lavfi: add libass based subtitles renderer
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18     echo "Trying shell $1"
19     type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30     echo "Broken shell detected.  Trying alternatives."
31     export FF_CONF_EXEC
32     if test "0$FF_CONF_EXEC" -lt 1; then
33         FF_CONF_EXEC=1
34         try_exec bash "$0" "$@"
35     fi
36     if test "0$FF_CONF_EXEC" -lt 2; then
37         FF_CONF_EXEC=2
38         try_exec ksh "$0" "$@"
39     fi
40     if test "0$FF_CONF_EXEC" -lt 3; then
41         FF_CONF_EXEC=3
42         try_exec /usr/xpg4/bin/sh "$0" "$@"
43     fi
44     echo "No compatible shell script interpreter found."
45     echo "This configure script requires a POSIX-compatible shell"
46     echo "such as bash or ksh."
47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48     echo "Instead, install a working POSIX-compatible shell."
49     echo "Disabling this configure test will create a broken FFmpeg."
50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51         echo "This bash version ($BASH_VERSION) is broken on your platform."
52         echo "Upgrade to a later version if available."
53     fi
54     exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63   --help                   print this message
64   --logfile=FILE           log tests and output to FILE [config.log]
65   --disable-logging        do not log configure debug information
66   --prefix=PREFIX          install in PREFIX [$prefix]
67   --bindir=DIR             install binaries in DIR [PREFIX/bin]
68   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
69   --libdir=DIR             install libs in DIR [PREFIX/lib]
70   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
71   --incdir=DIR             install includes in DIR [PREFIX/include]
72   --mandir=DIR             install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75   --disable-static         do not build static libraries [no]
76   --enable-shared          build shared libraries [no]
77   --enable-gpl             allow use of GPL code, the resulting libs
78                            and binaries will be under GPL [no]
79   --enable-version3        upgrade (L)GPL to version 3 [no]
80   --enable-nonfree         allow use of nonfree code, the resulting libs
81                            and binaries will be unredistributable [no]
82   --disable-doc            do not build documentation
83   --disable-ffmpeg         disable ffmpeg build
84   --disable-avconv         disable avconv build
85   --disable-ffplay         disable ffplay build
86   --disable-ffprobe        disable ffprobe build
87   --disable-ffserver       disable ffserver build
88   --disable-avdevice       disable libavdevice build
89   --disable-avcodec        disable libavcodec build
90   --disable-avformat       disable libavformat build
91   --disable-swresample     disable libswresample build
92   --disable-swscale        disable libswscale build
93   --disable-postproc       disable libpostproc build
94   --disable-avfilter       disable video filter support [no]
95   --disable-pthreads       disable pthreads [auto]
96   --disable-w32threads     disable Win32 threads [auto]
97   --disable-os2threads     disable OS/2 threads [auto]
98   --enable-x11grab         enable X11 grabbing [no]
99   --disable-network        disable network support [no]
100   --enable-gray            enable full grayscale support (slower color)
101   --disable-swscale-alpha  disable alpha channel support in swscale
102   --disable-fastdiv        disable table-based division
103   --enable-small           optimize for size instead of speed
104   --disable-aandct         disable AAN DCT code
105   --disable-dct            disable DCT code
106   --disable-fft            disable FFT code
107   --disable-golomb         disable Golomb code
108   --disable-huffman        disable Huffman code
109   --disable-lpc            disable LPC code
110   --disable-mdct           disable MDCT code
111   --disable-rdft           disable RDFT code
112   --enable-vaapi           enable VAAPI code [autodetect]
113   --enable-vda             enable VDA code [autodetect]
114   --enable-vdpau           enable VDPAU code [autodetect]
115   --disable-dxva2          disable DXVA2 code
116   --disable-vda            disable VDA code
117   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
118   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
119   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
120   --disable-everything     disable all components listed below
121   --disable-encoder=NAME   disable encoder NAME
122   --enable-encoder=NAME    enable encoder NAME
123   --disable-encoders       disable all encoders
124   --disable-decoder=NAME   disable decoder NAME
125   --enable-decoder=NAME    enable decoder NAME
126   --disable-decoders       disable all decoders
127   --disable-hwaccel=NAME   disable hwaccel NAME
128   --enable-hwaccel=NAME    enable hwaccel NAME
129   --disable-hwaccels       disable all hwaccels
130   --disable-muxer=NAME     disable muxer NAME
131   --enable-muxer=NAME      enable muxer NAME
132   --disable-muxers         disable all muxers
133   --disable-demuxer=NAME   disable demuxer NAME
134   --enable-demuxer=NAME    enable demuxer NAME
135   --disable-demuxers       disable all demuxers
136   --enable-parser=NAME     enable parser NAME
137   --disable-parser=NAME    disable parser NAME
138   --disable-parsers        disable all parsers
139   --enable-bsf=NAME        enable bitstream filter NAME
140   --disable-bsf=NAME       disable bitstream filter NAME
141   --disable-bsfs           disable all bitstream filters
142   --enable-protocol=NAME   enable protocol NAME
143   --disable-protocol=NAME  disable protocol NAME
144   --disable-protocols      disable all protocols
145   --disable-indev=NAME     disable input device NAME
146   --disable-outdev=NAME    disable output device NAME
147   --disable-indevs         disable input devices
148   --disable-outdevs        disable output devices
149   --disable-devices        disable all devices
150   --enable-filter=NAME     enable filter NAME
151   --disable-filter=NAME    disable filter NAME
152   --disable-filters        disable all filters
153   --list-decoders          show all available decoders
154   --list-encoders          show all available encoders
155   --list-hwaccels          show all available hardware accelerators
156   --list-muxers            show all available muxers
157   --list-demuxers          show all available demuxers
158   --list-parsers           show all available parsers
159   --list-protocols         show all available protocols
160   --list-bsfs              show all available bitstream filters
161   --list-indevs            show all available input devices
162   --list-outdevs           show all available output devices
163   --list-filters           show all available filters
164
165 External library support:
166   --enable-avisynth        enable reading of AVISynth script files [no]
167   --enable-bzlib           enable bzlib [autodetect]
168   --enable-frei0r          enable frei0r video filtering
169   --enable-gnutls          enable gnutls [no]
170   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
171   --enable-libass          enable libass subtitles rendering [no]
172   --enable-libcelt         enable CELT decoding via libcelt [no]
173   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
174   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
175   --enable-libopencv       enable video filtering via libopencv [no]
176   --enable-libcdio         enable audio CD grabbing with libcdio
177   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
178                            and libraw1394 [no]
179   --enable-libdirac        enable Dirac support via libdirac [no]
180   --enable-libfaac         enable FAAC support via libfaac [no]
181   --enable-libfreetype     enable libfreetype [no]
182   --enable-libgsm          enable GSM support via libgsm [no]
183   --enable-libmodplug      enable ModPlug via libmodplug [no]
184   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
185   --enable-libnut          enable NUT (de)muxing via libnut,
186                            native (de)muxer exists [no]
187   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
188   --enable-libpulse        enable Pulseaudio input via libpulse [no]
189   --enable-librtmp         enable RTMP[E] support via librtmp [no]
190   --enable-libschroedinger enable Dirac support via libschroedinger [no]
191   --enable-libspeex        enable Speex support via libspeex [no]
192   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
193   --enable-libtheora       enable Theora encoding via libtheora [no]
194   --enable-libutvideo      enable Ut Video decoding via libutvideo [no]
195   --enable-libv4l2         enable libv4l2/v4l-utils [no]
196   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
197   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
198   --enable-libvorbis       enable Vorbis encoding via libvorbis,
199                            native implementation exists [no]
200   --enable-libvpx          enable VP8 support via libvpx [no]
201   --enable-libx264         enable H.264 encoding via x264 [no]
202   --enable-libxavs         enable AVS encoding via xavs [no]
203   --enable-libxvid         enable Xvid encoding via xvidcore,
204                            native MPEG-4/Xvid encoder exists [no]
205   --enable-openal          enable OpenAL 1.1 capture support [no]
206   --enable-mlib            enable Sun medialib [no]
207   --enable-openssl         enable openssl [no]
208   --enable-zlib            enable zlib [autodetect]
209
210 Advanced options (experts only):
211   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
212   --enable-cross-compile   assume a cross-compiler is used
213   --sysroot=PATH           root of cross-build tree
214   --sysinclude=PATH        location of cross-build system headers
215   --target-os=OS           compiler targets OS [$target_os]
216   --target-exec=CMD        command to run executables on target
217   --target-path=DIR        path to view of build directory on target
218   --nm=NM                  use nm tool
219   --ar=AR                  use archive tool AR [$ar_default]
220   --as=AS                  use assembler AS [$as_default]
221   --cc=CC                  use C compiler CC [$cc_default]
222   --cxx=CXX                use C compiler CXX [$cxx_default]
223   --ld=LD                  use linker LD
224   --host-cc=HOSTCC         use host C compiler HOSTCC
225   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
226   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
227   --host-libs=HLIBS        use libs HLIBS when linking for host
228   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
229   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
230   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
231   --extra-libs=ELIBS       add ELIBS [$ELIBS]
232   --extra-version=STRING   version string suffix []
233   --build-suffix=SUFFIX    library name suffix []
234   --progs-suffix=SUFFIX    program name suffix []
235   --arch=ARCH              select architecture [$arch]
236   --cpu=CPU                select the minimum required CPU (affects
237                            instruction selection, may crash on older CPUs)
238   --disable-asm            disable all assembler optimizations
239   --disable-altivec        disable AltiVec optimizations
240   --disable-amd3dnow       disable 3DNow! optimizations
241   --disable-amd3dnowext    disable 3DNow! extended optimizations
242   --disable-mmx            disable MMX optimizations
243   --disable-mmx2           disable MMX2 optimizations
244   --disable-sse            disable SSE optimizations
245   --disable-ssse3          disable SSSE3 optimizations
246   --disable-avx            disable AVX optimizations
247   --disable-armv5te        disable armv5te optimizations
248   --disable-armv6          disable armv6 optimizations
249   --disable-armv6t2        disable armv6t2 optimizations
250   --disable-armvfp         disable ARM VFP optimizations
251   --disable-iwmmxt         disable iwmmxt optimizations
252   --disable-mmi            disable MMI optimizations
253   --disable-neon           disable neon optimizations
254   --disable-vis            disable VIS optimizations
255   --disable-yasm           disable use of yasm assembler
256   --enable-pic             build position-independent code
257   --malloc-prefix=PFX      prefix malloc and related names with PFX
258   --enable-sram            allow use of on-chip SRAM
259   --disable-symver         disable symbol versioning
260   --optflags               override optimization-related compiler flags
261
262 Developer options (useful when working on FFmpeg itself):
263   --disable-debug          disable debugging symbols
264   --enable-debug=LEVEL     set the debug level [$debuglevel]
265   --disable-optimizations  disable compiler optimizations
266   --enable-extra-warnings  enable more compiler warnings
267   --disable-stripping      disable stripping of executables and shared libraries
268   --samples=PATH           location of test samples for FATE, if not set use
269                            \$FATE_SAMPLES at make invocation time.
270
271 NOTE: Object files are built at the place where configure is launched.
272 EOF
273   exit 0
274 }
275
276 quotes='""'
277
278 log(){
279     echo "$@" >> $logfile
280 }
281
282 log_file(){
283     log BEGIN $1
284     pr -n -t $1 >> $logfile
285     log END $1
286 }
287
288 echolog(){
289     log "$@"
290     echo "$@"
291 }
292
293 warn(){
294     log "WARNING: $*"
295     WARNINGS="${WARNINGS}WARNING: $*\n"
296 }
297
298 die(){
299     echolog "$@"
300     cat <<EOF
301
302 If you think configure made a mistake, make sure you are using the latest
303 version from Git.  If the latest version fails, report the problem to the
304 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
305 EOF
306     if disabled logging; then
307         cat <<EOF
308 Rerun configure with logging enabled (do not use --disable-logging), and
309 include the log this produces with your report.
310 EOF
311     else
312 cat <<EOF
313 Include the log file "$logfile" produced by configure as this will help
314 solving the problem.
315 EOF
316     fi
317     exit 1
318 }
319
320 # Avoid locale weirdness, besides we really just want to translate ASCII.
