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   --enable-avconv          enable  avconv build
85   --disable-ffplay         disable ffplay build
86   --disable-ffprobe        disable ffprobe build
87   --disable-ffserver       disable ffserver build
88   --disable-avdevice       disable libavdevice build
89   --disable-avcodec        disable libavcodec build
90   --disable-avformat       disable libavformat build
91   --disable-swresample     disable libswresample build
92   --disable-swscale        disable libswscale build
93   --disable-postproc       disable libpostproc build
94   --disable-avfilter       disable video filter support [no]
95   --disable-pthreads       disable pthreads [auto]
96   --disable-w32threads     disable Win32 threads [auto]
97   --disable-os2threads     disable OS/2 threads [auto]
98   --enable-x11grab         enable X11 grabbing [no]
99   --disable-network        disable network support [no]
100   --enable-gray            enable full grayscale support (slower color)
101   --disable-swscale-alpha  disable alpha channel support in swscale
102   --disable-fastdiv        disable table-based division
103   --enable-small           optimize for size instead of speed
104   --disable-aandct         disable AAN DCT code
105   --disable-dct            disable DCT code
106   --disable-fft            disable FFT code
107   --disable-golomb         disable Golomb code
108   --disable-huffman        disable Huffman code
109   --disable-lpc            disable LPC code
110   --disable-mdct           disable MDCT code
111   --disable-rdft           disable RDFT code
112   --enable-vaapi           enable VAAPI code [autodetect]
113   --enable-vda             enable VDA code [autodetect]
114   --enable-vdpau           enable VDPAU code [autodetect]
115   --disable-dxva2          disable DXVA2 code
116   --disable-vda            disable VDA code
117   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
118   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
119   --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   --enable-coverage        build with test coverage instrumentation
264   --disable-debug          disable debugging symbols
265   --enable-debug=LEVEL     set the debug level [$debuglevel]
266   --disable-optimizations  disable compiler optimizations
267   --enable-extra-warnings  enable more compiler warnings
268   --disable-stripping      disable stripping of executables and shared libraries
269   --samples=PATH           location of test samples for FATE, if not set use
270                            \$FATE_SAMPLES at make invocation time.
271
272 NOTE: Object files are built at the place where configure is launched.
273 EOF
274   exit 0
275 }
276
277 quotes='""'
278
279 log(){
280     echo "$@" >> $logfile
281 }
282
283 log_file(){
284     log BEGIN $1
285     pr -n -t $1 >> $logfile
286     log END $1
287 }
288
289 echolog(){
290     log "$@"
291     echo "$@"
292 }
293
294 warn(){
295     log "WARNING: $*"
296     WARNINGS="${WARNINGS}WARNING: $*\n"
297 }
298
299 die(){
300     echolog "$@"
301     cat <<EOF
302
303 If you think configure made a mistake, make sure you are using the latest
304 version from Git.  If the latest version fails, report the problem to the
305 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
306 EOF
307     if disabled logging; then
308         cat <<EOF
309 Rerun configure with logging enabled (do not use --disable-logging), and
310 include the log this produces with your report.
311 EOF
312     else
313 cat <<EOF
314 Include the log file "$logfile" produced by configure as this will help
315 solving the problem.
316 EOF
317     fi
318     exit 1
319 }
320
321 # Avoid locale weirdness, besides we really just want to translate ASCII.
322 toupper(){
323     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
324 }
325
326 tolower(){
327     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
328 }
329
330 c_escape(){
331     echo "$*" | sed 's/["\\]/\\\0/g'
332 }
333
334 sh_quote(){
335     v=$(echo "$1" | sed "s/'/'\\\\''/g")
336     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
337     echo "$v"
338 }
339
340 cleanws(){
341     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
342 }
343
344 filter(){
345     pat=$1
346     shift
347     for v; do
348         eval "case $v in $pat) echo $v ;; esac"
349     done
350 }
351
352 filter_out(){
353     pat=$1
354     shift
355     for v; do
356         eval "case $v in $pat) ;; *) echo $v ;; esac"
357     done
358 }
359
360 map(){
361     m=$1
362     shift
363     for v; do eval $m; done
364 }
365
366 set_all(){
367     value=$1
368     shift
369     for var in $*; do
370         eval $var=$value
371     done
372 }
373
374 set_weak(){
375     value=$1
376     shift
377     for var; do
378         eval : \${$var:=$value}
379     done
380 }
381
382 set_safe(){
383     var=$1
384     shift
385     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
386 }
387
388 get_safe(){
389     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
390 }
391
392 pushvar(){
393     for var in $*; do
394         eval level=\${${var}_level:=0}
395         eval ${var}_${level}="\$$var"
396         eval ${var}_level=$(($level+1))
