     ;;
2309     sh4|sh)
2310         arch="sh4"
2311     ;;
2312     sun4u|sparc64)
2313         arch="sparc"
2314         subarch="sparc64"
2315     ;;
2316     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2317         arch="x86"
2318     ;;
2319 esac
2320
2321 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2322 enable $arch
2323
2324 # Add processor-specific flags
2325 if test "$cpu" = generic; then
2326     : do nothing
2327 elif enabled ppc; then
2328
2329     case $(tolower $cpu) in
2330         601|ppc601|powerpc601)
2331             cpuflags="-mcpu=601"
2332             disable altivec
2333         ;;
2334         603*|ppc603*|powerpc603*)
2335             cpuflags="-mcpu=603"
2336             disable altivec
2337         ;;
2338         604*|ppc604*|powerpc604*)
2339             cpuflags="-mcpu=604"
2340             disable altivec
2341         ;;
2342         g3|75*|ppc75*|powerpc75*)
2343             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2344             disable altivec
2345         ;;
2346         g4|745*|ppc745*|powerpc745*)
2347             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2348         ;;
2349         74*|ppc74*|powerpc74*)
2350             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2351         ;;
2352         g5|970|ppc970|powerpc970|power4*)
2353             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2354         ;;
2355         cell)
2356             cpuflags="-mcpu=cell"
2357             enable ldbrx
2358         ;;
2359         e500v2)
2360             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2361             disable altivec
2362         ;;
2363         e500)
2364             cpuflags="-mcpu=8540 -mhard-float"
2365             disable altivec
2366         ;;
2367     esac
2368
2369 elif enabled x86; then
2370
2371     case $cpu in
2372         i[345]86|pentium)
2373             cpuflags="-march=$cpu"
2374             disable mmx
2375         ;;
2376         # targets that do NOT support conditional mov (cmov)
2377         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2378             cpuflags="-march=$cpu"
2379             disable cmov
2380         ;;
2381         # targets that do support conditional mov (cmov)
2382         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2383             cpuflags="-march=$cpu"
2384             enable cmov
2385             enable fast_cmov
2386         ;;
2387         # targets that do support conditional mov but on which it's slow
2388         pentium4|pentium4m|prescott|nocona)
2389             cpuflags="-march=$cpu"
2390             enable cmov
2391             disable fast_cmov
2392         ;;
2393     esac
2394
2395 elif enabled sparc; then
2396
2397     case $cpu in
2398         niagara)
2399             cpuflags="-mcpu=$cpu"
2400             disable vis
2401         ;;
2402         sparc64)
2403             cpuflags="-mcpu=v9"
2404         ;;
2405     esac
2406
2407 elif enabled arm; then
2408
2409     case $cpu in
2410         armv*)
2411             cpuflags="-march=$cpu"
2412             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2413         ;;
2414         *)
2415             cpuflags="-mcpu=$cpu"
2416             case $cpu in
2417                 cortex-a*)                               subarch=armv7a  ;;
2418                 cortex-r*)                               subarch=armv7r  ;;
2419                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2420                 arm11*)                                  subarch=armv6   ;;
2421                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2422                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2423             esac
2424         ;;
2425     esac
2426
2427 elif enabled alpha; then
2428
2429     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2430
2431 elif enabled bfin; then
2432
2433     cpuflags="-mcpu=$cpu"
2434
2435 elif enabled mips; then
2436
2437     cpuflags="-march=$cpu"
2438
2439 elif enabled avr32; then
2440
2441     case $cpu in
2442         ap7[02]0[0-2])
2443             subarch="avr32_ap"
2444             cpuflags="-mpart=$cpu"
2445         ;;
2446         ap)
2447             subarch="avr32_ap"
2448             cpuflags="-march=$cpu"
2449         ;;
2450         uc3[ab]*)
2451             subarch="avr32_uc"
2452             cpuflags="-mcpu=$cpu"
2453         ;;
2454         uc)
2455             subarch="avr32_uc"
2456             cpuflags="-march=$cpu"
2457         ;;
2458     esac
2459
2460 fi
2461
2462 add_cflags $cpuflags
2463 add_asflags $cpuflags
2464
2465 # compiler sanity check
2466 check_exec <<EOF
2467 int main(void){ return 0; }
2468 EOF
2469 if test "$?" != 0; then
2470     echo "$cc is unable to create an executable file."
2471     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2472         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2473         echo "Only do this if you know what cross compiling means."
2474     fi
2475     die "C compiler test failed."
2476 fi
2477
2478 add_cppflags -D_ISOC99_SOURCE
2479 add_cxxflags -D__STDC_CONSTANT_MACROS
2480 check_cflags -std=c99
2481 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2482 #include <stdlib.h>
2483 EOF
2484 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2485 #include <stdlib.h>
2486 EOF
2487
2488 check_host_cflags -std=c99
2489 check_host_cflags -Wall
2490
2491 case "$arch" in
2492     alpha|ia64|mips|parisc|sparc)
2493         spic=$shared
2494     ;;
2495     x86)
2496         subarch="x86_32"
2497         check_cc <<EOF && subarch="x86_64"
2498         int test[(int)sizeof(char*) - 7];
2499 EOF
2500         if test "$subarch" = "x86_64"; then
2501             spic=$shared
2502         fi
2503     ;;
2504     ppc)
2505         check_cc <<EOF && subarch="ppc64"
2506         int test[(int)sizeof(char*) - 7];
2507 EOF
2508     ;;
2509 esac
2510
2511 enable $subarch
2512 enabled spic && enable pic
2513
2514 # OS specific
2515 case $target_os in
2516     haiku)
2517         prefix_default="/boot/common"
2518         network_extralibs="-lnetwork"
2519         host_libs=
2520         ;;
2521     sunos)
2522         FFSERVERLDFLAGS=""
2523         SHFLAGS='-shared -Wl,-h,$$(@F)'
2524         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2525         network_extralibs="-lsocket -lnsl"
2526         add_cppflags -D__EXTENSIONS__
2527         # When using suncc to build, the Solaris linker will mark
2528         # an executable with each instruction set encountered by
2529         # the Solaris assembler.  As our libraries contain their own
2530         # guards for processor-specific code, instead suppress
2531         # generation of the HWCAPS ELF section on Solaris x86 only.