321 toupper(){
322     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
323 }
324
325 tolower(){
326     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
327 }
328
329 c_escape(){
330     echo "$*" | sed 's/["\\]/\\\0/g'
331 }
332
333 sh_quote(){
334     v=$(echo "$1" | sed "s/'/'\\\\''/g")
335     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
336     echo "$v"
337 }
338
339 cleanws(){
340     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
341 }
342
343 filter(){
344     pat=$1
345     shift
346     for v; do
347         eval "case $v in $pat) echo $v ;; esac"
348     done
349 }
350
351 filter_out(){
352     pat=$1
353     shift
354     for v; do
355         eval "case $v in $pat) ;; *) echo $v ;; esac"
356     done
357 }
358
359 map(){
360     m=$1
361     shift
362     for v; do eval $m; done
363 }
364
365 set_all(){
366     value=$1
367     shift
368     for var in $*; do
369         eval $var=$value
370     done
371 }
372
373 set_weak(){
374     value=$1
375     shift
376     for var; do
377         eval : \${$var:=$value}
378     done
379 }
380
381 set_safe(){
382     var=$1
383     shift
384     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
385 }
386
387 get_safe(){
388     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
389 }
390
391 pushvar(){
392     for var in $*; do
393         eval level=\${${var}_level:=0}
394         eval ${var}_${level}="\$$var"
395         eval ${var}_level=$(($level+1))
396     done
397 }
398
399 popvar(){
400     for var in $*; do
401         eval level=\${${var}_level:-0}
402         test $level = 0 && continue
403         eval level=$(($level-1))
404         eval $var="\${${var}_${level}}"
405         eval ${var}_level=$level
406         eval unset ${var}_${level}
407     done
408 }
409
410 enable(){
411     set_all yes $*
412 }
413
414 disable(){
415     set_all no $*
416 }
417
418 enable_weak(){
419     set_weak yes $*
420 }
421
422 disable_weak(){
423     set_weak no $*
424 }
425
426 enable_safe(){
427     for var; do
428         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
429     done
430 }
431
432 disable_safe(){
433     for var; do
434         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
435     done
436 }
437
438 do_enable_deep(){
439     for var; do
440         enabled $var && continue
441         eval sel="\$${var}_select"
442         eval sgs="\$${var}_suggest"
443         pushvar var sgs
444         enable_deep $sel
445         popvar sgs
446         enable_deep_weak $sgs
447         popvar var
448     done
449 }
450
451 enable_deep(){
452     do_enable_deep $*
453     enable $*
454 }
455
456 enable_deep_weak(){
457     do_enable_deep $*
458     enable_weak $*
459 }
460
461 enabled(){
462     test "${1#!}" = "$1" && op== || op=!=
463     eval test "x\$${1#!}" $op "xyes"
464 }
465
466 disabled(){
467     test "${1#!}" = "$1" && op== || op=!=
468     eval test "x\$${1#!}" $op "xno"
469 }
470
471 enabled_all(){
472     for opt; do
473         enabled $opt || return 1
474     done
475 }
476
477 disabled_all(){
478     for opt; do
479         disabled $opt || return 1
480     done
481 }
482
483 enabled_any(){
484     for opt; do
485         enabled $opt && return 0
486     done
487 }
488
489 disabled_any(){
490     for opt; do
491         disabled $opt && return 0
492     done
493     return 1
494 }
495
496 set_default(){
497     for opt; do
498         eval : \${$opt:=\$${opt}_default}
499     done
500 }
501
502 is_in(){
503     value=$1
504     shift
505     for var in $*; do
506         [ $var = $value ] && return 0
507     done
508     return 1
509 }
510
511 check_deps(){
512     for cfg; do
513         cfg="${cfg#!}"
514         enabled ${cfg}_checking && die "Circular dependency for $cfg."
515         disabled ${cfg}_checking && continue
516         enable ${cfg}_checking
517
518         eval dep_all="\$${cfg}_deps"
519         eval dep_any="\$${cfg}_deps_any"
520         eval dep_sel="\$${cfg}_select"
521         eval dep_sgs="\$${cfg}_suggest"
522         eval dep_ifa="\$${cfg}_if"
523         eval dep_ifn="\$${cfg}_if_any"
524
525         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
526         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
527         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
528
529         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
530         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
531         enabled_all  $dep_all || disable $cfg
532         enabled_any  $dep_any || disable $cfg
533         disabled_any $dep_sel && disable $cfg
534
535         if enabled $cfg; then
536             eval dep_extralibs="\$${cfg}_extralibs"
537             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
538             enable_deep $dep_sel
539             enable_deep_weak $dep_sgs
540         fi
541
542         disable ${cfg}_checking
543     done
544 }
545
546 print_config_h(){
547     enabled $1 && v=1 || v=0
548     echo "#define $2 $v"
549 }
550
551 print_config_mak(){
552     enabled $1 && v= || v=!
553     echo "$v$2=yes"
554 }
555
556 print_config_asm(){
557     enabled $1 && echo "%define $2"
558 }
559
560 print_config(){
561     pfx=$1
562     files=$2
563     shift 2
564     for cfg; do
565         ucname="$(toupper $cfg)"
566         for f in $files; do
567             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
568         done
569     done
570 }
571
572 print_enabled(){
573     test "$1" = -n && end=" " && shift || end="\n"
574     suf=$1
575     shift
576     for v; do
577         enabled $v && printf "%s$end" ${v%$suf};
578     done
579 }
580
581 append(){
582     var=$1
583     shift
584     eval "$var=\"\$$var $*\""
585 }
586
587 prepend(){
588     var=$1
589     shift
590     eval "$var=\"$* \$$var\""
591 }
592
593 add_cppflags(){
594     append CPPFLAGS $($filter_cppflags "$@")
595 }
596
597 add_cflags(){
598     append CFLAGS $($filter_cflags "$@")
599 }
600
601 add_cxxflags(){
602     append CXXFLAGS $($filter_cflags "$@")
603 }
604
605 add_asflags(){
606     append ASFLAGS $($filter_asflags "$@")
607 }
608
609 add_ldflags(){
610     append LDFLAGS "$@"
611 }
612
613 add_extralibs(){
614     prepend extralibs "$@"
615 }
616
617 check_cmd(){
618     log "$@"
619     "$@" >> $logfile 2>&1
620 }
621
622 check_cc(){
623     log check_cc "$@"
624     cat > $TMPC
625     log_file $TMPC
626     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
627 }
628
629 check_cxx(){
630     log check_cxx "$@"
631     cat > $TMPCPP
632     log_file $TMPCPP
633     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
634 }
635
636 check_cpp(){
637     log check_cpp "$@"
638     cat > $TMPC
639     log_file $TMPC
640     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
641 }
642
643 check_as(){
644     log check_as "$@"
645     cat > $TMPC
646     log_file $TMPC
647     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
648 }
649
650 check_asm(){
651     log check_asm "$@"
652     name="$1"
653     code="$2"
654     shift 2
655     disable $name
656     check_as "$@" <<EOF && enable $name
657 void foo(void){ __asm__ volatile($code); }
658 EOF
659 }
660
661 check_yasm(){
662     log check_yasm "$@"
663     echo "$1" > $TMPS
664     log_file $TMPS
665     shift 1
666     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
667 }
668
669 check_ld(){
670     log check_ld "$@"
671     type=$1
672     shift 1
673     flags=''
674     libs=''
675     for f; do
676         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
677     done
678     check_$type $($filter_cflags $flags) || return
679     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
680 }
681
682 check_cppflags(){
683     log check_cppflags "$@"
684     set -- $($filter_cppflags "$@")
685     check_cc "$@" <<EOF && append CPPFLAGS "$@"
686 int x;
687 EOF
688 }
689
690 check_cflags(){
691     log check_cflags "$@"
692     set -- $($filter_cflags "$@")
693     check_cc "$@" <<EOF && append CFLAGS "$@"
694 int x;
695 EOF
696 }
697
698 check_cxxflags(){
699     log check_cxxflags "$@"
700     set -- $($filter_cflags "$@")
701     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
702 int x;
703 EOF
704 }
705
706 test_ldflags(){
707     log test_ldflags "$@"
708     check_ld "cc" "$@" <<EOF
709 int main(void){ return 0; }
710 EOF
711 }
712
713 check_ldflags(){
714     log check_ldflags "$@"
715     test_ldflags "$@" && add_ldflags "$@"
716 }
717
718 check_header(){
719     log check_header "$@"
720     header=$1
721     shift
722     disable_safe $header
723     check_cpp "$@" <<EOF && enable_safe $header
724 #include <$header>
725 int x;
726 EOF
727 }
728
729 check_func(){
730     log check_func "$@"
731     func=$1
732     shift
733     disable $func
734     check_ld "cc" "$@" <<EOF && enable $func
735 extern int $func();
736 int main(void){ $func(); }
737 EOF
738 }
739
740 check_mathfunc(){
741     log check_mathfunc "$@"
742     func=$1
743     shift
744     disable $func
745     check_ld "cc" "$@" <<EOF && enable $func
746 #include <math.h>
747 float foo(float f) { return $func(f); }
748 int main(void){ return (int) foo; }
749 EOF
750 }
751
752 check_func_headers(){
753     log check_func_headers "$@"
754     headers=$1
755     funcs=$2
756     shift 2
757     {
758         for hdr in $headers; do
759             echo "#include <$hdr>"
760         done
761         for func in $funcs; do
762             echo "long check_$func(void) { return (long) $func; }"
763         done
764         echo "int main(void) { return 0; }"
765     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
766 }
767
768 check_class_headers_cpp(){
769     log check_class_headers_cpp "$@"
770     headers=$1
771     classes=$2
772     shift 2
773     {
774         for hdr in $headers; do
775             echo "#include <$hdr>"
776         done
777         echo "int main(void) { "
778         i=1
779         for class in $classes; do
780             echo "$class obj$i;"
781             i=$(expr $i + 1)
782         done
783         echo "return 0; }"
784     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
785 }
786
787 check_cpp_condition(){
788     log check_cpp_condition "$@"
789     header=$1
790     condition=$2
791     shift 2
792     check_cpp $($filter_cppflags "$@") <<EOF
793 #include <$header>
794 #if !($condition)
795 #error "unsatisfied condition: $condition"
796 #endif
797 EOF
798 }
799
800 check_lib(){
801     log check_lib "$@"
802     header="$1"
803     func="$2"
804     shift 2
805     check_header $header && check_func $func "$@" && add_extralibs "$@"
806 }
807
808 check_lib2(){
809     log check_lib2 "$@"
810     headers="$1"
811     funcs="$2"
812     shift 2
813     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
814 }
815
816 check_lib_cpp(){
817     log check_lib_cpp "$@"
818     headers="$1"
819     classes="$2"
820     shift 2
821     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
822 }
823
824 check_pkg_config(){
825     log check_pkg_config "$@"
826     pkg="$1"
827     headers="$2"
828     funcs="$3"
829     shift 3
830     $pkg_config --exists $pkg 2>/dev/null || return
831     pkg_cflags=$($pkg_config --cflags $pkg)
832     pkg_libs=$($pkg_config --libs $pkg)
833     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
834         set_safe ${pkg}_cflags $pkg_cflags   &&
835         set_safe ${pkg}_libs   $pkg_libs
836 }
837
838 check_exec(){
839     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
840 }
841
842 check_exec_crash(){
843     code=$(cat)
844
845     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
846     # are safe but may not be available everywhere.  Thus we use
847     # raise(SIGTERM) instead.  The check is run in a subshell so we
848     # can redirect the "Terminated" message from the shell.  SIGBUS
849     # is not defined by standard C so it is used conditionally.
850
851     (check_exec "$@") >> $logfile 2>&1 <<EOF
852 #include <signal.h>
853 static void sighandler(int sig){
854     raise(SIGTERM);
855 }
856 int func(void){
857     $code
858 }
859 int main(void){
860     signal(SIGILL, sighandler);
861     signal(SIGFPE, sighandler);
862     signal(SIGSEGV, sighandler);
863 #ifdef SIGBUS
864     signal(SIGBUS, sighandler);
865 #endif
866     return func();
867 }
868 EOF
869 }
870
871 check_type(){
872     log check_type "$@"
873     headers=$1
874     type=$2
875     shift 2
876     disable_safe "$type"
877     incs=""
878     for hdr in $headers; do
879         incs="$incs
880 #include <$hdr>"
881     done
882     check_cc "$@" <<EOF && enable_safe "$type"
883 $incs
884 $type v;
885 EOF
886 }
887
888 check_struct(){
889     log check_type "$@"
890     headers=$1
891     struct=$2
892     member=$3
893     shift 3
894     disable_safe "${struct}_${member}"
895     incs=""
896     for hdr in $headers; do
897         incs="$incs
898 #include <$hdr>"
899     done
900     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
901 $incs
902 const void *p = &(($struct *)0)->$member;
903 EOF
904 }
905
906 require(){
907     name="$1"
908     header="$2"
909     func="$3"
910     shift 3
911     check_lib $header $func "$@" || die "ERROR: $name not found"
912 }
913
914 require2(){
915     name="$1"
916     headers="$2"
917     func="$3"
918     shift 3
919     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
920 }
921
922 require_cpp(){
923     name="$1"
924     headers="$2"
925     classes="$3"
926     shift 3
927     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
928 }
929
930 require_pkg_config(){
931     pkg="$1"
932     check_pkg_config "$@" || die "ERROR: $pkg not found"
933     add_cflags    $(get_safe ${pkg}_cflags)
934     add_extralibs $(get_safe ${pkg}_libs)
935 }
936
937 check_host_cc(){
938     log check_host_cc "$@"
939     cat > $TMPC
940     log_file $TMPC
941     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
942 }
943
944 check_host_cflags(){
945     log check_host_cflags "$@"
946     check_host_cc "$@" <<EOF && append host_cflags "$@"
947 int x;
948 EOF
949 }
950
951 apply(){
952     file=$1
953     shift
954     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
955 }
956
957 cp_if_changed(){
958     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
959     mkdir -p "$(dirname $2)"
960     cp -f "$1" "$2"
961 }
962
963 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
964 # system-dependent things.
