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