h264: Fix a possible overread in decode_nal_units()
[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     ebp_available
1161     ebx_available
1162     exp2
1163     exp2f
1164     fast_64bit
1165     fast_clz
1166     fast_cmov
1167     fcntl
1168     fork
1169     getaddrinfo
1170     gethrtime
1171     GetProcessMemoryInfo
1172     GetProcessTimes
1173     getrusage
1174     gnu_as
1175     struct_rusage_ru_maxrss
1176     ibm_asm
1177     inet_aton
1178     inline_asm
1179     isatty
1180     kbhit
1181     ldbrx
1182     llrint
1183     llrintf
1184     local_aligned_16
1185     local_aligned_8
1186     localtime_r
1187     log2
1188     log2f
1189     loongson
1190     lrint
1191     lrintf
1192     lzo1x_999_compress
1193     machine_ioctl_bt848_h
1194     machine_ioctl_meteor_h
1195     malloc_h
1196     MapViewOfFile
1197     memalign
1198     mkstemp
1199     mmap
1200     PeekNamedPipe
1201     posix_memalign
1202     round
1203     roundf
1204     sdl
1205     sdl_video_size
1206     setmode
1207     sndio_h
1208     socklen_t
1209     soundcard_h
1210     poll_h
1211     setrlimit
1212     strerror_r
1213     strptime
1214     struct_addrinfo
1215     struct_ipv6_mreq
1216     struct_sockaddr_in6
1217     struct_sockaddr_sa_len
1218     struct_sockaddr_storage
1219     symver
1220     symver_gnu_asm
1221     symver_asm_label
1222     sys_mman_h
1223     sys_resource_h
1224     sys_select_h
1225     sys_soundcard_h
1226     sys_videoio_h
1227     termios_h
1228     threads
1229     trunc
1230     truncf
1231     vfp_args
1232     VirtualAlloc
1233     winsock2_h
1234     xform_asm
1235     xmm_clobbers
1236     yasm
1237 "
1238
1239 # options emitted with CONFIG_ prefix but not available on command line
1240 CONFIG_EXTRA="
1241     avutil
1242     gplv3
1243     lgplv3
1244 "
1245
1246 CMDLINE_SELECT="
1247     $ARCH_EXT_LIST
1248     $CONFIG_LIST
1249     $THREADS_LIST
1250     asm
1251     coverage
1252     cross_compile
1253     debug
1254     extra_warnings
1255     logging
1256     optimizations
1257     stripping
1258     symver
1259     yasm
1260 "
1261
1262 PATHS_LIST='
1263     bindir
1264     datadir
1265     incdir
1266     libdir
1267     mandir
1268     prefix
1269     shlibdir
1270 '
1271
1272 CMDLINE_SET="
1273     $PATHS_LIST
1274     ar
1275     arch
1276     as
1277     build_suffix
1278     progs_suffix
1279     cc
1280     cpu
1281     cross_prefix
1282     cxx
1283     dep_cc
1284     extra_version
1285     host_cc
1286     host_cflags
1287     host_ldflags
1288     host_libs
1289     host_os
1290     install
1291     ld
1292     logfile
1293     malloc_prefix
1294     nm
1295     optflags
1296     pkg_config
1297     samples
1298     strip
1299     sysinclude
1300     sysroot
1301     target_exec
1302     target_os
1303     target_path
1304 "
1305
1306 CMDLINE_APPEND="
1307     extra_cflags
1308     extra_cxxflags
1309 "
1310
1311 # code dependency declarations
1312
1313 # architecture extensions
1314
1315 armv5te_deps="arm"
1316 armv6_deps="arm"
1317 armv6t2_deps="arm"
1318 armvfp_deps="arm"
1319 iwmmxt_deps="arm"
1320 neon_deps="arm"
1321 vfpv3_deps="armvfp"
1322
1323 mmi_deps="mips"
1324
1325 altivec_deps="ppc"
1326 ppc4xx_deps="ppc"
1327
1328 vis_deps="sparc"
1329
1330 x86_64_suggest="cmov fast_cmov"
1331 amd3dnow_deps="mmx"
1332 amd3dnowext_deps="amd3dnow"
1333 mmx_deps="x86"
1334 mmx2_deps="mmx"
1335 sse_deps="mmx"
1336 ssse3_deps="sse"
1337 avx_deps="ssse3"
1338
1339 aligned_stack_if_any="ppc x86"
1340 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1341 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1342 fast_unaligned_if_any="armv6 ppc x86"
1343
1344 need_memalign="altivec neon sse"
1345 inline_asm_deps="!tms470"
1346
1347 symver_if_any="symver_asm_label symver_gnu_asm"
1348
1349 # subsystems
1350 dct_select="rdft"
1351 mdct_select="fft"
1352 rdft_select="fft"
1353 mpegaudiodsp_select="dct"
1354
1355 # decoders / encoders / hardware accelerators
1356 aac_decoder_select="mdct sinewin"
1357 aac_encoder_select="mdct sinewin"
1358 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1359 ac3_decoder_select="mdct ac3dsp ac3_parser"
1360 ac3_encoder_select="mdct ac3dsp"
1361 ac3_fixed_encoder_select="mdct ac3dsp"
1362 alac_encoder_select="lpc"
1363 amrnb_decoder_select="lsp"
1364 amrwb_decoder_select="lsp"
1365 atrac1_decoder_select="mdct sinewin"
1366 atrac3_decoder_select="mdct"
1367 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1368 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1369 cavs_decoder_select="golomb"
1370 cook_decoder_select="mdct sinewin"
1371 cscd_decoder_suggest="zlib"
1372 dca_decoder_select="mdct"
1373 dnxhd_encoder_select="aandct"
1374 dxa_decoder_select="zlib"
1375 eac3_decoder_select="ac3_decoder"
1376 eac3_encoder_select="mdct ac3dsp"
1377 eamad_decoder_select="aandct"
1378 eatgq_decoder_select="aandct"
1379 eatqi_decoder_select="aandct"
1380 ffv1_decoder_select="golomb"
1381 flac_decoder_select="golomb"
1382 flac_encoder_select="golomb lpc"
1383 flashsv_decoder_select="zlib"
1384 flashsv_encoder_select="zlib"
1385 flashsv2_encoder_select="zlib"
1386 flashsv2_decoder_select="zlib"
1387 flv_decoder_select="h263_decoder"
1388 flv_encoder_select="h263_encoder"
1389 fraps_decoder_select="huffman"
1390 h261_encoder_select="aandct"
1391 h263_decoder_select="h263_parser"
1392 h263_encoder_select="aandct"
1393 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1394 h263i_decoder_select="h263_decoder"
1395 h263p_encoder_select="h263_encoder"
1396 h264_decoder_select="golomb h264dsp h264pred"
1397 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1398 h264_dxva2_hwaccel_deps="dxva2api_h"
1399 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1400 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1401 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1402 h264_vda_hwaccel_select="vda h264_decoder"
1403 h264_vdpau_decoder_select="vdpau h264_decoder"
1404 imc_decoder_select="fft mdct sinewin"
1405 jpegls_decoder_select="golomb"
1406 jpegls_encoder_select="golomb"
1407 ljpeg_encoder_select="aandct"
1408 loco_decoder_select="golomb"
1409 mjpeg_encoder_select="aandct"
1410 mlp_decoder_select="mlp_parser"
1411 mp1_decoder_select="mpegaudiodsp"
1412 mp2_decoder_select="mpegaudiodsp"
1413 mp3adu_decoder_select="mpegaudiodsp"
1414 mp3_decoder_select="mpegaudiodsp"
1415 mp3on4_decoder_select="mpegaudiodsp"
1416 mp1float_decoder_select="mpegaudiodsp"
1417 mp2float_decoder_select="mpegaudiodsp"
1418 mp3adufloat_decoder_select="mpegaudiodsp"
1419 mp3float_decoder_select="mpegaudiodsp"
1420 mp3on4float_decoder_select="mpegaudiodsp"
1421 mpeg1video_encoder_select="aandct"
1422 mpeg2video_encoder_select="aandct"
1423 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1424 mpeg4_encoder_select="h263_encoder"
1425 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1426 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1427 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1428 mpeg2_crystalhd_decoder_select="crystalhd"
1429 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1430 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1431 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1432 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1433 mpeg4_crystalhd_decoder_select="crystalhd"
1434 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1435 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1436 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1437 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1438 msmpeg4_crystalhd_decoder_select="crystalhd"
1439 msmpeg4v1_decoder_select="h263_decoder"
1440 msmpeg4v1_encoder_select="h263_encoder"
1441 msmpeg4v2_decoder_select="h263_decoder"
1442 msmpeg4v2_encoder_select="h263_encoder"
1443 msmpeg4v3_decoder_select="h263_decoder"
1444 msmpeg4v3_encoder_select="h263_encoder"
1445 nellymoser_decoder_select="mdct sinewin"
1446 nellymoser_encoder_select="mdct sinewin"
1447 png_decoder_select="zlib"
1448 png_encoder_select="zlib"
1449 qcelp_decoder_select="lsp"
1450 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1451 ra_144_encoder_select="lpc"
1452 rv10_decoder_select="h263_decoder"
1453 rv10_encoder_select="h263_encoder"
1454 rv20_decoder_select="h263_decoder"
1455 rv20_encoder_select="h263_encoder"
1456 rv30_decoder_select="golomb h264pred"
1457 rv40_decoder_select="golomb h264pred"
1458 shorten_decoder_select="golomb"
1459 sipr_decoder_select="lsp"
1460 snow_decoder_select="dwt"
1461 snow_encoder_select="aandct dwt"
1462 sonic_decoder_select="golomb"
1463 sonic_encoder_select="golomb"
1464 sonic_ls_encoder_select="golomb"
1465 svq1_encoder_select="aandct"
1466 svq3_decoder_select="golomb h264dsp h264pred"
1467 svq3_decoder_suggest="zlib"
1468 theora_decoder_select="vp3_decoder"
1469 tiff_decoder_suggest="zlib"
1470 tiff_encoder_suggest="zlib"
1471 truehd_decoder_select="mlp_decoder"
1472 tscc_decoder_select="zlib"
1473 twinvq_decoder_select="mdct lsp sinewin"
1474 vc1_decoder_select="h263_decoder"
1475 vc1_crystalhd_decoder_select="crystalhd"
1476 vc1_dxva2_hwaccel_deps="dxva2api_h"
1477 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1478 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1479 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1480 vc1image_decoder_select="vc1_decoder"
1481 vorbis_decoder_select="mdct"
1482 vorbis_encoder_select="mdct"
1483 vp6_decoder_select="huffman"
1484 vp6a_decoder_select="vp6_decoder"
1485 vp6f_decoder_select="vp6_decoder"
1486 vp8_decoder_select="h264pred"
1487 wmapro_decoder_select="mdct sinewin"
1488 wmav1_decoder_select="mdct sinewin"
1489 wmav1_encoder_select="mdct sinewin"
1490 wmav2_decoder_select="mdct sinewin"
1491 wmav2_encoder_select="mdct sinewin"
1492 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1493 wmv1_decoder_select="h263_decoder"
1494 wmv1_encoder_select="h263_encoder"
1495 wmv2_decoder_select="h263_decoder"
1496 wmv2_encoder_select="h263_encoder"
1497 wmv3_decoder_select="vc1_decoder"
1498 wmv3_crystalhd_decoder_select="crystalhd"
1499 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1500 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1501 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1502 wmv3image_decoder_select="wmv3_decoder"
1503 zlib_decoder_select="zlib"
1504 zlib_encoder_select="zlib"
1505 zmbv_decoder_select="zlib"
1506 zmbv_encoder_select="zlib"
1507
1508 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1509 vaapi_deps="va_va_h"