965
966 COMPONENT_LIST="
967     bsfs
968     decoders
969     demuxers
970     encoders
971     filters
972     hwaccels
973     indevs
974     muxers
975     outdevs
976     parsers
977     protocols
978 "
979
980 CONFIG_LIST="
981     $COMPONENT_LIST
982     aandct
983     ac3dsp
984     avcodec
985     avdevice
986     avfilter
987     avformat
988     avisynth
989     bzlib
990     crystalhd
991     dct
992     doc
993     dwt
994     dxva2
995     fastdiv
996     ffmpeg
997     avconv
998     ffplay
999     ffprobe
1000     ffserver
1001     fft
1002     frei0r
1003     gnutls
1004     golomb
1005     gpl
1006     gray
1007     h264dsp
1008     h264pred
1009     hardcoded_tables
1010     huffman
1011     libaacplus
1012     libass
1013     libcdio
1014     libcelt
1015     libdc1394
1016     libdirac
1017     libfaac
1018     libfreetype
1019     libgsm
1020     libmodplug
1021     libmp3lame
1022     libnut
1023     libopencore_amrnb
1024     libopencore_amrwb
1025     libopencv
1026     libopenjpeg
1027     libpulse
1028     librtmp
1029     libschroedinger
1030     libspeex
1031     libstagefright_h264
1032     libtheora
1033     libutvideo
1034     libv4l2
1035     libvo_aacenc
1036     libvo_amrwbenc
1037     libvorbis
1038     libvpx
1039     libx264
1040     libxavs
1041     libxvid
1042     lpc
1043     lsp
1044     mdct
1045     memalign_hack
1046     mlib
1047     mpegaudiodsp
1048     network
1049     nonfree
1050     openal
1051     openssl
1052     pic
1053     postproc
1054     rdft
1055     rtpdec
1056     runtime_cpudetect
1057     shared
1058     sinewin
1059     small
1060     sram
1061     static
1062     swresample
1063     swscale
1064     swscale_alpha
1065     thumb
1066     vaapi
1067     vda
1068     vdpau
1069     version3
1070     x11grab
1071     zlib
1072 "
1073
1074 THREADS_LIST='
1075     pthreads
1076     w32threads
1077     os2threads
1078 '
1079
1080 ARCH_LIST='
1081     alpha
1082     arm
1083     avr32
1084     avr32_ap
1085     avr32_uc
1086     bfin
1087     ia64
1088     m68k
1089     mips
1090     mips64
1091     parisc
1092     ppc
1093     ppc64
1094     s390
1095     sh4
1096     sparc
1097     sparc64
1098     tomi
1099     x86
1100     x86_32
1101     x86_64
1102 '
1103
1104 ARCH_EXT_LIST='
1105     altivec
1106     amd3dnow
1107     amd3dnowext
1108     armv5te
1109     armv6
1110     armv6t2
1111     armvfp
1112     avx
1113     iwmmxt
1114     mmi
1115     mmx
1116     mmx2
1117     neon
1118     ppc4xx
1119     sse
1120     ssse3
1121     vfpv3
1122     vis
1123 '
1124
1125 HAVE_LIST_PUB='
1126     bigendian
1127     fast_unaligned
1128 '
1129
1130 HAVE_LIST="
1131     $ARCH_EXT_LIST
1132     $HAVE_LIST_PUB
1133     $THREADS_LIST
1134     aligned_stack
1135     alsa_asoundlib_h
1136     altivec_h
1137     arpa_inet_h
1138     asm_mod_y
1139     attribute_may_alias
1140     attribute_packed
1141     bswap
1142     cbrtf
1143     closesocket
1144     cmov
1145     dcbzl
1146     dev_bktr_ioctl_bt848_h
1147     dev_bktr_ioctl_meteor_h
1148     dev_ic_bt8xx_h
1149     dev_video_meteor_ioctl_meteor_h
1150     dev_video_bktr_ioctl_bt848_h
1151     dlfcn_h
1152     dlopen
1153     dos_paths
1154     ebp_available
1155     ebx_available
1156     exp2
1157     exp2f
1158     fast_64bit
1159     fast_clz
1160     fast_cmov
1161     fcntl
1162     fork
1163     getaddrinfo
1164     gethrtime
1165     GetProcessMemoryInfo
1166     GetProcessTimes
1167     getrusage
1168     gnu_as
1169     struct_rusage_ru_maxrss
1170     ibm_asm
1171     inet_aton
1172     inline_asm
1173     isatty
1174     kbhit
1175     ldbrx
1176     llrint
1177     llrintf
1178     local_aligned_16
1179     local_aligned_8
1180     localtime_r
1181     log2
1182     log2f
1183     loongson
1184     lrint
1185     lrintf
1186     lzo1x_999_compress
1187     machine_ioctl_bt848_h
1188     machine_ioctl_meteor_h
1189     malloc_h
1190     MapViewOfFile
1191     memalign
1192     mkstemp
1193     mmap
1194     PeekNamedPipe
1195     posix_memalign
1196     round
1197     roundf
1198     sdl
1199     sdl_video_size
1200     setmode
1201     sndio_h
1202     socklen_t
1203     soundcard_h
1204     poll_h
1205     setrlimit
1206     strerror_r
1207     strptime
1208     struct_addrinfo
1209     struct_ipv6_mreq
1210     struct_sockaddr_in6
1211     struct_sockaddr_sa_len
1212     struct_sockaddr_storage
1213     symver
1214     symver_gnu_asm
1215     symver_asm_label
1216     sys_mman_h
1217     sys_resource_h
1218     sys_select_h
1219     sys_soundcard_h
1220     sys_videoio_h
1221     termios_h
1222     threads
1223     trunc
1224     truncf
1225     vfp_args
1226     VirtualAlloc
1227     winsock2_h
1228     xform_asm
1229     xmm_clobbers
1230     yasm
1231 "
1232
1233 # options emitted with CONFIG_ prefix but not available on command line
1234 CONFIG_EXTRA="
1235     avutil
1236     gplv3
1237     lgplv3
1238 "
1239
1240 CMDLINE_SELECT="
1241     $ARCH_EXT_LIST
1242     $CONFIG_LIST
1243     $THREADS_LIST
1244     asm
1245     cross_compile
1246     debug
1247     extra_warnings
1248     logging
1249     optimizations
1250     stripping
1251     symver
1252     yasm
1253 "
1254
1255 PATHS_LIST='
1256     bindir
1257     datadir
1258     incdir
1259     libdir
1260     mandir
1261     prefix
1262     shlibdir
1263 '
1264
1265 CMDLINE_SET="
1266     $PATHS_LIST
1267     ar
1268     arch
1269     as
1270     build_suffix
1271     progs_suffix
1272     cc
1273     cpu
1274     cross_prefix
1275     cxx
1276     dep_cc
1277     extra_version
1278     host_cc
1279     host_cflags
1280     host_ldflags
1281     host_libs
1282     host_os
1283     install
1284     ld
1285     logfile
1286     malloc_prefix
1287     nm
1288     optflags
1289     pkg_config
1290     samples
1291     strip
1292     sysinclude
1293     sysroot
1294     target_exec
1295     target_os
1296     target_path
1297 "
1298
1299 CMDLINE_APPEND="
1300     extra_cflags
1301     extra_cxxflags
1302 "
1303
1304 # code dependency declarations
1305
1306 # architecture extensions
1307
1308 armv5te_deps="arm"
1309 armv6_deps="arm"
1310 armv6t2_deps="arm"
1311 armvfp_deps="arm"
1312 iwmmxt_deps="arm"
1313 neon_deps="arm"
1314 vfpv3_deps="armvfp"
1315
1316 mmi_deps="mips"
1317
1318 altivec_deps="ppc"
1319 ppc4xx_deps="ppc"
1320
1321 vis_deps="sparc"
1322
1323 x86_64_suggest="cmov fast_cmov"
1324 amd3dnow_deps="mmx"
1325 amd3dnowext_deps="amd3dnow"
1326 mmx_deps="x86"
1327 mmx2_deps="mmx"
1328 sse_deps="mmx"
1329 ssse3_deps="sse"
1330 avx_deps="ssse3"
1331
1332 aligned_stack_if_any="ppc x86"
1333 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1334 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1335 fast_unaligned_if_any="armv6 ppc x86"
1336
1337 need_memalign="altivec neon sse"
1338 inline_asm_deps="!tms470"
1339
1340 symver_if_any="symver_asm_label symver_gnu_asm"
1341
1342 # subsystems
1343 dct_select="rdft"
1344 mdct_select="fft"
1345 rdft_select="fft"
1346 mpegaudiodsp_select="dct"
1347
1348 # decoders / encoders / hardware accelerators
1349 aac_decoder_select="mdct sinewin"
1350 aac_encoder_select="mdct sinewin"
1351 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1352 ac3_decoder_select="mdct ac3dsp ac3_parser"
1353 ac3_encoder_select="mdct ac3dsp"
1354 ac3_fixed_encoder_select="mdct ac3dsp"
1355 alac_encoder_select="lpc"
1356 amrnb_decoder_select="lsp"
1357 amrwb_decoder_select="lsp"
1358 atrac1_decoder_select="mdct sinewin"
1359 atrac3_decoder_select="mdct"
1360 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1361 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1362 cavs_decoder_select="golomb"
1363 cook_decoder_select="mdct sinewin"
1364 cscd_decoder_suggest="zlib"
1365 dca_decoder_select="mdct"
1366 dnxhd_encoder_select="aandct"
1367 dxa_decoder_select="zlib"
1368 eac3_decoder_select="ac3_decoder"
1369 eac3_encoder_select="mdct ac3dsp"
1370 eamad_decoder_select="aandct"
1371 eatgq_decoder_select="aandct"
1372 eatqi_decoder_select="aandct"
1373 ffv1_decoder_select="golomb"
1374 flac_decoder_select="golomb"
1375 flac_encoder_select="golomb lpc"
1376 flashsv_decoder_select="zlib"
1377 flashsv_encoder_select="zlib"
1378 flashsv2_encoder_select="zlib"
1379 flashsv2_decoder_select="zlib"
1380 flv_decoder_select="h263_decoder"
1381 flv_encoder_select="h263_encoder"
1382 fraps_decoder_select="huffman"
1383 h261_encoder_select="aandct"
1384 h263_decoder_select="h263_parser"
1385 h263_encoder_select="aandct"
1386 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1387 h263i_decoder_select="h263_decoder"
1388 h263p_encoder_select="h263_encoder"
1389 h264_decoder_select="golomb h264dsp h264pred"
1390 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1391 h264_dxva2_hwaccel_deps="dxva2api_h"
1392 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1393 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1394 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1395 h264_vda_hwaccel_select="vda h264_decoder"
1396 h264_vdpau_decoder_select="vdpau h264_decoder"
1397 imc_decoder_select="fft mdct sinewin"
1398 jpegls_decoder_select="golomb"
1399 jpegls_encoder_select="golomb"
1400 ljpeg_encoder_select="aandct"
1401 loco_decoder_select="golomb"
1402 mjpeg_encoder_select="aandct"
1403 mlp_decoder_select="mlp_parser"
1404 mp1_decoder_select="mpegaudiodsp"
1405 mp2_decoder_select="mpegaudiodsp"
1406 mp3adu_decoder_select="mpegaudiodsp"
1407 mp3_decoder_select="mpegaudiodsp"
1408 mp3on4_decoder_select="mpegaudiodsp"
1409 mp1float_decoder_select="mpegaudiodsp"
1410 mp2float_decoder_select="mpegaudiodsp"
1411 mp3adufloat_decoder_select="mpegaudiodsp"
1412 mp3float_decoder_select="mpegaudiodsp"
1413 mp3on4float_decoder_select="mpegaudiodsp"
1414 mpeg1video_encoder_select="aandct"
1415 mpeg2video_encoder_select="aandct"
1416 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1417 mpeg4_encoder_select="h263_encoder"
1418 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1419 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1420 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1421 mpeg2_crystalhd_decoder_select="crystalhd"
1422 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1423 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1424 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1425 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1426 mpeg4_crystalhd_decoder_select="crystalhd"
1427 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1428 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1429 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1430 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1431 msmpeg4_crystalhd_decoder_select="crystalhd"
1432 msmpeg4v1_decoder_select="h263_decoder"
1433 msmpeg4v1_encoder_select="h263_encoder"
1434 msmpeg4v2_decoder_select="h263_decoder"
1435 msmpeg4v2_encoder_select="h263_encoder"
1436 msmpeg4v3_decoder_select="h263_decoder"
1437 msmpeg4v3_encoder_select="h263_encoder"
1438 nellymoser_decoder_select="mdct sinewin"
1439 nellymoser_encoder_select="mdct sinewin"
1440 png_decoder_select="zlib"
1441 png_encoder_select="zlib"
1442 qcelp_decoder_select="lsp"
1443 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1444 ra_144_encoder_select="lpc"
1445 rv10_decoder_select="h263_decoder"
1446 rv10_encoder_select="h263_encoder"
1447 rv20_decoder_select="h263_decoder"
1448 rv20_encoder_select="h263_encoder"
1449 rv30_decoder_select="golomb h264pred"
1450 rv40_decoder_select="golomb h264pred"
1451 shorten_decoder_select="golomb"
1452 sipr_decoder_select="lsp"
1453 snow_decoder_select="dwt"
1454 snow_encoder_select="aandct dwt"
1455 sonic_decoder_select="golomb"
1456 sonic_encoder_select="golomb"
1457 sonic_ls_encoder_select="golomb"
1458 svq1_encoder_select="aandct"
1459 svq3_decoder_select="golomb h264dsp h264pred"
1460 svq3_decoder_suggest="zlib"
1461 theora_decoder_select="vp3_decoder"
1462 tiff_decoder_suggest="zlib"
1463 tiff_encoder_suggest="zlib"
1464 truehd_decoder_select="mlp_decoder"
1465 tscc_decoder_select="zlib"
1466 twinvq_decoder_select="mdct lsp sinewin"
1467 vc1_decoder_select="h263_decoder"
1468 vc1_crystalhd_decoder_select="crystalhd"
1469 vc1_dxva2_hwaccel_deps="dxva2api_h"
1470 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1471 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1472 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1473 vc1image_decoder_select="vc1_decoder"
1474 vorbis_decoder_select="mdct"
1475 vorbis_encoder_select="mdct"
1476 vp6_decoder_select="huffman"
1477 vp6a_decoder_select="vp6_decoder"
1478 vp6f_decoder_select="vp6_decoder"
1479 vp8_decoder_select="h264pred"
1480 wmapro_decoder_select="mdct sinewin"
1481 wmav1_decoder_select="mdct sinewin"
1482 wmav1_encoder_select="mdct sinewin"
1483 wmav2_decoder_select="mdct sinewin"
1484 wmav2_encoder_select="mdct sinewin"
1485 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1486 wmv1_decoder_select="h263_decoder"
1487 wmv1_encoder_select="h263_encoder"
1488 wmv2_decoder_select="h263_decoder"
1489 wmv2_encoder_select="h263_encoder"
1490 wmv3_decoder_select="vc1_decoder"
1491 wmv3_crystalhd_decoder_select="crystalhd"
1492 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1493 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1494 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1495 wmv3image_decoder_select="wmv3_decoder"
1496 zlib_decoder_select="zlib"
1497 zlib_encoder_select="zlib"
1498 zmbv_decoder_select="zlib"
1499 zmbv_encoder_select="zlib"
1500
1501 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1502 vaapi_deps="va_va_h"
1503 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1504 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1505
1506 # parsers
1507 h264_parser_select="golomb h264dsp h264pred"
1508
1509 # external libraries
1510 libaacplus_encoder_deps="libaacplus"
1511 libcelt_decoder_deps="libcelt"
1512 libdirac_decoder_deps="libdirac !libschroedinger"
1513 libdirac_encoder_deps="libdirac"
1514 libfaac_encoder_deps="libfaac"
1515 libgsm_decoder_deps="libgsm"
1516 libgsm_encoder_deps="libgsm"
1517 libgsm_ms_decoder_deps="libgsm"
1518 libgsm_ms_encoder_deps="libgsm"
1519 libmodplug_demuxer_deps="libmodplug"
1520 libmp3lame_encoder_deps="libmp3lame"
1521 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1522 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1523 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1524 libopenjpeg_decoder_deps="libopenjpeg"
1525 libopenjpeg_encoder_deps="libopenjpeg"
1526 libschroedinger_decoder_deps="libschroedinger"
1527 libschroedinger_encoder_deps="libschroedinger"
1528 libspeex_decoder_deps="libspeex"
1529 libspeex_encoder_deps="libspeex"
1530 libstagefright_h264_decoder_deps="libstagefright_h264"
1531 libtheora_encoder_deps="libtheora"
1532 libvo_aacenc_encoder_deps="libvo_aacenc"
1533 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1534 libvorbis_encoder_deps="libvorbis"
1535 libvpx_decoder_deps="libvpx"
1536 libvpx_encoder_deps="libvpx"
1537 libx264_encoder_deps="libx264"