2532         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2533         nm_opts='-P -g'
2534         ;;
2535     netbsd)
2536         disable symver
2537         oss_indev_extralibs="-lossaudio"
2538         oss_outdev_extralibs="-lossaudio"
2539         ;;
2540     openbsd)
2541         enable malloc_aligned
2542         # On OpenBSD 4.5. the compiler does not use PIC unless
2543         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2544         # however the generated executable will not do anything
2545         # (simply quits with exit-code 1, no crash, no output).
2546         # Thus explicitly enable PIC here.
2547         enable pic
2548         disable symver
2549         SHFLAGS='-shared'
2550         oss_indev_extralibs="-lossaudio"
2551         oss_outdev_extralibs="-lossaudio"
2552         ;;
2553     dragonfly)
2554         enable malloc_aligned
2555         disable symver
2556         ;;
2557     freebsd)
2558         enable malloc_aligned
2559         ;;
2560     bsd/os)
2561         add_extralibs -lpoll -lgnugetopt
2562         strip="strip -d"
2563         ;;
2564     darwin)
2565         enable malloc_aligned
2566         gas="gas-preprocessor.pl $cc"
2567         enabled ppc && add_asflags -force_cpusubtype_ALL
2568         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2569         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2570         strip="${strip} -x"
2571         add_ldflags -Wl,-dynamic,-search_paths_first
2572         SLIBSUF=".dylib"
2573         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2574         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2575         FFSERVERLDFLAGS=-Wl,-bind_at_load
2576         objformat="macho"
2577         enabled x86_64 && objformat="macho64"
2578         enabled_any pic shared ||
2579             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2580         ;;
2581     mingw32*)
2582         if test $target_os = "mingw32ce"; then
2583             disable network
2584         else
2585             target_os=mingw32
2586             enable_weak w32threads
2587         fi
2588         LIBTARGET=i386
2589         if enabled x86_64; then
2590             enable malloc_aligned
2591             LIBTARGET=x64
2592         elif enabled arm; then
2593             LIBTARGET=arm-wince
2594         fi
2595         shlibdir_default="$bindir_default"
2596         SLIBPREF=""
2597         SLIBSUF=".dll"
2598         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2599         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2600         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2601         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2602         SLIB_INSTALL_LINKS=
2603         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2604         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2605         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'
2606         objformat="win32"
2607         enable dos_paths
2608         check_cflags -fno-common
2609         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2610                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2611                 die "ERROR: MinGW runtime version must be >= 3.15."
2612         add_cppflags -U__STRICT_ANSI__
2613         ;;
2614     cygwin*)
2615         target_os=cygwin
2616         shlibdir_default="$bindir_default"
2617         SLIBPREF="cyg"
2618         SLIBSUF=".dll"
2619         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2620         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2621         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2622         objformat="win32"
2623         enable dos_paths
2624         check_cflags -fno-common
2625         add_cppflags -U__STRICT_ANSI__
2626         ;;
2627     *-dos|freedos|opendos)
2628         network_extralibs="-lsocket"
2629         objformat="coff"
2630         enable dos_paths
2631         add_cppflags -U__STRICT_ANSI__
2632         ;;
2633     linux)
2634         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2635         enable dv1394
2636         ;;
2637     irix*)
2638         target_os=irix
2639         ranlib="echo ignoring ranlib"
2640         ;;
2641     os/2*)
2642         strip="lxlite -CS"
2643         ln_s="cp -f"
2644         objformat="aout"
2645         add_cppflags -D_GNU_SOURCE
2646         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2647         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2648         FFSERVERLDFLAGS=""
2649         LIBSUF="_s.a"
2650         SLIBPREF=""
2651         SLIBSUF=".dll"
2652         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2653         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2654         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2655           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2656           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2657           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2658           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2659           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2660         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2661           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2662         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2663         enable dos_paths
2664         enable_weak os2threads
2665         ;;
2666     gnu/kfreebsd)
2667         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2668         ;;
2669     gnu)
2670         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2671         ;;
2672     qnx)
2673         add_cppflags -D_QNX_SOURCE
2674         network_extralibs="-lsocket"
2675         ;;
2676     symbian)
2677         SLIBSUF=".dll"
2678         enable dos_paths
2679         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2680         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2681         add_ldflags -Wl,--target1-abs,--no-undefined \
2682                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2683                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2684         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2685                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2686                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2687         ;;
2688     none)
2689         ;;
2690     *)
2691         die "Unknown OS '$target_os'."
