smacker: remove av_clip_int16()
[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   --enable-avconv          enable  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   --disable-safe-bitstream-reader
120                            disable buffer boundary checking in bitreaders
121                            (faster, but may crash)
122   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
123   --disable-everything     disable all components listed below
124   --disable-encoder=NAME   disable encoder NAME
125   --enable-encoder=NAME    enable encoder NAME
126   --disable-encoders       disable all encoders
127   --disable-decoder=NAME   disable decoder NAME
128   --enable-decoder=NAME    enable decoder NAME
129   --disable-decoders       disable all decoders
130   --disable-hwaccel=NAME   disable hwaccel NAME
131   --enable-hwaccel=NAME    enable hwaccel NAME
132   --disable-hwaccels       disable all hwaccels
133   --disable-muxer=NAME     disable muxer NAME
134   --enable-muxer=NAME      enable muxer NAME
135   --disable-muxers         disable all muxers
136   --disable-demuxer=NAME   disable demuxer NAME
137   --enable-demuxer=NAME    enable demuxer NAME
138   --disable-demuxers       disable all demuxers
139   --enable-parser=NAME     enable parser NAME
140   --disable-parser=NAME    disable parser NAME
141   --disable-parsers        disable all parsers
142   --enable-bsf=NAME        enable bitstream filter NAME
143   --disable-bsf=NAME       disable bitstream filter NAME
144   --disable-bsfs           disable all bitstream filters
145   --enable-protocol=NAME   enable protocol NAME
146   --disable-protocol=NAME  disable protocol NAME
147   --disable-protocols      disable all protocols
148   --disable-indev=NAME     disable input device NAME
149   --disable-outdev=NAME    disable output device NAME
150   --disable-indevs         disable input devices
151   --disable-outdevs        disable output devices
152   --disable-devices        disable all devices
153   --enable-filter=NAME     enable filter NAME
154   --disable-filter=NAME    disable filter NAME
155   --disable-filters        disable all filters
156   --list-decoders          show all available decoders
157   --list-encoders          show all available encoders
158   --list-hwaccels          show all available hardware accelerators
159   --list-muxers            show all available muxers
160   --list-demuxers          show all available demuxers
161   --list-parsers           show all available parsers
162   --list-protocols         show all available protocols
163   --list-bsfs              show all available bitstream filters
164   --list-indevs            show all available input devices
165   --list-outdevs           show all available output devices
166   --list-filters           show all available filters
167
168 External library support:
169   --enable-avisynth        enable reading of AVISynth script files [no]
170   --enable-bzlib           enable bzlib [autodetect]
171   --enable-frei0r          enable frei0r video filtering
172   --enable-gnutls          enable gnutls [no]
173   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
174   --enable-libass          enable libass subtitles rendering [no]
175   --enable-libcelt         enable CELT decoding via libcelt [no]
176   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
177   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
178   --enable-libopencv       enable video filtering via libopencv [no]
179   --enable-libcdio         enable audio CD grabbing with libcdio
180   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
181                            and libraw1394 [no]
182   --enable-libdirac        enable Dirac support via libdirac [no]
183   --enable-libfaac         enable FAAC support via libfaac [no]
184   --enable-libfreetype     enable libfreetype [no]
185   --enable-libgsm          enable GSM support via libgsm [no]
186   --enable-libmodplug      enable ModPlug via libmodplug [no]
187   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
188   --enable-libnut          enable NUT (de)muxing via libnut,
189                            native (de)muxer exists [no]
190   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
191   --enable-libpulse        enable Pulseaudio input via libpulse [no]
192   --enable-librtmp         enable RTMP[E] support via librtmp [no]
193   --enable-libschroedinger enable Dirac support via libschroedinger [no]
194   --enable-libspeex        enable Speex support via libspeex [no]
195   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
196   --enable-libtheora       enable Theora encoding via libtheora [no]
197   --enable-libutvideo      enable Ut Video decoding via libutvideo [no]
198   --enable-libv4l2         enable libv4l2/v4l-utils [no]
199   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
200   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
201   --enable-libvorbis       enable Vorbis encoding via libvorbis,
202                            native implementation exists [no]
203   --enable-libvpx          enable VP8 support via libvpx [no]
204   --enable-libx264         enable H.264 encoding via x264 [no]
205   --enable-libxavs         enable AVS encoding via xavs [no]
206   --enable-libxvid         enable Xvid encoding via xvidcore,
207                            native MPEG-4/Xvid encoder exists [no]
208   --enable-openal          enable OpenAL 1.1 capture support [no]
209   --enable-mlib            enable Sun medialib [no]
210   --enable-openssl         enable openssl [no]
211   --enable-zlib            enable zlib [autodetect]
212
213 Advanced options (experts only):
214   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
215   --enable-cross-compile   assume a cross-compiler is used
216   --sysroot=PATH           root of cross-build tree
217   --sysinclude=PATH        location of cross-build system headers
218   --target-os=OS           compiler targets OS [$target_os]
219   --target-exec=CMD        command to run executables on target
220   --target-path=DIR        path to view of build directory on target
221   --nm=NM                  use nm tool
222   --ar=AR                  use archive tool AR [$ar_default]
223   --as=AS                  use assembler AS [$as_default]
224   --cc=CC                  use C compiler CC [$cc_default]
225   --cxx=CXX                use C compiler CXX [$cxx_default]
226   --ld=LD                  use linker LD
227   --host-cc=HOSTCC         use host C compiler HOSTCC
228   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
229   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
230   --host-libs=HLIBS        use libs HLIBS when linking for host
231   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
232   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
233   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
234   --extra-libs=ELIBS       add ELIBS [$ELIBS]
235   --extra-version=STRING   version string suffix []
236   --build-suffix=SUFFIX    library name suffix []
237   --progs-suffix=SUFFIX    program name suffix []
238   --arch=ARCH              select architecture [$arch]
239   --cpu=CPU                select the minimum required CPU (affects
240                            instruction selection, may crash on older CPUs)
241   --disable-asm            disable all assembler optimizations
242   --disable-altivec        disable AltiVec optimizations
243   --disable-amd3dnow       disable 3DNow! optimizations
244   --disable-amd3dnowext    disable 3DNow! extended optimizations
245   --disable-mmx            disable MMX optimizations
246   --disable-mmx2           disable MMX2 optimizations
247   --disable-sse            disable SSE optimizations
248   --disable-ssse3          disable SSSE3 optimizations
249   --disable-avx            disable AVX optimizations
250   --disable-armv5te        disable armv5te optimizations
251   --disable-armv6          disable armv6 optimizations
252   --disable-armv6t2        disable armv6t2 optimizations
253   --disable-armvfp         disable ARM VFP optimizations
254   --disable-iwmmxt         disable iwmmxt optimizations
255   --disable-mmi            disable MMI optimizations
256   --disable-neon           disable neon optimizations
257   --disable-vis            disable VIS optimizations
258   --disable-yasm           disable use of yasm assembler
259   --enable-pic             build position-independent code
260   --malloc-prefix=PFX      prefix malloc and related names with PFX
261   --enable-sram            allow use of on-chip SRAM
262   --disable-symver         disable symbol versioning
263   --optflags               override optimization-related compiler flags
264
265 Developer options (useful when working on FFmpeg itself):
266   --enable-coverage        build with test coverage instrumentation
267   --disable-debug          disable debugging symbols
268   --enable-debug=LEVEL     set the debug level [$debuglevel]
269   --disable-optimizations  disable compiler optimizations
270   --enable-extra-warnings  enable more compiler warnings
271   --disable-stripping      disable stripping of executables and shared libraries
272   --samples=PATH           location of test samples for FATE, if not set use
273                            \$FATE_SAMPLES at make invocation time.
274
275 NOTE: Object files are built at the place where configure is launched.
276 EOF
277   exit 0
278 }
279
280 quotes='""'
281
282 log(){
283     echo "$@" >> $logfile
284 }
285
286 log_file(){
287     log BEGIN $1
288     pr -n -t $1 >> $logfile
289     log END $1
290 }
291
292 echolog(){
293     log "$@"
294     echo "$@"
295 }
296
297 warn(){
298     log "WARNING: $*"
299     WARNINGS="${WARNINGS}WARNING: $*\n"
300 }
301
302 die(){
303     echolog "$@"
304     cat <<EOF
305
306 If you think configure made a mistake, make sure you are using the latest
307 version from Git.  If the latest version fails, report the problem to the
308 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
309 EOF
310     if disabled logging; then
311         cat <<EOF
312 Rerun configure with logging enabled (do not use --disable-logging), and
313 include the log this produces with your report.
314 EOF
315     else
316 cat <<EOF
317 Include the log file "$logfile" produced by configure as this will help
318 solving the problem.
319 EOF
320     fi
321     exit 1
322 }
323
324 # Avoid locale weirdness, besides we really just want to translate ASCII.
325 toupper(){
326     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
327 }
328
329 tolower(){
330     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
331 }
332
333 c_escape(){
334     echo "$*" | sed 's/["\\]/\\\0/g'
335 }
336
337 sh_quote(){
338     v=$(echo "$1" | sed "s/'/'\\\\''/g")
339     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
340     echo "$v"
341 }
342
343 cleanws(){
344     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
345 }
346
347 filter(){
348     pat=$1
349     shift
350     for v; do
351         eval "case $v in $pat) echo $v ;; esac"
352     done
353 }
354
355 filter_out(){
356     pat=$1
357     shift
358     for v; do
359         eval "case $v in $pat) ;; *) echo $v ;; esac"
360     done
361 }
362
363 map(){
364     m=$1
365     shift
366     for v; do eval $m; done
367 }
368
369 set_all(){
370     value=$1
371     shift
372     for var in $*; do
373         eval $var=$value
374     done
375 }
376
377 set_weak(){
378     value=$1
379     shift
380     for var; do
381         eval : \${$var:=$value}
382     done
383 }
384
385 set_safe(){
386     var=$1
387     shift
388     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
389 }
390
391 get_safe(){
392     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
393 }
394
395 pushvar(){
396     for var in $*; do
397         eval level=\${${var}_level:=0}
398         eval ${var}_${level}="\$$var"
399         eval ${var}_level=$(($level+1))
400     done
401 }
402
403 popvar(){
404     for var in $*; do
405         eval level=\${${var}_level:-0}
406         test $level = 0 && continue
407         eval level=$(($level-1))
408         eval $var="\${${var}_${level}}"
409         eval ${var}_level=$level
410         eval unset ${var}_${level}
411     done
412 }
413
414 enable(){
415     set_all yes $*
416 }
417
418 disable(){
419     set_all no $*
420 }
421
422 enable_weak(){
423     set_weak yes $*
424 }
425
426 disable_weak(){
427     set_weak no $*
428 }
429
430 enable_safe(){
431     for var; do
432         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
433     done
434 }
435
436 disable_safe(){
437     for var; do
438         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
439     done
440 }
441
442 do_enable_deep(){
443     for var; do
444         enabled $var && continue
445         eval sel="\$${var}_select"
446         eval sgs="\$${var}_suggest"
447         pushvar var sgs
448         enable_deep $sel
449         popvar sgs
450         enable_deep_weak $sgs
451         popvar var
452     done
453 }
454
455 enable_deep(){
456     do_enable_deep $*
457     enable $*
458 }
459
460 enable_deep_weak(){
461     do_enable_deep $*
462     enable_weak $*
463 }
464
465 enabled(){
466     test "${1#!}" = "$1" && op== || op=!=
467     eval test "x\$${1#!}" $op "xyes"
468 }
469
470 disabled(){
471     test "${1#!}" = "$1" && op== || op=!=
472     eval test "x\$${1#!}" $op "xno"
473 }
474
475 enabled_all(){
476     for opt; do
477         enabled $opt || return 1
478     done
479 }
480
481 disabled_all(){
482     for opt; do
483         disabled $opt || return 1
484     done
485 }
486
487 enabled_any(){
488     for opt; do
489         enabled $opt && return 0
490     done
491 }
492
493 disabled_any(){
494     for opt; do
495         disabled $opt && return 0
496     done
497     return 1
498 }
499
500 set_default(){
501     for opt; do
502         eval : \${$opt:=\$${opt}_default}
503     done
504 }
505
506 is_in(){
507     value=$1
508     shift
509     for var in $*; do
510         [ $var = $value ] && return 0
511     done
512     return 1
513 }
514
515 check_deps(){
516     for cfg; do
517         cfg="${cfg#!}"
518         enabled ${cfg}_checking && die "Circular dependency for $cfg."
519         disabled ${cfg}_checking && continue
520         enable ${cfg}_checking
521
522         eval dep_all="\$${cfg}_deps"
523         eval dep_any="\$${cfg}_deps_any"
524         eval dep_sel="\$${cfg}_select"
525         eval dep_sgs="\$${cfg}_suggest"
526         eval dep_ifa="\$${cfg}_if"
527         eval dep_ifn="\$${cfg}_if_any"
528
529         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
530         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
531         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
532
533         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
534         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
535         enabled_all  $dep_all || disable $cfg
536         enabled_any  $dep_any || disable $cfg
537         disabled_any $dep_sel && disable $cfg
538
539         if enabled $cfg; then
540             eval dep_extralibs="\$${cfg}_extralibs"
541             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
542             enable_deep $dep_sel
543             enable_deep_weak $dep_sgs
544         fi
545
546         disable ${cfg}_checking
547     done
548 }
549
550 print_config_h(){
551     enabled $1 && v=1 || v=0
552     echo "#define $2 $v"
553 }
554
555 print_config_mak(){
556     enabled $1 && v= || v=!