1538 libxavs_encoder_deps="libxavs"
1539 libxvid_encoder_deps="libxvid"
1540 libutvideo_decoder_deps="libutvideo gpl"
1541
1542 # demuxers / muxers
1543 ac3_demuxer_select="ac3_parser"
1544 asf_stream_muxer_select="asf_muxer"
1545 avisynth_demuxer_deps="avisynth"
1546 dirac_demuxer_select="dirac_parser"
1547 eac3_demuxer_select="ac3_parser"
1548 flac_demuxer_select="flac_parser"
1549 ipod_muxer_select="mov_muxer"
1550 libnut_demuxer_deps="libnut"
1551 libnut_muxer_deps="libnut"
1552 matroska_audio_muxer_select="matroska_muxer"
1553 matroska_demuxer_suggest="zlib bzlib"
1554 mov_demuxer_suggest="zlib"
1555 mp3_demuxer_select="mpegaudio_parser"
1556 mp4_muxer_select="mov_muxer"
1557 mpegtsraw_demuxer_select="mpegts_demuxer"
1558 mxf_d10_muxer_select="mxf_muxer"
1559 ogg_demuxer_select="golomb"
1560 psp_muxer_select="mov_muxer"
1561 rtp_demuxer_select="sdp_demuxer"
1562 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1563 rtsp_demuxer_select="http_protocol rtpdec"
1564 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1565 sap_demuxer_select="sdp_demuxer"
1566 sap_muxer_select="rtp_muxer rtp_protocol"
1567 sdp_demuxer_select="rtpdec"
1568 spdif_muxer_select="aac_parser"
1569 tg2_muxer_select="mov_muxer"
1570 tgp_muxer_select="mov_muxer"
1571 w64_demuxer_deps="wav_demuxer"
1572
1573 # indevs / outdevs
1574 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1575 alsa_outdev_deps="alsa_asoundlib_h"
1576 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1577 dshow_indev_deps="IBaseFilter"
1578 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1579 dv1394_indev_deps="dv1394 dv_demuxer"
1580 fbdev_indev_deps="linux_fb_h"
1581 jack_indev_deps="jack_jack_h sem_timedwait"
1582 lavfi_indev_deps="avfilter"
1583 libcdio_indev_deps="libcdio"
1584 libdc1394_indev_deps="libdc1394"
1585 libv4l2_indev_deps="libv4l2"
1586 openal_indev_deps="openal"
1587 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1588 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1589 pulse_indev_deps="libpulse"
1590 sdl_outdev_deps="sdl"
1591 sndio_indev_deps="sndio_h"
1592 sndio_outdev_deps="sndio_h"
1593 v4l_indev_deps="linux_videodev_h"
1594 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1595 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1596 vfwcap_indev_extralibs="-lavicap32"
1597 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1598 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1599
1600 # protocols
1601 gopher_protocol_deps="network"
1602 httpproxy_protocol_deps="network"
1603 httpproxy_protocol_select="tcp_protocol"
1604 http_protocol_deps="network"
1605 http_protocol_select="tcp_protocol"
1606 https_protocol_select="tls_protocol"
1607 mmsh_protocol_select="http_protocol"
1608 mmst_protocol_deps="network"
1609 rtmp_protocol_select="tcp_protocol"
1610 rtp_protocol_select="udp_protocol"
1611 tcp_protocol_deps="network"
1612 tls_protocol_deps_any="openssl gnutls"
1613 tls_protocol_select="tcp_protocol"
1614 udp_protocol_deps="network"
1615
1616 # filters
1617 amovie_filter_deps="avcodec avformat"
1618 ass_filter_deps="libass"
1619 blackframe_filter_deps="gpl"
1620 boxblur_filter_deps="gpl"
1621 cropdetect_filter_deps="gpl"
1622 delogo_filter_deps="gpl"
1623 drawtext_filter_deps="libfreetype"
1624 frei0r_filter_deps="frei0r dlopen"
1625 frei0r_src_filter_deps="frei0r dlopen"
1626 hqdn3d_filter_deps="gpl"
1627 movie_filter_deps="avcodec avformat"
1628 mp_filter_deps="gpl avcodec"
1629 mptestsrc_filter_deps="gpl"
1630 negate_filter_deps="lut_filter"
1631 ocv_filter_deps="libopencv"
1632 scale_filter_deps="swscale"
1633 yadif_filter_deps="gpl"
1634
1635 # libraries
1636 avdevice_deps="avcodec avformat"
1637 avformat_deps="avcodec"
1638 postproc_deps="gpl"
1639
1640 # programs
1641 ffmpeg_deps="avcodec avformat swscale swresample"
1642 ffmpeg_select="buffer_filter buffersink_filter"
1643 avconv_deps="avcodec avformat swscale"
1644 avconv_select="buffer_filter"
1645 ffplay_deps="avcodec avformat swscale sdl"
1646 ffplay_select="buffersink_filter rdft"
1647 ffprobe_deps="avcodec avformat"
1648 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1649 ffserver_extralibs='$ldl'
1650
1651 doc_deps="texi2html"
1652
1653 # tests
1654
1655 test_deps(){
1656     suf1=$1
1657     suf2=$2
1658     shift 2
1659     for v; do
1660         dep=${v%=*}
1661         tests=${v#*=}
1662         for name in ${tests}; do
1663             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1664         done
1665     done
1666 }
1667
1668 mxf_d10_test_deps="avfilter"
1669 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1670
1671 test_deps _encoder _decoder                                             \
1672     adpcm_g726=g726                                                     \
1673     adpcm_ima_qt                                                        \
1674     adpcm_ima_wav                                                       \
1675     adpcm_ms                                                            \
1676     adpcm_swf                                                           \
1677     adpcm_yamaha=adpcm_yam                                              \
1678     alac                                                                \
1679     asv1                                                                \
1680     asv2                                                                \
1681     bmp                                                                 \
1682     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1683     dvvideo="dv dv_411 dv50"                                            \
1684     ffv1                                                                \
1685     flac                                                                \
1686     flashsv                                                             \
1687     flv                                                                 \
1688     gif                                                                 \
1689     h261                                                                \
1690     h263="h263 h263p"                                                   \
1691     huffyuv                                                             \
1692     jpegls                                                              \
1693     mjpeg="jpg mjpeg ljpeg"                                             \
1694     mp2                                                                 \
1695     mpeg1video="mpeg mpeg1b"                                            \
1696     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1697     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1698     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1699     mpeg4="mpeg4thread error rc"                                        \
1700     msmpeg4v3=msmpeg4                                                   \
1701     msmpeg4v2                                                           \
1702     pbm=pbmpipe                                                         \
1703     pcx                                                                 \
1704     pgm="pgm pgmpipe"                                                   \
1705     png                                                                 \
1706     ppm="ppm ppmpipe"                                                   \
1707     rawvideo="rgb yuv"                                                  \
1708     roq                                                                 \
1709     rv10                                                                \
1710     rv20                                                                \
1711     sgi                                                                 \
1712     snow="snow snowll"                                                  \
1713     svq1                                                                \
1714     targa=tga                                                           \
1715     tiff                                                                \
1716     wmav1                                                               \
1717     wmav2                                                               \
1718     wmv1                                                                \
1719     wmv2                                                                \
1720
1721 test_deps _muxer _demuxer                                               \
1722     aiff                                                                \
1723     pcm_alaw=alaw                                                       \
1724     asf                                                                 \
1725     au                                                                  \
1726     avi                                                                 \
1727     dv=dv_fmt                                                           \
1728     ffm                                                                 \
1729     flv=flv_fmt                                                         \
1730     gxf                                                                 \
1731     matroska=mkv                                                        \
1732     mmf                                                                 \
1733     mov                                                                 \
1734     pcm_mulaw=mulaw                                                     \
1735     mxf="mxf mxf_d10"                                                   \
1736     nut                                                                 \
1737     ogg                                                                 \
1738     rawvideo=pixfmt                                                     \
1739     rm                                                                  \
1740     swf                                                                 \
1741     mpegts=ts                                                           \
1742     voc                                                                 \
1743     wav                                                                 \
1744     yuv4mpegpipe=yuv4mpeg                                               \
1745
1746 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1747 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1748
1749 # default parameters
1750
1751 logfile="config.log"
1752
1753 # installation paths
1754 prefix_default="/usr/local"
1755 bindir_default='${prefix}/bin'
1756 datadir_default='${prefix}/share/ffmpeg'
1757 incdir_default='${prefix}/include'
1758 libdir_default='${prefix}/lib'
1759 mandir_default='${prefix}/share/man'
1760 shlibdir_default="$libdir_default"
1761
1762 # toolchain
1763 ar_default="ar"
1764 cc_default="gcc"
1765 cxx_default="g++"
1766 cc_version=\"unknown\"
1767 host_cc_default="gcc"
1768 install="install"
1769 ln_s="ln -sf"
1770 nm_default="nm"
1771 objformat="elf"
1772 pkg_config_default=pkg-config
1773 ranlib="ranlib"
1774 strip_default="strip"
1775 yasmexe="yasm"
1776 nogas=":"
1777
1778 nm_opts='-g'
1779
1780 # machine
1781 arch_default=$(uname -m)
1782 cpu="generic"
1783
1784 # OS
1785 target_os_default=$(tolower $(uname -s))
1786 host_os=$target_os_default
1787
1788 # configurable options
1789 enable avcodec
1790 enable avdevice
1791 enable avfilter
1792 enable avformat
1793 enable avutil
1794 enable asm
1795 enable debug
1796 enable doc
1797 enable fastdiv
1798 enable ffmpeg
1799 enable avconv
1800 enable ffplay
1801 enable ffprobe
1802 enable ffserver
1803 enable network
1804 enable optimizations
1805 enable postproc
1806 enable protocols
1807 enable static
1808 enable stripping
1809 enable swresample
1810 enable swscale
1811 enable swscale_alpha
1812
1813 # build settings
1814 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1815 FFSERVERLDFLAGS=-Wl,-E
1816 LIBPREF="lib"
1817 LIBSUF=".a"
1818 FULLNAME='$(NAME)$(BUILDSUF)'
1819 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1820 SLIBPREF="lib"
1821 SLIBSUF=".so"
1822 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1823 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1824 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1825 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1826 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1827 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1828
1829 AS_O='-o $@'
1830 CC_O='-o $@'
1831 CXX_O='-o $@'
1832
1833 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1834 host_libs='-lm'
1835
1836 target_path='$(CURDIR)'
1837
1838 # since the object filename is not given with the -MM flag, the compiler
1839 # is only able to print the basename, and we must add the path ourselves
1840 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1841 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1842
1843 # find source path
1844 if test -f configure; then
1845     source_path=.
1846 else
1847     source_path=$(cd $(dirname "$0"); pwd)
1848     echo "$source_path" | grep -q '[[:blank:]]' &&
1849         die "Out of tree builds are impossible with whitespace in source path."
1850     test -e "$source_path/config.h" &&
1851         die "Out of tree builds are impossible with config.h in source dir."
1852 fi
1853
1854 for v in "$@"; do
1855     r=${v#*=}
1856     l=${v%"$r"}
1857     r=$(sh_quote "$r")
1858     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1859 done
1860
1861 find_things(){
1862     thing=$1
1863     pattern=$2
1864     file=$source_path/$3
1865     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1866 }
1867
1868 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1869 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1870 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1871 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1872 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1873 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1874 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1875 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1876 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1877 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1878 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1879
1880 find_tests(){
1881     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1882 }
1883
1884 ACODEC_TESTS=$(find_tests acodec)
1885 VCODEC_TESTS=$(find_tests vsynth1)
1886 LAVF_TESTS=$(find_tests lavf)
1887 LAVFI_TESTS=$(find_tests lavfi)
1888 SEEK_TESTS=$(find_tests seek seek_)
1889
1890 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1891
1892 for n in $COMPONENT_LIST; do
1893     v=$(toupper ${n%s})_LIST
1894     eval enable \$$v
1895     eval ${n}_if_any="\$$v"
1896 done
1897
1898 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1899
1900 die_unknown(){
1901     echo "Unknown option \"$1\"."
1902     echo "See $0 --help for available options."