2692         ;;
2693 esac
2694
2695 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2696
2697 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2698
2699 set_default $PATHS_LIST
2700
2701 # we need to build at least one lib type
2702 if ! enabled_any static shared; then
2703     cat <<EOF
2704 At least one library type must be built.
2705 Specify --enable-static to build the static libraries or --enable-shared to
2706 build the shared libraries as well. To only build the shared libraries specify
2707 --disable-static in addition to --enable-shared.
2708 EOF
2709     exit 1;
2710 fi
2711
2712 die_license_disabled() {
2713     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2714 }
2715
2716 die_license_disabled gpl libcdio
2717 die_license_disabled gpl libx264
2718 die_license_disabled gpl libxavs
2719 die_license_disabled gpl libxvid
2720 die_license_disabled gpl x11grab
2721
2722 die_license_disabled nonfree libaacplus
2723 die_license_disabled nonfree libfaac
2724 die_license_disabled nonfree openssl
2725
2726 die_license_disabled version3 libopencore_amrnb
2727 die_license_disabled version3 libopencore_amrwb
2728 die_license_disabled version3 libvo_aacenc
2729 die_license_disabled version3 libvo_amrwbenc
2730
2731 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2732
2733 disabled optimizations || check_cflags -fomit-frame-pointer
2734
2735 enable_pic() {
2736     enable pic
2737     add_cppflags -DPIC
2738     add_cflags   -fPIC
2739     add_asflags  -fPIC
2740 }
2741
2742 enabled pic && enable_pic
2743
2744 check_cc <<EOF || die "Symbol mangling check failed."
2745 int ff_extern;
2746 EOF
2747 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2748 extern_prefix=${sym%%ff_extern*}
2749
2750 check_cc <<EOF && enable inline_asm
2751 void foo(void) { __asm__ volatile ("" ::); }
2752 EOF
2753
2754 _restrict=
2755 for restrict_keyword in restrict __restrict__ __restrict; do
2756     check_cc <<EOF && _restrict=$restrict_keyword && break
2757 void foo(char * $restrict_keyword p);
2758 EOF
2759 done
2760
2761 check_cc <<EOF && enable attribute_packed
2762 struct { int x; } __attribute__((packed)) x;
2763 EOF
2764
2765 check_cc <<EOF && enable attribute_may_alias
2766 union { int x; } __attribute__((may_alias)) x;
2767 EOF
2768
2769 check_cc <<EOF || die "endian test failed"
2770 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2771 EOF
2772 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2773
2774 if enabled alpha; then
2775
2776     check_cflags -mieee
2777
2778 elif enabled arm; then
2779
2780     enabled thumb && check_cflags -mthumb || check_cflags -marm
2781     nogas=die
2782
2783     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2784         enable vfp_args
2785     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2786         case "${cross_prefix:-$cc}" in
2787             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2788             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2789 __asm__ (".eabi_attribute 28, 1");
2790 int main(void) { return 0; }
2791 EOF
2792         esac
2793         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2794     fi
2795
2796     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2797     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2798     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2799     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2800     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2801     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2802     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2803
2804     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2805
2806     enabled_all armv6t2 shared !pic && enable_pic
2807
2808 elif enabled mips; then
2809
2810     check_asm loongson '"dmult.g $1, $2, $3"'
2811     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2812
2813 elif enabled ppc; then
2814
2815     enable local_aligned_8 local_aligned_16
2816
2817     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2818     check_asm ibm_asm   '"add 0, 0, 0"'
2819     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2820     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2821
2822     # AltiVec flags: The FSF version of GCC differs from the Apple version
2823     if enabled altivec; then
2824         nogas=warn
2825         check_cflags -maltivec -mabi=altivec &&
2826         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2827         check_cflags -faltivec
2828
2829         # check if our compiler supports Motorola AltiVec C API
2830         check_cc <<EOF || disable altivec
2831 $inc_altivec_h
2832 int main(void) {
2833     vector signed int v1, v2, v3;
2834     v1 = vec_add(v2,v3);
2835     return 0;
2836 }
2837 EOF
2838
2839         # check if our compiler supports braces for vector declarations
2840         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2841 $inc_altivec_h
2842 int main (void) { (vector int) {1}; return 0; }
2843 EOF
2844     fi
2845
2846 elif enabled sparc; then
2847
2848     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2849         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2850
2851 elif enabled x86; then
2852
2853     enable local_aligned_8 local_aligned_16
2854
2855     # check whether EBP is available on x86
2856     # As 'i' is stored on the stack, this program will crash
2857     # if the base pointer is used to access it because the
2858     # base pointer is cleared in the inline assembly code.