557     echo "$v$2=yes"
558 }
559
560 print_config_asm(){
561     enabled $1 && echo "%define $2"
562 }
563
564 print_config(){
565     pfx=$1
566     files=$2
567     shift 2
568     for cfg; do
569         ucname="$(toupper $cfg)"
570         for f in $files; do
571             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
572         done
573     done
574 }
575
576 print_enabled(){
577     test "$1" = -n && end=" " && shift || end="\n"
578     suf=$1
579     shift
580     for v; do
581         enabled $v && printf "%s$end" ${v%$suf};
582     done
583 }
584
585 append(){
586     var=$1
587     shift
588     eval "$var=\"\$$var $*\""
589 }
590
591 prepend(){
592     var=$1
593     shift
594     eval "$var=\"$* \$$var\""
595 }
596
597 add_cppflags(){
598     append CPPFLAGS $($filter_cppflags "$@")
599 }
600
601 add_cflags(){
602     append CFLAGS $($filter_cflags "$@")
603 }
604
605 add_cxxflags(){
606     append CXXFLAGS $($filter_cflags "$@")
607 }
608
609 add_asflags(){
610     append ASFLAGS $($filter_asflags "$@")
611 }
612
613 add_ldflags(){
614     append LDFLAGS "$@"
615 }
616
617 add_extralibs(){
618     prepend extralibs "$@"
619 }
620
621 check_cmd(){
622     log "$@"
623     "$@" >> $logfile 2>&1
624 }
625
626 check_cc(){
627     log check_cc "$@"
628     cat > $TMPC
629     log_file $TMPC
630     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
631 }
632
633 check_cxx(){
634     log check_cxx "$@"
635     cat > $TMPCPP
636     log_file $TMPCPP
637     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
638 }
639
640 check_cpp(){
641     log check_cpp "$@"
642     cat > $TMPC
643     log_file $TMPC
644     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
645 }
646
647 check_as(){
648     log check_as "$@"
649     cat > $TMPC
650     log_file $TMPC
651     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
652 }
653
654 check_asm(){
655     log check_asm "$@"
656     name="$1"
657     code="$2"
658     shift 2
659     disable $name
660     check_as "$@" <<EOF && enable $name
661 void foo(void){ __asm__ volatile($code); }
662 EOF
663 }
664
665 check_yasm(){
666     log check_yasm "$@"
667     echo "$1" > $TMPS
668     log_file $TMPS
669     shift 1
670     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
671 }
672
673 check_ld(){
674     log check_ld "$@"
675     type=$1
676     shift 1
677     flags=''
678     libs=''
679     for f; do
680         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
681     done
682     check_$type $($filter_cflags $flags) || return
683     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
684 }
685
686 check_cppflags(){
687     log check_cppflags "$@"
688     set -- $($filter_cppflags "$@")
689     check_cc "$@" <<EOF && append CPPFLAGS "$@"
690 int x;
691 EOF
692 }
693
694 check_cflags(){
695     log check_cflags "$@"
696     set -- $($filter_cflags "$@")
697     check_cc "$@" <<EOF && append CFLAGS "$@"
698 int x;
699 EOF
700 }
701
702 check_cxxflags(){
703     log check_cxxflags "$@"
704     set -- $($filter_cflags "$@")
705     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
706 int x;
707 EOF
708 }
709
710 test_ldflags(){
711     log test_ldflags "$@"
712     check_ld "cc" "$@" <<EOF
713 int main(void){ return 0; }
714 EOF
715 }
716
717 check_ldflags(){
718     log check_ldflags "$@"
719     test_ldflags "$@" && add_ldflags "$@"
720 }
721
722 check_header(){
723     log check_header "$@"
724     header=$1
725     shift
726     disable_safe $header
727     check_cpp "$@" <<EOF && enable_safe $header
728 #include <$header>
729 int x;
730 EOF
731 }
732
733 check_func(){
734     log check_func "$@"
735     func=$1
736     shift
737     disable $func
738     check_ld "cc" "$@" <<EOF && enable $func
739 extern int $func();
740 int main(void){ $func(); }
741 EOF
742 }
743
744 check_mathfunc(){
745     log check_mathfunc "$@"
746     func=$1
747     shift
748     disable $func
749     check_ld "cc" "$@" <<EOF && enable $func
750 #include <math.h>
751 float foo(float f) { return $func(f); }
752 int main(void){ return (int) foo; }
753 EOF
754 }
755
756 check_func_headers(){
757     log check_func_headers "$@"
758     headers=$1
759     funcs=$2
760     shift 2
761     {
762         for hdr in $headers; do
763             echo "#include <$hdr>"
764         done
765         for func in $funcs; do
766             echo "long check_$func(void) { return (long) $func; }"
767         done
768         echo "int main(void) { return 0; }"
769     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
770 }
771
772 check_class_headers_cpp(){
773     log check_class_headers_cpp "$@"
774     headers=$1
775     classes=$2
776     shift 2
777     {
778         for hdr in $headers; do
779             echo "#include <$hdr>"
780         done
781         echo "int main(void) { "
782         i=1
783         for class in $classes; do
784             echo "$class obj$i;"
785             i=$(expr $i + 1)
786         done
787         echo "return 0; }"
788     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
789 }
790
791 check_cpp_condition(){
792     log check_cpp_condition "$@"
793     header=$1
794     condition=$2
795     shift 2
796     check_cpp $($filter_cppflags "$@") <<EOF
797 #include <$header>
798 #if !($condition)
799 #error "unsatisfied condition: $condition"
800 #endif
801 EOF
802 }
803
804 check_lib(){
805     log check_lib "$@"
806     header="$1"
807     func="$2"
808     shift 2
809     check_header $header && check_func $func "$@" && add_extralibs "$@"
810 }
811
812 check_lib2(){
813     log check_lib2 "$@"
814     headers="$1"
815     funcs="$2"
816     shift 2
817     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
818 }
819
820 check_lib_cpp(){
821     log check_lib_cpp "$@"
822     headers="$1"
823     classes="$2"
824     shift 2
825     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
826 }
827
828 check_pkg_config(){
829     log check_pkg_config "$@"
830     pkg="$1"
831     headers="$2"
832     funcs="$3"
833     shift 3
834     $pkg_config --exists $pkg 2>/dev/null || return
835     pkg_cflags=$($pkg_config --cflags $pkg)
836     pkg_libs=$($pkg_config --libs $pkg)
837     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
838         set_safe ${pkg}_cflags $pkg_cflags   &&
839         set_safe ${pkg}_libs   $pkg_libs
840 }
841
842 check_exec(){
843     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
844 }
845
846 check_exec_crash(){
847     code=$(cat)
848
849     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
850     # are safe but may not be available everywhere.  Thus we use
851     # raise(SIGTERM) instead.  The check is run in a subshell so we
852     # can redirect the "Terminated" message from the shell.  SIGBUS
853     # is not defined by standard C so it is used conditionally.
854
855     (check_exec "$@") >> $logfile 2>&1 <<EOF
856 #include <signal.h>
857 static void sighandler(int sig){
858     raise(SIGTERM);
859 }
860 int func(void){
861     $code
862 }
863 int main(void){
864     signal(SIGILL, sighandler);
865     signal(SIGFPE, sighandler);
866     signal(SIGSEGV, sighandler);
867 #ifdef SIGBUS
868     signal(SIGBUS, sighandler);
869 #endif
870     return func();
871 }
872 EOF
873 }
874
875 check_type(){
876     log check_type "$@"
877     headers=$1
878     type=$2
879     shift 2
880     disable_safe "$type"
881     incs=""
882     for hdr in $headers; do
883         incs="$incs
884 #include <$hdr>"
885     done
886     check_cc "$@" <<EOF && enable_safe "$type"
887 $incs
888 $type v;
889 EOF
890 }
891
892 check_struct(){
893     log check_type "$@"
894     headers=$1
895     struct=$2
896     member=$3
897     shift 3
898     disable_safe "${struct}_${member}"
899     incs=""
900     for hdr in $headers; do
901         incs="$incs
902 #include <$hdr>"
903     done
904     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
905 $incs
906 const void *p = &(($struct *)0)->$member;
907 EOF
908 }
909
910 require(){
911     name="$1"
912     header="$2"
913     func="$3"
914     shift 3
915     check_lib $header $func "$@" || die "ERROR: $name not found"
916 }
917
918 require2(){
919     name="$1"
920     headers="$2"
921     func="$3"
922     shift 3
923     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
924 }
925
926 require_cpp(){
927     name="$1"
928     headers="$2"
929     classes="$3"
930     shift 3
931     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
932 }
933
934 require_pkg_config(){
935     pkg="$1"
936     check_pkg_config "$@" || die "ERROR: $pkg not found"
937     add_cflags    $(get_safe ${pkg}_cflags)
938     add_extralibs $(get_safe ${pkg}_libs)
939 }
940
941 check_host_cc(){
942     log check_host_cc "$@"
943     cat > $TMPC
944     log_file $TMPC
945     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
946 }
947
948 check_host_cflags(){
949     log check_host_cflags "$@"
950     check_host_cc "$@" <<EOF && append host_cflags "$@"
951 int x;
952 EOF
953 }
954
955 apply(){
956     file=$1
957     shift
958     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
959 }
960
961 cp_if_changed(){
962     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
963     mkdir -p "$(dirname $2)"
964     cp -f "$1" "$2"
965 }
966
967 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
968 # system-dependent things.
969
970 COMPONENT_LIST="
971     bsfs
972     decoders
973     demuxers
974     encoders
975     filters
976     hwaccels
977     indevs
978     muxers
979     outdevs
980     parsers
981     protocols
982 "
983
984 CONFIG_LIST="
985     $COMPONENT_LIST
986     aandct
987     ac3dsp
988     avcodec
989     avdevice
990     avfilter
991     avformat
992     avisynth
993     bzlib
994     crystalhd
995     dct
996     doc
997     dwt
998     dxva2
999     fastdiv
1000     ffmpeg
1001     avconv
1002     ffplay
1003     ffprobe
1004     ffserver
1005     fft
1006     frei0r
1007     gnutls
1008     golomb
1009     gpl
1010     gray
1011     h264dsp
1012     h264pred
1013     hardcoded_tables
1014     huffman
1015     libaacplus
1016     libass
1017     libcdio
1018     libcelt
1019     libdc1394
1020     libdirac
1021     libfaac
1022     libfreetype
1023     libgsm
1024     libmodplug
1025     libmp3lame
1026     libnut
1027     libopencore_amrnb
1028     libopencore_amrwb
1029     libopencv
1030     libopenjpeg
1031     libpulse
1032     librtmp
1033     libschroedinger
1034     libspeex
1035     libstagefright_h264
1036     libtheora
1037     libutvideo
1038     libv4l2
1039     libvo_aacenc
1040     libvo_amrwbenc
1041     libvorbis
1042     libvpx
1043     libx264
1044     libxavs
1045     libxvid
1046     lpc
1047     lsp
1048     mdct
1049     memalign_hack
1050     mlib
1051     mpegaudiodsp
1052     network
1053     nonfree
1054     openal
1055     openssl
1056     pic
1057     postproc
1058     rdft
1059     rtpdec
1060     runtime_cpudetect
1061     safe_bitstream_reader
1062     shared
1063     sinewin
1064     small
1065     sram
1066     static
1067     swresample
1068     swscale
1069     swscale_alpha
1070     thumb
1071     vaapi
1072     vda
1073     vdpau
1074     version3
1075     x11grab
1076     zlib
1077 "
1078
1079 THREADS_LIST='
1080     pthreads
1081     w32threads
1082     os2threads
1083 '
1084
1085 ARCH_LIST='
1086     alpha
1087     arm
1088     avr32
1089     avr32_ap
1090     avr32_uc
1091     bfin
1092     ia64
1093     m68k
1094     mips
1095     mips64
1096     parisc
1097     ppc
1098     ppc64
1099     s390
1100     sh4
1101     sparc
1102     sparc64
1103     tomi
1104     x86
1105     x86_32
1106     x86_64
1107 '
1108
1109 ARCH_EXT_LIST='
1110     altivec
1111     amd3dnow
1112     amd3dnowext
1113     armv5te
1114     armv6
1115     armv6t2
1116     armvfp
1117     avx
1118     iwmmxt
1119     mmi
1120     mmx
1121     mmx2
1122     neon
1123     ppc4xx
1124     sse
1125     ssse3
1126     vfpv3
1127     vis
1128 '
1129
1130 HAVE_LIST_PUB='
1131     bigendian
1132     fast_unaligned
1133 '
1134
1135 HAVE_LIST="
1136     $ARCH_EXT_LIST
1137     $HAVE_LIST_PUB
1138     $THREADS_LIST
1139     aligned_stack
1140     alsa_asoundlib_h
1141     altivec_h
1142     arpa_inet_h
1143     asm_mod_y
1144     asm_types_h
1145     attribute_may_alias
1146     attribute_packed
1147     bswap
1148     cbrtf
1149     closesocket
1150     cmov
1151     dcbzl
1152     dev_bktr_ioctl_bt848_h
1153     dev_bktr_ioctl_meteor_h
1154     dev_ic_bt8xx_h
1155     dev_video_meteor_ioctl_meteor_h
1156     dev_video_bktr_ioctl_bt848_h
1157     dlfcn_h
1158     dlopen
1159     dos_paths
1160     dxva_h
1161     ebp_available
1162     ebx_available
1163     exp2
1164     exp2f
1165     fast_64bit
1166     fast_clz
1167     fast_cmov
1168     fcntl
1169     fork
1170     getaddrinfo
1171     gethrtime
1172     GetProcessMemoryInfo
1173     GetProcessTimes
1174     getrusage
1175     gnu_as
1176     struct_rusage_ru_maxrss
1177     ibm_asm
1178     inet_aton
1179     inline_asm
1180     isatty
1181     kbhit
1182     ldbrx
1183     llrint
1184     llrintf
1185     local_aligned_16
1186     local_aligned_8
1187     localtime_r
1188     log2
1189     log2f
1190     loongson
1191     lrint
1192     lrintf
1193     lzo1x_999_compress
1194     machine_ioctl_bt848_h
1195     machine_ioctl_meteor_h
1196     malloc_h
1197     MapViewOfFile
1198     memalign
1199     mkstemp
1200     mmap
1201     PeekNamedPipe
1202     posix_memalign
1203     round
1204     roundf
1205     sdl
1206     sdl_video_size
1207     setmode
1208     sndio_h
1209     socklen_t
1210     soundcard_h
1211     poll_h
1212     setrlimit
1213     strerror_r
1214     strptime
1215     struct_addrinfo
1216     struct_ipv6_mreq
1217     struct_sockaddr_in6
1218     struct_sockaddr_sa_len
1219     struct_sockaddr_storage
1220     symver
1221     symver_gnu_asm
1222     symver_asm_label
1223     sys_mman_h
1224     sys_resource_h
1225     sys_select_h
1226     sys_soundcard_h
1227     sys_videoio_h
1228     termios_h
1229     threads
1230     trunc
1231     truncf
1232     vfp_args
1233     VirtualAlloc
1234     winsock2_h
1235     xform_asm
1236     xmm_clobbers