1510 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1511 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1512
1513 # parsers
1514 h264_parser_select="golomb h264dsp h264pred"
1515
1516 # external libraries
1517 libaacplus_encoder_deps="libaacplus"
1518 libcelt_decoder_deps="libcelt"
1519 libdirac_decoder_deps="libdirac !libschroedinger"
1520 libdirac_encoder_deps="libdirac"
1521 libfaac_encoder_deps="libfaac"
1522 libgsm_decoder_deps="libgsm"
1523 libgsm_encoder_deps="libgsm"
1524 libgsm_ms_decoder_deps="libgsm"
1525 libgsm_ms_encoder_deps="libgsm"
1526 libmodplug_demuxer_deps="libmodplug"
1527 libmp3lame_encoder_deps="libmp3lame"
1528 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1529 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1530 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1531 libopenjpeg_decoder_deps="libopenjpeg"
1532 libopenjpeg_encoder_deps="libopenjpeg"
1533 libschroedinger_decoder_deps="libschroedinger"
1534 libschroedinger_encoder_deps="libschroedinger"
1535 libspeex_decoder_deps="libspeex"
1536 libspeex_encoder_deps="libspeex"
1537 libstagefright_h264_decoder_deps="libstagefright_h264"
1538 libtheora_encoder_deps="libtheora"
1539 libvo_aacenc_encoder_deps="libvo_aacenc"
1540 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1541 libvorbis_encoder_deps="libvorbis"
1542 libvpx_decoder_deps="libvpx"
1543 libvpx_encoder_deps="libvpx"
1544 libx264_encoder_deps="libx264"
1545 libx264rgb_encoder_deps="libx264"
1546 libxavs_encoder_deps="libxavs"
1547 libxvid_encoder_deps="libxvid"
1548 libutvideo_decoder_deps="libutvideo gpl"
1549
1550 # demuxers / muxers
1551 ac3_demuxer_select="ac3_parser"
1552 asf_stream_muxer_select="asf_muxer"
1553 avisynth_demuxer_deps="avisynth"
1554 dirac_demuxer_select="dirac_parser"
1555 eac3_demuxer_select="ac3_parser"
1556 flac_demuxer_select="flac_parser"
1557 ipod_muxer_select="mov_muxer"
1558 libnut_demuxer_deps="libnut"
1559 libnut_muxer_deps="libnut"
1560 matroska_audio_muxer_select="matroska_muxer"
1561 matroska_demuxer_suggest="zlib bzlib"
1562 mov_demuxer_suggest="zlib"
1563 mp3_demuxer_select="mpegaudio_parser"
1564 mp4_muxer_select="mov_muxer"
1565 mpegtsraw_demuxer_select="mpegts_demuxer"
1566 mxf_d10_muxer_select="mxf_muxer"
1567 ogg_demuxer_select="golomb"
1568 psp_muxer_select="mov_muxer"
1569 rtp_demuxer_select="sdp_demuxer"
1570 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1571 rtsp_demuxer_select="http_protocol rtpdec"
1572 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1573 sap_demuxer_select="sdp_demuxer"
1574 sap_muxer_select="rtp_muxer rtp_protocol"
1575 sdp_demuxer_select="rtpdec"
1576 spdif_muxer_select="aac_parser"
1577 tg2_muxer_select="mov_muxer"
1578 tgp_muxer_select="mov_muxer"
1579 w64_demuxer_deps="wav_demuxer"
1580
1581 # indevs / outdevs
1582 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1583 alsa_outdev_deps="alsa_asoundlib_h"
1584 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1585 dshow_indev_deps="IBaseFilter"
1586 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1587 dv1394_indev_deps="dv1394 dv_demuxer"
1588 fbdev_indev_deps="linux_fb_h"
1589 jack_indev_deps="jack_jack_h sem_timedwait"
1590 lavfi_indev_deps="avfilter"
1591 libcdio_indev_deps="libcdio"
1592 libdc1394_indev_deps="libdc1394"
1593 libv4l2_indev_deps="libv4l2"
1594 openal_indev_deps="openal"
1595 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1596 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1597 pulse_indev_deps="libpulse"
1598 sdl_outdev_deps="sdl"
1599 sndio_indev_deps="sndio_h"
1600 sndio_outdev_deps="sndio_h"
1601 v4l_indev_deps="linux_videodev_h"
1602 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1603 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1604 vfwcap_indev_extralibs="-lavicap32"
1605 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1606 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1607
1608 # protocols
1609 gopher_protocol_deps="network"
1610 httpproxy_protocol_deps="network"
1611 httpproxy_protocol_select="tcp_protocol"
1612 http_protocol_deps="network"
1613 http_protocol_select="tcp_protocol"
1614 https_protocol_select="tls_protocol"
1615 mmsh_protocol_select="http_protocol"
1616 mmst_protocol_deps="network"
1617 rtmp_protocol_select="tcp_protocol"
1618 rtp_protocol_select="udp_protocol"
1619 tcp_protocol_deps="network"
1620 tls_protocol_deps_any="openssl gnutls"
1621 tls_protocol_select="tcp_protocol"
1622 udp_protocol_deps="network"
1623
1624 # filters
1625 amovie_filter_deps="avcodec avformat"
1626 ass_filter_deps="libass"
1627 blackframe_filter_deps="gpl"
1628 boxblur_filter_deps="gpl"
1629 cropdetect_filter_deps="gpl"
1630 delogo_filter_deps="gpl"
1631 drawtext_filter_deps="libfreetype"
1632 frei0r_filter_deps="frei0r dlopen"
1633 frei0r_src_filter_deps="frei0r dlopen"
1634 hqdn3d_filter_deps="gpl"
1635 movie_filter_deps="avcodec avformat"
1636 mp_filter_deps="gpl avcodec"
1637 mptestsrc_filter_deps="gpl"
1638 negate_filter_deps="lut_filter"
1639 ocv_filter_deps="libopencv"
1640 scale_filter_deps="swscale"
1641 yadif_filter_deps="gpl"
1642
1643 # libraries
1644 avdevice_deps="avcodec avformat"
1645 avformat_deps="avcodec"
1646 postproc_deps="gpl"
1647
1648 # programs
1649 ffmpeg_deps="avcodec avformat swscale swresample"
1650 ffmpeg_select="buffer_filter buffersink_filter"
1651 avconv_deps="avcodec avformat swscale"
1652 avconv_select="buffer_filter"
1653 ffplay_deps="avcodec avformat swscale sdl"
1654 ffplay_select="buffersink_filter rdft"
1655 ffprobe_deps="avcodec avformat"
1656 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1657 ffserver_extralibs='$ldl'
1658
1659 doc_deps="texi2html"
1660
1661 # tests
1662
1663 test_deps(){
1664     suf1=$1
1665     suf2=$2
1666     shift 2
1667     for v; do
1668         dep=${v%=*}
1669         tests=${v#*=}
1670         for name in ${tests}; do
1671             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1672         done
1673     done
1674 }
1675
1676 mxf_d10_test_deps="avfilter"
1677 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1678
1679 test_deps _encoder _decoder                                             \
1680     adpcm_g726=g726                                                     \
1681     adpcm_ima_qt                                                        \
1682     adpcm_ima_wav                                                       \
1683     adpcm_ms                                                            \
1684     adpcm_swf                                                           \
1685     adpcm_yamaha=adpcm_yam                                              \
1686     alac                                                                \
1687     asv1                                                                \
1688     asv2                                                                \
1689     bmp                                                                 \
1690     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1691     dvvideo="dv dv_411 dv50"                                            \
1692     ffv1                                                                \
1693     flac                                                                \
1694     flashsv                                                             \
1695     flv                                                                 \
1696     gif                                                                 \
1697     h261                                                                \
1698     h263="h263 h263p"                                                   \
1699     huffyuv                                                             \
1700     jpegls                                                              \
1701     mjpeg="jpg mjpeg ljpeg"                                             \
1702     mp2                                                                 \
1703     mpeg1video="mpeg mpeg1b"                                            \
1704     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1705     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1706     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1707     mpeg4="mpeg4thread error rc"                                        \
1708     msmpeg4v3=msmpeg4                                                   \
1709     msmpeg4v2                                                           \
1710     pbm=pbmpipe                                                         \
1711     pcx                                                                 \
1712     pgm="pgm pgmpipe"                                                   \
1713     png                                                                 \
1714     ppm="ppm ppmpipe"                                                   \
1715     rawvideo="rgb yuv"                                                  \
1716     roq                                                                 \
1717     rv10                                                                \
1718     rv20                                                                \
1719     sgi                                                                 \
1720     snow="snow snowll"                                                  \
1721     svq1                                                                \
1722     targa=tga                                                           \
1723     tiff                                                                \
1724     wmav1                                                               \
1725     wmav2                                                               \
1726     wmv1                                                                \
1727     wmv2                                                                \
1728
1729 test_deps _muxer _demuxer                                               \
1730     aiff                                                                \
1731     pcm_alaw=alaw                                                       \
1732     asf                                                                 \
1733     au                                                                  \
1734     avi                                                                 \
1735     dv=dv_fmt                                                           \
1736     ffm                                                                 \