2859     check_exec_crash <<EOF && enable ebp_available
2860     volatile int i=0;
2861     __asm__ volatile (
2862         "xorl %%ebp, %%ebp"
2863     ::: "%ebp");
2864     return i;
2865 EOF
2866
2867     # check whether EBX is available on x86
2868     check_asm ebx_available '""::"b"(0)' &&
2869         check_asm ebx_available '"":::"%ebx"'
2870
2871     # check whether xmm clobbers are supported
2872     check_asm xmm_clobbers '"":::"%xmm0"'
2873
2874     # check whether binutils is new enough to compile SSSE3/MMX2
2875     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2876     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2877
2878     check_asm bswap '"bswap %%eax" ::: "%eax"'
2879
2880     if ! disabled_any asm mmx yasm; then
2881         if check_cmd $yasmexe --version; then
2882             enabled x86_64 && yasm_extra="-m amd64"
2883             yasm_debug="-g dwarf2"
2884         elif check_cmd nasm -v; then
2885             yasmexe=nasm
2886             yasm_debug="-g -F dwarf"
2887             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2888         fi
2889
2890         YASMFLAGS="-f $objformat $yasm_extra"
2891         enabled pic               && append YASMFLAGS "-DPIC"
2892         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2893         case "$objformat" in
2894             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2895         esac
2896
2897         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2898             die "yasm not found, use --disable-yasm for a crippled build"
2899         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2900     fi
2901
2902     case "$cpu" in
2903         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2904             disable fast_clz
2905         ;;
2906     esac
2907
2908 fi
2909
2910 if enabled asm; then
2911     as=${gas:=$as}
2912     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2913         $nogas "GNU assembler not found, install gas-preprocessor"
2914 fi
2915
2916 check_ldflags -Wl,--as-needed
2917
2918 if check_func dlopen; then
2919     ldl=
2920 elif check_func dlopen -ldl; then
2921     ldl=-ldl
2922 fi
2923
2924 if enabled network; then
2925     check_type "sys/types.h sys/socket.h" socklen_t
2926     check_type netdb.h "struct addrinfo"
2927     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2928     check_type netinet/in.h "struct sockaddr_in6"
2929     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2930     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2931     # Prefer arpa/inet.h over winsock2
2932     if check_header arpa/inet.h ; then
2933         check_func closesocket
2934     elif check_header winsock2.h ; then
2935         check_func_headers winsock2.h closesocket -lws2 && \
2936             network_extralibs="-lws2" || \
2937         { check_func_headers winsock2.h closesocket -lws2_32 && \
2938             network_extralibs="-lws2_32"; }
2939         check_type ws2tcpip.h socklen_t
2940         check_type ws2tcpip.h "struct addrinfo"
2941         check_type ws2tcpip.h "struct ipv6_mreq"
2942         check_type ws2tcpip.h "struct sockaddr_in6"
2943         check_type ws2tcpip.h "struct sockaddr_storage"
2944         check_struct winsock2.h "struct sockaddr" sa_len
2945     else
2946         disable network
2947     fi
2948 fi
2949
2950 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2951 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2952
2953 check_func  fcntl
2954 check_func  fork
2955 check_func  getaddrinfo $network_extralibs
2956 check_func  gethrtime
2957 check_func  getrusage
2958 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2959 check_func  inet_aton $network_extralibs
2960 check_func  isatty
2961 check_func  localtime_r
2962 check_func  ${malloc_prefix}memalign            && enable memalign
2963 check_func  mkstemp
2964 check_func  mmap
2965 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2966 check_func  setrlimit
2967 check_func  strerror_r
2968 check_func  strptime
2969 check_func_headers conio.h kbhit
2970 check_func_headers windows.h PeekNamedPipe
2971 check_func_headers io.h setmode
2972 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2973 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2974 check_func_headers windows.h GetProcessTimes
2975 check_func_headers windows.h MapViewOfFile
2976 check_func_headers windows.h VirtualAlloc
2977
2978 check_header dlfcn.h
2979 check_header dxva2api.h -D_WIN32_WINNT=0x0600
2980 check_header libcrystalhd/libcrystalhd_if.h
2981 check_header malloc.h
2982 check_header poll.h
2983 check_header sys/mman.h
2984 check_header sys/resource.h
2985 check_header sys/select.h
2986 check_header termios.h
2987 check_header vdpau/vdpau.h
2988 check_header vdpau/vdpau_x11.h
2989 check_header X11/extensions/XvMClib.h
2990
2991 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2992 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2993
2994 # check for VDA header
2995 if ! disabled vda; then
2996     if check_header VideoDecodeAcceleration/VDADecoder.h; then
2997         enable vda
2998         add_ldflags -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
2999     fi
3000 fi
3001
3002 # check for some common methods of building with pthread support
3003 # do this before the optional library checks as some of them require pthreads
3004 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3005     enable pthreads
3006     if check_func pthread_create; then
3007         :
3008     elif check_func pthread_create -pthread; then
3009         add_cflags -pthread
3010         add_extralibs -pthread
3011     elif check_func pthread_create -pthreads; then
3012         add_cflags -pthreads
3013         add_extralibs -pthreads
3014     elif check_func pthread_create -lpthreadGC2; then
3015         add_extralibs -lpthreadGC2
3016     elif ! check_lib pthread.h pthread_create -lpthread; then
3017         disable pthreads
3018     fi
3019 fi
3020
3021 for thread in $THREADS_LIST; do
3022     if enabled $thread; then
3023         test -n "$thread_type" &&
3024             die "ERROR: Only one thread type must be selected." ||
3025             thread_type="$thread"
3026     fi
3027 done
3028
3029 check_lib math.h sin -lm && LIBM="-lm"