397     done
398 }
399
400 popvar(){
401     for var in $*; do
402         eval level=\${${var}_level:-0}
403         test $level = 0 && continue
404         eval level=$(($level-1))
405         eval $var="\${${var}_${level}}"
406         eval ${var}_level=$level
407         eval unset ${var}_${level}
408     done
409 }
410
411 enable(){
412     set_all yes $*
413 }
414
415 disable(){
416     set_all no $*
417 }
418
419 enable_weak(){
420     set_weak yes $*
421 }
422
423 disable_weak(){
424     set_weak no $*
425 }
426
427 enable_safe(){
428     for var; do
429         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
430     done
431 }
432
433 disable_safe(){
434     for var; do
435         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
436     done
437 }
438
439 do_enable_deep(){
440     for var; do
441         enabled $var && continue
442         eval sel="\$${var}_select"
443         eval sgs="\$${var}_suggest"
444         pushvar var sgs
445         enable_deep $sel
446         popvar sgs
447         enable_deep_weak $sgs
448         popvar var
449     done
450 }
451
452 enable_deep(){
453     do_enable_deep $*
454     enable $*
455 }
456
457 enable_deep_weak(){
458     do_enable_deep $*
459     enable_weak $*
460 }
461
462 enabled(){
463     test "${1#!}" = "$1" && op== || op=!=
464     eval test "x\$${1#!}" $op "xyes"
465 }
466
467 disabled(){
468     test "${1#!}" = "$1" && op== || op=!=
469     eval test "x\$${1#!}" $op "xno"
470 }
471
472 enabled_all(){
473     for opt; do
474         enabled $opt || return 1
475     done
476 }
477
478 disabled_all(){
479     for opt; do
480         disabled $opt || return 1
481     done
482 }
483
484 enabled_any(){
485     for opt; do
486         enabled $opt && return 0
487     done
488 }
489
490 disabled_any(){
491     for opt; do
492         disabled $opt && return 0
493     done
494     return 1
495 }
496
497 set_default(){
498     for opt; do
499         eval : \${$opt:=\$${opt}_default}
500     done
501 }
502
503 is_in(){
504     value=$1
505     shift
506     for var in $*; do
507         [ $var = $value ] && return 0
508     done
509     return 1
510 }
511
512 check_deps(){
513     for cfg; do
514         cfg="${cfg#!}"
515         enabled ${cfg}_checking && die "Circular dependency for $cfg."
516         disabled ${cfg}_checking && continue
517         enable ${cfg}_checking
518
519         eval dep_all="\$${cfg}_deps"
520         eval dep_any="\$${cfg}_deps_any"
521         eval dep_sel="\$${cfg}_select"
522         eval dep_sgs="\$${cfg}_suggest"
523         eval dep_ifa="\$${cfg}_if"
524         eval dep_ifn="\$${cfg}_if_any"
525
526         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
527         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
528         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
529
530         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
531         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
532         enabled_all  $dep_all || disable $cfg
533         enabled_any  $dep_any || disable $cfg
534         disabled_any $dep_sel && disable $cfg
535
536         if enabled $cfg; then
537             eval dep_extralibs="\$${cfg}_extralibs"
538             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
539             enable_deep $dep_sel
540             enable_deep_weak $dep_sgs
541         fi
542
543         disable ${cfg}_checking
544     done
545 }
546
547 print_config_h(){
548     enabled $1 && v=1 || v=0
549     echo "#define $2 $v"
550 }
551
552 print_config_mak(){
553     enabled $1 && v= || v=!
554     echo "$v$2=yes"
555 }
556
557 print_config_asm(){
558     enabled $1 && echo "%define $2"
559 }
560
561 print_config(){
562     pfx=$1
563     files=$2
564     shift 2
565     for cfg; do
566         ucname="$(toupper $cfg)"
567         for f in $files; do
568             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
569         done
570     done
571 }
572
573 print_enabled(){
574     test "$1" = -n && end=" " && shift || end="\n"
575     suf=$1
576     shift
577     for v; do
578         enabled $v && printf "%s$end" ${v%$suf};
579     done
580 }
581
582 append(){
583     var=$1
584     shift
585     eval "$var=\"\$$var $*\""
586 }
587
588 prepend(){
589     var=$1
590     shift
591     eval "$var=\"$* \$$var\""
592 }
593
594 add_cppflags(){
595     append CPPFLAGS $($filter_cppflags "$@")
596 }
597
598 add_cflags(){
599     append CFLAGS $($filter_cflags "$@")
600 }
601
602 add_cxxflags(){
603     append CXXFLAGS $($filter_cflags "$@")
604 }
605
606 add_asflags(){
607     append ASFLAGS $($filter_asflags "$@")
608 }
609
610 add_ldflags(){
611     append LDFLAGS "$@"
612 }
613
614 add_extralibs(){
615     prepend extralibs "$@"
616 }
617
618 check_cmd(){
619     log "$@"
620     "$@" >> $logfile 2>&1
621 }
622
623 check_cc(){
624     log check_cc "$@"
625     cat > $TMPC
626     log_file $TMPC
627     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
628 }
629
630 check_cxx(){
631     log check_cxx "$@"
632     cat > $TMPCPP
633     log_file $TMPCPP
634     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
635 }
636
637 check_cpp(){
638     log check_cpp "$@"