1903     exit 1
1904 }
1905
1906 show_list() {
1907     suffix=_$1
1908     shift
1909     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1910     exit 0
1911 }
1912
1913 for opt do
1914     optval="${opt#*=}"
1915     case "$opt" in
1916     --extra-ldflags=*) add_ldflags $optval
1917     ;;
1918     --extra-libs=*) add_extralibs $optval
1919     ;;
1920     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1921     ;;
1922     --enable-debug=*) debuglevel="$optval"
1923     ;;
1924     --disable-everything)
1925     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1926     ;;
1927     --enable-*=*|--disable-*=*)
1928     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1929     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1930     eval list=\$$(toupper $thing)_LIST
1931     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1932     $action $(filter "$name" $list)
1933     ;;
1934     --enable-?*|--disable-?*)
1935     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1936     if is_in $option $COMPONENT_LIST; then
1937         test $action = disable && action=unset
1938         eval $action \$$(toupper ${option%s})_LIST
1939     elif is_in $option $CMDLINE_SELECT; then
1940         $action $option
1941     else
1942         die_unknown $opt
1943     fi
1944     ;;
1945     --list-*)
1946         NAME="${opt#--list-}"
1947         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1948         NAME=${NAME%s}
1949         eval show_list $NAME \$$(toupper $NAME)_LIST
1950     ;;
1951     --help|-h) show_help
1952     ;;
1953     *)
1954     optname="${opt%%=*}"
1955     optname="${optname#--}"
1956     optname=$(echo "$optname" | sed 's/-/_/g')
1957     if is_in $optname $CMDLINE_SET; then
1958         eval $optname='$optval'
1959     elif is_in $optname $CMDLINE_APPEND; then
1960         append $optname "$optval"
1961     else
1962          die_unknown $opt
1963     fi
1964     ;;
1965     esac
1966 done
1967
1968 disabled logging && logfile=/dev/null
1969
1970 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1971 set >> $logfile
1972
1973 test -n "$cross_prefix" && enable cross_compile
1974
1975 if enabled cross_compile; then
1976     test -n "$arch" && test -n "$target_os" ||
1977         die "Must specify target arch and OS when cross-compiling"
1978 fi
1979
1980 set_default arch target_os
1981
1982 ar_default="${cross_prefix}${ar_default}"
1983 cc_default="${cross_prefix}${cc_default}"
1984 cxx_default="${cross_prefix}${cxx_default}"
1985 nm_default="${cross_prefix}${nm_default}"
1986 pkg_config_default="${cross_prefix}${pkg_config_default}"
1987 ranlib="${cross_prefix}${ranlib}"
1988 strip_default="${cross_prefix}${strip_default}"
1989
1990 sysinclude_default="${sysroot}/usr/include"
1991
1992 set_default cc cxx nm pkg_config strip sysinclude
1993 enabled cross_compile || host_cc_default=$cc
1994 set_default host_cc
1995
1996 if ! $pkg_config --version >/dev/null 2>&1; then
1997     warn "$pkg_config not found, library detection may fail."
1998     pkg_config=false
1999 fi
2000
2001 exesuf() {
2002     case $1 in
2003         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2004     esac
2005 }
2006
2007 EXESUF=$(exesuf $target_os)
2008 HOSTEXESUF=$(exesuf $host_os)
2009
2010 # set temporary file name
2011 : ${TMPDIR:=$TEMPDIR}
2012 : ${TMPDIR:=$TMP}
2013 : ${TMPDIR:=/tmp}
2014
2015 if ! check_cmd mktemp -u XXXXXX; then
2016     # simple replacement for missing mktemp
2017     # NOT SAFE FOR GENERAL USE
2018     mktemp(){
2019         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2020     }
2021 fi
2022
2023 tmpfile(){
2024     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2025         (set -C; exec > $tmp) 2>/dev/null ||
2026         die "Unable to create temporary file in $TMPDIR."
2027     append TMPFILES $tmp
2028     eval $1=$tmp
2029 }
2030
2031 trap 'rm -f -- $TMPFILES' EXIT
2032
2033 tmpfile TMPC  .c
2034 tmpfile TMPCPP .cpp
2035 tmpfile TMPE  $EXESUF
2036 tmpfile TMPH  .h
2037 tmpfile TMPO  .o
2038 tmpfile TMPS  .S
2039 tmpfile TMPV  .ver
2040 tmpfile TMPSH .sh
2041 tmpfile TMPASM .asm
2042
2043 unset -f mktemp
2044
2045 chmod +x $TMPE
2046
2047 # make sure we can execute files in $TMPDIR
2048 cat > $TMPSH 2>> $logfile <<EOF
2049 #! /bin/sh
2050 EOF
2051 chmod +x $TMPSH >> $logfile 2>&1
2052 if ! $TMPSH >> $logfile 2>&1; then
2053     cat <<EOF
2054 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2055 variable to another directory and make sure that it is not mounted noexec.
2056 EOF
2057     die "Sanity test failed."
2058 fi
2059
2060 filter_cflags=echo
2061 filter_cppflags=echo
2062 filter_asflags=echo
2063
2064 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2065     cc_type=llvm_gcc
2066     cc_version=__VERSION__
2067     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2068     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2069     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2070     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2071     speed_cflags='-O3'
2072     size_cflags='-Os'
2073 elif $cc -v 2>&1 | grep -qi ^gcc; then
2074     cc_type=gcc
2075     cc_version=__VERSION__
2076     gcc_version=$($cc --version | head -n1)
2077     gcc_basever=$($cc -dumpversion)
2078     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2079     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2080     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2081     if ! $cc -dumpversion | grep -q '^2\.'; then
2082         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2083         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2084     fi
2085     speed_cflags='-O3'
2086     size_cflags='-Os'
2087 elif $cc --version 2>/dev/null | grep -q Intel; then
2088     cc_type=icc
2089     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2090     cc_ident=$($cc --version | head -n1)
2091     icc_version=$($cc -dumpversion)
2092     CC_DEPFLAGS='-MMD'
2093     AS_DEPFLAGS='-MMD'
2094     speed_cflags='-O3'
2095     size_cflags='-Os'
2096     noopt_cflags='-O1'
2097 elif $cc -v 2>&1 | grep -q xlc; then
2098     cc_type=xlc
2099     cc_version="AV_STRINGIFY(__IBMC__)"
2100     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2101     speed_cflags='-O5'
2102     size_cflags='-O5 -qcompact'
2103 elif $cc -V 2>/dev/null | grep -q Compaq; then
2104     cc_type=ccc
2105     cc_version="AV_STRINGIFY(__DECC_VER)"
2106     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2107     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2108     debuglevel=3
2109     add_ldflags -Wl,-z,now # calls to libots crash without this
2110     speed_cflags='-fast'
2111     size_cflags='-O1'
2112 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2113     test -d "$sysroot" || die "No valid sysroot specified."
2114     cc_type=armcc
2115     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2116     cc_ident=$($cc --vsn | head -n1)
2117     armcc_conf="$PWD/armcc.conf"
2118     $cc --arm_linux_configure                 \
2119         --arm_linux_config_file="$armcc_conf" \
2120         --configure_sysroot="$sysroot"        \
2121         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2122         die "Error creating armcc configuration file."
2123     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2124     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2125     as_default="${cross_prefix}gcc"
2126     CC_DEPFLAGS='-MMD'
2127     AS_DEPFLAGS='-MMD'
2128     speed_cflags='-O3'
2129     size_cflags='-Os'
2130     filter_asflags="filter_out -W${armcc_opt}*"
2131 elif $cc -version 2>/dev/null | grep -q TMS470; then
2132     cc_type=tms470
2133     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2134     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2135     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2136     CC_O='-fr=$(@D)'
2137     as_default="${cross_prefix}gcc"
2138     ld_default="${cross_prefix}gcc"
2139     TMPO=$(basename $TMPC .c).o
2140     append TMPFILES $TMPO
2141     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2142     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2143     AS_DEPFLAGS='-MMD'
2144     speed_cflags='-O3 -mf=5'
2145     size_cflags='-O3 -mf=2'
2146     filter_cflags=tms470_flags
2147     tms470_flags(){
2148         for flag; do
2149             case $flag in
2150                 -march=*|-mcpu=*)
2151                     case "${flag#*=}" in
2152                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2153                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2154                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2155                         armv6*|arm11*)          echo -mv=6   ;;
2156                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2157                                                 echo -mv=5e  ;;
2158                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2159                     esac
2160                     ;;
2161                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2162                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2163                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2164                 -msoft-float)   echo --float_support=vfplib       ;;
2165                 -O[0-3]|-mf=*)  echo $flag                        ;;
2166                 -g)             echo -g -mn                       ;;
2167                 -pds=*)         echo $flag                        ;;
2168             esac
2169         done
2170     }
2171 elif $cc -v 2>&1 | grep -q clang; then
2172     cc_type=clang
2173     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2174         cc_version=__clang_version__ || cc_version=__VERSION__
2175     cc_ident=$($cc --version | head -n1)
2176     CC_DEPFLAGS='-MMD'
2177     AS_DEPFLAGS='-MMD'
2178     speed_cflags='-O3'
2179     size_cflags='-Os'
2180 elif $cc -V 2>&1 | grep -q Sun; then
2181     cc_type=suncc
2182     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2183     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2184     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2185     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2186     add_ldflags -xc99
2187     speed_cflags='-O5'
2188     size_cflags='-O5 -xspace'
2189     filter_cflags=suncc_flags
2190     suncc_flags(){
2191         for flag; do
2192             case $flag in
2193                 -march=*|-mcpu=*)
2194                     case "${flag#*=}" in
2195                         native)                   echo -xtarget=native       ;;
2196                         v9|niagara)               echo -xarch=sparc          ;;
2197                         ultrasparc)               echo -xarch=sparcvis       ;;
2198                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2199                         i586|pentium)             echo -xchip=pentium        ;;
2200                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2201                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2202                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2203                         pentium4*)          echo -xtarget=pentium4           ;;
2204                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2205                         *-sse3)             echo -xarch=sse3                 ;;
2206                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2207                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2208                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2209                         k8|opteron|athlon64|athlon-fx)
2210                                                   echo -xarch=sse2a          ;;
2211                         athlon*)                  echo -xarch=pentium_proa   ;;
2212                     esac
2213                     ;;
2214                 -std=c99)             echo -xc99              ;;
2215                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2216                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2217                 -W*,*)                echo $flag              ;;
2218                 -f*-*|-W*)                                    ;;
2219                 *)                    echo $flag              ;;
2220             esac
2221         done
2222     }
2223 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2224     cc_type=pathscale
2225     cc_version=__PATHSCALE__
2226     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2227     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2228     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2229     speed_cflags='-O2'
2230     size_cflags='-Os'
2231     filter_cflags='filter_out -Wdisabled-optimization'
2232 elif $cc -v 2>&1 | grep -q Open64; then
2233     cc_type=open64
2234     cc_version=__OPEN64__
2235     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2236     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2237     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2238     speed_cflags='-O2'
2239     size_cflags='-Os'
2240     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2241 fi
2242
2243 test -n "$cc_type" && enable $cc_type ||
2244     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2245
2246 : ${as_default:=$cc}
2247 : ${dep_cc_default:=$cc}
2248 : ${ld_default:=$cc}
2249 set_default ar as dep_cc ld
2250
2251 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2252 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2253 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2254
2255 add_cflags $extra_cflags
2256 add_cxxflags $extra_cxxflags
2257 add_asflags $extra_cflags
2258
2259 if test -n "$sysroot"; then
2260     case "$cc_type" in
2261         gcc|llvm_gcc|clang)
2262             add_cppflags --sysroot="$sysroot"
2263             add_ldflags --sysroot="$sysroot"
2264         ;;
2265         tms470)
2266             add_cppflags -I"$sysinclude"
2267             add_ldflags  --sysroot="$sysroot"
2268         ;;
2269     esac
2270 fi
2271
2272 if test "$cpu" = host; then
2273     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2274
2275     case "$cc_type" in
2276         gcc|llvm_gcc)
2277             check_native(){
2278                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2279                 sed -n "/cc1.*$1=/{
2280                             s/.*$1=\\([^ ]*\\).*/\\1/
2281                             p
2282                             q
2283                         }" $TMPE
2284             }
2285             cpu=$(check_native -march || check_native -mcpu)
2286         ;;
2287     esac
2288
2289     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2290 fi
2291
2292 # Deal with common $arch aliases
2293 case "$arch" in
2294     arm*)
2295         arch="arm"
2296     ;;
2297     mips|mipsel|IP*)
2298         arch="mips"
2299     ;;
2300     mips64*)
2301         arch="mips"
2302         subarch="mips64"
2303     ;;
2304     parisc|hppa)
2305         arch="parisc"
2306     ;;
2307     parisc64|hppa64)
2308         arch="parisc"
2309         subarch="parisc64"
2310     ;;
2311     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2312         arch="ppc"
2313     ;;
2314     s390|s390x)
2315         arch="s390"
2316     ;;
2317     sh4|sh)
2318         arch="sh4"
2319     ;;
2320     sun4u|sparc64)
2321         arch="sparc"
2322         subarch="sparc64"
2323     ;;
2324     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2325         arch="x86"
2326     ;;
2327 esac
2328
2329 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2330 enable $arch
2331
2332 # Add processor-specific flags
2333 if test "$cpu" = generic; then
2334     : do nothing
2335 elif enabled ppc; then
2336
2337     case $(tolower $cpu) in
2338         601|ppc601|powerpc601)
2339             cpuflags="-mcpu=601"
2340             disable altivec
2341         ;;
2342         603*|ppc603*|powerpc603*)
2343             cpuflags="-mcpu=603"
2344             disable altivec
2345         ;;
2346         604*|ppc604*|powerpc604*)
2347             cpuflags="-mcpu=604"
2348             disable altivec
2349         ;;
2350         g3|75*|ppc75*|powerpc75*)
2351             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2352             disable altivec
2353         ;;
2354         g4|745*|ppc745*|powerpc745*)
2355             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2356         ;;
2357         74*|ppc74*|powerpc74*)
2358             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2359         ;;
2360         g5|970|ppc970|powerpc970|power4*)
2361             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2362         ;;
2363         cell)
2364             cpuflags="-mcpu=cell"
2365             enable ldbrx
2366         ;;
2367         e500v2)
2368             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2369             disable altivec
2370         ;;
2371         e500)
2372             cpuflags="-mcpu=8540 -mhard-float"
2373             disable altivec
2374         ;;
2375     esac
2376
2377 elif enabled x86; then
2378
2379     case $cpu in
2380         i[345]86|pentium)
2381             cpuflags="-march=$cpu"
2382             disable mmx
2383         ;;
2384         # targets that do NOT support conditional mov (cmov)
2385         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2386             cpuflags="-march=$cpu"
2387             disable cmov
2388         ;;
2389         # targets that do support conditional mov (cmov)
2390         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2391             cpuflags="-march=$cpu"
2392             enable cmov
2393             enable fast_cmov
2394         ;;
2395         # targets that do support conditional mov but on which it's slow
2396         pentium4|pentium4m|prescott|nocona)
2397             cpuflags="-march=$cpu"
2398             enable cmov
2399             disable fast_cmov
2400         ;;
2401     esac
2402
2403 elif enabled sparc; then
2404
2405     case $cpu in
2406         niagara)
2407             cpuflags="-mcpu=$cpu"
2408             disable vis
2409         ;;
2410         sparc64)
2411             cpuflags="-mcpu=v9"
2412         ;;
2413     esac
2414
2415 elif enabled arm; then
2416
2417     case $cpu in
2418         armv*)
2419             cpuflags="-march=$cpu"
2420             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2421         ;;
2422         *)
2423             cpuflags="-mcpu=$cpu"
2424             case $cpu in
2425                 cortex-a*)                               subarch=armv7a  ;;
2426                 cortex-r*)                               subarch=armv7r  ;;
2427                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2428                 arm11*)                                  subarch=armv6   ;;
2429                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2430                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2431             esac
2432         ;;
2433     esac
2434
2435 elif enabled alpha; then
2436
2437     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2438
2439 elif enabled bfin; then
2440
2441     cpuflags="-mcpu=$cpu"
2442
2443 elif enabled mips; then
2444
2445     cpuflags="-march=$cpu"
2446
2447 elif enabled avr32; then
2448
2449     case $cpu in
2450         ap7[02]0[0-2])
2451             subarch="avr32_ap"
2452             cpuflags="-mpart=$cpu"
2453         ;;
2454         ap)
2455             subarch="avr32_ap"
2456             cpuflags="-march=$cpu"
2457         ;;
2458         uc3[ab]*)
2459             subarch="avr32_uc"
2460             cpuflags="-mcpu=$cpu"
2461         ;;
2462         uc)
2463             subarch="avr32_uc"
2464             cpuflags="-march=$cpu"
2465         ;;
2466     esac
2467
2468 fi
2469
2470 add_cflags $cpuflags
2471 add_asflags $cpuflags
2472
2473 # compiler sanity check
2474 check_exec <<EOF
2475 int main(void){ return 0; }
2476 EOF
2477 if test "$?" != 0; then
2478     echo "$cc is unable to create an executable file."