1237     yasm
1238 "
1239
1240 # options emitted with CONFIG_ prefix but not available on command line
1241 CONFIG_EXTRA="
1242     avutil
1243     gplv3
1244     lgplv3
1245 "
1246
1247 CMDLINE_SELECT="
1248     $ARCH_EXT_LIST
1249     $CONFIG_LIST
1250     $THREADS_LIST
1251     asm
1252     coverage
1253     cross_compile
1254     debug
1255     extra_warnings
1256     logging
1257     optimizations
1258     stripping
1259     symver
1260     yasm
1261 "
1262
1263 PATHS_LIST='
1264     bindir
1265     datadir
1266     incdir
1267     libdir
1268     mandir
1269     prefix
1270     shlibdir
1271 '
1272
1273 CMDLINE_SET="
1274     $PATHS_LIST
1275     ar
1276     arch
1277     as
1278     build_suffix
1279     progs_suffix
1280     cc
1281     cpu
1282     cross_prefix
1283     cxx
1284     dep_cc
1285     extra_version
1286     host_cc
1287     host_cflags
1288     host_ldflags
1289     host_libs
1290     host_os
1291     install
1292     ld
1293     logfile
1294     malloc_prefix
1295     nm
1296     optflags
1297     pkg_config
1298     samples
1299     strip
1300     sysinclude
1301     sysroot
1302     target_exec
1303     target_os
1304     target_path
1305 "
1306
1307 CMDLINE_APPEND="
1308     extra_cflags
1309     extra_cxxflags
1310 "
1311
1312 # code dependency declarations
1313
1314 # architecture extensions
1315
1316 armv5te_deps="arm"
1317 armv6_deps="arm"
1318 armv6t2_deps="arm"
1319 armvfp_deps="arm"
1320 iwmmxt_deps="arm"
1321 neon_deps="arm"
1322 vfpv3_deps="armvfp"
1323
1324 mmi_deps="mips"
1325
1326 altivec_deps="ppc"
1327 ppc4xx_deps="ppc"
1328
1329 vis_deps="sparc"
1330
1331 x86_64_suggest="cmov fast_cmov"
1332 amd3dnow_deps="mmx"
1333 amd3dnowext_deps="amd3dnow"
1334 mmx_deps="x86"
1335 mmx2_deps="mmx"
1336 sse_deps="mmx"
1337 ssse3_deps="sse"
1338 avx_deps="ssse3"
1339
1340 aligned_stack_if_any="ppc x86"
1341 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1342 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1343 fast_unaligned_if_any="armv6 ppc x86"
1344
1345 need_memalign="altivec neon sse"
1346 inline_asm_deps="!tms470"
1347
1348 symver_if_any="symver_asm_label symver_gnu_asm"
1349
1350 # subsystems
1351 dct_select="rdft"
1352 mdct_select="fft"
1353 rdft_select="fft"
1354 mpegaudiodsp_select="dct"
1355
1356 # decoders / encoders / hardware accelerators
1357 aac_decoder_select="mdct sinewin"
1358 aac_encoder_select="mdct sinewin"
1359 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1360 ac3_decoder_select="mdct ac3dsp ac3_parser"
1361 ac3_encoder_select="mdct ac3dsp"
1362 ac3_fixed_encoder_select="mdct ac3dsp"
1363 alac_encoder_select="lpc"
1364 amrnb_decoder_select="lsp"
1365 amrwb_decoder_select="lsp"
1366 atrac1_decoder_select="mdct sinewin"
1367 atrac3_decoder_select="mdct"
1368 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1369 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1370 cavs_decoder_select="golomb"
1371 cook_decoder_select="mdct sinewin"
1372 cscd_decoder_suggest="zlib"
1373 dca_decoder_select="mdct"
1374 dnxhd_encoder_select="aandct"
1375 dxa_decoder_select="zlib"
1376 eac3_decoder_select="ac3_decoder"
1377 eac3_encoder_select="mdct ac3dsp"
1378 eamad_decoder_select="aandct"
1379 eatgq_decoder_select="aandct"
1380 eatqi_decoder_select="aandct"
1381 ffv1_decoder_select="golomb"
1382 flac_decoder_select="golomb"
1383 flac_encoder_select="golomb lpc"
1384 flashsv_decoder_select="zlib"
1385 flashsv_encoder_select="zlib"
1386 flashsv2_encoder_select="zlib"
1387 flashsv2_decoder_select="zlib"
1388 flv_decoder_select="h263_decoder"
1389 flv_encoder_select="h263_encoder"
1390 fraps_decoder_select="huffman"
1391 h261_encoder_select="aandct"
1392 h263_decoder_select="h263_parser"
1393 h263_encoder_select="aandct"
1394 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1395 h263i_decoder_select="h263_decoder"
1396 h263p_encoder_select="h263_encoder"
1397 h264_decoder_select="golomb h264dsp h264pred"
1398 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1399 h264_dxva2_hwaccel_deps="dxva2api_h"
1400 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1401 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1402 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1403 h264_vda_hwaccel_select="vda h264_decoder"
1404 h264_vdpau_decoder_select="vdpau h264_decoder"
1405 imc_decoder_select="fft mdct sinewin"
1406 jpegls_decoder_select="golomb"
1407 jpegls_encoder_select="golomb"
1408 ljpeg_encoder_select="aandct"
1409 loco_decoder_select="golomb"
1410 mjpeg_encoder_select="aandct"
1411 mlp_decoder_select="mlp_parser"
1412 mp1_decoder_select="mpegaudiodsp"
1413 mp2_decoder_select="mpegaudiodsp"
1414 mp3adu_decoder_select="mpegaudiodsp"
1415 mp3_decoder_select="mpegaudiodsp"
1416 mp3on4_decoder_select="mpegaudiodsp"
1417 mp1float_decoder_select="mpegaudiodsp"
1418 mp2float_decoder_select="mpegaudiodsp"
1419 mp3adufloat_decoder_select="mpegaudiodsp"
1420 mp3float_decoder_select="mpegaudiodsp"
1421 mp3on4float_decoder_select="mpegaudiodsp"
1422 mpeg1video_encoder_select="aandct"
1423 mpeg2video_encoder_select="aandct"
1424 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1425 mpeg4_encoder_select="h263_encoder"
1426 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1427 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1428 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1429 mpeg2_crystalhd_decoder_select="crystalhd"
1430 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1431 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1432 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1433 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1434 mpeg4_crystalhd_decoder_select="crystalhd"
1435 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1436 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1437 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1438 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1439 msmpeg4_crystalhd_decoder_select="crystalhd"
1440 msmpeg4v1_decoder_select="h263_decoder"
1441 msmpeg4v1_encoder_select="h263_encoder"
1442 msmpeg4v2_decoder_select="h263_decoder"
1443 msmpeg4v2_encoder_select="h263_encoder"
1444 msmpeg4v3_decoder_select="h263_decoder"
1445 msmpeg4v3_encoder_select="h263_encoder"
1446 nellymoser_decoder_select="mdct sinewin"
1447 nellymoser_encoder_select="mdct sinewin"
1448 png_decoder_select="zlib"
1449 png_encoder_select="zlib"
1450 qcelp_decoder_select="lsp"
1451 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1452 ra_144_encoder_select="lpc"
1453 rv10_decoder_select="h263_decoder"
1454 rv10_encoder_select="h263_encoder"
1455 rv20_decoder_select="h263_decoder"
1456 rv20_encoder_select="h263_encoder"
1457 rv30_decoder_select="golomb h264pred"
1458 rv40_decoder_select="golomb h264pred"
1459 shorten_decoder_select="golomb"
1460 sipr_decoder_select="lsp"
1461 snow_decoder_select="dwt"
1462 snow_encoder_select="aandct dwt"
1463 sonic_decoder_select="golomb"
1464 sonic_encoder_select="golomb"
1465 sonic_ls_encoder_select="golomb"
1466 svq1_encoder_select="aandct"
1467 svq3_decoder_select="golomb h264dsp h264pred"
1468 svq3_decoder_suggest="zlib"
1469 theora_decoder_select="vp3_decoder"
1470 tiff_decoder_suggest="zlib"
1471 tiff_encoder_suggest="zlib"
1472 truehd_decoder_select="mlp_decoder"
1473 tscc_decoder_select="zlib"
1474 twinvq_decoder_select="mdct lsp sinewin"
1475 vc1_decoder_select="h263_decoder"
1476 vc1_crystalhd_decoder_select="crystalhd"
1477 vc1_dxva2_hwaccel_deps="dxva2api_h"
1478 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1479 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1480 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1481 vc1image_decoder_select="vc1_decoder"
1482 vorbis_decoder_select="mdct"
1483 vorbis_encoder_select="mdct"
1484 vp6_decoder_select="huffman"
1485 vp6a_decoder_select="vp6_decoder"
1486 vp6f_decoder_select="vp6_decoder"
1487 vp8_decoder_select="h264pred"
1488 wmapro_decoder_select="mdct sinewin"
1489 wmav1_decoder_select="mdct sinewin"
1490 wmav1_encoder_select="mdct sinewin"
1491 wmav2_decoder_select="mdct sinewin"
1492 wmav2_encoder_select="mdct sinewin"
1493 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1494 wmv1_decoder_select="h263_decoder"
1495 wmv1_encoder_select="h263_encoder"
1496 wmv2_decoder_select="h263_decoder"
1497 wmv2_encoder_select="h263_encoder"
1498 wmv3_decoder_select="vc1_decoder"
1499 wmv3_crystalhd_decoder_select="crystalhd"
1500 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1501 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1502 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1503 wmv3image_decoder_select="wmv3_decoder"
1504 zlib_decoder_select="zlib"
1505 zlib_encoder_select="zlib"
1506 zmbv_decoder_select="zlib"
1507 zmbv_encoder_select="zlib"
1508
1509 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1510 vaapi_deps="va_va_h"
1511 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1512 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1513
1514 # parsers
1515 h264_parser_select="golomb h264dsp h264pred"
1516
1517 # external libraries
1518 libaacplus_encoder_deps="libaacplus"
1519 libcelt_decoder_deps="libcelt"
1520 libdirac_decoder_deps="libdirac !libschroedinger"
1521 libdirac_encoder_deps="libdirac"
1522 libfaac_encoder_deps="libfaac"
1523 libgsm_decoder_deps="libgsm"
1524 libgsm_encoder_deps="libgsm"
1525 libgsm_ms_decoder_deps="libgsm"
1526 libgsm_ms_encoder_deps="libgsm"
1527 libmodplug_demuxer_deps="libmodplug"
1528 libmp3lame_encoder_deps="libmp3lame"
1529 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1530 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1531 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1532 libopenjpeg_decoder_deps="libopenjpeg"
1533 libopenjpeg_encoder_deps="libopenjpeg"
1534 libschroedinger_decoder_deps="libschroedinger"
1535 libschroedinger_encoder_deps="libschroedinger"
1536 libspeex_decoder_deps="libspeex"
1537 libspeex_encoder_deps="libspeex"
1538 libstagefright_h264_decoder_deps="libstagefright_h264"
1539 libtheora_encoder_deps="libtheora"
1540 libvo_aacenc_encoder_deps="libvo_aacenc"
1541 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1542 libvorbis_encoder_deps="libvorbis"
1543 libvpx_decoder_deps="libvpx"
1544 libvpx_encoder_deps="libvpx"
1545 libx264_encoder_deps="libx264"
1546 libx264rgb_encoder_deps="libx264"
1547 libxavs_encoder_deps="libxavs"
1548 libxvid_encoder_deps="libxvid"
1549 libutvideo_decoder_deps="libutvideo gpl"
1550
1551 # demuxers / muxers
1552 ac3_demuxer_select="ac3_parser"
1553 asf_stream_muxer_select="asf_muxer"
1554 avisynth_demuxer_deps="avisynth"
1555 dirac_demuxer_select="dirac_parser"
1556 eac3_demuxer_select="ac3_parser"
1557 flac_demuxer_select="flac_parser"
1558 ipod_muxer_select="mov_muxer"
1559 libnut_demuxer_deps="libnut"
1560 libnut_muxer_deps="libnut"
1561 matroska_audio_muxer_select="matroska_muxer"
1562 matroska_demuxer_suggest="zlib bzlib"
1563 mov_demuxer_suggest="zlib"
1564 mp3_demuxer_select="mpegaudio_parser"
1565 mp4_muxer_select="mov_muxer"
1566 mpegtsraw_demuxer_select="mpegts_demuxer"
1567 mxf_d10_muxer_select="mxf_muxer"
1568 ogg_demuxer_select="golomb"
1569 psp_muxer_select="mov_muxer"
1570 rtp_demuxer_select="sdp_demuxer"
1571 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1572 rtsp_demuxer_select="http_protocol rtpdec"
1573 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1574 sap_demuxer_select="sdp_demuxer"
1575 sap_muxer_select="rtp_muxer rtp_protocol"
1576 sdp_demuxer_select="rtpdec"
1577 spdif_muxer_select="aac_parser"
1578 tg2_muxer_select="mov_muxer"
1579 tgp_muxer_select="mov_muxer"
1580 w64_demuxer_deps="wav_demuxer"
1581
1582 # indevs / outdevs
1583 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1584 alsa_outdev_deps="alsa_asoundlib_h"
1585 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1586 dshow_indev_deps="IBaseFilter"
1587 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1588 dv1394_indev_deps="dv1394 dv_demuxer"
1589 fbdev_indev_deps="linux_fb_h"
1590 jack_indev_deps="jack_jack_h sem_timedwait"
1591 lavfi_indev_deps="avfilter"
1592 libcdio_indev_deps="libcdio"
1593 libdc1394_indev_deps="libdc1394"
1594 libv4l2_indev_deps="libv4l2"
1595 openal_indev_deps="openal"
1596 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1597 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1598 pulse_indev_deps="libpulse"
1599 sdl_outdev_deps="sdl"
1600 sndio_indev_deps="sndio_h"
1601 sndio_outdev_deps="sndio_h"
1602 v4l_indev_deps="linux_videodev_h"
1603 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1604 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1605 vfwcap_indev_extralibs="-lavicap32"
1606 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1607 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1608
1609 # protocols
1610 gopher_protocol_deps="network"
1611 httpproxy_protocol_deps="network"
1612 httpproxy_protocol_select="tcp_protocol"
1613 http_protocol_deps="network"
1614 http_protocol_select="tcp_protocol"
1615 https_protocol_select="tls_protocol"
1616 mmsh_protocol_select="http_protocol"
1617 mmst_protocol_deps="network"
1618 rtmp_protocol_select="tcp_protocol"
1619 rtp_protocol_select="udp_protocol"
1620 tcp_protocol_deps="network"
1621 tls_protocol_deps_any="openssl gnutls"
1622 tls_protocol_select="tcp_protocol"
1623 udp_protocol_deps="network"
1624
1625 # filters
1626 amovie_filter_deps="avcodec avformat"
1627 ass_filter_deps="libass"
1628 blackframe_filter_deps="gpl"
1629 boxblur_filter_deps="gpl"
1630 cropdetect_filter_deps="gpl"
1631 delogo_filter_deps="gpl"
1632 drawtext_filter_deps="libfreetype"
1633 frei0r_filter_deps="frei0r dlopen"
1634 frei0r_src_filter_deps="frei0r dlopen"
1635 hqdn3d_filter_deps="gpl"
1636 movie_filter_deps="avcodec avformat"
1637 mp_filter_deps="gpl avcodec"
1638 mptestsrc_filter_deps="gpl"
1639 negate_filter_deps="lut_filter"
1640 ocv_filter_deps="libopencv"
1641 scale_filter_deps="swscale"
1642 yadif_filter_deps="gpl"
1643
1644 # libraries
1645 avdevice_deps="avcodec avformat"
1646 avformat_deps="avcodec"
1647 postproc_deps="gpl"
1648
1649 # programs
1650 ffmpeg_deps="avcodec avformat swscale swresample"
1651 ffmpeg_select="buffer_filter buffersink_filter"