1737     flv=flv_fmt                                                         \
1738     gxf                                                                 \
1739     matroska=mkv                                                        \
1740     mmf                                                                 \
1741     mov                                                                 \
1742     pcm_mulaw=mulaw                                                     \
1743     mxf="mxf mxf_d10"                                                   \
1744     nut                                                                 \
1745     ogg                                                                 \
1746     rawvideo=pixfmt                                                     \
1747     rm                                                                  \
1748     swf                                                                 \
1749     mpegts=ts                                                           \
1750     voc                                                                 \
1751     wav                                                                 \
1752     yuv4mpegpipe=yuv4mpeg                                               \
1753
1754 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1755 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1756
1757 # default parameters
1758
1759 logfile="config.log"
1760
1761 # installation paths
1762 prefix_default="/usr/local"
1763 bindir_default='${prefix}/bin'
1764 datadir_default='${prefix}/share/ffmpeg'
1765 incdir_default='${prefix}/include'
1766 libdir_default='${prefix}/lib'
1767 mandir_default='${prefix}/share/man'
1768 shlibdir_default="$libdir_default"
1769
1770 # toolchain
1771 ar_default="ar"
1772 cc_default="gcc"
1773 cxx_default="g++"
1774 cc_version=\"unknown\"
1775 host_cc_default="gcc"
1776 install="install"
1777 ln_s="ln -sf"
1778 nm_default="nm"
1779 objformat="elf"
1780 pkg_config_default=pkg-config
1781 ranlib="ranlib"
1782 strip_default="strip"
1783 yasmexe="yasm"
1784 nogas=":"
1785
1786 nm_opts='-g'
1787
1788 # machine
1789 arch_default=$(uname -m)
1790 cpu="generic"
1791
1792 # OS
1793 target_os_default=$(tolower $(uname -s))
1794 host_os=$target_os_default
1795
1796 # configurable options
1797 enable avcodec
1798 enable avdevice
1799 enable avfilter
1800 enable avformat
1801 enable avutil
1802 enable asm
1803 enable debug
1804 enable doc
1805 enable fastdiv
1806 enable ffmpeg
1807 enable ffplay
1808 enable ffprobe
1809 enable ffserver
1810 enable network
1811 enable optimizations
1812 enable postproc
1813 enable protocols
1814 enable safe_bitstream_reader
1815 enable static
1816 enable stripping
1817 enable swresample
1818 enable swscale
1819 enable swscale_alpha
1820
1821 # build settings
1822 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1823 FFSERVERLDFLAGS=-Wl,-E
1824 LIBPREF="lib"
1825 LIBSUF=".a"
1826 FULLNAME='$(NAME)$(BUILDSUF)'
1827 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1828 SLIBPREF="lib"
1829 SLIBSUF=".so"
1830 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1831 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1832 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1833 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1834 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1835 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1836
1837 AS_O='-o $@'
1838 CC_O='-o $@'
1839 CXX_O='-o $@'
1840
1841 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1842 host_libs='-lm'
1843
1844 target_path='$(CURDIR)'
1845
1846 # since the object filename is not given with the -MM flag, the compiler
1847 # is only able to print the basename, and we must add the path ourselves
1848 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1849 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1850
1851 # find source path
1852 if test -f configure; then
1853     source_path=.
1854 else
1855     source_path=$(cd $(dirname "$0"); pwd)
1856     echo "$source_path" | grep -q '[[:blank:]]' &&
1857         die "Out of tree builds are impossible with whitespace in source path."
1858     test -e "$source_path/config.h" &&
1859         die "Out of tree builds are impossible with config.h in source dir."
1860 fi
1861
1862 for v in "$@"; do
1863     r=${v#*=}
1864     l=${v%"$r"}
1865     r=$(sh_quote "$r")
1866     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1867 done
1868
1869 find_things(){
1870     thing=$1
1871     pattern=$2
1872     file=$source_path/$3
1873     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1874 }
1875
1876 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1877 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1878 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1879 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1880 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1881 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1882 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1883 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1884 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1885 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1886 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1887
1888 find_tests(){
1889     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1890 }
1891
1892 ACODEC_TESTS=$(find_tests acodec)
1893 VCODEC_TESTS=$(find_tests vsynth1)
1894 LAVF_TESTS=$(find_tests lavf)
1895 LAVFI_TESTS=$(find_tests lavfi)
1896 SEEK_TESTS=$(find_tests seek seek_)
1897
1898 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1899
1900 for n in $COMPONENT_LIST; do
1901     v=$(toupper ${n%s})_LIST
1902     eval enable \$$v
1903     eval ${n}_if_any="\$$v"
1904 done
1905
1906 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1907
1908 die_unknown(){
1909     echo "Unknown option \"$1\"."
1910     echo "See $0 --help for available options."
1911     exit 1
1912 }
1913
1914 show_list() {
1915     suffix=_$1
1916     shift
1917     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1918     exit 0
1919 }
1920
1921 for opt do
1922     optval="${opt#*=}"
1923     case "$opt" in
1924     --extra-ldflags=*) add_ldflags $optval
1925     ;;
1926     --extra-libs=*) add_extralibs $optval
1927     ;;
1928     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1929     ;;
1930     --enable-debug=*) debuglevel="$optval"
1931     ;;
1932     --disable-everything)
1933     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1934     ;;
1935     --enable-*=*|--disable-*=*)
1936     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1937     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1938     eval list=\$$(toupper $thing)_LIST
1939     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1940     $action $(filter "$name" $list)
1941     ;;
1942     --enable-?*|--disable-?*)
1943     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1944     if is_in $option $COMPONENT_LIST; then
1945         test $action = disable && action=unset
1946         eval $action \$$(toupper ${option%s})_LIST
1947     elif is_in $option $CMDLINE_SELECT; then
1948         $action $option
1949     else
1950         die_unknown $opt
1951     fi
1952     ;;
1953     --list-*)
1954         NAME="${opt#--list-}"
1955         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1956         NAME=${NAME%s}
1957         eval show_list $NAME \$$(toupper $NAME)_LIST
1958     ;;
1959     --help|-h) show_help
1960     ;;
1961     *)
1962     optname="${opt%%=*}"
1963     optname="${optname#--}"
1964     optname=$(echo "$optname" | sed 's/-/_/g')
1965     if is_in $optname $CMDLINE_SET; then
1966         eval $optname='$optval'
1967     elif is_in $optname $CMDLINE_APPEND; then
1968         append $optname "$optval"
1969     else
1970          die_unknown $opt
1971     fi
1972     ;;
1973     esac
1974 done
1975
1976 disabled logging && logfile=/dev/null
1977
1978 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1979 set >> $logfile
1980
1981 test -n "$cross_prefix" && enable cross_compile
1982
1983 if enabled cross_compile; then
1984     test -n "$arch" && test -n "$target_os" ||
1985         die "Must specify target arch and OS when cross-compiling"
1986 fi
1987
1988 set_default arch target_os
1989
1990 ar_default="${cross_prefix}${ar_default}"
1991 cc_default="${cross_prefix}${cc_default}"
1992 cxx_default="${cross_prefix}${cxx_default}"
1993 nm_default="${cross_prefix}${nm_default}"
1994 pkg_config_default="${cross_prefix}${pkg_config_default}"
1995 ranlib="${cross_prefix}${ranlib}"
1996 strip_default="${cross_prefix}${strip_default}"
1997
1998 sysinclude_default="${sysroot}/usr/include"
1999
2000 set_default cc cxx nm pkg_config strip sysinclude
2001 enabled cross_compile || host_cc_default=$cc
2002 set_default host_cc
2003
2004 if ! $pkg_config --version >/dev/null 2>&1; then
2005     warn "$pkg_config not found, library detection may fail."
2006     pkg_config=false
2007 fi
2008
2009 exesuf() {
2010     case $1 in
2011         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2012     esac
2013 }
2014
2015 EXESUF=$(exesuf $target_os)
2016 HOSTEXESUF=$(exesuf $host_os)
2017
2018 # set temporary file name
2019 : ${TMPDIR:=$TEMPDIR}
2020 : ${TMPDIR:=$TMP}
2021 : ${TMPDIR:=/tmp}
2022
2023 if ! check_cmd mktemp -u XXXXXX; then
2024     # simple replacement for missing mktemp
2025     # NOT SAFE FOR GENERAL USE
2026     mktemp(){
2027         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2028     }
2029 fi
2030
2031 tmpfile(){
2032     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2033         (set -C; exec > $tmp) 2>/dev/null ||
2034         die "Unable to create temporary file in $TMPDIR."
2035     append TMPFILES $tmp
2036     eval $1=$tmp
2037 }
2038
2039 trap 'rm -f -- $TMPFILES' EXIT
2040
2041 tmpfile TMPC  .c
2042 tmpfile TMPCPP .cpp
2043 tmpfile TMPE  $EXESUF
2044 tmpfile TMPH  .h
2045 tmpfile TMPO  .o
2046 tmpfile TMPS  .S
2047 tmpfile TMPV  .ver
2048 tmpfile TMPSH .sh
2049 tmpfile TMPASM .asm
2050
2051 unset -f mktemp
2052
2053 chmod +x $TMPE
2054
2055 # make sure we can execute files in $TMPDIR
2056 cat > $TMPSH 2>> $logfile <<EOF
2057 #! /bin/sh
2058 EOF
2059 chmod +x $TMPSH >> $logfile 2>&1
2060 if ! $TMPSH >> $logfile 2>&1; then
2061     cat <<EOF
2062 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2063 variable to another directory and make sure that it is not mounted noexec.
2064 EOF
2065     die "Sanity test failed."