2479     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2480         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2481         echo "Only do this if you know what cross compiling means."
2482     fi
2483     die "C compiler test failed."
2484 fi
2485
2486 add_cppflags -D_ISOC99_SOURCE
2487 add_cxxflags -D__STDC_CONSTANT_MACROS
2488 check_cflags -std=c99
2489 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2490 #include <stdlib.h>
2491 EOF
2492 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2493 #include <stdlib.h>
2494 EOF
2495
2496 check_host_cflags -std=c99
2497 check_host_cflags -Wall
2498
2499 case "$arch" in
2500     alpha|ia64|mips|parisc|sparc)
2501         spic=$shared
2502     ;;
2503     x86)
2504         subarch="x86_32"
2505         check_cc <<EOF && subarch="x86_64"
2506         int test[(int)sizeof(char*) - 7];
2507 EOF
2508         if test "$subarch" = "x86_64"; then
2509             spic=$shared
2510         fi
2511     ;;
2512     ppc)
2513         check_cc <<EOF && subarch="ppc64"
2514         int test[(int)sizeof(char*) - 7];
2515 EOF
2516     ;;
2517 esac
2518
2519 enable $subarch
2520 enabled spic && enable pic
2521
2522 # OS specific
2523 case $target_os in
2524     haiku)
2525         prefix_default="/boot/common"
2526         network_extralibs="-lnetwork"
2527         host_libs=
2528         ;;
2529     sunos)
2530         FFSERVERLDFLAGS=""
2531         SHFLAGS='-shared -Wl,-h,$$(@F)'
2532         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2533         network_extralibs="-lsocket -lnsl"
2534         add_cppflags -D__EXTENSIONS__
2535         # When using suncc to build, the Solaris linker will mark
2536         # an executable with each instruction set encountered by
2537         # the Solaris assembler.  As our libraries contain their own
2538         # guards for processor-specific code, instead suppress
2539         # generation of the HWCAPS ELF section on Solaris x86 only.
2540         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2541         nm_opts='-P -g'
2542         ;;
2543     netbsd)
2544         disable symver
2545         oss_indev_extralibs="-lossaudio"
2546         oss_outdev_extralibs="-lossaudio"
2547         ;;
2548     openbsd)
2549         enable malloc_aligned
2550         # On OpenBSD 4.5. the compiler does not use PIC unless
2551         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2552         # however the generated executable will not do anything
2553         # (simply quits with exit-code 1, no crash, no output).
2554         # Thus explicitly enable PIC here.
2555         enable pic
2556         disable symver
2557         SHFLAGS='-shared'
2558         oss_indev_extralibs="-lossaudio"
2559         oss_outdev_extralibs="-lossaudio"
2560         ;;
2561     dragonfly)
2562         enable malloc_aligned
2563         disable symver
2564         ;;
2565     freebsd)
2566         enable malloc_aligned
2567         ;;
2568     bsd/os)
2569         add_extralibs -lpoll -lgnugetopt
2570         strip="strip -d"
2571         ;;
2572     darwin)
2573         enable malloc_aligned
2574         gas="gas-preprocessor.pl $cc"
2575         enabled ppc && add_asflags -force_cpusubtype_ALL
2576         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2577         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2578         strip="${strip} -x"
2579         add_ldflags -Wl,-dynamic,-search_paths_first
2580         SLIBSUF=".dylib"
2581         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2582         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2583         FFSERVERLDFLAGS=-Wl,-bind_at_load
2584         objformat="macho"
2585         enabled x86_64 && objformat="macho64"
2586         enabled_any pic shared ||
2587             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2588         ;;
2589     mingw32*)
2590         if test $target_os = "mingw32ce"; then
2591             disable network
2592         else
2593             target_os=mingw32
2594         fi
2595         LIBTARGET=i386
2596         if enabled x86_64; then
2597             enable malloc_aligned
2598             LIBTARGET=x64
2599         elif enabled arm; then
2600             LIBTARGET=arm-wince
2601         fi
2602         shlibdir_default="$bindir_default"
2603         SLIBPREF=""
2604         SLIBSUF=".dll"
2605         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2606         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2607         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2608         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2609         SLIB_INSTALL_LINKS=
2610         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2611         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2612         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'
2613         objformat="win32"
2614         enable dos_paths
2615         check_cflags -fno-common
2616         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2617                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2618                 die "ERROR: MinGW runtime version must be >= 3.15."
2619         add_cppflags -U__STRICT_ANSI__
2620         ;;
2621     cygwin*)
2622         target_os=cygwin
2623         shlibdir_default="$bindir_default"
2624         SLIBPREF="cyg"
2625         SLIBSUF=".dll"
2626         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2627         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2628         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2629         objformat="win32"
2630         enable dos_paths
2631         check_cflags -fno-common
2632         add_cppflags -U__STRICT_ANSI__
2633         ;;
2634     *-dos|freedos|opendos)
2635         network_extralibs="-lsocket"
2636         objformat="coff"
2637         enable dos_paths
2638         add_cppflags -U__STRICT_ANSI__
2639         ;;
2640     linux)
2641         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2642         enable dv1394
2643         ;;
2644     irix*)
2645         target_os=irix
2646         ranlib="echo ignoring ranlib"
2647         ;;
2648     os/2*)
2649         strip="lxlite -CS"
2650         ln_s="cp -f"
2651         objformat="aout"
2652         add_cppflags -D_GNU_SOURCE
2653         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2654         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2655         FFSERVERLDFLAGS=""
2656         LIBSUF="_s.a"
2657         SLIBPREF=""
2658         SLIBSUF=".dll"
2659         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2660         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2661         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2662           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2663           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2664           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2665           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2666           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2667         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2668           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2669         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2670         enable dos_paths
2671         enable_weak os2threads
2672         ;;
2673     gnu/kfreebsd)
2674         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2675         ;;
2676     gnu)
2677         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2678         ;;
2679     qnx)
2680         add_cppflags -D_QNX_SOURCE
2681         network_extralibs="-lsocket"
2682         ;;
2683     symbian)
2684         SLIBSUF=".dll"
2685         enable dos_paths
2686         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2687         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2688         add_ldflags -Wl,--target1-abs,--no-undefined \
2689                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2690                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2691         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2692                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2693                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2694         ;;
2695     none)
2696         ;;
2697     *)
2698         die "Unknown OS '$target_os'."
2699         ;;
2700 esac
2701
2702 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2703
2704 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2705
2706 set_default $PATHS_LIST
2707
2708 # we need to build at least one lib type
2709 if ! enabled_any static shared; then
2710     cat <<EOF
2711 At least one library type must be built.
2712 Specify --enable-static to build the static libraries or --enable-shared to
2713 build the shared libraries as well. To only build the shared libraries specify
2714 --disable-static in addition to --enable-shared.
2715 EOF
2716     exit 1;
2717 fi
2718
2719 die_license_disabled() {
2720     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2721 }
2722
2723 die_license_disabled gpl libcdio
2724 die_license_disabled gpl libx264
2725 die_license_disabled gpl libxavs
2726 die_license_disabled gpl libxvid
2727 die_license_disabled gpl x11grab
2728
2729 die_license_disabled nonfree libaacplus
2730 die_license_disabled nonfree libfaac
2731 die_license_disabled nonfree openssl
2732
2733 die_license_disabled version3 libopencore_amrnb
2734 die_license_disabled version3 libopencore_amrwb
2735 die_license_disabled version3 libvo_aacenc
2736 die_license_disabled version3 libvo_amrwbenc
2737
2738 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2739
2740 disabled optimizations || check_cflags -fomit-frame-pointer
2741
2742 enable_pic() {
2743     enable pic
2744     add_cppflags -DPIC
2745     add_cflags   -fPIC
2746     add_asflags  -fPIC
2747 }
2748
2749 enabled pic && enable_pic
2750
2751 check_cc <<EOF || die "Symbol mangling check failed."
2752 int ff_extern;
2753 EOF
2754 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2755 extern_prefix=${sym%%ff_extern*}
2756
2757 check_cc <<EOF && enable inline_asm
2758 void foo(void) { __asm__ volatile ("" ::); }
2759 EOF
2760
2761 _restrict=
2762 for restrict_keyword in restrict __restrict__ __restrict; do
2763     check_cc <<EOF && _restrict=$restrict_keyword && break
2764 void foo(char * $restrict_keyword p);
2765 EOF
2766 done
2767
2768 check_cc <<EOF && enable attribute_packed
2769 struct { int x; } __attribute__((packed)) x;
2770 EOF
2771
2772 check_cc <<EOF && enable attribute_may_alias
2773 union { int x; } __attribute__((may_alias)) x;
2774 EOF
2775
2776 check_cc <<EOF || die "endian test failed"
2777 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2778 EOF
2779 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2780
2781 if enabled alpha; then
2782
2783     check_cflags -mieee
2784
2785 elif enabled arm; then
2786
2787     enabled thumb && check_cflags -mthumb || check_cflags -marm
2788     nogas=die
2789
2790     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2791         enable vfp_args
2792     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2793         case "${cross_prefix:-$cc}" in
2794             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2795             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2796 __asm__ (".eabi_attribute 28, 1");
2797 int main(void) { return 0; }
2798 EOF
2799         esac
2800         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2801     fi
2802
2803     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2804     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2805     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2806     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2807     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2808     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2809     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2810
2811     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2812
2813     enabled_all armv6t2 shared !pic && enable_pic
2814
2815 elif enabled mips; then
2816
2817     check_asm loongson '"dmult.g $1, $2, $3"'
2818     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2819
2820 elif enabled ppc; then
2821
2822     enable local_aligned_8 local_aligned_16
2823
2824     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2825     check_asm ibm_asm   '"add 0, 0, 0"'
2826     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2827     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2828
2829     # AltiVec flags: The FSF version of GCC differs from the Apple version
2830     if enabled altivec; then
2831         nogas=warn
2832         check_cflags -maltivec -mabi=altivec &&
2833         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2834         check_cflags -faltivec
2835
2836         # check if our compiler supports Motorola AltiVec C API
2837         check_cc <<EOF || disable altivec
2838 $inc_altivec_h
2839 int main(void) {
2840     vector signed int v1, v2, v3;
2841     v1 = vec_add(v2,v3);
2842     return 0;
2843 }
2844 EOF
2845
2846         # check if our compiler supports braces for vector declarations
2847         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2848 $inc_altivec_h
2849 int main (void) { (vector int) {1}; return 0; }
2850 EOF
2851     fi
2852
2853 elif enabled sparc; then
2854
2855     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2856         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2857
2858 elif enabled x86; then
2859
2860     enable local_aligned_8 local_aligned_16
2861
2862     # check whether EBP is available on x86
2863     # As 'i' is stored on the stack, this program will crash
2864     # if the base pointer is used to access it because the
2865     # base pointer is cleared in the inline assembly code.