3030 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3031 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3032
3033 check_mathfunc cbrtf
3034 check_mathfunc exp2
3035 check_mathfunc exp2f
3036 check_mathfunc llrint
3037 check_mathfunc llrintf
3038 check_mathfunc log2
3039 check_mathfunc log2f
3040 check_mathfunc lrint
3041 check_mathfunc lrintf
3042 check_mathfunc round
3043 check_mathfunc roundf
3044 check_mathfunc trunc
3045 check_mathfunc truncf
3046
3047 # these are off by default, so fail if requested and not available
3048 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3049 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0
3050 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3051 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3052 enabled libdc1394  && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
3053 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3054 enabled libdirac   && require_pkg_config dirac                          \
3055     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
3056     "dirac_decoder_init dirac_encoder_init"
3057 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3058 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3059 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3060 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3061 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3062 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3063 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3064 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3065 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3066 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3067 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3068 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3069 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3070 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3071 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3072     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3073     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3074 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3075 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3076 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3077 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3078 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3079 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3080 enabled libvpx     && {
3081     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3082                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3083     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3084                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3085 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3086                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3087                         die "ERROR: libx264 version must be >= 0.118."; }
3088 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3089 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3090 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3091                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3092                         die "ERROR: openal not found"; } &&
3093                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3094                         die "ERROR: openal version must be 1.1 or compatible"; }
3095 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
3096 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3097                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3098                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3099                         die "ERROR: openssl not found"; }
3100
3101 SDL_CONFIG="${cross_prefix}sdl-config"
3102 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3103     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3104     enable sdl &&
3105     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3106 else
3107   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3108     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3109     sdl_libs=$("${SDL_CONFIG}" --libs)
3110     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3111     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3112     enable sdl &&
3113     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3114   fi
3115 fi
3116 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3117
3118 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3119
3120 check_header linux/fb.h
3121 check_header linux/videodev.h
3122 check_header linux/videodev2.h
3123 check_header sys/videoio.h
3124
3125 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3126 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3127 # w32api 3.12 had it defined wrong
3128 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3129
3130 check_type "dshow.h" IBaseFilter
3131
3132 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3133 { check_header dev/bktr/ioctl_meteor.h &&
3134   check_header dev/bktr/ioctl_bt848.h; } ||
3135 { check_header machine/ioctl_meteor.h &&
3136   check_header machine/ioctl_bt848.h; } ||
3137 { check_header dev/video/meteor/ioctl_meteor.h &&
3138   check_header dev/video/bktr/ioctl_bt848.h; } ||
3139 check_header dev/ic/bt8xx.h
3140
3141 check_header sndio.h
3142 if check_struct sys/soundcard.h audio_buf_info bytes; then
3143     enable_safe sys/soundcard.h
3144 else
3145     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3146     #include <sys/soundcard.h>
3147     audio_buf_info abc;
3148 EOF
3149 fi
3150 check_header soundcard.h
3151
3152 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3153
3154 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3155
3156 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3157
3158 enabled libcdio &&
3159     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3160
3161 enabled x11grab                         &&
3162 check_header X11/Xlib.h                 &&
3163 check_header X11/extensions/XShm.h      &&
3164 check_header X11/extensions/Xfixes.h    &&
3165 check_func XOpenDisplay -lX11           &&
3166 check_func XShmCreateImage -lX11 -lXext &&
3167 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3168
3169 if ! disabled vaapi; then
3170     check_lib va/va.h vaInitialize -lva && {