2066 fi
2067
2068 filter_cflags=echo
2069 filter_cppflags=echo
2070 filter_asflags=echo
2071
2072 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2073     cc_type=llvm_gcc
2074     cc_version=__VERSION__
2075     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2076     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2077     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2078     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2079     speed_cflags='-O3'
2080     size_cflags='-Os'
2081 elif $cc -v 2>&1 | grep -qi ^gcc; then
2082     cc_type=gcc
2083     cc_version=__VERSION__
2084     gcc_version=$($cc --version | head -n1)
2085     gcc_basever=$($cc -dumpversion)
2086     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2087     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2088     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2089     if ! $cc -dumpversion | grep -q '^2\.'; then
2090         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2091         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2092     fi
2093     speed_cflags='-O3'
2094     size_cflags='-Os'
2095 elif $cc --version 2>/dev/null | grep -q Intel; then
2096     cc_type=icc
2097     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2098     cc_ident=$($cc --version | head -n1)
2099     icc_version=$($cc -dumpversion)
2100     CC_DEPFLAGS='-MMD'
2101     AS_DEPFLAGS='-MMD'
2102     speed_cflags='-O3'
2103     size_cflags='-Os'
2104     noopt_cflags='-O1'
2105 elif $cc -v 2>&1 | grep -q xlc; then
2106     cc_type=xlc
2107     cc_version="AV_STRINGIFY(__IBMC__)"
2108     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2109     speed_cflags='-O5'
2110     size_cflags='-O5 -qcompact'
2111 elif $cc -V 2>/dev/null | grep -q Compaq; then
2112     cc_type=ccc
2113     cc_version="AV_STRINGIFY(__DECC_VER)"
2114     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2115     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2116     debuglevel=3
2117     add_ldflags -Wl,-z,now # calls to libots crash without this
2118     speed_cflags='-fast'
2119     size_cflags='-O1'
2120 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2121     test -d "$sysroot" || die "No valid sysroot specified."
2122     cc_type=armcc
2123     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2124     cc_ident=$($cc --vsn | head -n1)
2125     armcc_conf="$PWD/armcc.conf"
2126     $cc --arm_linux_configure                 \
2127         --arm_linux_config_file="$armcc_conf" \
2128         --configure_sysroot="$sysroot"        \
2129         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2130         die "Error creating armcc configuration file."
2131     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2132     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2133     as_default="${cross_prefix}gcc"
2134     CC_DEPFLAGS='-MMD'
2135     AS_DEPFLAGS='-MMD'
2136     speed_cflags='-O3'
2137     size_cflags='-Os'
2138     filter_asflags="filter_out -W${armcc_opt}*"
2139 elif $cc -version 2>/dev/null | grep -q TMS470; then
2140     cc_type=tms470
2141     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2142     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2143     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2144     CC_O='-fr=$(@D)'
2145     as_default="${cross_prefix}gcc"
2146     ld_default="${cross_prefix}gcc"
2147     TMPO=$(basename $TMPC .c).o
2148     append TMPFILES $TMPO
2149     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2150     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2151     AS_DEPFLAGS='-MMD'
2152     speed_cflags='-O3 -mf=5'
2153     size_cflags='-O3 -mf=2'
2154     filter_cflags=tms470_flags
2155     tms470_flags(){
2156         for flag; do
2157             case $flag in
2158                 -march=*|-mcpu=*)
2159                     case "${flag#*=}" in
2160                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2161                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2162                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2163                         armv6*|arm11*)          echo -mv=6   ;;
2164                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2165                                                 echo -mv=5e  ;;
2166                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2167                     esac
2168                     ;;
2169                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2170                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2171                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2172                 -msoft-float)   echo --float_support=vfplib       ;;
2173                 -O[0-3]|-mf=*)  echo $flag                        ;;
2174                 -g)             echo -g -mn                       ;;
2175                 -pds=*)         echo $flag                        ;;
2176             esac
2177         done
2178     }
2179 elif $cc -v 2>&1 | grep -q clang; then
2180     cc_type=clang
2181     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2182         cc_version=__clang_version__ || cc_version=__VERSION__
2183     cc_ident=$($cc --version | head -n1)
2184     CC_DEPFLAGS='-MMD'
2185     AS_DEPFLAGS='-MMD'
2186     speed_cflags='-O3'
2187     size_cflags='-Os'
2188 elif $cc -V 2>&1 | grep -q Sun; then
2189     cc_type=suncc
2190     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2191     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2192     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2193     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2194     add_ldflags -xc99
2195     speed_cflags='-O5'
2196     size_cflags='-O5 -xspace'
2197     filter_cflags=suncc_flags
2198     suncc_flags(){
2199         for flag; do
2200             case $flag in
2201                 -march=*|-mcpu=*)
2202                     case "${flag#*=}" in
2203                         native)                   echo -xtarget=native       ;;
2204                         v9|niagara)               echo -xarch=sparc          ;;
2205                         ultrasparc)               echo -xarch=sparcvis       ;;
2206                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2207                         i586|pentium)             echo -xchip=pentium        ;;
2208                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2209                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2210                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2211                         pentium4*)          echo -xtarget=pentium4           ;;
2212                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2213                         *-sse3)             echo -xarch=sse3                 ;;
2214                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2215                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2216                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2217                         k8|opteron|athlon64|athlon-fx)
2218                                                   echo -xarch=sse2a          ;;
2219                         athlon*)                  echo -xarch=pentium_proa   ;;
2220                     esac
2221                     ;;
2222                 -std=c99)             echo -xc99              ;;
2223                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2224                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2225                 -W*,*)                echo $flag              ;;
2226                 -f*-*|-W*)                                    ;;
2227                 *)                    echo $flag              ;;
2228             esac
2229         done
2230     }
2231 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2232     cc_type=pathscale
2233     cc_version=__PATHSCALE__
2234     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2235     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2236     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2237     speed_cflags='-O2'
2238     size_cflags='-Os'
2239     filter_cflags='filter_out -Wdisabled-optimization'
2240 elif $cc -v 2>&1 | grep -q Open64; then
2241     cc_type=open64
2242     cc_version=__OPEN64__
2243     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2244     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2245     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2246     speed_cflags='-O2'
2247     size_cflags='-Os'
2248     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2249 fi
2250
2251 test -n "$cc_type" && enable $cc_type ||
2252     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2253
2254 : ${as_default:=$cc}
2255 : ${dep_cc_default:=$cc}
2256 : ${ld_default:=$cc}
2257 set_default ar as dep_cc ld
2258
2259 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2260 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2261 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2262
2263 add_cflags $extra_cflags
2264 add_cxxflags $extra_cxxflags
2265 add_asflags $extra_cflags
2266
2267 if test -n "$sysroot"; then
2268     case "$cc_type" in
2269         gcc|llvm_gcc|clang)
2270             add_cppflags --sysroot="$sysroot"
2271             add_ldflags --sysroot="$sysroot"
2272         ;;
2273         tms470)
2274             add_cppflags -I"$sysinclude"
2275             add_ldflags  --sysroot="$sysroot"
2276         ;;
2277     esac
2278 fi
2279
2280 if test "$cpu" = host; then
2281     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2282
2283     case "$cc_type" in
2284         gcc|llvm_gcc)
2285             check_native(){
2286                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2287                 sed -n "/cc1.*$1=/{
2288                             s/.*$1=\\([^ ]*\\).*/\\1/
2289                             p
2290                             q
2291                         }" $TMPE
2292             }
2293             cpu=$(check_native -march || check_native -mcpu)
2294         ;;
2295     esac
2296
2297     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2298 fi
2299
2300 # Deal with common $arch aliases
2301 case "$arch" in
2302     arm*|iPad*)
2303         arch="arm"
2304     ;;
2305     mips|mipsel|IP*)
2306         arch="mips"
2307     ;;
2308     mips64*)
2309         arch="mips"
2310         subarch="mips64"
2311     ;;
2312     parisc|hppa)
2313         arch="parisc"
2314     ;;
2315     parisc64|hppa64)
2316         arch="parisc"
2317         subarch="parisc64"
2318     ;;
2319     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2320         arch="ppc"
2321     ;;
2322     s390|s390x)
2323         arch="s390"
2324     ;;
2325     sh4|sh)
2326         arch="sh4"
2327     ;;
2328     sun4u|sparc64)
2329         arch="sparc"
2330         subarch="sparc64"
2331     ;;
2332     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2333         arch="x86"
2334     ;;
2335 esac
2336
2337 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2338 enable $arch
2339
2340 # Add processor-specific flags
2341 if test "$cpu" = generic; then
2342     : do nothing
2343 elif enabled ppc; then
2344
2345     case $(tolower $cpu) in
2346         601|ppc601|powerpc601)
2347             cpuflags="-mcpu=601"
2348             disable altivec
2349         ;;
2350         603*|ppc603*|powerpc603*)
2351             cpuflags="-mcpu=603"
2352             disable altivec
2353         ;;
2354         604*|ppc604*|powerpc604*)
2355             cpuflags="-mcpu=604"
2356             disable altivec
2357         ;;
2358         g3|75*|ppc75*|powerpc75*)
2359             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2360             disable altivec
2361         ;;
2362         g4|745*|ppc745*|powerpc745*)
2363             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2364         ;;
2365         74*|ppc74*|powerpc74*)
2366             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2367         ;;
2368         g5|970|ppc970|powerpc970|power4*)
2369             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2370         ;;
2371         cell)
2372             cpuflags="-mcpu=cell"
2373             enable ldbrx
2374         ;;
2375         e500v2)
2376             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2377             disable altivec
2378         ;;
2379         e500)
2380             cpuflags="-mcpu=8540 -mhard-float"
2381             disable altivec
2382         ;;
2383     esac
2384
2385 elif enabled x86; then
2386
2387     case $cpu in
2388         i[345]86|pentium)
2389             cpuflags="-march=$cpu"
2390             disable mmx
2391         ;;
2392         # targets that do NOT support conditional mov (cmov)
2393         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2394             cpuflags="-march=$cpu"
2395             disable cmov
2396         ;;
2397         # targets that do support conditional mov (cmov)
2398         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2399             cpuflags="-march=$cpu"
2400             enable cmov
2401             enable fast_cmov
2402         ;;
2403         # targets that do support conditional mov but on which it's slow
2404         pentium4|pentium4m|prescott|nocona)
2405             cpuflags="-march=$cpu"
2406             enable cmov
2407             disable fast_cmov
2408         ;;
2409     esac
2410
2411 elif enabled sparc; then
2412
2413     case $cpu in
2414         niagara)
2415             cpuflags="-mcpu=$cpu"
2416             disable vis
2417         ;;
2418         sparc64)
2419             cpuflags="-mcpu=v9"
2420         ;;
2421     esac
2422
2423 elif enabled arm; then
2424
2425     case $cpu in
2426         armv*)
2427             cpuflags="-march=$cpu"
2428             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2429         ;;
2430         *)
2431             cpuflags="-mcpu=$cpu"
2432             case $cpu in
2433                 cortex-a*)                               subarch=armv7a  ;;
2434                 cortex-r*)                               subarch=armv7r  ;;
2435                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2436                 arm11*)                                  subarch=armv6   ;;
2437                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2438                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2439             esac
2440         ;;
2441     esac
2442
2443 elif enabled alpha; then
2444
2445     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2446
2447 elif enabled bfin; then
2448
2449     cpuflags="-mcpu=$cpu"
2450
2451 elif enabled mips; then
2452
2453     cpuflags="-march=$cpu"
2454
2455 elif enabled avr32; then
2456
2457     case $cpu in
2458         ap7[02]0[0-2])
2459             subarch="avr32_ap"
2460             cpuflags="-mpart=$cpu"
2461         ;;
2462         ap)
2463             subarch="avr32_ap"
2464             cpuflags="-march=$cpu"
2465         ;;
2466         uc3[ab]*)
2467             subarch="avr32_uc"
2468             cpuflags="-mcpu=$cpu"
2469         ;;
2470         uc)
2471             subarch="avr32_uc"
2472             cpuflags="-march=$cpu"
2473         ;;
2474     esac
2475
2476 fi
2477
2478 add_cflags $cpuflags
2479 add_asflags $cpuflags
2480
2481 # compiler sanity check
2482 check_exec <<EOF
2483 int main(void){ return 0; }
2484 EOF
2485 if test "$?" != 0; then
2486     echo "$cc is unable to create an executable file."