1652 avconv_deps="avcodec avformat swscale"
1653 avconv_select="buffer_filter"
1654 ffplay_deps="avcodec avformat swscale sdl"
1655 ffplay_select="buffersink_filter rdft"
1656 ffprobe_deps="avcodec avformat"
1657 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1658 ffserver_extralibs='$ldl'
1659
1660 doc_deps="texi2html"
1661
1662 # tests
1663
1664 test_deps(){
1665     suf1=$1
1666     suf2=$2
1667     shift 2
1668     for v; do
1669         dep=${v%=*}
1670         tests=${v#*=}
1671         for name in ${tests}; do
1672             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1673         done
1674     done
1675 }
1676
1677 mxf_d10_test_deps="avfilter"
1678 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1679
1680 test_deps _encoder _decoder                                             \
1681     adpcm_g726=g726                                                     \
1682     adpcm_ima_qt                                                        \
1683     adpcm_ima_wav                                                       \
1684     adpcm_ms                                                            \
1685     adpcm_swf                                                           \
1686     adpcm_yamaha=adpcm_yam                                              \
1687     alac                                                                \
1688     asv1                                                                \
1689     asv2                                                                \
1690     bmp                                                                 \
1691     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1692     dvvideo="dv dv_411 dv50"                                            \
1693     ffv1                                                                \
1694     flac                                                                \
1695     flashsv                                                             \
1696     flv                                                                 \
1697     gif                                                                 \
1698     h261                                                                \
1699     h263="h263 h263p"                                                   \
1700     huffyuv                                                             \
1701     jpegls                                                              \
1702     mjpeg="jpg mjpeg ljpeg"                                             \
1703     mp2                                                                 \
1704     mpeg1video="mpeg mpeg1b"                                            \
1705     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1706     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1707     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1708     mpeg4="mpeg4thread error rc"                                        \
1709     msmpeg4v3=msmpeg4                                                   \
1710     msmpeg4v2                                                           \
1711     pbm=pbmpipe                                                         \
1712     pcx                                                                 \
1713     pgm="pgm pgmpipe"                                                   \
1714     png                                                                 \
1715     ppm="ppm ppmpipe"                                                   \
1716     rawvideo="rgb yuv"                                                  \
1717     roq                                                                 \
1718     rv10                                                                \
1719     rv20                                                                \
1720     sgi                                                                 \
1721     snow="snow snowll"                                                  \
1722     svq1                                                                \
1723     targa=tga                                                           \
1724     tiff                                                                \
1725     wmav1                                                               \
1726     wmav2                                                               \
1727     wmv1                                                                \
1728     wmv2                                                                \
1729
1730 test_deps _muxer _demuxer                                               \
1731     aiff                                                                \
1732     pcm_alaw=alaw                                                       \
1733     asf                                                                 \
1734     au                                                                  \
1735     avi                                                                 \
1736     dv=dv_fmt                                                           \
1737     ffm                                                                 \
1738     flv=flv_fmt                                                         \
1739     gxf                                                                 \
1740     matroska=mkv                                                        \
1741     mmf                                                                 \
1742     mov                                                                 \
1743     pcm_mulaw=mulaw                                                     \
1744     mxf="mxf mxf_d10"                                                   \
1745     nut                                                                 \
1746     ogg                                                                 \
1747     rawvideo=pixfmt                                                     \
1748     rm                                                                  \
1749     swf                                                                 \
1750     mpegts=ts                                                           \
1751     voc                                                                 \
1752     wav                                                                 \
1753     yuv4mpegpipe=yuv4mpeg                                               \
1754
1755 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1756 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1757
1758 # default parameters
1759
1760 logfile="config.log"
1761
1762 # installation paths
1763 prefix_default="/usr/local"
1764 bindir_default='${prefix}/bin'
1765 datadir_default='${prefix}/share/ffmpeg'
1766 incdir_default='${prefix}/include'
1767 libdir_default='${prefix}/lib'
1768 mandir_default='${prefix}/share/man'
1769 shlibdir_default="$libdir_default"
1770
1771 # toolchain
1772 ar_default="ar"
1773 cc_default="gcc"
1774 cxx_default="g++"
1775 cc_version=\"unknown\"
1776 host_cc_default="gcc"
1777 install="install"
1778 ln_s="ln -sf"
1779 nm_default="nm"
1780 objformat="elf"
1781 pkg_config_default=pkg-config
1782 ranlib="ranlib"
1783 strip_default="strip"
1784 yasmexe="yasm"
1785 nogas=":"
1786
1787 nm_opts='-g'
1788
1789 # machine
1790 arch_default=$(uname -m)
1791 cpu="generic"
1792
1793 # OS
1794 target_os_default=$(tolower $(uname -s))
1795 host_os=$target_os_default
1796
1797 # configurable options
1798 enable avcodec
1799 enable avdevice
1800 enable avfilter
1801 enable avformat
1802 enable avutil
1803 enable asm
1804 enable debug
1805 enable doc
1806 enable fastdiv
1807 enable ffmpeg
1808 enable ffplay
1809 enable ffprobe
1810 enable ffserver
1811 enable network
1812 enable optimizations
1813 enable postproc
1814 enable protocols
1815 enable safe_bitstream_reader
1816 enable static
1817 enable stripping
1818 enable swresample
1819 enable swscale
1820 enable swscale_alpha
1821
1822 # build settings
1823 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1824 FFSERVERLDFLAGS=-Wl,-E
1825 LIBPREF="lib"
1826 LIBSUF=".a"
1827 FULLNAME='$(NAME)$(BUILDSUF)'
1828 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1829 SLIBPREF="lib"
1830 SLIBSUF=".so"
1831 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1832 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1833 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1834 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1835 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1836 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1837
1838 AS_O='-o $@'
1839 CC_O='-o $@'
1840 CXX_O='-o $@'
1841
1842 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1843 host_libs='-lm'
1844
1845 target_path='$(CURDIR)'
1846
1847 # since the object filename is not given with the -MM flag, the compiler
1848 # is only able to print the basename, and we must add the path ourselves
1849 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1850 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1851
1852 # find source path
1853 if test -f configure; then
1854     source_path=.
1855 else
1856     source_path=$(cd $(dirname "$0"); pwd)
1857     echo "$source_path" | grep -q '[[:blank:]]' &&
1858         die "Out of tree builds are impossible with whitespace in source path."
1859     test -e "$source_path/config.h" &&
1860         die "Out of tree builds are impossible with config.h in source dir."
1861 fi
1862
1863 for v in "$@"; do
1864     r=${v#*=}
1865     l=${v%"$r"}
1866     r=$(sh_quote "$r")
1867     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1868 done
1869
1870 find_things(){
1871     thing=$1
1872     pattern=$2
1873     file=$source_path/$3
1874     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1875 }
1876
1877 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1878 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1879 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1880 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1881 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1882 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1883 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1884 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1885 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1886 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1887 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1888
1889 find_tests(){
1890     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1891 }
1892
1893 ACODEC_TESTS=$(find_tests acodec)
1894 VCODEC_TESTS=$(find_tests vsynth1)
1895 LAVF_TESTS=$(find_tests lavf)
1896 LAVFI_TESTS=$(find_tests lavfi)
1897 SEEK_TESTS=$(find_tests seek seek_)
1898
1899 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1900
1901 for n in $COMPONENT_LIST; do
1902     v=$(toupper ${n%s})_LIST
1903     eval enable \$$v
1904     eval ${n}_if_any="\$$v"
1905 done
1906
1907 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1908
1909 die_unknown(){
1910     echo "Unknown option \"$1\"."
1911     echo "See $0 --help for available options."
1912     exit 1
1913 }
1914
1915 show_list() {
1916     suffix=_$1
1917     shift
1918     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1919     exit 0
1920 }
1921
1922 for opt do
1923     optval="${opt#*=}"
1924     case "$opt" in
1925     --extra-ldflags=*) add_ldflags $optval
1926     ;;
1927     --extra-libs=*) add_extralibs $optval
1928     ;;
1929     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1930     ;;
1931     --enable-debug=*) debuglevel="$optval"
1932     ;;
1933     --disable-everything)
1934     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1935     ;;
1936     --enable-*=*|--disable-*=*)
1937     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1938     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1939     eval list=\$$(toupper $thing)_LIST
1940     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1941     $action $(filter "$name" $list)
1942     ;;
1943     --enable-?*|--disable-?*)
1944     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1945     if is_in $option $COMPONENT_LIST; then
1946         test $action = disable && action=unset
1947         eval $action \$$(toupper ${option%s})_LIST
1948     elif is_in $option $CMDLINE_SELECT; then
1949         $action $option
1950     else
1951         die_unknown $opt
1952     fi
1953     ;;
1954     --list-*)
1955         NAME="${opt#--list-}"
1956         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1957         NAME=${NAME%s}
1958         eval show_list $NAME \$$(toupper $NAME)_LIST
1959     ;;
1960     --help|-h) show_help
1961     ;;
1962     *)
1963     optname="${opt%%=*}"
1964     optname="${optname#--}"
1965     optname=$(echo "$optname" | sed 's/-/_/g')
1966     if is_in $optname $CMDLINE_SET; then
1967         eval $optname='$optval'
1968     elif is_in $optname $CMDLINE_APPEND; then
1969         append $optname "$optval"
1970     else
1971          die_unknown $opt
1972     fi
1973     ;;
1974     esac
1975 done
1976
1977 disabled logging && logfile=/dev/null
1978
1979 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1980 set >> $logfile
1981
1982 test -n "$cross_prefix" && enable cross_compile
1983
1984 if enabled cross_compile; then
1985     test -n "$arch" && test -n "$target_os" ||
1986         die "Must specify target arch and OS when cross-compiling"
1987 fi
1988
1989 set_default arch target_os
1990
1991 ar_default="${cross_prefix}${ar_default}"
1992 cc_default="${cross_prefix}${cc_default}"
1993 cxx_default="${cross_prefix}${cxx_default}"
1994 nm_default="${cross_prefix}${nm_default}"
1995 pkg_config_default="${cross_prefix}${pkg_config_default}"
1996 ranlib="${cross_prefix}${ranlib}"
1997 strip_default="${cross_prefix}${strip_default}"
1998
1999 sysinclude_default="${sysroot}/usr/include"
2000
2001 set_default cc cxx nm pkg_config strip sysinclude
2002 enabled cross_compile || host_cc_default=$cc
2003 set_default host_cc
2004
2005 if ! $pkg_config --version >/dev/null 2>&1; then
2006     warn "$pkg_config not found, library detection may fail."