639     cat > $TMPC
640     log_file $TMPC
641     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
642 }
643
644 check_as(){
645     log check_as "$@"
646     cat > $TMPC
647     log_file $TMPC
648     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
649 }
650
651 check_asm(){
652     log check_asm "$@"
653     name="$1"
654     code="$2"
655     shift 2
656     disable $name
657     check_as "$@" <<EOF && enable $name
658 void foo(void){ __asm__ volatile($code); }
659 EOF
660 }
661
662 check_yasm(){
663     log check_yasm "$@"
664     echo "$1" > $TMPS
665     log_file $TMPS
666     shift 1
667     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
668 }
669
670 check_ld(){
671     log check_ld "$@"
672     type=$1
673     shift 1
674     flags=''
675     libs=''
676     for f; do
677         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
678     done
679     check_$type $($filter_cflags $flags) || return
680     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
681 }
682
683 check_cppflags(){
684     log check_cppflags "$@"
685     set -- $($filter_cppflags "$@")
686     check_cc "$@" <<EOF && append CPPFLAGS "$@"
687 int x;
688 EOF
689 }
690
691 check_cflags(){
692     log check_cflags "$@"
693     set -- $($filter_cflags "$@")
694     check_cc "$@" <<EOF && append CFLAGS "$@"
695 int x;
696 EOF
697 }
698
699 check_cxxflags(){
700     log check_cxxflags "$@"
701     set -- $($filter_cflags "$@")
702     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
703 int x;
704 EOF
705 }
706
707 test_ldflags(){
708     log test_ldflags "$@"
709     check_ld "cc" "$@" <<EOF
710 int main(void){ return 0; }
711 EOF
712 }
713
714 check_ldflags(){
715     log check_ldflags "$@"
716     test_ldflags "$@" && add_ldflags "$@"
717 }
718
719 check_header(){
720     log check_header "$@"
721     header=$1
722     shift
723     disable_safe $header
724     check_cpp "$@" <<EOF && enable_safe $header
725 #include <$header>
726 int x;
727 EOF
728 }
729
730 check_func(){
731     log check_func "$@"
732     func=$1
733     shift
734     disable $func
735     check_ld "cc" "$@" <<EOF && enable $func
736 extern int $func();
737 int main(void){ $func(); }
738 EOF
739 }
740
741 check_mathfunc(){
742     log check_mathfunc "$@"
743     func=$1
744     shift
745     disable $func
746     check_ld "cc" "$@" <<EOF && enable $func
747 #include <math.h>
748 float foo(float f) { return $func(f); }
749 int main(void){ return (int) foo; }
750 EOF
751 }
752
753 check_func_headers(){
754     log check_func_headers "$@"
755     headers=$1
756     funcs=$2
757     shift 2
758     {
759         for hdr in $headers; do
760             echo "#include <$hdr>"
761         done
762         for func in $funcs; do
763             echo "long check_$func(void) { return (long) $func; }"
764         done
765         echo "int main(void) { return 0; }"
766     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
767 }
768
769 check_class_headers_cpp(){
770     log check_class_headers_cpp "$@"
771     headers=$1
772     classes=$2
773     shift 2
774     {
775         for hdr in $headers; do
776             echo "#include <$hdr>"
777         done
778         echo "int main(void) { "
779         i=1
780         for class in $classes; do
781             echo "$class obj$i;"
782             i=$(expr $i + 1)
783         done
784         echo "return 0; }"
785     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
786 }
787
788 check_cpp_condition(){
789     log check_cpp_condition "$@"
790     header=$1
791     condition=$2
792     shift 2
793     check_cpp $($filter_cppflags "$@") <<EOF
794 #include <$header>
795 #if !($condition)
796 #error "unsatisfied condition: $condition"
797 #endif
798 EOF
799 }
800
801 check_lib(){
802     log check_lib "$@"
803     header="$1"
804     func="$2"
805     shift 2
806     check_header $header && check_func $func "$@" && add_extralibs "$@"
807 }
808
809 check_lib2(){
810     log check_lib2 "$@"
811     headers="$1"
812     funcs="$2"
813     shift 2
814     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
815 }
816
817 check_lib_cpp(){
818     log check_lib_cpp "$@"
819     headers="$1"
820     classes="$2"
821     shift 2
822     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
823 }
824
825 check_pkg_config(){
826     log check_pkg_config "$@"
827     pkg="$1"
828     headers="$2"
829     funcs="$3"
830     shift 3
831     $pkg_config --exists $pkg 2>/dev/null || return
832     pkg_cflags=$($pkg_config --cflags $pkg)
833     pkg_libs=$($pkg_config --libs $pkg)
834     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
835         set_safe ${pkg}_cflags $pkg_cflags   &&
836         set_safe ${pkg}_libs   $pkg_libs
837 }
838
839 check_exec(){
840     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
841 }
842
843 check_exec_crash(){
844     code=$(cat)
845
846     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
847     # are safe but may not be available everywhere.  Thus we use
848     # raise(SIGTERM) instead.  The check is run in a subshell so we
849     # can redirect the "Terminated" message from the shell.  SIGBUS
850     # is not defined by standard C so it is used conditionally.