3171         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3172         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3173     } || disable vaapi
3174 fi
3175
3176 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3177 check_cpp_condition \
3178     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3179     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3180       disable vdpau; }
3181 fi
3182
3183 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3184
3185 # add some useful compiler flags if supported
3186 check_cflags -Wdeclaration-after-statement
3187 check_cflags -Wall
3188 check_cflags -Wno-parentheses
3189 check_cflags -Wno-switch
3190 check_cflags -Wno-format-zero-length
3191 check_cflags -Wdisabled-optimization
3192 check_cflags -Wpointer-arith
3193 check_cflags -Wredundant-decls
3194 check_cflags -Wno-pointer-sign
3195 check_cflags -Wcast-qual
3196 check_cflags -Wwrite-strings
3197 check_cflags -Wtype-limits
3198 check_cflags -Wundef
3199 check_cflags -Wmissing-prototypes
3200 check_cflags -Wno-pointer-to-int-cast
3201 check_cflags -Wstrict-prototypes
3202 enabled extra_warnings && check_cflags -Winline
3203
3204 # add some linker flags
3205 check_ldflags -Wl,--warn-common
3206 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3207 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3208
3209 echo "X{};" > $TMPV
3210 if test_ldflags -Wl,--version-script,$TMPV; then
3211     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3212     check_cc <<EOF && enable symver_asm_label
3213 void ff_foo(void) __asm__ ("av_foo@VERSION");
3214 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3215 EOF
3216     check_cc <<EOF && enable symver_gnu_asm
3217 __asm__(".symver ff_foo,av_foo@VERSION");
3218 void ff_foo(void) {}
3219 EOF
3220 fi
3221
3222 if [ -n "$optflags" ]; then
3223     add_cflags $optflags
3224 elif enabled small; then
3225     add_cflags $size_cflags
3226 elif enabled optimizations; then
3227     add_cflags $speed_cflags
3228 else
3229     add_cflags $noopt_cflags
3230 fi
3231 check_cflags -fno-math-errno
3232 check_cflags -fno-signed-zeros
3233 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3234 int x;
3235 EOF
3236
3237
3238 if enabled icc; then
3239     # Just warnings, no remarks
3240     check_cflags -w1
3241     # -wd: Disable following warnings
3242     # 144, 167, 556: -Wno-pointer-sign
3243     # 1292: attribute "foo" ignored
3244     # 10006: ignoring unknown option -fno-signed-zeros
3245     # 10148: ignoring unknown option -Wno-parentheses
3246     # 10156: ignoring option '-W'; no argument required
3247     check_cflags -wd144,167,556,1292,10006,10148,10156
3248     # 11030: Warning unknown option --as-needed
3249     # 10156: ignoring option '-export'; no argument required
3250     check_ldflags -wd10156,11030
3251     # Allow to compile with optimizations
3252     check_ldflags -march=$cpu
3253     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3254     enable ebp_available
3255     if enabled x86_32; then
3256         test ${icc_version%%.*} -ge 11 && \
3257             check_cflags -falign-stack=maintain-16-byte || \
3258             disable aligned_stack
3259     fi
3260 elif enabled ccc; then
3261     # disable some annoying warnings
3262     add_cflags -msg_disable cvtu32to64
3263     add_cflags -msg_disable embedcomment
3264     add_cflags -msg_disable needconstext
3265     add_cflags -msg_disable nomainieee
3266     add_cflags -msg_disable ptrmismatch1
3267     add_cflags -msg_disable unreachcode
3268 elif enabled gcc; then
3269     check_cflags -fno-tree-vectorize
3270     check_cflags -Werror=implicit-function-declaration
3271     check_cflags -Werror=missing-prototypes
3272 elif enabled llvm_gcc; then
3273     check_cflags -mllvm -stack-alignment=16
3274 elif enabled clang; then
3275     check_cflags -mllvm -stack-alignment=16
3276     check_cflags -Qunused-arguments
3277 elif enabled armcc; then
3278     # 2523: use of inline assembler is deprecated
3279     add_cflags -W${armcc_opt},--diag_suppress=2523
3280     add_cflags -W${armcc_opt},--diag_suppress=1207
3281     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3282     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3283     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3284     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3285 elif enabled tms470; then
3286     add_cflags -pds=824 -pds=837
3287 elif enabled pathscale; then
3288     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3289 fi
3290
3291 enabled_any $THREADS_LIST      && enable threads
3292
3293 check_deps $CONFIG_LIST       \
3294            $CONFIG_EXTRA      \
3295            $HAVE_LIST         \
3296            $DECODER_LIST      \
3297            $ENCODER_LIST      \
3298            $HWACCEL_LIST      \
3299            $PARSER_LIST       \
3300            $BSF_LIST          \
3301            $DEMUXER_LIST      \
3302            $MUXER_LIST        \
3303            $FILTER_LIST       \
3304            $INDEV_LIST        \
3305            $OUTDEV_LIST       \
3306            $PROTOCOL_LIST     \
3307            $ACODEC_TESTS      \
3308            $VCODEC_TESTS      \
3309            $LAVF_TESTS        \
3310            $LAVFI_TESTS       \
3311            $SEEK_TESTS        \
3312
3313 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3314
3315 if test $target_os = "haiku"; then
3316     disable memalign
3317     disable posix_memalign
3318 fi
3319
3320 ! enabled_any memalign posix_memalign malloc_aligned &&
3321     enabled_any $need_memalign && enable memalign_hack
3322
3323 echo "install prefix            $prefix"
3324 echo "source path               $source_path"
3325 echo "C compiler                $cc"
3326 echo "ARCH                      $arch ($cpu)"
3327 if test "$build_suffix" != ""; then
3328     echo "build suffix              $build_suffix"
3329 fi
3330 if test "$progs_suffix" != ""; then
3331     echo "progs suffix              $progs_suffix"
3332 fi
3333 if test "$extra_version" != ""; then
3334     echo "version string suffix     $extra_version"
3335 fi
3336 echo "big-endian                ${bigendian-no}"
3337 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3338 if enabled x86; then
3339     echo "${yasmexe}                      ${yasm-no}"