2007     pkg_config=false
2008 fi
2009
2010 exesuf() {
2011     case $1 in
2012         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2013     esac
2014 }
2015
2016 EXESUF=$(exesuf $target_os)
2017 HOSTEXESUF=$(exesuf $host_os)
2018
2019 # set temporary file name
2020 : ${TMPDIR:=$TEMPDIR}
2021 : ${TMPDIR:=$TMP}
2022 : ${TMPDIR:=/tmp}
2023
2024 if ! check_cmd mktemp -u XXXXXX; then
2025     # simple replacement for missing mktemp
2026     # NOT SAFE FOR GENERAL USE
2027     mktemp(){
2028         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2029     }
2030 fi
2031
2032 tmpfile(){
2033     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2034         (set -C; exec > $tmp) 2>/dev/null ||
2035         die "Unable to create temporary file in $TMPDIR."
2036     append TMPFILES $tmp
2037     eval $1=$tmp
2038 }
2039
2040 trap 'rm -f -- $TMPFILES' EXIT
2041
2042 tmpfile TMPC  .c
2043 tmpfile TMPCPP .cpp
2044 tmpfile TMPE  $EXESUF
2045 tmpfile TMPH  .h
2046 tmpfile TMPO  .o
2047 tmpfile TMPS  .S
2048 tmpfile TMPV  .ver
2049 tmpfile TMPSH .sh
2050 tmpfile TMPASM .asm
2051
2052 unset -f mktemp
2053
2054 chmod +x $TMPE
2055
2056 # make sure we can execute files in $TMPDIR
2057 cat > $TMPSH 2>> $logfile <<EOF
2058 #! /bin/sh
2059 EOF
2060 chmod +x $TMPSH >> $logfile 2>&1
2061 if ! $TMPSH >> $logfile 2>&1; then
2062     cat <<EOF
2063 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2064 variable to another directory and make sure that it is not mounted noexec.
2065 EOF
2066     die "Sanity test failed."
2067 fi
2068
2069 filter_cflags=echo
2070 filter_cppflags=echo
2071 filter_asflags=echo
2072
2073 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2074     cc_type=llvm_gcc
2075     cc_version=__VERSION__
2076     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2077     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2078     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2079     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2080     speed_cflags='-O3'
2081     size_cflags='-Os'
2082 elif $cc -v 2>&1 | grep -qi ^gcc; then
2083     cc_type=gcc
2084     cc_version=__VERSION__
2085     gcc_version=$($cc --version | head -n1)
2086     gcc_basever=$($cc -dumpversion)
2087     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2088     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2089     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2090     if ! $cc -dumpversion | grep -q '^2\.'; then
2091         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2092         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2093     fi
2094     speed_cflags='-O3'
2095     size_cflags='-Os'
2096 elif $cc --version 2>/dev/null | grep -q Intel; then
2097     cc_type=icc
2098     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2099     cc_ident=$($cc --version | head -n1)
2100     icc_version=$($cc -dumpversion)
2101     CC_DEPFLAGS='-MMD'
2102     AS_DEPFLAGS='-MMD'
2103     speed_cflags='-O3'
2104     size_cflags='-Os'
2105     noopt_cflags='-O1'
2106 elif $cc -v 2>&1 | grep -q xlc; then
2107     cc_type=xlc
2108     cc_version="AV_STRINGIFY(__IBMC__)"
2109     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2110     speed_cflags='-O5'
2111     size_cflags='-O5 -qcompact'
2112 elif $cc -V 2>/dev/null | grep -q Compaq; then
2113     cc_type=ccc
2114     cc_version="AV_STRINGIFY(__DECC_VER)"
2115     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2116     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2117     debuglevel=3
2118     add_ldflags -Wl,-z,now # calls to libots crash without this
2119     speed_cflags='-fast'
2120     size_cflags='-O1'
2121 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2122     test -d "$sysroot" || die "No valid sysroot specified."
2123     cc_type=armcc
2124     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2125     cc_ident=$($cc --vsn | head -n1)
2126     armcc_conf="$PWD/armcc.conf"
2127     $cc --arm_linux_configure                 \
2128         --arm_linux_config_file="$armcc_conf" \
2129         --configure_sysroot="$sysroot"        \
2130         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2131         die "Error creating armcc configuration file."
2132     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2133     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2134     as_default="${cross_prefix}gcc"
2135     CC_DEPFLAGS='-MMD'
2136     AS_DEPFLAGS='-MMD'
2137     speed_cflags='-O3'
2138     size_cflags='-Os'
2139     filter_asflags="filter_out -W${armcc_opt}*"
2140 elif $cc -version 2>/dev/null | grep -q TMS470; then
2141     cc_type=tms470
2142     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2143     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2144     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2145     CC_O='-fr=$(@D)'
2146     as_default="${cross_prefix}gcc"
2147     ld_default="${cross_prefix}gcc"
2148     TMPO=$(basename $TMPC .c).o
2149     append TMPFILES $TMPO
2150     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2151     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2152     AS_DEPFLAGS='-MMD'
2153     speed_cflags='-O3 -mf=5'
2154     size_cflags='-O3 -mf=2'
2155     filter_cflags=tms470_flags
2156     tms470_flags(){
2157         for flag; do
2158             case $flag in
2159                 -march=*|-mcpu=*)
2160                     case "${flag#*=}" in
2161                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2162                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2163                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2164                         armv6*|arm11*)          echo -mv=6   ;;
2165                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2166                                                 echo -mv=5e  ;;
2167                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2168                     esac
2169                     ;;
2170                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2171                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2172                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2173                 -msoft-float)   echo --float_support=vfplib       ;;
2174                 -O[0-3]|-mf=*)  echo $flag                        ;;
2175                 -g)             echo -g -mn                       ;;
2176                 -pds=*)         echo $flag                        ;;
2177             esac
2178         done
2179     }
2180 elif $cc -v 2>&1 | grep -q clang; then
2181     cc_type=clang
2182     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2183         cc_version=__clang_version__ || cc_version=__VERSION__
2184     cc_ident=$($cc --version | head -n1)
2185     CC_DEPFLAGS='-MMD'
2186     AS_DEPFLAGS='-MMD'
2187     speed_cflags='-O3'
2188     size_cflags='-Os'
2189 elif $cc -V 2>&1 | grep -q Sun; then
2190     cc_type=suncc
2191     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2192     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2193     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2194     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2195     add_ldflags -xc99
2196     speed_cflags='-O5'
2197     size_cflags='-O5 -xspace'
2198     filter_cflags=suncc_flags
2199     suncc_flags(){
2200         for flag; do
2201             case $flag in
2202                 -march=*|-mcpu=*)
2203                     case "${flag#*=}" in
2204                         native)                   echo -xtarget=native       ;;
2205                         v9|niagara)               echo -xarch=sparc          ;;
2206                         ultrasparc)               echo -xarch=sparcvis       ;;
2207                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2208                         i586|pentium)             echo -xchip=pentium        ;;
2209                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2210                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2211                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2212                         pentium4*)          echo -xtarget=pentium4           ;;
2213                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2214                         *-sse3)             echo -xarch=sse3                 ;;
2215                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2216                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2217                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2218                         k8|opteron|athlon64|athlon-fx)
2219                                                   echo -xarch=sse2a          ;;
2220                         athlon*)                  echo -xarch=pentium_proa   ;;
2221                     esac
2222                     ;;
2223                 -std=c99)             echo -xc99              ;;
2224                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2225                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2226                 -W*,*)                echo $flag              ;;
2227                 -f*-*|-W*)                                    ;;
2228                 *)                    echo $flag              ;;
2229             esac
2230         done
2231     }
2232 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2233     cc_type=pathscale
2234     cc_version=__PATHSCALE__
2235     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2236     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2237     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2238     speed_cflags='-O2'
2239     size_cflags='-Os'
2240     filter_cflags='filter_out -Wdisabled-optimization'
2241 elif $cc -v 2>&1 | grep -q Open64; then
2242     cc_type=open64
2243     cc_version=__OPEN64__
2244     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2245     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2246     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2247     speed_cflags='-O2'
2248     size_cflags='-Os'
2249     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2250 fi
2251
2252 test -n "$cc_type" && enable $cc_type ||
2253     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2254
2255 : ${as_default:=$cc}
2256 : ${dep_cc_default:=$cc}
2257 : ${ld_default:=$cc}
2258 set_default ar as dep_cc ld
2259
2260 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2261 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2262 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2263
2264 add_cflags $extra_cflags
2265 add_cxxflags $extra_cxxflags
2266 add_asflags $extra_cflags
2267
2268 if test -n "$sysroot"; then
2269     case "$cc_type" in
2270         gcc|llvm_gcc|clang)
2271             add_cppflags --sysroot="$sysroot"
2272             add_ldflags --sysroot="$sysroot"
2273         ;;
2274         tms470)
2275             add_cppflags -I"$sysinclude"
2276             add_ldflags  --sysroot="$sysroot"
2277         ;;
2278     esac
2279 fi
2280
2281 if test "$cpu" = host; then
2282     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2283
2284     case "$cc_type" in
2285         gcc|llvm_gcc)
2286             check_native(){
2287                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2288                 sed -n "/cc1.*$1=/{
2289                             s/.*$1=\\([^ ]*\\).*/\\1/
2290                             p
2291                             q
2292                         }" $TMPE
2293             }
2294             cpu=$(check_native -march || check_native -mcpu)
2295         ;;
2296     esac
2297
2298     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2299 fi
2300
2301 # Deal with common $arch aliases
2302 case "$arch" in
2303     arm*|iPad*)
2304         arch="arm"
2305     ;;
2306     mips|mipsel|IP*)
2307         arch="mips"
2308     ;;
2309     mips64*)
2310         arch="mips"
2311         subarch="mips64"
2312     ;;
2313     parisc|hppa)
2314         arch="parisc"
2315     ;;
2316     parisc64|hppa64)
2317         arch="parisc"
2318         subarch="parisc64"
2319     ;;
2320     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2321         arch="ppc"
2322     ;;
2323     s390|s390x)
2324         arch="s390"
2325     ;;
2326     sh4|sh)
2327         arch="sh4"
2328     ;;
2329     sun4u|sparc64)
2330         arch="sparc"
2331         subarch="sparc64"
2332     ;;
2333     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2334         arch="x86"
2335     ;;
2336 esac
2337
2338 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2339 enable $arch
2340
2341 # Add processor-specific flags
2342 if test "$cpu" = generic; then
2343     : do nothing
2344 elif enabled ppc; then
2345
2346     case $(tolower $cpu) in
2347         601|ppc601|powerpc601)
2348             cpuflags="-mcpu=601"
2349             disable altivec
2350         ;;
2351         603*|ppc603*|powerpc603*)
2352             cpuflags="-mcpu=603"
2353             disable altivec
2354         ;;
2355         604*|ppc604*|powerpc604*)
2356             cpuflags="-mcpu=604"
2357             disable altivec
2358         ;;
2359         g3|75*|ppc75*|powerpc75*)
2360             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2361             disable altivec
2362         ;;
2363         g4|745*|ppc745*|powerpc745*)
2364             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2365         ;;
2366         74*|ppc74*|powerpc74*)
2367             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2368         ;;
2369         g5|970|ppc970|powerpc970|power4*)
2370             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2371         ;;
2372         cell)
2373             cpuflags="-mcpu=cell"
2374             enable ldbrx
2375         ;;
2376         e500v2)
2377             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2378             disable altivec
2379         ;;
2380         e500)
2381             cpuflags="-mcpu=8540 -mhard-float"
2382             disable altivec
2383         ;;
2384     esac
2385
2386 elif enabled x86; then
2387
2388     case $cpu in
2389         i[345]86|pentium)
2390             cpuflags="-march=$cpu"
2391             disable mmx
2392         ;;
2393         # targets that do NOT support conditional mov (cmov)
2394         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2395             cpuflags="-march=$cpu"
2396             disable cmov
2397         ;;
2398         # targets that do support conditional mov (cmov)
2399         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2400             cpuflags="-march=$cpu"
2401             enable cmov
2402             enable fast_cmov
2403         ;;
2404         # targets that do support conditional mov but on which it's slow
2405         pentium4|pentium4m|prescott|nocona)
2406             cpuflags="-march=$cpu"
2407             enable cmov
2408             disable fast_cmov
2409         ;;
2410     esac
2411
2412 elif enabled sparc; then
2413
2414     case $cpu in
2415         niagara)
2416             cpuflags="-mcpu=$cpu"
2417             disable vis
2418         ;;
2419         sparc64)
2420             cpuflags="-mcpu=v9"
2421         ;;
2422     esac
2423
2424 elif enabled arm; then
2425
2426     case $cpu in
2427         armv*)
2428             cpuflags="-march=$cpu"
2429             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2430         ;;
2431         *)
2432             cpuflags="-mcpu=$cpu"
2433             case $cpu in
2434                 cortex-a*)                               subarch=armv7a  ;;
2435                 cortex-r*)                               subarch=armv7r  ;;
2436                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2437                 arm11*)                                  subarch=armv6   ;;
2438                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2439                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2440             esac
2441         ;;
2442     esac
2443
2444 elif enabled alpha; then
2445
2446     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2447
2448 elif enabled bfin; then
2449
2450     cpuflags="-mcpu=$cpu"
2451
2452 elif enabled mips; then
2453
2454     cpuflags="-march=$cpu"
2455
2456 elif enabled avr32; then
2457
2458     case $cpu in
2459         ap7[02]0[0-2])
2460             subarch="avr32_ap"
2461             cpuflags="-mpart=$cpu"
2462         ;;
2463         ap)
2464             subarch="avr32_ap"
2465             cpuflags="-march=$cpu"
2466         ;;
2467         uc3[ab]*)
2468             subarch="avr32_uc"
2469             cpuflags="-mcpu=$cpu"
2470         ;;
2471         uc)
2472             subarch="avr32_uc"
2473             cpuflags="-march=$cpu"
2474         ;;
2475     esac
2476
2477 fi
2478
2479 add_cflags $cpuflags
2480 add_asflags $cpuflags
2481
2482 # compiler sanity check
2483 check_exec <<EOF
2484 int main(void){ return 0; }
2485 EOF
2486 if test "$?" != 0; then
2487     echo "$cc is unable to create an executable file."