2487     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2488         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2489         echo "Only do this if you know what cross compiling means."
2490     fi
2491     die "C compiler test failed."
2492 fi
2493
2494 add_cppflags -D_ISOC99_SOURCE
2495 add_cxxflags -D__STDC_CONSTANT_MACROS
2496 check_cflags -std=c99
2497 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2498 #include <stdlib.h>
2499 EOF
2500 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2501 #include <stdlib.h>
2502 EOF
2503
2504 check_host_cflags -std=c99
2505 check_host_cflags -Wall
2506
2507 case "$arch" in
2508     alpha|ia64|mips|parisc|sparc)
2509         spic=$shared
2510     ;;
2511     x86)
2512         subarch="x86_32"
2513         check_cc <<EOF && subarch="x86_64"
2514         int test[(int)sizeof(char*) - 7];
2515 EOF
2516         if test "$subarch" = "x86_64"; then
2517             spic=$shared
2518         fi
2519     ;;
2520     ppc)
2521         check_cc <<EOF && subarch="ppc64"
2522         int test[(int)sizeof(char*) - 7];
2523 EOF
2524     ;;
2525 esac
2526
2527 enable $subarch
2528 enabled spic && enable pic
2529
2530 # OS specific
2531 case $target_os in
2532     haiku)
2533         prefix_default="/boot/common"
2534         network_extralibs="-lnetwork"
2535         host_libs=
2536         ;;
2537     sunos)
2538         FFSERVERLDFLAGS=""
2539         SHFLAGS='-shared -Wl,-h,$$(@F)'
2540         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2541         network_extralibs="-lsocket -lnsl"
2542         add_cppflags -D__EXTENSIONS__
2543         # When using suncc to build, the Solaris linker will mark
2544         # an executable with each instruction set encountered by
2545         # the Solaris assembler.  As our libraries contain their own
2546         # guards for processor-specific code, instead suppress
2547         # generation of the HWCAPS ELF section on Solaris x86 only.
2548         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2549         nm_opts='-P -g'
2550         ;;
2551     netbsd)
2552         disable symver
2553         oss_indev_extralibs="-lossaudio"
2554         oss_outdev_extralibs="-lossaudio"
2555         ;;
2556     openbsd)
2557         enable malloc_aligned
2558         # On OpenBSD 4.5. the compiler does not use PIC unless
2559         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2560         # however the generated executable will not do anything
2561         # (simply quits with exit-code 1, no crash, no output).
2562         # Thus explicitly enable PIC here.
2563         enable pic
2564         disable symver
2565         SHFLAGS='-shared'
2566         oss_indev_extralibs="-lossaudio"
2567         oss_outdev_extralibs="-lossaudio"
2568         ;;
2569     dragonfly)
2570         enable malloc_aligned
2571         disable symver
2572         ;;
2573     freebsd)
2574         enable malloc_aligned
2575         ;;
2576     bsd/os)
2577         add_extralibs -lpoll -lgnugetopt
2578         strip="strip -d"
2579         ;;
2580     darwin)
2581         enable malloc_aligned
2582         gas="gas-preprocessor.pl $cc"
2583         enabled ppc && add_asflags -force_cpusubtype_ALL
2584         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2585         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2586         strip="${strip} -x"
2587         add_ldflags -Wl,-dynamic,-search_paths_first
2588         SLIBSUF=".dylib"
2589         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2590         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2591         FFSERVERLDFLAGS=-Wl,-bind_at_load
2592         objformat="macho"
2593         enabled x86_64 && objformat="macho64"
2594         enabled_any pic shared ||
2595             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2596         ;;
2597     mingw32*)
2598         if test $target_os = "mingw32ce"; then
2599             disable network
2600         else
2601             target_os=mingw32
2602         fi
2603         LIBTARGET=i386
2604         if enabled x86_64; then
2605             enable malloc_aligned
2606             LIBTARGET=x64
2607         elif enabled arm; then
2608             LIBTARGET=arm-wince
2609         fi
2610         shlibdir_default="$bindir_default"
2611         SLIBPREF=""
2612         SLIBSUF=".dll"
2613         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2614         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2615         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2616         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2617         SLIB_INSTALL_LINKS=
2618         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2619         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2620         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'
2621         objformat="win32"
2622         enable dos_paths
2623         check_cflags -fno-common
2624         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2625                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2626                 die "ERROR: MinGW runtime version must be >= 3.15."
2627         add_cppflags -U__STRICT_ANSI__
2628         ;;
2629     cygwin*)
2630         target_os=cygwin
2631         shlibdir_default="$bindir_default"
2632         SLIBPREF="cyg"
2633         SLIBSUF=".dll"
2634         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2635         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2636         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2637         objformat="win32"
2638         enable dos_paths
2639         check_cflags -fno-common
2640         add_cppflags -U__STRICT_ANSI__
2641         ;;
2642     *-dos|freedos|opendos)
2643         network_extralibs="-lsocket"
2644         objformat="coff"
2645         enable dos_paths
2646         add_cppflags -U__STRICT_ANSI__
2647         ;;
2648     linux)
2649         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2650         enable dv1394
2651         ;;
2652     irix*)
2653         target_os=irix
2654         ranlib="echo ignoring ranlib"
2655         ;;
2656     os/2*)
2657         strip="lxlite -CS"
2658         ln_s="cp -f"
2659         objformat="aout"
2660         add_cppflags -D_GNU_SOURCE
2661         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2662         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2663         FFSERVERLDFLAGS=""
2664         LIBSUF="_s.a"
2665         SLIBPREF=""
2666         SLIBSUF=".dll"
2667         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2668         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2669         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2670           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2671           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2672           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2673           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2674           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2675         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2676           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2677         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2678         enable dos_paths
2679         enable_weak os2threads
2680         ;;
2681     gnu/kfreebsd)
2682         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2683         ;;
2684     gnu)
2685         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2686         ;;
2687     qnx)
2688         add_cppflags -D_QNX_SOURCE
2689         network_extralibs="-lsocket"
2690         ;;
2691     symbian)
2692         SLIBSUF=".dll"
2693         enable dos_paths
2694         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2695         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2696         add_ldflags -Wl,--target1-abs,--no-undefined \
2697                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2698                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2699         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2700                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2701                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2702         ;;
2703     none)
2704         ;;
2705     *)
2706         die "Unknown OS '$target_os'."
2707         ;;
2708 esac
2709
2710 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2711
2712 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2713
2714 set_default $PATHS_LIST
2715
2716 # we need to build at least one lib type
2717 if ! enabled_any static shared; then
2718     cat <<EOF
2719 At least one library type must be built.
2720 Specify --enable-static to build the static libraries or --enable-shared to
2721 build the shared libraries as well. To only build the shared libraries specify
2722 --disable-static in addition to --enable-shared.
2723 EOF
2724     exit 1;
2725 fi
2726
2727 die_license_disabled() {
2728     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2729 }
2730
2731 die_license_disabled gpl libcdio
2732 die_license_disabled gpl libx264
2733 die_license_disabled gpl libxavs
2734 die_license_disabled gpl libxvid
2735 die_license_disabled gpl x11grab
2736
2737 die_license_disabled nonfree libaacplus
2738 die_license_disabled nonfree libfaac
2739 die_license_disabled nonfree openssl
2740
2741 die_license_disabled version3 libopencore_amrnb
2742 die_license_disabled version3 libopencore_amrwb
2743 die_license_disabled version3 libvo_aacenc
2744 die_license_disabled version3 libvo_amrwbenc
2745
2746 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2747
2748 disabled optimizations || check_cflags -fomit-frame-pointer
2749
2750 enable_pic() {
2751     enable pic
2752     add_cppflags -DPIC
2753     add_cflags   -fPIC
2754     add_asflags  -fPIC
2755 }
2756
2757 enabled pic && enable_pic
2758
2759 check_cc <<EOF || die "Symbol mangling check failed."