3340     echo "MMX enabled               ${mmx-no}"
3341     echo "MMX2 enabled              ${mmx2-no}"
3342     echo "3DNow! enabled            ${amd3dnow-no}"
3343     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3344     echo "SSE enabled               ${sse-no}"
3345     echo "SSSE3 enabled             ${ssse3-no}"
3346     echo "AVX enabled               ${avx-no}"
3347     echo "CMOV enabled              ${cmov-no}"
3348     echo "CMOV is fast              ${fast_cmov-no}"
3349     echo "EBX available             ${ebx_available-no}"
3350     echo "EBP available             ${ebp_available-no}"
3351 fi
3352 if enabled arm; then
3353     echo "ARMv5TE enabled           ${armv5te-no}"
3354     echo "ARMv6 enabled             ${armv6-no}"
3355     echo "ARMv6T2 enabled           ${armv6t2-no}"
3356     echo "ARM VFP enabled           ${armvfp-no}"
3357     echo "IWMMXT enabled            ${iwmmxt-no}"
3358     echo "NEON enabled              ${neon-no}"
3359 fi
3360 if enabled mips; then
3361     echo "MMI enabled               ${mmi-no}"
3362 fi
3363 if enabled ppc; then
3364     echo "AltiVec enabled           ${altivec-no}"
3365     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3366     echo "dcbzl available           ${dcbzl-no}"
3367 fi
3368 if enabled sparc; then
3369     echo "VIS enabled               ${vis-no}"
3370 fi
3371 echo "debug symbols             ${debug-no}"
3372 echo "strip symbols             ${stripping-no}"
3373 echo "optimize for size         ${small-no}"
3374 echo "optimizations             ${optimizations-no}"
3375 echo "static                    ${static-no}"
3376 echo "shared                    ${shared-no}"
3377 echo "postprocessing support    ${postproc-no}"
3378 echo "new filter support        ${avfilter-no}"
3379 echo "network support           ${network-no}"
3380 echo "threading support         ${thread_type-no}"
3381 echo "SDL support               ${sdl-no}"
3382 echo "Sun medialib support      ${mlib-no}"
3383 echo "libdxva2 enabled          ${dxva2-no}"
3384 echo "libva enabled             ${vaapi-no}"
3385 echo "libvdpau enabled          ${vdpau-no}"
3386 echo "AVISynth enabled          ${avisynth-no}"
3387 echo "libcelt enabled           ${libcelt-no}"
3388 echo "frei0r enabled            ${frei0r-no}"
3389 echo "gnutls enabled            ${gnutls-no}"
3390 echo "libcdio support           ${libcdio-no}"
3391 echo "libdc1394 support         ${libdc1394-no}"
3392 echo "libdirac enabled          ${libdirac-no}"
3393 echo "libfaac enabled           ${libfaac-no}"
3394 echo "libaacplus enabled        ${libaacplus-no}"
3395 echo "libgsm enabled            ${libgsm-no}"
3396 echo "libmodplug enabled        ${libmodplug-no}"
3397 echo "libmp3lame enabled        ${libmp3lame-no}"
3398 echo "libnut enabled            ${libnut-no}"
3399 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3400 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3401 echo "libopencv support         ${libopencv-no}"
3402 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3403 echo "libpulse enabled          ${libpulse-no}"
3404 echo "librtmp enabled           ${librtmp-no}"
3405 echo "libschroedinger enabled   ${libschroedinger-no}"
3406 echo "libspeex enabled          ${libspeex-no}"
3407 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3408 echo "libtheora enabled         ${libtheora-no}"
3409 echo "libutvideo enabled        ${libutvideo-no}"
3410 echo "libv4l2 enabled           ${libv4l2-no}"
3411 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3412 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3413 echo "libvorbis enabled         ${libvorbis-no}"
3414 echo "libvpx enabled            ${libvpx-no}"
3415 echo "libx264 enabled           ${libx264-no}"
3416 echo "libxavs enabled           ${libxavs-no}"
3417 echo "libxvid enabled           ${libxvid-no}"
3418 echo "openal enabled            ${openal-no}"
3419 echo "openssl enabled           ${openssl-no}"
3420 echo "zlib enabled              ${zlib-no}"
3421 echo "bzlib enabled             ${bzlib-no}"
3422 echo
3423
3424 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3425     echo "Enabled ${type}s:"
3426     eval list=\$$(toupper $type)_LIST
3427     print_enabled '_*' $list | sort | pr -r -3 -t
3428     echo
3429 done
3430
3431 license="LGPL version 2.1 or later"
3432 if enabled nonfree; then
3433     license="nonfree and unredistributable"
3434 elif enabled gplv3; then
3435     license="GPL version 3 or later"
3436 elif enabled lgplv3; then
3437     license="LGPL version 3 or later"
3438 elif enabled gpl; then
3439     license="GPL version 2 or later"
3440 fi
3441
3442 echo "License: $license"
3443
3444 echo "Creating config.mak and config.h..."
3445
3446 test -e Makefile || $ln_s "$source_path/Makefile" .
3447
3448 enabled stripping || strip="echo skipping strip"
3449
3450 config_files="$TMPH config.mak"
3451
3452 cat > config.mak <<EOF
3453 # Automatically generated by configure - do not modify!
3454 ifndef FFMPEG_CONFIG_MAK
3455 FFMPEG_CONFIG_MAK=1
3456 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3457 prefix=$prefix
3458 LIBDIR=\$(DESTDIR)$libdir
3459 SHLIBDIR=\$(DESTDIR)$shlibdir
3460 INCDIR=\$(DESTDIR)$incdir
3461 BINDIR=\$(DESTDIR)$bindir
3462 DATADIR=\$(DESTDIR)$datadir
3463 MANDIR=\$(DESTDIR)$mandir
3464 SRC_PATH=$source_path
3465 ifndef MAIN_MAKEFILE
3466 SRC_PATH:=\$(SRC_PATH:.%=..%)
3467 endif
3468 CC_IDENT=$cc_ident
3469 ARCH=$arch
3470 CC=$cc
3471 CXX=$cxx
3472 AS=$as
3473 LD=$ld
3474 DEPCC=$dep_cc
3475 YASM=$yasmexe
3476 YASMDEP=$yasmexe
3477 AR=$ar
3478 RANLIB=$ranlib
3479 CP=cp -p
3480 LN_S=$ln_s
3481 STRIP=$strip
3482 CPPFLAGS=$CPPFLAGS
3483 CFLAGS=$CFLAGS
3484 CXXFLAGS=$CXXFLAGS
3485 ASFLAGS=$ASFLAGS
3486 AS_O=$CC_O
3487 CC_O=$CC_O
3488 CXX_O=$CXX_O
3489 LDFLAGS=$LDFLAGS
3490 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3491 SHFLAGS=$SHFLAGS
3492 YASMFLAGS=$YASMFLAGS
3493 BUILDSUF=$build_suffix
3494 PROGSSUF=$progs_suffix
3495 FULLNAME=$FULLNAME
3496 LIBPREF=$LIBPREF
3497 LIBSUF=$LIBSUF
3498 LIBNAME=$LIBNAME
3499 SLIBPREF=$SLIBPREF
3500 SLIBSUF=$SLIBSUF
3501 EXESUF=$EXESUF
3502 EXTRA_VERSION=$extra_version
3503 DEPFLAGS=$DEPFLAGS
3504 CCDEP=$CCDEP
3505 CXXDEP=$CXXDEP
3506 ASDEP=$ASDEP
3507 CC_DEPFLAGS=$CC_DEPFLAGS
3508 AS_DEPFLAGS=$AS_DEPFLAGS