851
852     (check_exec "$@") >> $logfile 2>&1 <<EOF
853 #include <signal.h>
854 static void sighandler(int sig){
855     raise(SIGTERM);
856 }
857 int func(void){
858     $code
859 }
860 int main(void){
861     signal(SIGILL, sighandler);
862     signal(SIGFPE, sighandler);
863     signal(SIGSEGV, sighandler);
864 #ifdef SIGBUS
865     signal(SIGBUS, sighandler);
866 #endif
867     return func();
868 }
869 EOF
870 }
871
872 check_type(){
873     log check_type "$@"
874     headers=$1
875     type=$2
876     shift 2
877     disable_safe "$type"
878     incs=""
879     for hdr in $headers; do
880         incs="$incs
881 #include <$hdr>"
882     done
883     check_cc "$@" <<EOF && enable_safe "$type"
884 $incs
885 $type v;
886 EOF
887 }
888
889 check_struct(){
890     log check_type "$@"
891     headers=$1
892     struct=$2
893     member=$3
894     shift 3
895     disable_safe "${struct}_${member}"
896     incs=""
897     for hdr in $headers; do
898         incs="$incs
899 #include <$hdr>"
900     done
901     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
902 $incs
903 const void *p = &(($struct *)0)->$member;
904 EOF
905 }
906
907 require(){
908     name="$1"
909     header="$2"
910     func="$3"
911     shift 3
912     check_lib $header $func "$@" || die "ERROR: $name not found"
913 }
914
915 require2(){
916     name="$1"
917     headers="$2"
918     func="$3"
919     shift 3
920     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
921 }
922
923 require_cpp(){
924     name="$1"
925     headers="$2"
926     classes="$3"
927     shift 3
928     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
929 }
930
931 require_pkg_config(){
932     pkg="$1"
933     check_pkg_config "$@" || die "ERROR: $pkg not found"
934     add_cflags    $(get_safe ${pkg}_cflags)
935     add_extralibs $(get_safe ${pkg}_libs)
936 }
937
938 check_host_cc(){
939     log check_host_cc "$@"
940     cat > $TMPC
941     log_file $TMPC
942     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
943 }
944
945 check_host_cflags(){
946     log check_host_cflags "$@"
947     check_host_cc "$@" <<EOF && append host_cflags "$@"
948 int x;
949 EOF
950 }
951
952 apply(){
953     file=$1
954     shift
955     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
956 }
957
958 cp_if_changed(){
959     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
960     mkdir -p "$(dirname $2)"
961     cp -f "$1" "$2"
962 }
963
964 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
965 # system-dependent things.
966
967 COMPONENT_LIST="
968     bsfs
969     decoders
970     demuxers
971     encoders
972     filters
973     hwaccels
974     indevs
975     muxers
976     outdevs
977     parsers
978     protocols
979 "
980
981 CONFIG_LIST="
982     $COMPONENT_LIST
983     aandct
984     ac3dsp
985     avcodec
986     avdevice
987     avfilter
988     avformat
989     avisynth
990     bzlib
991     crystalhd
992     dct
993     doc
994     dwt
995     dxva2
996     fastdiv
997     ffmpeg
998     avconv
999     ffplay
1000     ffprobe
1001     ffserver
1002     fft
1003     frei0r
1004     gnutls
1005     golomb
1006     gpl
1007     gray
1008     h264dsp
1009     h264pred
1010     hardcoded_tables
1011     huffman
1012     libaacplus
1013     libass
1014     libcdio
1015     libcelt
1016     libdc1394
1017     libdirac
1018     libfaac
1019     libfreetype
1020     libgsm
1021     libmodplug
1022     libmp3lame
1023     libnut
1024     libopencore_amrnb
1025     libopencore_amrwb
1026     libopencv
1027     libopenjpeg
1028     libpulse
1029     librtmp
1030     libschroedinger
1031     libspeex
1032     libstagefright_h264
1033     libtheora
1034     libutvideo
1035     libv4l2
1036     libvo_aacenc
1037     libvo_amrwbenc
1038     libvorbis
1039     libvpx
1040     libx264
1041     libxavs
1042     libxvid
1043     lpc
1044     lsp
1045     mdct
1046     memalign_hack
1047     mlib
1048     mpegaudiodsp
1049     network
1050     nonfree
1051     openal
1052     openssl
1053     pic
1054     postproc
1055     rdft
1056     rtpdec
1057     runtime_cpudetect
1058     shared
1059     sinewin
1060     small
1061     sram
1062     static
1063     swresample
1064     swscale
1065     swscale_alpha
1066     thumb
1067     vaapi
1068     vda
1069     vdpau
1070     version3
1071     x11grab
1072     zlib
1073 "
1074
1075 THREADS_LIST='
1076     pthreads
1077     w32threads
1078     os2threads
1079 '
1080
1081 ARCH_LIST='
1082     alpha
1083     arm
1084     avr32
1085     avr32_ap
1086     avr32_uc
1087     bfin
1088     ia64
1089     m68k
1090     mips
1091     mips64
1092     parisc
1093     ppc
1094     ppc64
1095     s390
1096     sh4
1097     sparc
1098     sparc64
1099     tomi
1100     x86
1101     x86_32
1102     x86_64
1103 '
1104
1105 ARCH_EXT_LIST='
1106     altivec
1107     amd3dnow
1108     amd3dnowext
1109     armv5te
1110     armv6
1111     armv6t2