2760 int ff_extern;
2761 EOF
2762 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2763 extern_prefix=${sym%%ff_extern*}
2764
2765 check_cc <<EOF && enable inline_asm
2766 void foo(void) { __asm__ volatile ("" ::); }
2767 EOF
2768
2769 _restrict=
2770 for restrict_keyword in restrict __restrict__ __restrict; do
2771     check_cc <<EOF && _restrict=$restrict_keyword && break
2772 void foo(char * $restrict_keyword p);
2773 EOF
2774 done
2775
2776 check_cc <<EOF && enable attribute_packed
2777 struct { int x; } __attribute__((packed)) x;
2778 EOF
2779
2780 check_cc <<EOF && enable attribute_may_alias
2781 union { int x; } __attribute__((may_alias)) x;
2782 EOF
2783
2784 check_cc <<EOF || die "endian test failed"
2785 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2786 EOF
2787 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2788
2789 if enabled alpha; then
2790
2791     check_cflags -mieee
2792
2793 elif enabled arm; then
2794
2795     enabled thumb && check_cflags -mthumb || check_cflags -marm
2796     nogas=die
2797
2798     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2799         enable vfp_args
2800     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2801         case "${cross_prefix:-$cc}" in
2802             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2803             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2804 __asm__ (".eabi_attribute 28, 1");
2805 int main(void) { return 0; }
2806 EOF
2807         esac
2808         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2809     fi
2810
2811     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2812     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2813     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2814     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2815     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2816     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2817     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2818
2819     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2820
2821     enabled_all armv6t2 shared !pic && enable_pic
2822
2823 elif enabled mips; then
2824
2825     check_asm loongson '"dmult.g $1, $2, $3"'
2826     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2827
2828 elif enabled ppc; then
2829
2830     enable local_aligned_8 local_aligned_16
2831
2832     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2833     check_asm ibm_asm   '"add 0, 0, 0"'
2834     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2835     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2836
2837     # AltiVec flags: The FSF version of GCC differs from the Apple version
2838     if enabled altivec; then
2839         nogas=warn
2840         check_cflags -maltivec -mabi=altivec &&
2841         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2842         check_cflags -faltivec
2843
2844         # check if our compiler supports Motorola AltiVec C API
2845         check_cc <<EOF || disable altivec
2846 $inc_altivec_h
2847 int main(void) {
2848     vector signed int v1, v2, v3;
2849     v1 = vec_add(v2,v3);
2850     return 0;
2851 }
2852 EOF
2853
2854         # check if our compiler supports braces for vector declarations
2855         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2856 $inc_altivec_h
2857 int main (void) { (vector int) {1}; return 0; }
2858 EOF
2859     fi
2860
2861 elif enabled sparc; then
2862
2863     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2864         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2865
2866 elif enabled x86; then
2867
2868     enable local_aligned_8 local_aligned_16
2869
2870     # check whether EBP is available on x86
2871     # As 'i' is stored on the stack, this program will crash
2872     # if the base pointer is used to access it because the
2873     # base pointer is cleared in the inline assembly code.
2874     check_exec_crash <<EOF && enable ebp_available
2875     volatile int i=0;
2876     __asm__ volatile (
2877         "xorl %%ebp, %%ebp"
2878     ::: "%ebp");
2879     return i;
2880 EOF
2881
2882     # check whether EBX is available on x86
2883     check_asm ebx_available '""::"b"(0)' &&
2884         check_asm ebx_available '"":::"%ebx"'
2885
2886     # check whether xmm clobbers are supported
2887     check_asm xmm_clobbers '"":::"%xmm0"'
2888
2889     # check whether binutils is new enough to compile SSSE3/MMX2
2890     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2891     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2892
2893     check_asm bswap '"bswap %%eax" ::: "%eax"'
2894
2895     if ! disabled_any asm mmx yasm; then
2896         if check_cmd $yasmexe --version; then
2897             enabled x86_64 && yasm_extra="-m amd64"
2898             yasm_debug="-g dwarf2"
2899         elif check_cmd nasm -v; then
2900             yasmexe=nasm
2901             yasm_debug="-g -F dwarf"
2902             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2903         fi
2904
2905         YASMFLAGS="-f $objformat $yasm_extra"
2906         enabled pic               && append YASMFLAGS "-DPIC"
2907         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2908         case "$objformat" in
2909             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2910         esac
2911
2912         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2913             die "yasm not found, use --disable-yasm for a crippled build"
2914         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2915     fi
2916
2917     case "$cpu" in
2918         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2919             disable fast_clz
2920         ;;
2921     esac
2922
2923 fi
2924
2925 if enabled asm; then
2926     as=${gas:=$as}
2927     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2928         $nogas "GNU assembler not found, install gas-preprocessor"
2929 fi
2930
2931 check_ldflags -Wl,--as-needed
2932
2933 if check_func dlopen; then
2934     ldl=
2935 elif check_func dlopen -ldl; then
2936     ldl=-ldl
2937 fi
2938
2939 if enabled network; then
2940     check_type "sys/types.h sys/socket.h" socklen_t
2941     check_type netdb.h "struct addrinfo"
2942     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2943     check_type netinet/in.h "struct sockaddr_in6"
2944     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2945     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2946     # Prefer arpa/inet.h over winsock2
2947     if check_header arpa/inet.h ; then
2948         check_func closesocket
2949     elif check_header winsock2.h ; then
2950         check_func_headers winsock2.h closesocket -lws2 && \
2951             network_extralibs="-lws2" || \
2952         { check_func_headers winsock2.h closesocket -lws2_32 && \
2953             network_extralibs="-lws2_32"; }
2954         check_type ws2tcpip.h socklen_t
2955         check_type ws2tcpip.h "struct addrinfo"
2956         check_type ws2tcpip.h "struct ipv6_mreq"
2957         check_type ws2tcpip.h "struct sockaddr_in6"
2958         check_type ws2tcpip.h "struct sockaddr_storage"
2959         check_struct winsock2.h "struct sockaddr" sa_len
2960     else
2961         disable network
2962     fi
2963 fi
2964
2965 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2966 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2967
2968 check_func  fcntl
2969 check_func  fork
2970 check_func  getaddrinfo $network_extralibs
2971 check_func  gethrtime
2972 check_func  getrusage
2973 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2974 check_func  inet_aton $network_extralibs
2975 check_func  isatty
2976 check_func  localtime_r
2977 check_func  ${malloc_prefix}memalign            && enable memalign
2978 check_func  mkstemp
2979 check_func  mmap
2980 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2981 check_func  setrlimit
2982 check_func  strerror_r
2983 check_func  strptime
2984 check_func_headers conio.h kbhit
2985 check_func_headers windows.h PeekNamedPipe
2986 check_func_headers io.h setmode
2987 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2988 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2989 check_func_headers windows.h GetProcessTimes
2990 check_func_headers windows.h MapViewOfFile
2991 check_func_headers windows.h VirtualAlloc
2992
2993 check_header dlfcn.h
2994 check_header dxva2api.h -D_WIN32_WINNT=0x0600
2995 check_header libcrystalhd/libcrystalhd_if.h
2996 check_header malloc.h
2997 check_header poll.h
2998 check_header sys/mman.h
2999 check_header sys/resource.h
3000 check_header sys/select.h
3001 check_header termios.h
3002 check_header vdpau/vdpau.h
3003 check_header vdpau/vdpau_x11.h
3004 check_header X11/extensions/XvMClib.h
3005 check_header asm/types.h
3006
3007 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3008 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3009
3010 # check for VDA header
3011 if ! disabled vda; then
3012     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3013         enable vda
3014         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3015     fi
3016 fi
3017
3018 if ! disabled w32threads && ! enabled pthreads; then
3019     check_func _beginthreadex && enable w32threads
3020 fi
3021
3022 # check for some common methods of building with pthread support
3023 # do this before the optional library checks as some of them require pthreads
3024 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3025     enable pthreads
3026     if check_func pthread_create; then
3027         :
3028     elif check_func pthread_create -pthread; then
3029         add_cflags -pthread
3030         add_extralibs -pthread
3031     elif check_func pthread_create -pthreads; then
3032         add_cflags -pthreads
3033         add_extralibs -pthreads
3034     elif check_func pthread_create -lpthreadGC2; then
3035         add_extralibs -lpthreadGC2
3036     elif ! check_lib pthread.h pthread_create -lpthread; then
3037         disable pthreads
3038     fi
3039 fi
3040
3041 for thread in $THREADS_LIST; do
3042     if enabled $thread; then
3043         test -n "$thread_type" &&
3044             die "ERROR: Only one thread type must be selected." ||
3045             thread_type="$thread"
3046     fi
3047 done
3048
3049 check_lib math.h sin -lm && LIBM="-lm"
3050 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3051 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3052
3053 check_mathfunc cbrtf
3054 check_mathfunc exp2
3055 check_mathfunc exp2f
3056 check_mathfunc llrint
3057 check_mathfunc llrintf
3058 check_mathfunc log2
3059 check_mathfunc log2f
3060 check_mathfunc lrint
3061 check_mathfunc lrintf
3062 check_mathfunc round
3063 check_mathfunc roundf
3064 check_mathfunc trunc
3065 check_mathfunc truncf
3066
3067 # these are off by default, so fail if requested and not available
3068 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3069 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3070 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3071 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3072 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3073 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0
3074 enabled libdc1394  && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
3075 enabled libdirac   && require_pkg_config dirac                          \
3076     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
3077     "dirac_decoder_init dirac_encoder_init"
3078 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3079 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3080 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3081 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3082 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3083 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3084 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3085 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3086 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3087 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3088 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3089 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3090 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3091 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3092 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3093     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3094     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3095 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3096 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3097 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3098 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3099 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3100 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3101 enabled libvpx     && {
3102     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3103                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3104     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3105                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3106 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3107                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3108                         die "ERROR: libx264 version must be >= 0.118."; }
3109 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3110 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3111 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3112                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3113                         die "ERROR: openal not found"; } &&
3114                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3115                         die "ERROR: openal version must be 1.1 or compatible"; }
3116 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