2488     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2489         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2490         echo "Only do this if you know what cross compiling means."
2491     fi
2492     die "C compiler test failed."
2493 fi
2494
2495 add_cppflags -D_ISOC99_SOURCE
2496 add_cxxflags -D__STDC_CONSTANT_MACROS
2497 check_cflags -std=c99
2498 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2499 #include <stdlib.h>
2500 EOF
2501 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2502 #include <stdlib.h>
2503 EOF
2504
2505 check_host_cflags -std=c99
2506 check_host_cflags -Wall
2507
2508 case "$arch" in
2509     alpha|ia64|mips|parisc|sparc)
2510         spic=$shared
2511     ;;
2512     x86)
2513         subarch="x86_32"
2514         check_cc <<EOF && subarch="x86_64"
2515         int test[(int)sizeof(char*) - 7];
2516 EOF
2517         if test "$subarch" = "x86_64"; then
2518             spic=$shared
2519         fi
2520     ;;
2521     ppc)
2522         check_cc <<EOF && subarch="ppc64"
2523         int test[(int)sizeof(char*) - 7];
2524 EOF
2525     ;;
2526 esac
2527
2528 enable $subarch
2529 enabled spic && enable pic
2530
2531 # OS specific
2532 case $target_os in
2533     haiku)
2534         prefix_default="/boot/common"
2535         network_extralibs="-lnetwork"
2536         host_libs=
2537         ;;
2538     sunos)
2539         FFSERVERLDFLAGS=""
2540         SHFLAGS='-shared -Wl,-h,$$(@F)'
2541         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2542         network_extralibs="-lsocket -lnsl"
2543         add_cppflags -D__EXTENSIONS__
2544         # When using suncc to build, the Solaris linker will mark
2545         # an executable with each instruction set encountered by
2546         # the Solaris assembler.  As our libraries contain their own
2547         # guards for processor-specific code, instead suppress
2548         # generation of the HWCAPS ELF section on Solaris x86 only.
2549         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2550         nm_opts='-P -g'
2551         ;;
2552     netbsd)
2553         disable symver
2554         oss_indev_extralibs="-lossaudio"
2555         oss_outdev_extralibs="-lossaudio"
2556         ;;
2557     openbsd)
2558         enable malloc_aligned
2559         # On OpenBSD 4.5. the compiler does not use PIC unless
2560         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2561         # however the generated executable will not do anything
2562         # (simply quits with exit-code 1, no crash, no output).
2563         # Thus explicitly enable PIC here.
2564         enable pic
2565         disable symver
2566         SHFLAGS='-shared'
2567         oss_indev_extralibs="-lossaudio"
2568         oss_outdev_extralibs="-lossaudio"
2569         ;;
2570     dragonfly)
2571         enable malloc_aligned
2572         disable symver
2573         ;;
2574     freebsd)
2575         enable malloc_aligned
2576         ;;
2577     bsd/os)
2578         add_extralibs -lpoll -lgnugetopt
2579         strip="strip -d"
2580         ;;
2581     darwin)
2582         enable malloc_aligned
2583         gas="gas-preprocessor.pl $cc"
2584         enabled ppc && add_asflags -force_cpusubtype_ALL
2585         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2586         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2587         strip="${strip} -x"
2588         add_ldflags -Wl,-dynamic,-search_paths_first
2589         SLIBSUF=".dylib"
2590         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2591         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2592         FFSERVERLDFLAGS=-Wl,-bind_at_load
2593         objformat="macho"
2594         enabled x86_64 && objformat="macho64"
2595         enabled_any pic shared ||
2596             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2597         ;;
2598     mingw32*)
2599         if test $target_os = "mingw32ce"; then
2600             disable network
2601         else
2602             target_os=mingw32
2603         fi
2604         LIBTARGET=i386
2605         if enabled x86_64; then
2606             enable malloc_aligned
2607             LIBTARGET=x64
2608         elif enabled arm; then
2609             LIBTARGET=arm-wince
2610         fi
2611         shlibdir_default="$bindir_default"
2612         SLIBPREF=""
2613         SLIBSUF=".dll"
2614         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2615         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2616         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2617         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2618         SLIB_INSTALL_LINKS=
2619         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2620         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2621         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'
2622         objformat="win32"
2623         enable dos_paths
2624         check_cflags -fno-common
2625         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2626                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2627                 die "ERROR: MinGW runtime version must be >= 3.15."
2628         add_cppflags -U__STRICT_ANSI__
2629         ;;
2630     cygwin*)
2631         target_os=cygwin
2632         shlibdir_default="$bindir_default"
2633         SLIBPREF="cyg"
2634         SLIBSUF=".dll"
2635         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2636         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2637         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2638         objformat="win32"
2639         enable dos_paths
2640         check_cflags -fno-common
2641         add_cppflags -U__STRICT_ANSI__
2642         ;;
2643     *-dos|freedos|opendos)
2644         network_extralibs="-lsocket"
2645         objformat="coff"
2646         enable dos_paths
2647         add_cppflags -U__STRICT_ANSI__
2648         ;;
2649     linux)
2650         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2651         enable dv1394
2652         ;;
2653     irix*)
2654         target_os=irix
2655         ranlib="echo ignoring ranlib"
2656         ;;
2657     os/2*)
2658         strip="lxlite -CS"
2659         ln_s="cp -f"
2660         objformat="aout"
2661         add_cppflags -D_GNU_SOURCE
2662         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2663         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2664         FFSERVERLDFLAGS=""
2665         LIBSUF="_s.a"
2666         SLIBPREF=""
2667         SLIBSUF=".dll"
2668         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2669         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2670         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2671           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2672           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2673           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2674           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2675           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2676         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2677           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2678         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2679         enable dos_paths
2680         enable_weak os2threads
2681         ;;
2682     gnu/kfreebsd)
2683         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2684         ;;
2685     gnu)
2686         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2687         ;;
2688     qnx)
2689         add_cppflags -D_QNX_SOURCE
2690         network_extralibs="-lsocket"
2691         ;;
2692     symbian)
2693         SLIBSUF=".dll"
2694         enable dos_paths
2695         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2696         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2697         add_ldflags -Wl,--target1-abs,--no-undefined \
2698                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2699                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2700         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2701                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2702                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2703         ;;
2704     none)
2705         ;;
2706     *)
2707         die "Unknown OS '$target_os'."
2708         ;;
2709 esac
2710
2711 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2712
2713 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2714
2715 set_default $PATHS_LIST
2716
2717 # we need to build at least one lib type
2718 if ! enabled_any static shared; then
2719     cat <<EOF
2720 At least one library type must be built.
2721 Specify --enable-static to build the static libraries or --enable-shared to
2722 build the shared libraries as well. To only build the shared libraries specify
2723 --disable-static in addition to --enable-shared.
2724 EOF
2725     exit 1;
2726 fi
2727
2728 die_license_disabled() {
2729     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2730 }
2731
2732 die_license_disabled gpl libcdio
2733 die_license_disabled gpl libx264
2734 die_license_disabled gpl libxavs
2735 die_license_disabled gpl libxvid
2736 die_license_disabled gpl x11grab
2737
2738 die_license_disabled nonfree libaacplus
2739 die_license_disabled nonfree libfaac
2740 die_license_disabled nonfree openssl
2741
2742 die_license_disabled version3 libopencore_amrnb
2743 die_license_disabled version3 libopencore_amrwb
2744 die_license_disabled version3 libvo_aacenc
2745 die_license_disabled version3 libvo_amrwbenc
2746
2747 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2748
2749 disabled optimizations || check_cflags -fomit-frame-pointer
2750
2751 enable_pic() {
2752     enable pic
2753     add_cppflags -DPIC
2754     add_cflags   -fPIC
2755     add_asflags  -fPIC
2756 }
2757
2758 enabled pic && enable_pic
2759
2760 check_cc <<EOF || die "Symbol mangling check failed."
2761 int ff_extern;
2762 EOF
2763 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2764 extern_prefix=${sym%%ff_extern*}
2765
2766 check_cc <<EOF && enable inline_asm
2767 void foo(void) { __asm__ volatile ("" ::); }
2768 EOF
2769
2770 _restrict=
2771 for restrict_keyword in restrict __restrict__ __restrict; do
2772     check_cc <<EOF && _restrict=$restrict_keyword && break
2773 void foo(char * $restrict_keyword p);
2774 EOF
2775 done
2776
2777 check_cc <<EOF && enable attribute_packed
2778 struct { int x; } __attribute__((packed)) x;
2779 EOF
2780
2781 check_cc <<EOF && enable attribute_may_alias
2782 union { int x; } __attribute__((may_alias)) x;
2783 EOF
2784
2785 check_cc <<EOF || die "endian test failed"
2786 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2787 EOF
2788 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2789
2790 if enabled alpha; then
2791
2792     check_cflags -mieee
2793
2794 elif enabled arm; then
2795
2796     enabled thumb && check_cflags -mthumb || check_cflags -marm
2797     nogas=die
2798
2799     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2800         enable vfp_args
2801     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2802         case "${cross_prefix:-$cc}" in
2803             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2804             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2805 __asm__ (".eabi_attribute 28, 1");
2806 int main(void) { return 0; }
2807 EOF
2808         esac
2809         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2810     fi
2811
2812     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2813     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2814     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2815     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2816     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2817     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2818     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2819
2820     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2821
2822     enabled_all armv6t2 shared !pic && enable_pic
2823
2824 elif enabled mips; then
2825
2826     check_asm loongson '"dmult.g $1, $2, $3"'
2827     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2828
2829 elif enabled ppc; then
2830
2831     enable local_aligned_8 local_aligned_16
2832
2833     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2834     check_asm ibm_asm   '"add 0, 0, 0"'
2835     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2836     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2837
2838     # AltiVec flags: The FSF version of GCC differs from the Apple version
2839     if enabled altivec; then
2840         nogas=warn
2841         check_cflags -maltivec -mabi=altivec &&
2842         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2843         check_cflags -faltivec
2844
2845         # check if our compiler supports Motorola AltiVec C API
2846         check_cc <<EOF || disable altivec
2847 $inc_altivec_h
2848 int main(void) {
2849     vector signed int v1, v2, v3;
2850     v1 = vec_add(v2,v3);
2851     return 0;
2852 }
2853 EOF
2854
2855         # check if our compiler supports braces for vector declarations
2856         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2857 $inc_altivec_h
2858 int main (void) { (vector int) {1}; return 0; }
2859 EOF
2860     fi
2861
2862 elif enabled sparc; then
2863
2864     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2865         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2866
2867 elif enabled x86; then
2868
2869     enable local_aligned_8 local_aligned_16
2870
2871     # check whether EBP is available on x86
2872     # As 'i' is stored on the stack, this program will crash
2873     # if the base pointer is used to access it because the
2874     # base pointer is cleared in the inline assembly code.