1112     armvfp
1113     avx
1114     iwmmxt
1115     mmi
1116     mmx
1117     mmx2
1118     neon
1119     ppc4xx
1120     sse
1121     ssse3
1122     vfpv3
1123     vis
1124 '
1125
1126 HAVE_LIST_PUB='
1127     bigendian
1128     fast_unaligned
1129 '
1130
1131 HAVE_LIST="
1132     $ARCH_EXT_LIST
1133     $HAVE_LIST_PUB
1134     $THREADS_LIST
1135     aligned_stack
1136     alsa_asoundlib_h
1137     altivec_h
1138     arpa_inet_h
1139     asm_mod_y
1140     attribute_may_alias
1141     attribute_packed
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     coverage
1246     cross_compile
1247     debug
1248     extra_warnings
1249     logging
1250     optimizations
1251     stripping
1252     symver
1253     yasm
1254 "
1255
1256 PATHS_LIST='
1257     bindir
1258     datadir
1259     incdir
1260     libdir
1261     mandir
1262     prefix
1263     shlibdir
1264 '
1265
1266 CMDLINE_SET="
1267     $PATHS_LIST
1268     ar
1269     arch
1270     as
1271     build_suffix
1272     progs_suffix
1273     cc
1274     cpu
1275     cross_prefix
1276     cxx
1277     dep_cc
1278     extra_version
1279     host_cc
1280     host_cflags
1281     host_ldflags
1282     host_libs
1283     host_os
1284     install
1285     ld
1286     logfile
1287     malloc_prefix
1288     nm
1289     optflags
1290     pkg_config
1291     samples
1292     strip
1293     sysinclude
1294     sysroot
1295     target_exec
1296     target_os
1297     target_path
1298 "
1299
1300 CMDLINE_APPEND="
1301     extra_cflags
1302     extra_cxxflags
1303 "
1304
1305 # code dependency declarations
1306
1307 # architecture extensions
1308
1309 armv5te_deps="arm"
1310 armv6_deps="arm"
1311 armv6t2_deps="arm"
1312 armvfp_deps="arm"
1313 iwmmxt_deps="arm"
1314 neon_deps="arm"
1315 vfpv3_deps="armvfp"
1316
1317 mmi_deps="mips"
1318
1319 altivec_deps="ppc"
1320 ppc4xx_deps="ppc"
1321
1322 vis_deps="sparc"
1323
1324 x86_64_suggest="cmov fast_cmov"
1325 amd3dnow_deps="mmx"
1326 amd3dnowext_deps="amd3dnow"
1327 mmx_deps="x86"
1328 mmx2_deps="mmx"
1329 sse_deps="mmx"
1330 ssse3_deps="sse"
1331 avx_deps="ssse3"
1332
1333 aligned_stack_if_any="ppc x86"
1334 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1335 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1336 fast_unaligned_if_any="armv6 ppc x86"
1337
1338 need_memalign="altivec neon sse"
1339 inline_asm_deps="!tms470"
1340
1341 symver_if_any="symver_asm_label symver_gnu_asm"
1342
1343 # subsystems
1344 dct_select="rdft"
1345 mdct_select="fft"
1346 rdft_select="fft"
1347 mpegaudiodsp_select="dct"
1348
1349 # decoders / encoders / hardware accelerators
1350 aac_decoder_select="mdct sinewin"
1351 aac_encoder_select="mdct sinewin"
1352 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1353 ac3_decoder_select="mdct ac3dsp ac3_parser"
1354 ac3_encoder_select="mdct ac3dsp"
1355 ac3_fixed_encoder_select="mdct ac3dsp"
1356 alac_encoder_select="lpc"
1357 amrnb_decoder_select="lsp"
1358 amrwb_decoder_select="lsp"
1359 atrac1_decoder_select="mdct sinewin"
1360 atrac3_decoder_select="mdct"
1361 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1362 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1363 cavs_decoder_select="golomb"
1364 cook_decoder_select="mdct sinewin"
1365 cscd_decoder_suggest="zlib"
1366 dca_decoder_select="mdct"
1367 dnxhd_encoder_select="aandct"
1368 dxa_decoder_select="zlib"
1369 eac3_decoder_select="ac3_decoder"
1370 eac3_encoder_select="mdct ac3dsp"
1371 eamad_decoder_select="aandct"
1372 eatgq_decoder_select="aandct"
1373 eatqi_decoder_select="aandct"
1374 ffv1_decoder_select="golomb"
1375 flac_decoder_select="golomb"
1376 flac_encoder_select="golomb lpc"
1377 flashsv_decoder_select="zlib"
1378 flashsv_encoder_select="zlib"
1379 flashsv2_encoder_select="zlib"
1380 flashsv2_decoder_select="zlib"
1381 flv_decoder_select="h263_decoder"
1382 flv_encoder_select="h263_encoder"
1383 fraps_decoder_select="huffman"
1384 h261_encoder_select="aandct"
1385 h263_decoder_select="h263_parser"
1386 h263_encoder_select="aandct"
1387 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1388 h263i_decoder_select="h263_decoder"
1389 h263p_encoder_select="h263_encoder"
1390 h264_decoder_select="golomb h264dsp h264pred"
1391 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1392 h264_dxva2_hwaccel_deps="dxva2api_h"
1393 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1394 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1395 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1396 h264_vda_hwaccel_select="vda h264_decoder"
1397 h264_vdpau_decoder_select="vdpau h264_decoder"
1398 imc_decoder_select="fft mdct sinewin"
1399 jpegls_decoder_select="golomb"
1400 jpegls_encoder_select="golomb"
1401 ljpeg_encoder_select="aandct"
1402 loco_decoder_select="golomb"
1403 mjpeg_encoder_select="aandct"
1404 mlp_decoder_select="mlp_parser"
1405 mp1_decoder_select="mpegaudiodsp"
1406 mp2_decoder_select="mpegaudiodsp"