3117 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3118                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3119                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3120                         die "ERROR: openssl not found"; }
3121
3122 SDL_CONFIG="${cross_prefix}sdl-config"
3123 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3124     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3125     enable sdl &&
3126     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3127 else
3128   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3129     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3130     sdl_libs=$("${SDL_CONFIG}" --libs)
3131     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3132     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3133     enable sdl &&
3134     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3135   fi
3136 fi
3137 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3138
3139 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3140
3141 check_header linux/fb.h
3142 check_header linux/videodev.h
3143 check_header linux/videodev2.h
3144 check_header sys/videoio.h
3145
3146 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3147 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3148 # w32api 3.12 had it defined wrong
3149 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3150
3151 check_type "dshow.h" IBaseFilter
3152
3153 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3154 { check_header dev/bktr/ioctl_meteor.h &&
3155   check_header dev/bktr/ioctl_bt848.h; } ||
3156 { check_header machine/ioctl_meteor.h &&
3157   check_header machine/ioctl_bt848.h; } ||
3158 { check_header dev/video/meteor/ioctl_meteor.h &&
3159   check_header dev/video/bktr/ioctl_bt848.h; } ||
3160 check_header dev/ic/bt8xx.h
3161
3162 check_header sndio.h
3163 if check_struct sys/soundcard.h audio_buf_info bytes; then
3164     enable_safe sys/soundcard.h
3165 else
3166     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3167     #include <sys/soundcard.h>
3168     audio_buf_info abc;
3169 EOF
3170 fi
3171 check_header soundcard.h
3172
3173 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3174
3175 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3176
3177 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3178
3179 enabled libcdio &&
3180     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3181
3182 enabled x11grab                         &&
3183 check_header X11/Xlib.h                 &&
3184 check_header X11/extensions/XShm.h      &&
3185 check_header X11/extensions/Xfixes.h    &&
3186 check_func XOpenDisplay -lX11           &&
3187 check_func XShmCreateImage -lX11 -lXext &&
3188 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3189
3190 if ! disabled vaapi; then
3191     check_lib va/va.h vaInitialize -lva && {
3192         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3193         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3194     } || disable vaapi
3195 fi
3196
3197 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3198 check_cpp_condition \
3199     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3200     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3201       disable vdpau; }
3202 fi
3203
3204 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3205 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3206
3207 # add some useful compiler flags if supported
3208 check_cflags -Wdeclaration-after-statement
3209 check_cflags -Wall
3210 check_cflags -Wno-parentheses
3211 check_cflags -Wno-switch
3212 check_cflags -Wno-format-zero-length
3213 check_cflags -Wdisabled-optimization
3214 check_cflags -Wpointer-arith
3215 check_cflags -Wredundant-decls
3216 check_cflags -Wno-pointer-sign
3217 check_cflags -Wcast-qual
3218 check_cflags -Wwrite-strings
3219 check_cflags -Wtype-limits
3220 check_cflags -Wundef
3221 check_cflags -Wmissing-prototypes
3222 check_cflags -Wno-pointer-to-int-cast
3223 check_cflags -Wstrict-prototypes
3224 enabled extra_warnings && check_cflags -Winline
3225
3226 # add some linker flags
3227 check_ldflags -Wl,--warn-common
3228 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3229 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3230
3231 echo "X{};" > $TMPV
3232 if test_ldflags -Wl,--version-script,$TMPV; then
3233     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3234     check_cc <<EOF && enable symver_asm_label
3235 void ff_foo(void) __asm__ ("av_foo@VERSION");
3236 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3237 EOF
3238     check_cc <<EOF && enable symver_gnu_asm
3239 __asm__(".symver ff_foo,av_foo@VERSION");
3240 void ff_foo(void) {}
3241 EOF
3242 fi
3243
3244 if [ -n "$optflags" ]; then
3245     add_cflags $optflags
3246 elif enabled small; then
3247     add_cflags $size_cflags
3248 elif enabled optimizations; then
3249     add_cflags $speed_cflags
3250 else
3251     add_cflags $noopt_cflags
3252 fi
3253 check_cflags -fno-math-errno
3254 check_cflags -fno-signed-zeros
3255 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3256 int x;
3257 EOF
3258
3259
3260 if enabled icc; then
3261     # Just warnings, no remarks
3262     check_cflags -w1
3263     # -wd: Disable following warnings
3264     # 144, 167, 556: -Wno-pointer-sign
3265     # 1292: attribute "foo" ignored
3266     # 10006: ignoring unknown option -fno-signed-zeros
3267     # 10148: ignoring unknown option -Wno-parentheses
3268     # 10156: ignoring option '-W'; no argument required
3269     check_cflags -wd144,167,556,1292,10006,10148,10156
3270     # 11030: Warning unknown option --as-needed
3271     # 10156: ignoring option '-export'; no argument required
3272     check_ldflags -wd10156,11030
3273     # Allow to compile with optimizations
3274     check_ldflags -march=$cpu
3275     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3276     enable ebp_available
3277     if enabled x86_32; then
3278         test ${icc_version%%.*} -ge 11 && \
3279             check_cflags -falign-stack=maintain-16-byte || \
3280             disable aligned_stack
3281     fi
3282 elif enabled ccc; then
3283     # disable some annoying warnings
3284     add_cflags -msg_disable cvtu32to64
3285     add_cflags -msg_disable embedcomment
3286     add_cflags -msg_disable needconstext
3287     add_cflags -msg_disable nomainieee
3288     add_cflags -msg_disable ptrmismatch1
3289     add_cflags -msg_disable unreachcode
3290 elif enabled gcc; then
3291     check_cflags -fno-tree-vectorize
3292     check_cflags -Werror=implicit-function-declaration
3293     check_cflags -Werror=missing-prototypes
3294 elif enabled llvm_gcc; then
3295     check_cflags -mllvm -stack-alignment=16
3296 elif enabled clang; then
3297     check_cflags -mllvm -stack-alignment=16
3298     check_cflags -Qunused-arguments
3299 elif enabled armcc; then
3300     # 2523: use of inline assembler is deprecated
3301     add_cflags -W${armcc_opt},--diag_suppress=2523
3302     add_cflags -W${armcc_opt},--diag_suppress=1207
3303     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3304     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3305     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3306     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3307 elif enabled tms470; then
3308     add_cflags -pds=824 -pds=837
3309 elif enabled pathscale; then
3310     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3311 fi
3312
3313 enabled_any $THREADS_LIST      && enable threads
3314
3315 check_deps $CONFIG_LIST       \
3316            $CONFIG_EXTRA      \
3317            $HAVE_LIST         \
3318            $DECODER_LIST      \
3319            $ENCODER_LIST      \
3320            $HWACCEL_LIST      \
3321            $PARSER_LIST       \
3322            $BSF_LIST          \
3323            $DEMUXER_LIST      \
3324            $MUXER_LIST        \
3325            $FILTER_LIST       \
3326            $INDEV_LIST        \
3327            $OUTDEV_LIST       \
3328            $PROTOCOL_LIST     \
3329            $ACODEC_TESTS      \
3330            $VCODEC_TESTS      \
3331            $LAVF_TESTS        \
3332            $LAVFI_TESTS       \
3333            $SEEK_TESTS        \
3334
3335 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3336
3337 if test $target_os = "haiku"; then
3338     disable memalign
3339     disable posix_memalign
3340 fi
3341
3342 ! enabled_any memalign posix_memalign malloc_aligned &&
3343     enabled_any $need_memalign && enable memalign_hack
3344
3345 echo "install prefix            $prefix"
3346 echo "source path               $source_path"
3347 echo "C compiler                $cc"
3348 echo "ARCH                      $arch ($cpu)"
3349 if test "$build_suffix" != ""; then
3350     echo "build suffix              $build_suffix"
3351 fi
3352 if test "$progs_suffix" != ""; then
3353     echo "progs suffix              $progs_suffix"
3354 fi
3355 if test "$extra_version" != ""; then
3356     echo "version string suffix     $extra_version"
3357 fi
3358 echo "big-endian                ${bigendian-no}"
3359 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3360 if enabled x86; then
3361     echo "${yasmexe}                      ${yasm-no}"
3362     echo "MMX enabled               ${mmx-no}"
3363     echo "MMX2 enabled              ${mmx2-no}"
3364     echo "3DNow! enabled            ${amd3dnow-no}"
3365     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3366     echo "SSE enabled               ${sse-no}"
3367     echo "SSSE3 enabled             ${ssse3-no}"
3368     echo "AVX enabled               ${avx-no}"
3369     echo "CMOV enabled              ${cmov-no}"
3370     echo "CMOV is fast              ${fast_cmov-no}"
3371     echo "EBX available             ${ebx_available-no}"
3372     echo "EBP available             ${ebp_available-no}"
3373 fi
3374 if enabled arm; then
3375     echo "ARMv5TE enabled           ${armv5te-no}"
3376     echo "ARMv6 enabled             ${armv6-no}"
3377     echo "ARMv6T2 enabled           ${armv6t2-no}"
3378     echo "ARM VFP enabled           ${armvfp-no}"
3379     echo "IWMMXT enabled            ${iwmmxt-no}"
3380     echo "NEON enabled              ${neon-no}"
3381 fi
3382 if enabled mips; then
3383     echo "MMI enabled               ${mmi-no}"
3384 fi
3385 if enabled ppc; then
3386     echo "AltiVec enabled           ${altivec-no}"
3387     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3388     echo "dcbzl available           ${dcbzl-no}"
3389 fi
3390 if enabled sparc; then
3391     echo "VIS enabled               ${vis-no}"
3392 fi
3393 echo "debug symbols             ${debug-no}"
3394 echo "strip symbols             ${stripping-no}"
3395 echo "optimize for size         ${small-no}"
3396 echo "optimizations             ${optimizations-no}"
3397 echo "static                    ${static-no}"
3398 echo "shared                    ${shared-no}"
3399 echo "postprocessing support    ${postproc-no}"
3400 echo "new filter support        ${avfilter-no}"
3401 echo "network support           ${network-no}"
3402 echo "threading support         ${thread_type-no}"
3403 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3404 echo "SDL support               ${sdl-no}"
3405 echo "Sun medialib support      ${mlib-no}"
3406 echo "libdxva2 enabled          ${dxva2-no}"
3407 echo "libva enabled             ${vaapi-no}"
3408 echo "libvdpau enabled          ${vdpau-no}"
3409 echo "AVISynth enabled          ${avisynth-no}"
3410 echo "frei0r enabled            ${frei0r-no}"
3411 echo "gnutls enabled            ${gnutls-no}"
3412 echo "libaacplus enabled        ${libaacplus-no}"
3413 echo "libass enabled            ${libass-no}"
3414 echo "libcdio support           ${libcdio-no}"
3415 echo "libcelt enabled           ${libcelt-no}"
3416 echo "libdc1394 support         ${libdc1394-no}"
3417 echo "libdirac enabled          ${libdirac-no}"
3418 echo "libfaac enabled           ${libfaac-no}"
3419 echo "libgsm enabled            ${libgsm-no}"
3420 echo "libmodplug enabled        ${libmodplug-no}"
3421 echo "libmp3lame enabled        ${libmp3lame-no}"
3422 echo "libnut enabled            ${libnut-no}"
3423 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3424 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3425 echo "libopencv support         ${libopencv-no}"
3426 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3427 echo "libpulse enabled          ${libpulse-no}"
3428 echo "librtmp enabled           ${librtmp-no}"
3429 echo "libschroedinger enabled   ${libschroedinger-no}"
3430 echo "libspeex enabled          ${libspeex-no}"
3431 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3432 echo "libtheora enabled         ${libtheora-no}"
3433 echo "libutvideo enabled        ${libutvideo-no}"
3434 echo "libv4l2 enabled           ${libv4l2-no}"
3435 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3436 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3437 echo "libvorbis enabled         ${libvorbis-no}"
3438 echo "libvpx enabled            ${libvpx-no}"
3439 echo "libx264 enabled           ${libx264-no}"
3440 echo "libxavs enabled           ${libxavs-no}"
3441 echo "libxvid enabled           ${libxvid-no}"
3442 echo "openal enabled            ${openal-no}"
3443 echo "openssl enabled           ${openssl-no}"
3444 echo "zlib enabled              ${zlib-no}"
3445 echo "bzlib enabled             ${bzlib-no}"
3446 echo
3447
3448 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3449     echo "Enabled ${type}s:"
3450     eval list=\$$(toupper $type)_LIST
3451     print_enabled '_*' $list | sort | pr -r -3 -t
3452     echo
3453 done
3454
3455 license="LGPL version 2.1 or later"
3456 if enabled nonfree; then
3457     license="nonfree and unredistributable"
3458 elif enabled gplv3; then
3459     license="GPL version 3 or later"
3460 elif enabled lgplv3; then
3461     license="LGPL version 3 or later"
3462 elif enabled gpl; then
3463     license="GPL version 2 or later"
3464 fi
3465
3466 echo "License: $license"
3467
3468 echo "Creating config.mak and config.h..."