2875     check_exec_crash <<EOF && enable ebp_available
2876     volatile int i=0;
2877     __asm__ volatile (
2878         "xorl %%ebp, %%ebp"
2879     ::: "%ebp");
2880     return i;
2881 EOF
2882
2883     # check whether EBX is available on x86
2884     check_asm ebx_available '""::"b"(0)' &&
2885         check_asm ebx_available '"":::"%ebx"'
2886
2887     # check whether xmm clobbers are supported
2888     check_asm xmm_clobbers '"":::"%xmm0"'
2889
2890     # check whether binutils is new enough to compile SSSE3/MMX2
2891     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2892     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2893
2894     check_asm bswap '"bswap %%eax" ::: "%eax"'
2895
2896     if ! disabled_any asm mmx yasm; then
2897         if check_cmd $yasmexe --version; then
2898             enabled x86_64 && yasm_extra="-m amd64"
2899             yasm_debug="-g dwarf2"
2900         elif check_cmd nasm -v; then
2901             yasmexe=nasm
2902             yasm_debug="-g -F dwarf"
2903             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2904         fi
2905
2906         YASMFLAGS="-f $objformat $yasm_extra"
2907         enabled pic               && append YASMFLAGS "-DPIC"
2908         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2909         case "$objformat" in
2910             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2911         esac
2912
2913         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2914             die "yasm not found, use --disable-yasm for a crippled build"
2915         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2916     fi
2917
2918     case "$cpu" in
2919         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2920             disable fast_clz
2921         ;;
2922     esac
2923
2924 fi
2925
2926 if enabled asm; then
2927     as=${gas:=$as}
2928     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2929         $nogas "GNU assembler not found, install gas-preprocessor"
2930 fi
2931
2932 check_ldflags -Wl,--as-needed
2933
2934 if check_func dlopen; then
2935     ldl=
2936 elif check_func dlopen -ldl; then
2937     ldl=-ldl
2938 fi
2939
2940 if enabled network; then
2941     check_type "sys/types.h sys/socket.h" socklen_t
2942     check_type netdb.h "struct addrinfo"
2943     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2944     check_type netinet/in.h "struct sockaddr_in6"
2945     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2946     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2947     # Prefer arpa/inet.h over winsock2
2948     if check_header arpa/inet.h ; then
2949         check_func closesocket
2950     elif check_header winsock2.h ; then
2951         check_func_headers winsock2.h closesocket -lws2 && \
2952             network_extralibs="-lws2" || \
2953         { check_func_headers winsock2.h closesocket -lws2_32 && \
2954             network_extralibs="-lws2_32"; }
2955         check_type ws2tcpip.h socklen_t
2956         check_type ws2tcpip.h "struct addrinfo"
2957         check_type ws2tcpip.h "struct ipv6_mreq"
2958         check_type ws2tcpip.h "struct sockaddr_in6"
2959         check_type ws2tcpip.h "struct sockaddr_storage"
2960         check_struct winsock2.h "struct sockaddr" sa_len
2961     else
2962         disable network
2963     fi
2964 fi
2965
2966 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2967 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2968
2969 check_func  fcntl
2970 check_func  fork
2971 check_func  getaddrinfo $network_extralibs
2972 check_func  gethrtime
2973 check_func  getrusage
2974 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2975 check_func  inet_aton $network_extralibs
2976 check_func  isatty
2977 check_func  localtime_r
2978 check_func  ${malloc_prefix}memalign            && enable memalign
2979 check_func  mkstemp
2980 check_func  mmap
2981 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2982 check_func  setrlimit
2983 check_func  strerror_r
2984 check_func  strptime
2985 check_func_headers conio.h kbhit
2986 check_func_headers windows.h PeekNamedPipe
2987 check_func_headers io.h setmode
2988 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2989 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2990 check_func_headers windows.h GetProcessTimes
2991 check_func_headers windows.h MapViewOfFile
2992 check_func_headers windows.h VirtualAlloc
2993
2994 check_header dlfcn.h
2995 check_header dxva.h
2996 check_header dxva2api.h -D_WIN32_WINNT=0x0600
2997 check_header libcrystalhd/libcrystalhd_if.h
2998 check_header malloc.h
2999 check_header poll.h
3000 check_header sys/mman.h
3001 check_header sys/resource.h
3002 check_header sys/select.h
3003 check_header termios.h
3004 check_header vdpau/vdpau.h
3005 check_header vdpau/vdpau_x11.h
3006 check_header X11/extensions/XvMClib.h
3007 check_header asm/types.h
3008
3009 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3010 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3011
3012 # check for VDA header
3013 if ! disabled vda; then
3014     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3015         enable vda
3016         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3017     fi
3018 fi
3019
3020 if ! disabled w32threads && ! enabled pthreads; then
3021     check_func _beginthreadex && enable w32threads
3022 fi
3023
3024 # check for some common methods of building with pthread support
3025 # do this before the optional library checks as some of them require pthreads
3026 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3027     enable pthreads
3028     if check_func pthread_create; then
3029         :
3030     elif check_func pthread_create -pthread; then
3031         add_cflags -pthread
3032         add_extralibs -pthread
3033     elif check_func pthread_create -pthreads; then
3034         add_cflags -pthreads
3035         add_extralibs -pthreads
3036     elif check_func pthread_create -lpthreadGC2; then
3037         add_extralibs -lpthreadGC2
3038     elif ! check_lib pthread.h pthread_create -lpthread; then
3039         disable pthreads
3040     fi
3041 fi
3042
3043 for thread in $THREADS_LIST; do
3044     if enabled $thread; then
3045         test -n "$thread_type" &&
3046             die "ERROR: Only one thread type must be selected." ||
3047             thread_type="$thread"
3048     fi
3049 done
3050
3051 check_lib math.h sin -lm && LIBM="-lm"
3052 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3053 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3054
3055 check_mathfunc cbrtf
3056 check_mathfunc exp2
3057 check_mathfunc exp2f
3058 check_mathfunc llrint
3059 check_mathfunc llrintf
3060 check_mathfunc log2
3061 check_mathfunc log2f
3062 check_mathfunc lrint
3063 check_mathfunc lrintf
3064 check_mathfunc round
3065 check_mathfunc roundf
3066 check_mathfunc trunc
3067 check_mathfunc truncf
3068
3069 # these are off by default, so fail if requested and not available
3070 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3071 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3072 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3073 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3074 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3075 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0
3076 enabled libdc1394  && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
3077 enabled libdirac   && require_pkg_config dirac                          \
3078     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
3079     "dirac_decoder_init dirac_encoder_init"
3080 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3081 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3082 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3083 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3084 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3085 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3086 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3087 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3088 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3089 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3090 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3091 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3092 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3093 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3094 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3095     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3096     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3097 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3098 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3099 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3100 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3101 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3102 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3103 enabled libvpx     && {
3104     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3105                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3106     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3107                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3108 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3109                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3110                         die "ERROR: libx264 version must be >= 0.118."; }
3111 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3112 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3113 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3114                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3115                         die "ERROR: openal not found"; } &&
3116                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3117                         die "ERROR: openal version must be 1.1 or compatible"; }
3118 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
3119 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3120                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3121                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3122                         die "ERROR: openssl not found"; }
3123
3124 SDL_CONFIG="${cross_prefix}sdl-config"
3125 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3126     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3127     enable sdl &&
3128     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3129 else
3130   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3131     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3132     sdl_libs=$("${SDL_CONFIG}" --libs)
3133     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3134     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3135     enable sdl &&
3136     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3137   fi
3138 fi
3139 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3140
3141 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3142
3143 check_header linux/fb.h
3144 check_header linux/videodev.h
3145 check_header linux/videodev2.h
3146 check_header sys/videoio.h
3147
3148 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3149 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3150 # w32api 3.12 had it defined wrong
3151 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3152
3153 check_type "dshow.h" IBaseFilter
3154
3155 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3156 { check_header dev/bktr/ioctl_meteor.h &&
3157   check_header dev/bktr/ioctl_bt848.h; } ||
3158 { check_header machine/ioctl_meteor.h &&
3159   check_header machine/ioctl_bt848.h; } ||
3160 { check_header dev/video/meteor/ioctl_meteor.h &&
3161   check_header dev/video/bktr/ioctl_bt848.h; } ||
3162 check_header dev/ic/bt8xx.h
3163
3164 check_header sndio.h
3165 if check_struct sys/soundcard.h audio_buf_info bytes; then
3166     enable_safe sys/soundcard.h
3167 else
3168     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3169     #include <sys/soundcard.h>
3170     audio_buf_info abc;
3171 EOF
3172 fi
3173 check_header soundcard.h
3174
3175 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3176
3177 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3178
3179 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3180
3181 enabled libcdio &&
3182     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3183
3184 enabled x11grab                         &&
3185 check_header X11/Xlib.h                 &&
3186 check_header X11/extensions/XShm.h      &&
3187 check_header X11/extensions/Xfixes.h    &&
3188 check_func XOpenDisplay -lX11           &&
3189 check_func XShmCreateImage -lX11 -lXext &&
3190 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3191
3192 if ! disabled vaapi; then
3193     check_lib va/va.h vaInitialize -lva && {
3194         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3195         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3196     } || disable vaapi
3197 fi
3198
3199 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3200 check_cpp_condition \
3201     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3202     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3203       disable vdpau; }
3204 fi
3205
3206 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3207 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3208
3209 # add some useful compiler flags if supported
3210 check_cflags -Wdeclaration-after-statement
3211 check_cflags -Wall
3212 check_cflags -Wno-parentheses
3213 check_cflags -Wno-switch
3214 check_cflags -Wno-format-zero-length
3215 check_cflags -Wdisabled-optimization
3216 check_cflags -Wpointer-arith
3217 check_cflags -Wredundant-decls
3218 check_cflags -Wno-pointer-sign
3219 check_cflags -Wcast-qual
3220 check_cflags -Wwrite-strings
3221 check_cflags -Wtype-limits
3222 check_cflags -Wundef
3223 check_cflags -Wmissing-prototypes
3224 check_cflags -Wno-pointer-to-int-cast
3225 check_cflags -Wstrict-prototypes
3226 enabled extra_warnings && check_cflags -Winline
3227
3228 # add some linker flags
3229 check_ldflags -Wl,--warn-common
3230 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3231 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3232
3233 echo "X{};" > $TMPV
3234 if test_ldflags -Wl,--version-script,$TMPV; then
3235     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3236     check_cc <<EOF && enable symver_asm_label
3237 void ff_foo(void) __asm__ ("av_foo@VERSION");
3238 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3239 EOF
3240     check_cc <<EOF && enable symver_gnu_asm
3241 __asm__(".symver ff_foo,av_foo@VERSION");
3242 void ff_foo(void) {}
3243 EOF
3244 fi
3245
3246 if [ -n "$optflags" ]; then
3247     add_cflags $optflags
3248 elif enabled small; then
3249     add_cflags $size_cflags
3250 elif enabled optimizations; then
3251     add_cflags $speed_cflags
3252 else
3253     add_cflags $noopt_cflags
3254 fi
3255 check_cflags -fno-math-errno
3256 check_cflags -fno-signed-zeros
3257 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3258 int x;
3259 EOF
3260
3261
3262 if enabled icc; then
3263     # Just warnings, no remarks
3264     check_cflags -w1
3265     # -wd: Disable following warnings
3266     # 144, 167, 556: -Wno-pointer-sign
3267     # 1292: attribute "foo" ignored
3268     # 10006: ignoring unknown option -fno-signed-zeros
3269     # 10148: ignoring unknown option -Wno-parentheses
3270     # 10156: ignoring option '-W'; no argument required
3271     check_cflags -wd144,167,556,1292,10006,10148,10156
3272     # 11030: Warning unknown option --as-needed
3273     # 10156: ignoring option '-export'; no argument required
3274     check_ldflags -wd10156,11030
3275     # Allow to compile with optimizations
3276     check_ldflags -march=$cpu
3277     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3278     enable ebp_available
3279     if enabled x86_32; then
3280         test ${icc_version%%.*} -ge 11 && \