1407 mp3adu_decoder_select="mpegaudiodsp"
1408 mp3_decoder_select="mpegaudiodsp"
1409 mp3on4_decoder_select="mpegaudiodsp"
1410 mp1float_decoder_select="mpegaudiodsp"
1411 mp2float_decoder_select="mpegaudiodsp"
1412 mp3adufloat_decoder_select="mpegaudiodsp"
1413 mp3float_decoder_select="mpegaudiodsp"
1414 mp3on4float_decoder_select="mpegaudiodsp"
1415 mpeg1video_encoder_select="aandct"
1416 mpeg2video_encoder_select="aandct"
1417 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1418 mpeg4_encoder_select="h263_encoder"
1419 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1420 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1421 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1422 mpeg2_crystalhd_decoder_select="crystalhd"
1423 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1424 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1425 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1426 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1427 mpeg4_crystalhd_decoder_select="crystalhd"
1428 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1429 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1430 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1431 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1432 msmpeg4_crystalhd_decoder_select="crystalhd"
1433 msmpeg4v1_decoder_select="h263_decoder"
1434 msmpeg4v1_encoder_select="h263_encoder"
1435 msmpeg4v2_decoder_select="h263_decoder"
1436 msmpeg4v2_encoder_select="h263_encoder"
1437 msmpeg4v3_decoder_select="h263_decoder"
1438 msmpeg4v3_encoder_select="h263_encoder"
1439 nellymoser_decoder_select="mdct sinewin"
1440 nellymoser_encoder_select="mdct sinewin"
1441 png_decoder_select="zlib"
1442 png_encoder_select="zlib"
1443 qcelp_decoder_select="lsp"
1444 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1445 ra_144_encoder_select="lpc"
1446 rv10_decoder_select="h263_decoder"
1447 rv10_encoder_select="h263_encoder"
1448 rv20_decoder_select="h263_decoder"
1449 rv20_encoder_select="h263_encoder"
1450 rv30_decoder_select="golomb h264pred"
1451 rv40_decoder_select="golomb h264pred"
1452 shorten_decoder_select="golomb"
1453 sipr_decoder_select="lsp"
1454 snow_decoder_select="dwt"
1455 snow_encoder_select="aandct dwt"
1456 sonic_decoder_select="golomb"
1457 sonic_encoder_select="golomb"
1458 sonic_ls_encoder_select="golomb"
1459 svq1_encoder_select="aandct"
1460 svq3_decoder_select="golomb h264dsp h264pred"
1461 svq3_decoder_suggest="zlib"
1462 theora_decoder_select="vp3_decoder"
1463 tiff_decoder_suggest="zlib"
1464 tiff_encoder_suggest="zlib"
1465 truehd_decoder_select="mlp_decoder"
1466 tscc_decoder_select="zlib"
1467 twinvq_decoder_select="mdct lsp sinewin"
1468 vc1_decoder_select="h263_decoder"
1469 vc1_crystalhd_decoder_select="crystalhd"
1470 vc1_dxva2_hwaccel_deps="dxva2api_h"
1471 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1472 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1473 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1474 vc1image_decoder_select="vc1_decoder"
1475 vorbis_decoder_select="mdct"
1476 vorbis_encoder_select="mdct"
1477 vp6_decoder_select="huffman"
1478 vp6a_decoder_select="vp6_decoder"
1479 vp6f_decoder_select="vp6_decoder"
1480 vp8_decoder_select="h264pred"
1481 wmapro_decoder_select="mdct sinewin"
1482 wmav1_decoder_select="mdct sinewin"
1483 wmav1_encoder_select="mdct sinewin"
1484 wmav2_decoder_select="mdct sinewin"
1485 wmav2_encoder_select="mdct sinewin"
1486 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1487 wmv1_decoder_select="h263_decoder"
1488 wmv1_encoder_select="h263_encoder"
1489 wmv2_decoder_select="h263_decoder"
1490 wmv2_encoder_select="h263_encoder"
1491 wmv3_decoder_select="vc1_decoder"
1492 wmv3_crystalhd_decoder_select="crystalhd"
1493 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1494 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1495 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1496 wmv3image_decoder_select="wmv3_decoder"
1497 zlib_decoder_select="zlib"
1498 zlib_encoder_select="zlib"
1499 zmbv_decoder_select="zlib"
1500 zmbv_encoder_select="zlib"
1501
1502 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1503 vaapi_deps="va_va_h"
1504 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1505 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1506
1507 # parsers
1508 h264_parser_select="golomb h264dsp h264pred"
1509
1510 # external libraries
1511 libaacplus_encoder_deps="libaacplus"
1512 libcelt_decoder_deps="libcelt"
1513 libdirac_decoder_deps="libdirac !libschroedinger"
1514 libdirac_encoder_deps="libdirac"
1515 libfaac_encoder_deps="libfaac"
1516 libgsm_decoder_deps="libgsm"
1517 libgsm_encoder_deps="libgsm"
1518 libgsm_ms_decoder_deps="libgsm"
1519 libgsm_ms_encoder_deps="libgsm"
1520 libmodplug_demuxer_deps="libmodplug"
1521 libmp3lame_encoder_deps="libmp3lame"