3469
3470 test -e Makefile || $ln_s "$source_path/Makefile" .
3471
3472 enabled stripping || strip="echo skipping strip"
3473
3474 config_files="$TMPH config.mak"
3475
3476 cat > config.mak <<EOF
3477 # Automatically generated by configure - do not modify!
3478 ifndef FFMPEG_CONFIG_MAK
3479 FFMPEG_CONFIG_MAK=1
3480 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3481 prefix=$prefix
3482 LIBDIR=\$(DESTDIR)$libdir
3483 SHLIBDIR=\$(DESTDIR)$shlibdir
3484 INCDIR=\$(DESTDIR)$incdir
3485 BINDIR=\$(DESTDIR)$bindir
3486 DATADIR=\$(DESTDIR)$datadir
3487 MANDIR=\$(DESTDIR)$mandir
3488 SRC_PATH=$source_path
3489 ifndef MAIN_MAKEFILE
3490 SRC_PATH:=\$(SRC_PATH:.%=..%)
3491 endif
3492 CC_IDENT=$cc_ident
3493 ARCH=$arch
3494 CC=$cc
3495 CXX=$cxx
3496 AS=$as
3497 LD=$ld
3498 DEPCC=$dep_cc
3499 YASM=$yasmexe
3500 YASMDEP=$yasmexe
3501 AR=$ar
3502 RANLIB=$ranlib
3503 CP=cp -p
3504 LN_S=$ln_s
3505 STRIP=$strip
3506 CPPFLAGS=$CPPFLAGS
3507 CFLAGS=$CFLAGS
3508 CXXFLAGS=$CXXFLAGS
3509 ASFLAGS=$ASFLAGS
3510 AS_O=$CC_O
3511 CC_O=$CC_O
3512 CXX_O=$CXX_O
3513 LDFLAGS=$LDFLAGS
3514 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3515 SHFLAGS=$SHFLAGS
3516 YASMFLAGS=$YASMFLAGS
3517 BUILDSUF=$build_suffix
3518 PROGSSUF=$progs_suffix
3519 FULLNAME=$FULLNAME
3520 LIBPREF=$LIBPREF
3521 LIBSUF=$LIBSUF
3522 LIBNAME=$LIBNAME
3523 SLIBPREF=$SLIBPREF
3524 SLIBSUF=$SLIBSUF
3525 EXESUF=$EXESUF
3526 EXTRA_VERSION=$extra_version
3527 DEPFLAGS=$DEPFLAGS
3528 CCDEP=$CCDEP
3529 CXXDEP=$CXXDEP
3530 ASDEP=$ASDEP
3531 CC_DEPFLAGS=$CC_DEPFLAGS
3532 AS_DEPFLAGS=$AS_DEPFLAGS
3533 HOSTCC=$host_cc
3534 HOSTCFLAGS=$host_cflags
3535 HOSTEXESUF=$HOSTEXESUF
3536 HOSTLDFLAGS=$host_ldflags
3537 HOSTLIBS=$host_libs
3538 TARGET_EXEC=$target_exec
3539 TARGET_PATH=$target_path
3540 SDL_LIBS=$sdl_libs
3541 SDL_CFLAGS=$sdl_cflags
3542 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3543 EXTRALIBS=$extralibs
3544 INSTALL=$install
3545 LIBTARGET=${LIBTARGET}
3546 SLIBNAME=${SLIBNAME}
3547 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3548 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3549 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3550 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3551 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3552 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3553 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3554 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3555 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3556 NOREDZONE_FLAGS=$noredzone_flags
3557 EOF
3558
3559 get_version(){
3560     name=$1
3561     file=$source_path/$2
3562     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3563     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3564     lcname=$(tolower $name)
3565     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3566     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3567 }
3568
3569 get_version LIBSWSCALE  libswscale/swscale.h
3570 get_version LIBSWRESAMPLE libswresample/swresample.h
3571 get_version LIBPOSTPROC libpostproc/postprocess.h
3572 get_version LIBAVCODEC  libavcodec/version.h
3573 get_version LIBAVDEVICE libavdevice/avdevice.h
3574 get_version LIBAVFORMAT libavformat/version.h
3575 get_version LIBAVUTIL   libavutil/avutil.h
3576 get_version LIBAVFILTER libavfilter/avfilter.h
3577
3578 cat > $TMPH <<EOF
3579 /* Automatically generated by configure - do not modify! */
3580 #ifndef FFMPEG_CONFIG_H
3581 #define FFMPEG_CONFIG_H
3582 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3583 #define FFMPEG_LICENSE "$(c_escape $license)"
3584 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3585 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3586 #define CC_TYPE "$cc_type"
3587 #define CC_VERSION $cc_version
3588 #define restrict $_restrict
3589 #define EXTERN_PREFIX "${extern_prefix}"
3590 #define EXTERN_ASM ${extern_prefix}
3591 #define SLIBSUF "$SLIBSUF"
3592 EOF
3593
3594 test -n "$malloc_prefix" &&
3595     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3596
3597 if enabled small || disabled optimizations; then
3598     echo "#undef  av_always_inline"  >> $TMPH
3599     if enabled small; then
3600         echo "#define av_always_inline inline"  >> $TMPH
3601     else
3602         echo "#define av_always_inline av_unused"  >> $TMPH
3603     fi
3604 fi
3605
3606 if enabled yasm; then
3607     append config_files $TMPASM
3608     printf '' >$TMPASM
3609 fi
3610
3611 print_config ARCH_   "$config_files" $ARCH_LIST
3612 print_config HAVE_   "$config_files" $HAVE_LIST
3613 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3614                                      $CONFIG_EXTRA      \
3615                                      $DECODER_LIST      \
3616                                      $ENCODER_LIST      \
3617                                      $HWACCEL_LIST      \
3618                                      $PARSER_LIST       \
3619                                      $BSF_LIST          \
3620                                      $DEMUXER_LIST      \
3621                                      $MUXER_LIST        \
3622                                      $FILTER_LIST       \
3623                                      $PROTOCOL_LIST     \
3624                                      $INDEV_LIST        \
3625                                      $OUTDEV_LIST       \
3626
3627 cat >>config.mak <<EOF
3628 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3629 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3630 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3631 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3632 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3633 EOF
3634
3635 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3636 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3637
3638 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3639 cp_if_changed $TMPH config.h
3640 touch .config
3641
3642 enabled yasm && cp_if_changed $TMPASM config.asm
3643
3644 cat > $TMPH <<EOF
3645 /* Generated by ffconf */
3646 #ifndef AVUTIL_AVCONFIG_H
3647 #define AVUTIL_AVCONFIG_H
3648 EOF
3649
3650 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3651
3652 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3653
3654 cp_if_changed $TMPH libavutil/avconfig.h
3655
3656 test -n "$WARNINGS" && printf "\n$WARNINGS"
3657
3658 # build pkg-config files
3659
3660 pkgconfig_generate(){
3661 name=$1
3662 shortname=${name#lib}${build_suffix}
3663 comment=$2
3664 version=$3
3665 libs=$4
3666 requires=$5
3667 enabled ${name#lib} || return 0
3668 mkdir -p $name
3669 cat <<EOF > $name/$name.pc
3670 prefix=$prefix
3671 exec_prefix=\${prefix}
3672 libdir=$libdir
3673 includedir=$incdir
3674
3675 Name: $name
3676 Description: $comment
3677 Version: $version
3678 Requires: $(enabled shared || echo $requires)
3679 Requires.private: $(enabled shared && echo $requires)
3680 Conflicts:
3681 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3682 Libs.private: $(enabled shared && echo $libs)
3683 Cflags: -I\${includedir}
3684 EOF
3685 cat <<EOF > $name/$name-uninstalled.pc
3686 prefix=
3687 exec_prefix=
3688 libdir=\${pcfiledir}
3689 includedir=${source_path}
3690
3691 Name: $name
3692 Description: $comment
3693 Version: $version
3694 Requires: $requires
3695 Conflicts:
3696 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3697 Cflags: -I\${includedir}
3698 EOF
3699 }
3700
3701 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3702 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3703 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3704 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3705 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3706 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3707 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3708 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"