3509 HOSTCC=$host_cc
3510 HOSTCFLAGS=$host_cflags
3511 HOSTEXESUF=$HOSTEXESUF
3512 HOSTLDFLAGS=$host_ldflags
3513 HOSTLIBS=$host_libs
3514 TARGET_EXEC=$target_exec
3515 TARGET_PATH=$target_path
3516 SDL_LIBS=$sdl_libs
3517 SDL_CFLAGS=$sdl_cflags
3518 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3519 EXTRALIBS=$extralibs
3520 INSTALL=$install
3521 LIBTARGET=${LIBTARGET}
3522 SLIBNAME=${SLIBNAME}
3523 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3524 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3525 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3526 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3527 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3528 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3529 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3530 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3531 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3532 NOREDZONE_FLAGS=$noredzone_flags
3533 EOF
3534
3535 get_version(){
3536     name=$1
3537     file=$source_path/$2
3538     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3539     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3540     lcname=$(tolower $name)
3541     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3542     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3543 }
3544
3545 get_version LIBSWSCALE  libswscale/swscale.h
3546 get_version LIBSWRESAMPLE libswresample/swresample.h
3547 get_version LIBPOSTPROC libpostproc/postprocess.h
3548 get_version LIBAVCODEC  libavcodec/version.h
3549 get_version LIBAVDEVICE libavdevice/avdevice.h
3550 get_version LIBAVFORMAT libavformat/version.h
3551 get_version LIBAVUTIL   libavutil/avutil.h
3552 get_version LIBAVFILTER libavfilter/avfilter.h
3553
3554 cat > $TMPH <<EOF
3555 /* Automatically generated by configure - do not modify! */
3556 #ifndef FFMPEG_CONFIG_H
3557 #define FFMPEG_CONFIG_H
3558 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3559 #define FFMPEG_LICENSE "$(c_escape $license)"
3560 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3561 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3562 #define CC_TYPE "$cc_type"
3563 #define CC_VERSION $cc_version
3564 #define restrict $_restrict
3565 #define EXTERN_PREFIX "${extern_prefix}"
3566 #define EXTERN_ASM ${extern_prefix}
3567 #define SLIBSUF "$SLIBSUF"
3568 EOF
3569
3570 test -n "$malloc_prefix" &&
3571     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3572
3573 if enabled small || disabled optimizations; then
3574     echo "#undef  av_always_inline"  >> $TMPH
3575     if enabled small; then
3576         echo "#define av_always_inline inline"  >> $TMPH
3577     else
3578         echo "#define av_always_inline av_unused"  >> $TMPH
3579     fi
3580 fi
3581
3582 if enabled yasm; then
3583     append config_files $TMPASM
3584     printf '' >$TMPASM
3585 fi
3586
3587 print_config ARCH_   "$config_files" $ARCH_LIST
3588 print_config HAVE_   "$config_files" $HAVE_LIST
3589 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3590                                      $CONFIG_EXTRA      \
3591                                      $DECODER_LIST      \
3592                                      $ENCODER_LIST      \
3593                                      $HWACCEL_LIST      \
3594                                      $PARSER_LIST       \
3595                                      $BSF_LIST          \
3596                                      $DEMUXER_LIST      \
3597                                      $MUXER_LIST        \
3598                                      $FILTER_LIST       \
3599                                      $PROTOCOL_LIST     \
3600                                      $INDEV_LIST        \
3601                                      $OUTDEV_LIST       \
3602
3603 cat >>config.mak <<EOF
3604 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3605 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3606 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3607 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3608 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3609 EOF
3610
3611 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3612 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3613
3614 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3615 cp_if_changed $TMPH config.h
3616 touch .config
3617
3618 enabled yasm && cp_if_changed $TMPASM config.asm
3619
3620 cat > $TMPH <<EOF
3621 /* Generated by ffconf */
3622 #ifndef AVUTIL_AVCONFIG_H
3623 #define AVUTIL_AVCONFIG_H
3624 EOF
3625
3626 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3627
3628 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3629
3630 cp_if_changed $TMPH libavutil/avconfig.h
3631
3632 test -n "$WARNINGS" && printf "\n$WARNINGS"
3633
3634 # build pkg-config files
3635
3636 pkgconfig_generate(){
3637 name=$1
3638 shortname=${name#lib}${build_suffix}
3639 comment=$2
3640 version=$3
3641 libs=$4
3642 requires=$5
3643 enabled ${name#lib} || return 0
3644 mkdir -p $name
3645 cat <<EOF > $name/$name.pc
3646 prefix=$prefix
3647 exec_prefix=\${prefix}
3648 libdir=$libdir
3649 includedir=$incdir
3650
3651 Name: $name
3652 Description: $comment
3653 Version: $version
3654 Requires: $(enabled shared || echo $requires)
3655 Requires.private: $(enabled shared && echo $requires)
3656 Conflicts:
3657 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3658 Libs.private: $(enabled shared && echo $libs)
3659 Cflags: -I\${includedir}
3660 EOF
3661 cat <<EOF > $name/$name-uninstalled.pc
3662 prefix=
3663 exec_prefix=
3664 libdir=\${pcfiledir}
3665 includedir=${source_path}
3666
3667 Name: $name
3668 Description: $comment
3669 Version: $version
3670 Requires: $requires
3671 Conflicts:
3672 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3673 Cflags: -I\${includedir}
3674 EOF
3675 }
3676
3677 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3678 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3679 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3680 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3681 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3682 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3683 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3684 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"