1522 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1523 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1524 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1525 libopenjpeg_decoder_deps="libopenjpeg"
1526 libopenjpeg_encoder_deps="libopenjpeg"
1527 libschroedinger_decoder_deps="libschroedinger"
1528 libschroedinger_encoder_deps="libschroedinger"
1529 libspeex_decoder_deps="libspeex"
1530 libspeex_encoder_deps="libspeex"
1531 libstagefright_h264_decoder_deps="libstagefright_h264"
1532 libtheora_encoder_deps="libtheora"
1533 libvo_aacenc_encoder_deps="libvo_aacenc"
1534 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1535 libvorbis_encoder_deps="libvorbis"
1536 libvpx_decoder_deps="libvpx"
1537 libvpx_encoder_deps="libvpx"
1538 libx264_encoder_deps="libx264"
1539 libx264rgb_encoder_deps="libx264"
1540 libxavs_encoder_deps="libxavs"
1541 libxvid_encoder_deps="libxvid"
1542 libutvideo_decoder_deps="libutvideo gpl"
1543
1544 # demuxers / muxers
1545 ac3_demuxer_select="ac3_parser"
1546 asf_stream_muxer_select="asf_muxer"
1547 avisynth_demuxer_deps="avisynth"
1548 dirac_demuxer_select="dirac_parser"
1549 eac3_demuxer_select="ac3_parser"
1550 flac_demuxer_select="flac_parser"
1551 ipod_muxer_select="mov_muxer"
1552 libnut_demuxer_deps="libnut"
1553 libnut_muxer_deps="libnut"
1554 matroska_audio_muxer_select="matroska_muxer"
1555 matroska_demuxer_suggest="zlib bzlib"
1556 mov_demuxer_suggest="zlib"
1557 mp3_demuxer_select="mpegaudio_parser"
1558 mp4_muxer_select="mov_muxer"
1559 mpegtsraw_demuxer_select="mpegts_demuxer"
1560 mxf_d10_muxer_select="mxf_muxer"
1561 ogg_demuxer_select="golomb"
1562 psp_muxer_select="mov_muxer"
1563 rtp_demuxer_select="sdp_demuxer"
1564 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1565 rtsp_demuxer_select="http_protocol rtpdec"
1566 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1567 sap_demuxer_select="sdp_demuxer"
1568 sap_muxer_select="rtp_muxer rtp_protocol"
1569 sdp_demuxer_select="rtpdec"
1570 spdif_muxer_select="aac_parser"
1571 tg2_muxer_select="mov_muxer"
1572 tgp_muxer_select="mov_muxer"
1573 w64_demuxer_deps="wav_demuxer"
1574
1575 # indevs / outdevs
1576 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1577 alsa_outdev_deps="alsa_asoundlib_h"
1578 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1579 dshow_indev_deps="IBaseFilter"
1580 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1581 dv1394_indev_deps="dv1394 dv_demuxer"
1582 fbdev_indev_deps="linux_fb_h"
1583 jack_indev_deps="jack_jack_h sem_timedwait"
1584 lavfi_indev_deps="avfilter"
1585 libcdio_indev_deps="libcdio"
1586 libdc1394_indev_deps="libdc1394"
1587 libv4l2_indev_deps="libv4l2"
1588 openal_indev_deps="openal"
1589 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1590 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1591 pulse_indev_deps="libpulse"
1592 sdl_outdev_deps="sdl"
1593 sndio_indev_deps="sndio_h"
1594 sndio_outdev_deps="sndio_h"
1595 v4l_indev_deps="linux_videodev_h"
1596 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1597 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1598 vfwcap_indev_extralibs="-lavicap32"
1599 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1600 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1601
1602 # protocols
1603 gopher_protocol_deps="network"
1604 httpproxy_protocol_deps="network"
1605 httpproxy_protocol_select="tcp_protocol"
1606 http_protocol_deps="network"
1607 http_protocol_select="tcp_protocol"
1608 https_protocol_select="tls_protocol"
1609 mmsh_protocol_select="http_protocol"
1610 mmst_protocol_deps="network"
1611 rtmp_protocol_select="tcp_protocol"
1612 rtp_protocol_select="udp_protocol"
1613 tcp_protocol_deps="network"
1614 tls_protocol_deps_any="openssl gnutls"
1615 tls_protocol_select="tcp_protocol"
1616 udp_protocol_deps="network"
1617
1618 # filters
1619 amovie_filter_deps="avcodec avformat"
1620 ass_filter_deps="libass"
1621 blackframe_filter_deps="gpl"
1622 boxblur_filter_deps="gpl"
1623 cropdetect_filter_deps="gpl"
1624 delogo_filter_deps="gpl"
1625 drawtext_filter_deps="libfreetype"
1626 frei0r_filter_deps="frei0r dlopen"
1627 frei0r_src_filter_deps="frei0r dlopen"
1628 hqdn3d_filter_deps="gpl"
1629 movie_filter_deps="avcodec avformat"
1630 mp_filter_deps="gpl avcodec"
1631 mptestsrc_filter_deps="gpl"
1632 negate_filter_deps="lut_filter"
1633 ocv_filter_deps="libopencv"
1634 scale_filter_deps="swscale"
1635 yadif_filter_deps="gpl"
1636
1637 # libraries
1638 avdevice_deps="avcodec avformat"
1639 avformat_deps="avcodec"
1640 postproc_deps="gpl"
1641
1642 # programs
1643 ffmpeg_deps="avcodec avformat swscale swresample"
1644 ffmpeg_select="buffer_filter buffersink_filter"
1645 avconv_deps="avcodec avformat swscale"
1646 avconv_select="buffer_filter"
1647 ffplay_deps="avcodec avformat swscale sdl"
1648 ffplay_select="buffersink_filter rdft"
1649 ffprobe_deps="avcodec avformat"
1650 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1651 ffserver_extralibs='$ldl'