2866     check_exec_crash <<EOF && enable ebp_available
2867     volatile int i=0;
2868     __asm__ volatile (
2869         "xorl %%ebp, %%ebp"
2870     ::: "%ebp");
2871     return i;
2872 EOF
2873
2874     # check whether EBX is available on x86
2875     check_asm ebx_available '""::"b"(0)' &&
2876         check_asm ebx_available '"":::"%ebx"'
2877
2878     # check whether xmm clobbers are supported
2879     check_asm xmm_clobbers '"":::"%xmm0"'
2880
2881     # check whether binutils is new enough to compile SSSE3/MMX2
2882     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2883     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2884
2885     check_asm bswap '"bswap %%eax" ::: "%eax"'
2886
2887     if ! disabled_any asm mmx yasm; then
2888         if check_cmd $yasmexe --version; then
2889             enabled x86_64 && yasm_extra="-m amd64"
2890             yasm_debug="-g dwarf2"
2891         elif check_cmd nasm -v; then
2892             yasmexe=nasm
2893             yasm_debug="-g -F dwarf"
2894             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2895         fi
2896
2897         YASMFLAGS="-f $objformat $yasm_extra"
2898         enabled pic               && append YASMFLAGS "-DPIC"
2899         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2900         case "$objformat" in
2901             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2902         esac
2903
2904         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2905             die "yasm not found, use --disable-yasm for a crippled build"
2906         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2907     fi
2908
2909     case "$cpu" in
2910         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2911             disable fast_clz
2912         ;;
2913     esac
2914
2915 fi
2916
2917 if enabled asm; then
2918     as=${gas:=$as}
2919     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2920         $nogas "GNU assembler not found, install gas-preprocessor"
2921 fi
2922
2923 check_ldflags -Wl,--as-needed
2924
2925 if check_func dlopen; then
2926     ldl=
2927 elif check_func dlopen -ldl; then
2928     ldl=-ldl
2929 fi
2930
2931 if enabled network; then
2932     check_type "sys/types.h sys/socket.h" socklen_t
2933     check_type netdb.h "struct addrinfo"
2934     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2935     check_type netinet/in.h "struct sockaddr_in6"
2936     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2937     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2938     # Prefer arpa/inet.h over winsock2
2939     if check_header arpa/inet.h ; then
2940         check_func closesocket
2941     elif check_header winsock2.h ; then
2942         check_func_headers winsock2.h closesocket -lws2 && \
2943             network_extralibs="-lws2" || \
2944         { check_func_headers winsock2.h closesocket -lws2_32 && \
2945             network_extralibs="-lws2_32"; }
2946         check_type ws2tcpip.h socklen_t
2947         check_type ws2tcpip.h "struct addrinfo"
2948         check_type ws2tcpip.h "struct ipv6_mreq"
2949         check_type ws2tcpip.h "struct sockaddr_in6"
2950         check_type ws2tcpip.h "struct sockaddr_storage"
2951         check_struct winsock2.h "struct sockaddr" sa_len
2952     else
2953         disable network
2954     fi
2955 fi
2956
2957 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2958 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2959
2960 check_func  fcntl
2961 check_func  fork
2962 check_func  getaddrinfo $network_extralibs
2963 check_func  gethrtime
2964 check_func  getrusage
2965 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2966 check_func  inet_aton $network_extralibs
2967 check_func  isatty
2968 check_func  localtime_r
2969 check_func  ${malloc_prefix}memalign            && enable memalign
2970 check_func  mkstemp
2971 check_func  mmap
2972 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2973 check_func  setrlimit
2974 check_func  strerror_r
2975 check_func  strptime
2976 check_func_headers conio.h kbhit
2977 check_func_headers windows.h PeekNamedPipe
2978 check_func_headers io.h setmode
2979 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2980 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2981 check_func_headers windows.h GetProcessTimes
2982 check_func_headers windows.h MapViewOfFile
2983 check_func_headers windows.h VirtualAlloc
2984
2985 check_header dlfcn.h
2986 check_header dxva2api.h -D_WIN32_WINNT=0x0600
2987 check_header libcrystalhd/libcrystalhd_if.h
2988 check_header malloc.h
2989 check_header poll.h
2990 check_header sys/mman.h
2991 check_header sys/resource.h
2992 check_header sys/select.h
2993 check_header termios.h
2994 check_header vdpau/vdpau.h
2995 check_header vdpau/vdpau_x11.h
2996 check_header X11/extensions/XvMClib.h
2997
2998 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2999 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3000
3001 # check for VDA header
3002 if ! disabled vda; then
3003     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3004         enable vda
3005         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3006     fi
3007 fi
3008
3009 if ! disabled w32threads && ! enabled pthreads; then
3010     check_func _beginthreadex && enable w32threads
3011 fi
3012
3013 # check for some common methods of building with pthread support
3014 # do this before the optional library checks as some of them require pthreads
3015 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3016     enable pthreads
3017     if check_func pthread_create; then
3018         :
3019     elif check_func pthread_create -pthread; then
3020         add_cflags -pthread
3021         add_extralibs -pthread
3022     elif check_func pthread_create -pthreads; then
3023         add_cflags -pthreads
3024         add_extralibs -pthreads
3025     elif check_func pthread_create -lpthreadGC2; then
3026         add_extralibs -lpthreadGC2
3027     elif ! check_lib pthread.h pthread_create -lpthread; then
3028         disable pthreads
3029     fi
3030 fi
3031
3032 for thread in $THREADS_LIST; do
3033     if enabled $thread; then
3034         test -n "$thread_type" &&
3035             die "ERROR: Only one thread type must be selected." ||
3036             thread_type="$thread"
3037     fi
3038 done
3039
3040 check_lib math.h sin -lm && LIBM="-lm"
3041 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3042 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3043
3044 check_mathfunc cbrtf
3045 check_mathfunc exp2
3046 check_mathfunc exp2f
3047 check_mathfunc llrint
3048 check_mathfunc llrintf
3049 check_mathfunc log2
3050 check_mathfunc log2f
3051 check_mathfunc lrint
3052 check_mathfunc lrintf
3053 check_mathfunc round
3054 check_mathfunc roundf
3055 check_mathfunc trunc
3056 check_mathfunc truncf
3057
3058 # these are off by default, so fail if requested and not available
3059 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3060 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3061 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3062 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3063 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3064 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0
3065 enabled libdc1394  && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
3066 enabled libdirac   && require_pkg_config dirac                          \
3067     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
3068     "dirac_decoder_init dirac_encoder_init"
3069 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3070 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3071 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3072 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3073 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3074 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3075 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3076 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3077 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3078 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3079 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3080 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3081 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3082 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3083 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3084     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3085     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3086 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3087 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3088 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3089 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3090 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3091 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3092 enabled libvpx     && {
3093     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3094                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3095     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3096                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3097 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3098                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3099                         die "ERROR: libx264 version must be >= 0.118."; }
3100 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3101 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3102 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3103                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3104                         die "ERROR: openal not found"; } &&
3105                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3106                         die "ERROR: openal version must be 1.1 or compatible"; }
3107 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
3108 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3109                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3110                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3111                         die "ERROR: openssl not found"; }
3112
3113 SDL_CONFIG="${cross_prefix}sdl-config"
3114 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3115     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3116     enable sdl &&
3117     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3118 else
3119   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3120     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3121     sdl_libs=$("${SDL_CONFIG}" --libs)
3122     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3123     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3124     enable sdl &&
3125     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3126   fi
3127 fi
3128 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3129
3130 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3131
3132 check_header linux/fb.h
3133 check_header linux/videodev.h
3134 check_header linux/videodev2.h
3135 check_header sys/videoio.h
3136
3137 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3138 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3139 # w32api 3.12 had it defined wrong
3140 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3141
3142 check_type "dshow.h" IBaseFilter
3143
3144 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3145 { check_header dev/bktr/ioctl_meteor.h &&
3146   check_header dev/bktr/ioctl_bt848.h; } ||
3147 { check_header machine/ioctl_meteor.h &&
3148   check_header machine/ioctl_bt848.h; } ||
3149 { check_header dev/video/meteor/ioctl_meteor.h &&
3150   check_header dev/video/bktr/ioctl_bt848.h; } ||
3151 check_header dev/ic/bt8xx.h
3152
3153 check_header sndio.h
3154 if check_struct sys/soundcard.h audio_buf_info bytes; then
3155     enable_safe sys/soundcard.h
3156 else
3157     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3158     #include <sys/soundcard.h>
3159     audio_buf_info abc;
3160 EOF
3161 fi
3162 check_header soundcard.h
3163
3164 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3165
3166 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3167
3168 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3169
3170 enabled libcdio &&
3171     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3172
3173 enabled x11grab                         &&
3174 check_header X11/Xlib.h                 &&
3175 check_header X11/extensions/XShm.h      &&
3176 check_header X11/extensions/Xfixes.h    &&
3177 check_func XOpenDisplay -lX11           &&
3178 check_func XShmCreateImage -lX11 -lXext &&
3179 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3180
3181 if ! disabled vaapi; then
3182     check_lib va/va.h vaInitialize -lva && {
3183         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3184         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3185     } || disable vaapi
3186 fi
3187
3188 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3189 check_cpp_condition \
3190     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3191     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3192       disable vdpau; }
3193 fi
3194
3195 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3196
3197 # add some useful compiler flags if supported
3198 check_cflags -Wdeclaration-after-statement
3199 check_cflags -Wall
3200 check_cflags -Wno-parentheses
3201 check_cflags -Wno-switch
3202 check_cflags -Wno-format-zero-length
3203 check_cflags -Wdisabled-optimization
3204 check_cflags -Wpointer-arith
3205 check_cflags -Wredundant-decls
3206 check_cflags -Wno-pointer-sign
3207 check_cflags -Wcast-qual
3208 check_cflags -Wwrite-strings
3209 check_cflags -Wtype-limits
3210 check_cflags -Wundef
3211 check_cflags -Wmissing-prototypes
3212 check_cflags -Wno-pointer-to-int-cast
3213 check_cflags -Wstrict-prototypes
3214 enabled extra_warnings && check_cflags -Winline
3215
3216 # add some linker flags
3217 check_ldflags -Wl,--warn-common
3218 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3219 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3220
3221 echo "X{};" > $TMPV
3222 if test_ldflags -Wl,--version-script,$TMPV; then
3223     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3224     check_cc <<EOF && enable symver_asm_label
3225 void ff_foo(void) __asm__ ("av_foo@VERSION");
3226 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3227 EOF
3228     check_cc <<EOF && enable symver_gnu_asm
3229 __asm__(".symver ff_foo,av_foo@VERSION");
3230 void ff_foo(void) {}
3231 EOF
3232 fi
3233
3234 if [ -n "$optflags" ]; then
3235     add_cflags $optflags
3236 elif enabled small; then
3237     add_cflags $size_cflags
3238 elif enabled optimizations; then
3239     add_cflags $speed_cflags
3240 else
3241     add_cflags $noopt_cflags
3242 fi
3243 check_cflags -fno-math-errno
3244 check_cflags -fno-signed-zeros
3245 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3246 int x;
3247 EOF
3248
3249
3250 if enabled icc; then
3251     # Just warnings, no remarks
3252     check_cflags -w1
3253     # -wd: Disable following warnings
3254     # 144, 167, 556: -Wno-pointer-sign
3255     # 1292: attribute "foo" ignored
3256     # 10006: ignoring unknown option -fno-signed-zeros
3257     # 10148: ignoring unknown option -Wno-parentheses
3258     # 10156: ignoring option '-W'; no argument required
3259     check_cflags -wd144,167,556,1292,10006,10148,10156
3260     # 11030: Warning unknown option --as-needed
3261     # 10156: ignoring option '-export'; no argument required
3262     check_ldflags -wd10156,11030
3263     # Allow to compile with optimizations
3264     check_ldflags -march=$cpu
3265     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3266     enable ebp_available
3267     if enabled x86_32; then
3268         test ${icc_version%%.*} -ge 11 && \