3281             check_cflags -falign-stack=maintain-16-byte || \
3282             disable aligned_stack
3283     fi
3284 elif enabled ccc; then
3285     # disable some annoying warnings
3286     add_cflags -msg_disable cvtu32to64
3287     add_cflags -msg_disable embedcomment
3288     add_cflags -msg_disable needconstext
3289     add_cflags -msg_disable nomainieee
3290     add_cflags -msg_disable ptrmismatch1
3291     add_cflags -msg_disable unreachcode
3292 elif enabled gcc; then
3293     check_cflags -fno-tree-vectorize
3294     check_cflags -Werror=implicit-function-declaration
3295     check_cflags -Werror=missing-prototypes
3296 elif enabled llvm_gcc; then
3297     check_cflags -mllvm -stack-alignment=16
3298 elif enabled clang; then
3299     check_cflags -mllvm -stack-alignment=16
3300     check_cflags -Qunused-arguments
3301 elif enabled armcc; then
3302     # 2523: use of inline assembler is deprecated
3303     add_cflags -W${armcc_opt},--diag_suppress=2523
3304     add_cflags -W${armcc_opt},--diag_suppress=1207
3305     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3306     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3307     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3308     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3309 elif enabled tms470; then
3310     add_cflags -pds=824 -pds=837
3311 elif enabled pathscale; then
3312     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3313 fi
3314
3315 enabled_any $THREADS_LIST      && enable threads
3316
3317 check_deps $CONFIG_LIST       \
3318            $CONFIG_EXTRA      \
3319            $HAVE_LIST         \
3320            $DECODER_LIST      \
3321            $ENCODER_LIST      \
3322            $HWACCEL_LIST      \
3323            $PARSER_LIST       \
3324            $BSF_LIST          \
3325            $DEMUXER_LIST      \
3326            $MUXER_LIST        \
3327            $FILTER_LIST       \
3328            $INDEV_LIST        \
3329            $OUTDEV_LIST       \
3330            $PROTOCOL_LIST     \
3331            $ACODEC_TESTS      \
3332            $VCODEC_TESTS      \
3333            $LAVF_TESTS        \
3334            $LAVFI_TESTS       \
3335            $SEEK_TESTS        \
3336
3337 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3338
3339 if test $target_os = "haiku"; then
3340     disable memalign
3341     disable posix_memalign
3342 fi
3343
3344 ! enabled_any memalign posix_memalign malloc_aligned &&
3345     enabled_any $need_memalign && enable memalign_hack
3346
3347 echo "install prefix            $prefix"
3348 echo "source path               $source_path"
3349 echo "C compiler                $cc"
3350 echo "ARCH                      $arch ($cpu)"
3351 if test "$build_suffix" != ""; then
3352     echo "build suffix              $build_suffix"
3353 fi
3354 if test "$progs_suffix" != ""; then
3355     echo "progs suffix              $progs_suffix"
3356 fi
3357 if test "$extra_version" != ""; then
3358     echo "version string suffix     $extra_version"
3359 fi
3360 echo "big-endian                ${bigendian-no}"
3361 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3362 if enabled x86; then
3363     echo "${yasmexe}                      ${yasm-no}"
3364     echo "MMX enabled               ${mmx-no}"
3365     echo "MMX2 enabled              ${mmx2-no}"
3366     echo "3DNow! enabled            ${amd3dnow-no}"
3367     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3368     echo "SSE enabled               ${sse-no}"
3369     echo "SSSE3 enabled             ${ssse3-no}"
3370     echo "AVX enabled               ${avx-no}"
3371     echo "CMOV enabled              ${cmov-no}"
3372     echo "CMOV is fast              ${fast_cmov-no}"
3373     echo "EBX available             ${ebx_available-no}"
3374     echo "EBP available             ${ebp_available-no}"
3375 fi
3376 if enabled arm; then
3377     echo "ARMv5TE enabled           ${armv5te-no}"
3378     echo "ARMv6 enabled             ${armv6-no}"
3379     echo "ARMv6T2 enabled           ${armv6t2-no}"
3380     echo "ARM VFP enabled           ${armvfp-no}"
3381     echo "IWMMXT enabled            ${iwmmxt-no}"
3382     echo "NEON enabled              ${neon-no}"
3383 fi
3384 if enabled mips; then
3385     echo "MMI enabled               ${mmi-no}"
3386 fi
3387 if enabled ppc; then
3388     echo "AltiVec enabled           ${altivec-no}"
3389     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3390     echo "dcbzl available           ${dcbzl-no}"
3391 fi
3392 if enabled sparc; then
3393     echo "VIS enabled               ${vis-no}"
3394 fi
3395 echo "debug symbols             ${debug-no}"
3396 echo "strip symbols             ${stripping-no}"
3397 echo "optimize for size         ${small-no}"
3398 echo "optimizations             ${optimizations-no}"
3399 echo "static                    ${static-no}"
3400 echo "shared                    ${shared-no}"
3401 echo "postprocessing support    ${postproc-no}"
3402 echo "new filter support        ${avfilter-no}"
3403 echo "network support           ${network-no}"
3404 echo "threading support         ${thread_type-no}"
3405 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3406 echo "SDL support               ${sdl-no}"
3407 echo "Sun medialib support      ${mlib-no}"
3408 echo "libdxva2 enabled          ${dxva2-no}"
3409 echo "libva enabled             ${vaapi-no}"
3410 echo "libvdpau enabled          ${vdpau-no}"
3411 echo "AVISynth enabled          ${avisynth-no}"
3412 echo "frei0r enabled            ${frei0r-no}"
3413 echo "gnutls enabled            ${gnutls-no}"
3414 echo "libaacplus enabled        ${libaacplus-no}"
3415 echo "libass enabled            ${libass-no}"
3416 echo "libcdio support           ${libcdio-no}"
3417 echo "libcelt enabled           ${libcelt-no}"
3418 echo "libdc1394 support         ${libdc1394-no}"
3419 echo "libdirac enabled          ${libdirac-no}"
3420 echo "libfaac enabled           ${libfaac-no}"
3421 echo "libgsm enabled            ${libgsm-no}"
3422 echo "libmodplug enabled        ${libmodplug-no}"
3423 echo "libmp3lame enabled        ${libmp3lame-no}"
3424 echo "libnut enabled            ${libnut-no}"
3425 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3426 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3427 echo "libopencv support         ${libopencv-no}"
3428 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3429 echo "libpulse enabled          ${libpulse-no}"
3430 echo "librtmp enabled           ${librtmp-no}"
3431 echo "libschroedinger enabled   ${libschroedinger-no}"
3432 echo "libspeex enabled          ${libspeex-no}"
3433 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3434 echo "libtheora enabled         ${libtheora-no}"
3435 echo "libutvideo enabled        ${libutvideo-no}"
3436 echo "libv4l2 enabled           ${libv4l2-no}"
3437 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3438 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3439 echo "libvorbis enabled         ${libvorbis-no}"
3440 echo "libvpx enabled            ${libvpx-no}"
3441 echo "libx264 enabled           ${libx264-no}"
3442 echo "libxavs enabled           ${libxavs-no}"
3443 echo "libxvid enabled           ${libxvid-no}"
3444 echo "openal enabled            ${openal-no}"
3445 echo "openssl enabled           ${openssl-no}"
3446 echo "zlib enabled              ${zlib-no}"
3447 echo "bzlib enabled             ${bzlib-no}"
3448 echo
3449
3450 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3451     echo "Enabled ${type}s:"
3452     eval list=\$$(toupper $type)_LIST
3453     print_enabled '_*' $list | sort | pr -r -3 -t
3454     echo
3455 done
3456
3457 license="LGPL version 2.1 or later"
3458 if enabled nonfree; then
3459     license="nonfree and unredistributable"
3460 elif enabled gplv3; then
3461     license="GPL version 3 or later"
3462 elif enabled lgplv3; then
3463     license="LGPL version 3 or later"
3464 elif enabled gpl; then
3465     license="GPL version 2 or later"
3466 fi
3467
3468 echo "License: $license"
3469
3470 echo "Creating config.mak and config.h..."
3471
3472 test -e Makefile || $ln_s "$source_path/Makefile" .
3473
3474 enabled stripping || strip="echo skipping strip"
3475
3476 config_files="$TMPH config.mak"
3477
3478 cat > config.mak <<EOF
3479 # Automatically generated by configure - do not modify!
3480 ifndef FFMPEG_CONFIG_MAK
3481 FFMPEG_CONFIG_MAK=1
3482 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3483 prefix=$prefix
3484 LIBDIR=\$(DESTDIR)$libdir
3485 SHLIBDIR=\$(DESTDIR)$shlibdir
3486 INCDIR=\$(DESTDIR)$incdir
3487 BINDIR=\$(DESTDIR)$bindir
3488 DATADIR=\$(DESTDIR)$datadir
3489 MANDIR=\$(DESTDIR)$mandir
3490 SRC_PATH=$source_path
3491 ifndef MAIN_MAKEFILE
3492 SRC_PATH:=\$(SRC_PATH:.%=..%)
3493 endif
3494 CC_IDENT=$cc_ident
3495 ARCH=$arch
3496 CC=$cc
3497 CXX=$cxx
3498 AS=$as
3499 LD=$ld
3500 DEPCC=$dep_cc
3501 YASM=$yasmexe
3502 YASMDEP=$yasmexe
3503 AR=$ar
3504 RANLIB=$ranlib
3505 CP=cp -p
3506 LN_S=$ln_s
3507 STRIP=$strip
3508 CPPFLAGS=$CPPFLAGS
3509 CFLAGS=$CFLAGS
3510 CXXFLAGS=$CXXFLAGS
3511 ASFLAGS=$ASFLAGS
3512 AS_O=$CC_O
3513 CC_O=$CC_O
3514 CXX_O=$CXX_O
3515 LDFLAGS=$LDFLAGS
3516 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3517 SHFLAGS=$SHFLAGS
3518 YASMFLAGS=$YASMFLAGS
3519 BUILDSUF=$build_suffix
3520 PROGSSUF=$progs_suffix
3521 FULLNAME=$FULLNAME
3522 LIBPREF=$LIBPREF
3523 LIBSUF=$LIBSUF
3524 LIBNAME=$LIBNAME
3525 SLIBPREF=$SLIBPREF
3526 SLIBSUF=$SLIBSUF
3527 EXESUF=$EXESUF
3528 EXTRA_VERSION=$extra_version
3529 DEPFLAGS=$DEPFLAGS
3530 CCDEP=$CCDEP
3531 CXXDEP=$CXXDEP
3532 ASDEP=$ASDEP
3533 CC_DEPFLAGS=$CC_DEPFLAGS
3534 AS_DEPFLAGS=$AS_DEPFLAGS
3535 HOSTCC=$host_cc
3536 HOSTCFLAGS=$host_cflags
3537 HOSTEXESUF=$HOSTEXESUF
3538 HOSTLDFLAGS=$host_ldflags
3539 HOSTLIBS=$host_libs
3540 TARGET_EXEC=$target_exec
3541 TARGET_PATH=$target_path
3542 SDL_LIBS=$sdl_libs
3543 SDL_CFLAGS=$sdl_cflags
3544 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3545 EXTRALIBS=$extralibs
3546 INSTALL=$install
3547 LIBTARGET=${LIBTARGET}
3548 SLIBNAME=${SLIBNAME}
3549 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3550 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3551 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3552 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3553 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3554 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3555 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3556 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3557 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3558 NOREDZONE_FLAGS=$noredzone_flags
3559 EOF
3560
3561 get_version(){
3562     name=$1
3563     file=$source_path/$2
3564     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3565     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3566     lcname=$(tolower $name)
3567     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3568     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3569 }
3570
3571 get_version LIBSWSCALE  libswscale/swscale.h
3572 get_version LIBSWRESAMPLE libswresample/swresample.h
3573 get_version LIBPOSTPROC libpostproc/postprocess.h
3574 get_version LIBAVCODEC  libavcodec/version.h
3575 get_version LIBAVDEVICE libavdevice/avdevice.h
3576 get_version LIBAVFORMAT libavformat/version.h
3577 get_version LIBAVUTIL   libavutil/avutil.h
3578 get_version LIBAVFILTER libavfilter/avfilter.h
3579
3580 cat > $TMPH <<EOF
3581 /* Automatically generated by configure - do not modify! */
3582 #ifndef FFMPEG_CONFIG_H
3583 #define FFMPEG_CONFIG_H
3584 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3585 #define FFMPEG_LICENSE "$(c_escape $license)"
3586 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3587 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3588 #define CC_TYPE "$cc_type"
3589 #define CC_VERSION $cc_version
3590 #define restrict $_restrict
3591 #define EXTERN_PREFIX "${extern_prefix}"
3592 #define EXTERN_ASM ${extern_prefix}
3593 #define SLIBSUF "$SLIBSUF"
3594 EOF
3595
3596 test -n "$malloc_prefix" &&
3597     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3598
3599 if enabled small || disabled optimizations; then
3600     echo "#undef  av_always_inline"  >> $TMPH
3601     if enabled small; then
3602         echo "#define av_always_inline inline"  >> $TMPH
3603     else
3604         echo "#define av_always_inline av_unused"  >> $TMPH
3605     fi
3606 fi
3607
3608 if enabled yasm; then
3609     append config_files $TMPASM
3610     printf '' >$TMPASM
3611 fi
3612
3613 print_config ARCH_   "$config_files" $ARCH_LIST
3614 print_config HAVE_   "$config_files" $HAVE_LIST
3615 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3616                                      $CONFIG_EXTRA      \
3617                                      $DECODER_LIST      \
3618                                      $ENCODER_LIST      \
3619                                      $HWACCEL_LIST      \
3620                                      $PARSER_LIST       \
3621                                      $BSF_LIST          \
3622                                      $DEMUXER_LIST      \
3623                                      $MUXER_LIST        \
3624                                      $FILTER_LIST       \
3625                                      $PROTOCOL_LIST     \
3626                                      $INDEV_LIST        \
3627                                      $OUTDEV_LIST       \
3628
3629 cat >>config.mak <<EOF
3630 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3631 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3632 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3633 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3634 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3635 EOF
3636
3637 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3638 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3639
3640 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3641 cp_if_changed $TMPH config.h
3642 touch .config
3643
3644 enabled yasm && cp_if_changed $TMPASM config.asm
3645
3646 cat > $TMPH <<EOF
3647 /* Generated by ffconf */
3648 #ifndef AVUTIL_AVCONFIG_H
3649 #define AVUTIL_AVCONFIG_H
3650 EOF
3651
3652 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3653
3654 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3655
3656 cp_if_changed $TMPH libavutil/avconfig.h
3657
3658 test -n "$WARNINGS" && printf "\n$WARNINGS"
3659
3660 # build pkg-config files
3661
3662 pkgconfig_generate(){
3663 name=$1
3664 shortname=${name#lib}${build_suffix}
3665 comment=$2
3666 version=$3
3667 libs=$4
3668 requires=$5
3669 enabled ${name#lib} || return 0
3670 mkdir -p $name
3671 cat <<EOF > $name/$name.pc
3672 prefix=$prefix
3673 exec_prefix=\${prefix}
3674 libdir=$libdir
3675 includedir=$incdir
3676
3677 Name: $name
3678 Description: $comment
3679 Version: $version
3680 Requires: $(enabled shared || echo $requires)
3681 Requires.private: $(enabled shared && echo $requires)
3682 Conflicts:
3683 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3684 Libs.private: $(enabled shared && echo $libs)
3685 Cflags: -I\${includedir}
3686 EOF
3687 cat <<EOF > $name/$name-uninstalled.pc
3688 prefix=
3689 exec_prefix=
3690 libdir=\${pcfiledir}
3691 includedir=${source_path}
3692
3693 Name: $name
3694 Description: $comment
3695 Version: $version
3696 Requires: $requires
3697 Conflicts:
3698 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3699 Cflags: -I\${includedir}
3700 EOF
3701 }
3702
3703 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3704 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3705 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3706 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3707 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3708 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3709 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3710 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"