3269             check_cflags -falign-stack=maintain-16-byte || \
3270             disable aligned_stack
3271     fi
3272 elif enabled ccc; then
3273     # disable some annoying warnings
3274     add_cflags -msg_disable cvtu32to64
3275     add_cflags -msg_disable embedcomment
3276     add_cflags -msg_disable needconstext
3277     add_cflags -msg_disable nomainieee
3278     add_cflags -msg_disable ptrmismatch1
3279     add_cflags -msg_disable unreachcode
3280 elif enabled gcc; then
3281     check_cflags -fno-tree-vectorize
3282     check_cflags -Werror=implicit-function-declaration
3283     check_cflags -Werror=missing-prototypes
3284 elif enabled llvm_gcc; then
3285     check_cflags -mllvm -stack-alignment=16
3286 elif enabled clang; then
3287     check_cflags -mllvm -stack-alignment=16
3288     check_cflags -Qunused-arguments
3289 elif enabled armcc; then
3290     # 2523: use of inline assembler is deprecated
3291     add_cflags -W${armcc_opt},--diag_suppress=2523
3292     add_cflags -W${armcc_opt},--diag_suppress=1207
3293     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3294     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3295     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3296     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3297 elif enabled tms470; then
3298     add_cflags -pds=824 -pds=837
3299 elif enabled pathscale; then
3300     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3301 fi
3302
3303 enabled_any $THREADS_LIST      && enable threads
3304
3305 check_deps $CONFIG_LIST       \
3306            $CONFIG_EXTRA      \
3307            $HAVE_LIST         \
3308            $DECODER_LIST      \
3309            $ENCODER_LIST      \
3310            $HWACCEL_LIST      \
3311            $PARSER_LIST       \
3312            $BSF_LIST          \
3313            $DEMUXER_LIST      \
3314            $MUXER_LIST        \
3315            $FILTER_LIST       \
3316            $INDEV_LIST        \
3317            $OUTDEV_LIST       \
3318            $PROTOCOL_LIST     \
3319            $ACODEC_TESTS      \
3320            $VCODEC_TESTS      \
3321            $LAVF_TESTS        \
3322            $LAVFI_TESTS       \
3323            $SEEK_TESTS        \
3324
3325 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3326
3327 if test $target_os = "haiku"; then
3328     disable memalign
3329     disable posix_memalign
3330 fi
3331
3332 ! enabled_any memalign posix_memalign malloc_aligned &&
3333     enabled_any $need_memalign && enable memalign_hack
3334
3335 echo "install prefix            $prefix"
3336 echo "source path               $source_path"
3337 echo "C compiler                $cc"
3338 echo "ARCH                      $arch ($cpu)"
3339 if test "$build_suffix" != ""; then
3340     echo "build suffix              $build_suffix"
3341 fi
3342 if test "$progs_suffix" != ""; then
3343     echo "progs suffix              $progs_suffix"
3344 fi
3345 if test "$extra_version" != ""; then
3346     echo "version string suffix     $extra_version"
3347 fi
3348 echo "big-endian                ${bigendian-no}"
3349 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3350 if enabled x86; then
3351     echo "${yasmexe}                      ${yasm-no}"
3352     echo "MMX enabled               ${mmx-no}"
3353     echo "MMX2 enabled              ${mmx2-no}"
3354     echo "3DNow! enabled            ${amd3dnow-no}"
3355     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3356     echo "SSE enabled               ${sse-no}"
3357     echo "SSSE3 enabled             ${ssse3-no}"
3358     echo "AVX enabled               ${avx-no}"
3359     echo "CMOV enabled              ${cmov-no}"
3360     echo "CMOV is fast              ${fast_cmov-no}"
3361     echo "EBX available             ${ebx_available-no}"
3362     echo "EBP available             ${ebp_available-no}"
3363 fi
3364 if enabled arm; then
3365     echo "ARMv5TE enabled           ${armv5te-no}"
3366     echo "ARMv6 enabled             ${armv6-no}"
3367     echo "ARMv6T2 enabled           ${armv6t2-no}"
3368     echo "ARM VFP enabled           ${armvfp-no}"
3369     echo "IWMMXT enabled            ${iwmmxt-no}"
3370     echo "NEON enabled              ${neon-no}"
3371 fi
3372 if enabled mips; then
3373     echo "MMI enabled               ${mmi-no}"
3374 fi
3375 if enabled ppc; then
3376     echo "AltiVec enabled           ${altivec-no}"
3377     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3378     echo "dcbzl available           ${dcbzl-no}"
3379 fi
3380 if enabled sparc; then
3381     echo "VIS enabled               ${vis-no}"
3382 fi
3383 echo "debug symbols             ${debug-no}"
3384 echo "strip symbols             ${stripping-no}"
3385 echo "optimize for size         ${small-no}"
3386 echo "optimizations             ${optimizations-no}"
3387 echo "static                    ${static-no}"
3388 echo "shared                    ${shared-no}"
3389 echo "postprocessing support    ${postproc-no}"
3390 echo "new filter support        ${avfilter-no}"
3391 echo "network support           ${network-no}"
3392 echo "threading support         ${thread_type-no}"
3393 echo "SDL support               ${sdl-no}"
3394 echo "Sun medialib support      ${mlib-no}"
3395 echo "libdxva2 enabled          ${dxva2-no}"
3396 echo "libva enabled             ${vaapi-no}"
3397 echo "libvdpau enabled          ${vdpau-no}"
3398 echo "AVISynth enabled          ${avisynth-no}"
3399 echo "frei0r enabled            ${frei0r-no}"
3400 echo "gnutls enabled            ${gnutls-no}"
3401 echo "libaacplus enabled        ${libaacplus-no}"
3402 echo "libass enabled            ${libass-no}"
3403 echo "libcdio support           ${libcdio-no}"
3404 echo "libcelt enabled           ${libcelt-no}"
3405 echo "libdc1394 support         ${libdc1394-no}"
3406 echo "libdirac enabled          ${libdirac-no}"
3407 echo "libfaac enabled           ${libfaac-no}"
3408 echo "libgsm enabled            ${libgsm-no}"
3409 echo "libmodplug enabled        ${libmodplug-no}"
3410 echo "libmp3lame enabled        ${libmp3lame-no}"
3411 echo "libnut enabled            ${libnut-no}"
3412 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3413 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3414 echo "libopencv support         ${libopencv-no}"
3415 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3416 echo "libpulse enabled          ${libpulse-no}"
3417 echo "librtmp enabled           ${librtmp-no}"
3418 echo "libschroedinger enabled   ${libschroedinger-no}"
3419 echo "libspeex enabled          ${libspeex-no}"
3420 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3421 echo "libtheora enabled         ${libtheora-no}"
3422 echo "libutvideo enabled        ${libutvideo-no}"
3423 echo "libv4l2 enabled           ${libv4l2-no}"
3424 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3425 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3426 echo "libvorbis enabled         ${libvorbis-no}"
3427 echo "libvpx enabled            ${libvpx-no}"
3428 echo "libx264 enabled           ${libx264-no}"
3429 echo "libxavs enabled           ${libxavs-no}"
3430 echo "libxvid enabled           ${libxvid-no}"
3431 echo "openal enabled            ${openal-no}"
3432 echo "openssl enabled           ${openssl-no}"
3433 echo "zlib enabled              ${zlib-no}"
3434 echo "bzlib enabled             ${bzlib-no}"
3435 echo
3436
3437 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3438     echo "Enabled ${type}s:"
3439     eval list=\$$(toupper $type)_LIST
3440     print_enabled '_*' $list | sort | pr -r -3 -t
3441     echo
3442 done
3443
3444 license="LGPL version 2.1 or later"
3445 if enabled nonfree; then
3446     license="nonfree and unredistributable"
3447 elif enabled gplv3; then
3448     license="GPL version 3 or later"
3449 elif enabled lgplv3; then
3450     license="LGPL version 3 or later"
3451 elif enabled gpl; then
3452     license="GPL version 2 or later"
3453 fi
3454
3455 echo "License: $license"
3456
3457 echo "Creating config.mak and config.h..."
3458
3459 test -e Makefile || $ln_s "$source_path/Makefile" .
3460
3461 enabled stripping || strip="echo skipping strip"
3462
3463 config_files="$TMPH config.mak"
3464
3465 cat > config.mak <<EOF
3466 # Automatically generated by configure - do not modify!
3467 ifndef FFMPEG_CONFIG_MAK
3468 FFMPEG_CONFIG_MAK=1
3469 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3470 prefix=$prefix
3471 LIBDIR=\$(DESTDIR)$libdir
3472 SHLIBDIR=\$(DESTDIR)$shlibdir
3473 INCDIR=\$(DESTDIR)$incdir
3474 BINDIR=\$(DESTDIR)$bindir
3475 DATADIR=\$(DESTDIR)$datadir
3476 MANDIR=\$(DESTDIR)$mandir
3477 SRC_PATH=$source_path
3478 ifndef MAIN_MAKEFILE
3479 SRC_PATH:=\$(SRC_PATH:.%=..%)
3480 endif
3481 CC_IDENT=$cc_ident
3482 ARCH=$arch
3483 CC=$cc
3484 CXX=$cxx
3485 AS=$as
3486 LD=$ld
3487 DEPCC=$dep_cc
3488 YASM=$yasmexe
3489 YASMDEP=$yasmexe
3490 AR=$ar
3491 RANLIB=$ranlib
3492 CP=cp -p
3493 LN_S=$ln_s
3494 STRIP=$strip
3495 CPPFLAGS=$CPPFLAGS
3496 CFLAGS=$CFLAGS
3497 CXXFLAGS=$CXXFLAGS
3498 ASFLAGS=$ASFLAGS
3499 AS_O=$CC_O
3500 CC_O=$CC_O
3501 CXX_O=$CXX_O
3502 LDFLAGS=$LDFLAGS
3503 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3504 SHFLAGS=$SHFLAGS
3505 YASMFLAGS=$YASMFLAGS
3506 BUILDSUF=$build_suffix
3507 PROGSSUF=$progs_suffix
3508 FULLNAME=$FULLNAME
3509 LIBPREF=$LIBPREF
3510 LIBSUF=$LIBSUF
3511 LIBNAME=$LIBNAME
3512 SLIBPREF=$SLIBPREF
3513 SLIBSUF=$SLIBSUF
3514 EXESUF=$EXESUF
3515 EXTRA_VERSION=$extra_version
3516 DEPFLAGS=$DEPFLAGS
3517 CCDEP=$CCDEP
3518 CXXDEP=$CXXDEP
3519 ASDEP=$ASDEP
3520 CC_DEPFLAGS=$CC_DEPFLAGS
3521 AS_DEPFLAGS=$AS_DEPFLAGS
3522 HOSTCC=$host_cc
3523 HOSTCFLAGS=$host_cflags
3524 HOSTEXESUF=$HOSTEXESUF
3525 HOSTLDFLAGS=$host_ldflags
3526 HOSTLIBS=$host_libs
3527 TARGET_EXEC=$target_exec
3528 TARGET_PATH=$target_path
3529 SDL_LIBS=$sdl_libs
3530 SDL_CFLAGS=$sdl_cflags
3531 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3532 EXTRALIBS=$extralibs
3533 INSTALL=$install
3534 LIBTARGET=${LIBTARGET}
3535 SLIBNAME=${SLIBNAME}
3536 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3537 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3538 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3539 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3540 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3541 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3542 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3543 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3544 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3545 NOREDZONE_FLAGS=$noredzone_flags
3546 EOF
3547
3548 get_version(){
3549     name=$1
3550     file=$source_path/$2
3551     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3552     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3553     lcname=$(tolower $name)
3554     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3555     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3556 }
3557
3558 get_version LIBSWSCALE  libswscale/swscale.h
3559 get_version LIBSWRESAMPLE libswresample/swresample.h
3560 get_version LIBPOSTPROC libpostproc/postprocess.h
3561 get_version LIBAVCODEC  libavcodec/version.h
3562 get_version LIBAVDEVICE libavdevice/avdevice.h
3563 get_version LIBAVFORMAT libavformat/version.h
3564 get_version LIBAVUTIL   libavutil/avutil.h
3565 get_version LIBAVFILTER libavfilter/avfilter.h
3566
3567 cat > $TMPH <<EOF
3568 /* Automatically generated by configure - do not modify! */
3569 #ifndef FFMPEG_CONFIG_H
3570 #define FFMPEG_CONFIG_H
3571 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3572 #define FFMPEG_LICENSE "$(c_escape $license)"
3573 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3574 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3575 #define CC_TYPE "$cc_type"
3576 #define CC_VERSION $cc_version
3577 #define restrict $_restrict
3578 #define EXTERN_PREFIX "${extern_prefix}"
3579 #define EXTERN_ASM ${extern_prefix}
3580 #define SLIBSUF "$SLIBSUF"
3581 EOF
3582
3583 test -n "$malloc_prefix" &&
3584     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3585
3586 if enabled small || disabled optimizations; then
3587     echo "#undef  av_always_inline"  >> $TMPH
3588     if enabled small; then
3589         echo "#define av_always_inline inline"  >> $TMPH
3590     else
3591         echo "#define av_always_inline av_unused"  >> $TMPH
3592     fi
3593 fi
3594
3595 if enabled yasm; then
3596     append config_files $TMPASM
3597     printf '' >$TMPASM
3598 fi
3599
3600 print_config ARCH_   "$config_files" $ARCH_LIST
3601 print_config HAVE_   "$config_files" $HAVE_LIST
3602 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3603                                      $CONFIG_EXTRA      \
3604                                      $DECODER_LIST      \
3605                                      $ENCODER_LIST      \
3606                                      $HWACCEL_LIST      \
3607                                      $PARSER_LIST       \
3608                                      $BSF_LIST          \
3609                                      $DEMUXER_LIST      \
3610                                      $MUXER_LIST        \
3611                                      $FILTER_LIST       \
3612                                      $PROTOCOL_LIST     \
3613                                      $INDEV_LIST        \
3614                                      $OUTDEV_LIST       \
3615
3616 cat >>config.mak <<EOF
3617 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3618 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3619 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3620 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3621 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3622 EOF
3623
3624 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3625 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3626
3627 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3628 cp_if_changed $TMPH config.h
3629 touch .config
3630
3631 enabled yasm && cp_if_changed $TMPASM config.asm
3632
3633 cat > $TMPH <<EOF
3634 /* Generated by ffconf */
3635 #ifndef AVUTIL_AVCONFIG_H
3636 #define AVUTIL_AVCONFIG_H
3637 EOF
3638
3639 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3640
3641 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3642
3643 cp_if_changed $TMPH libavutil/avconfig.h
3644
3645 test -n "$WARNINGS" && printf "\n$WARNINGS"
3646
3647 # build pkg-config files
3648
3649 pkgconfig_generate(){
3650 name=$1
3651 shortname=${name#lib}${build_suffix}
3652 comment=$2
3653 version=$3
3654 libs=$4
3655 requires=$5
3656 enabled ${name#lib} || return 0
3657 mkdir -p $name
3658 cat <<EOF > $name/$name.pc
3659 prefix=$prefix
3660 exec_prefix=\${prefix}
3661 libdir=$libdir
3662 includedir=$incdir
3663
3664 Name: $name
3665 Description: $comment
3666 Version: $version
3667 Requires: $(enabled shared || echo $requires)
3668 Requires.private: $(enabled shared && echo $requires)
3669 Conflicts:
3670 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3671 Libs.private: $(enabled shared && echo $libs)
3672 Cflags: -I\${includedir}
3673 EOF
3674 cat <<EOF > $name/$name-uninstalled.pc
3675 prefix=
3676 exec_prefix=
3677 libdir=\${pcfiledir}
3678 includedir=${source_path}
3679
3680 Name: $name
3681 Description: $comment
3682 Version: $version
3683 Requires: $requires
3684 Conflicts:
3685 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3686 Cflags: -I\${includedir}
3687 EOF
3688 }
3689
3690 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3691 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3692 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3693 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3694 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3695 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3696 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3697 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"