1652
1653 doc_deps="texi2html"
1654
1655 # tests
1656
1657 test_deps(){
1658     suf1=$1
1659     suf2=$2
1660     shift 2
1661     for v; do
1662         dep=${v%=*}
1663         tests=${v#*=}
1664         for name in ${tests}; do
1665             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1666         done
1667     done
1668 }
1669
1670 mxf_d10_test_deps="avfilter"
1671 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1672
1673 test_deps _encoder _decoder                                             \
1674     adpcm_g726=g726                                                     \
1675     adpcm_ima_qt                                                        \
1676     adpcm_ima_wav                                                       \
1677     adpcm_ms                                                            \
1678     adpcm_swf                                                           \
1679     adpcm_yamaha=adpcm_yam                                              \
1680     alac                                                                \
1681     asv1                                                                \
1682     asv2                                                                \
1683     bmp                                                                 \
1684     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1685     dvvideo="dv dv_411 dv50"                                            \
1686     ffv1                                                                \
1687     flac                                                                \
1688     flashsv                                                             \
1689     flv                                                                 \
1690     gif                                                                 \
1691     h261                                                                \
1692     h263="h263 h263p"                                                   \
1693     huffyuv                                                             \
1694     jpegls                                                              \
1695     mjpeg="jpg mjpeg ljpeg"                                             \
1696     mp2                                                                 \
1697     mpeg1video="mpeg mpeg1b"                                            \
1698     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1699     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1700     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1701     mpeg4="mpeg4thread error rc"                                        \
1702     msmpeg4v3=msmpeg4                                                   \
1703     msmpeg4v2                                                           \
1704     pbm=pbmpipe                                                         \
1705     pcx                                                                 \
1706     pgm="pgm pgmpipe"                                                   \
1707     png                                                                 \
1708     ppm="ppm ppmpipe"                                                   \
1709     rawvideo="rgb yuv"                                                  \
1710     roq                                                                 \
1711     rv10                                                                \
1712     rv20                                                                \
1713     sgi                                                                 \
1714     snow="snow snowll"                                                  \
1715     svq1                                                                \
1716     targa=tga                                                           \
1717     tiff                                                                \
1718     wmav1                                                               \
1719     wmav2                                                               \
1720     wmv1                                                                \
1721     wmv2                                                                \
1722
1723 test_deps _muxer _demuxer                                               \
1724     aiff                                                                \
1725     pcm_alaw=alaw                                                       \
1726     asf                                                                 \
1727     au                                                                  \
1728     avi                                                                 \
1729     dv=dv_fmt                                                           \
1730     ffm                                                                 \
1731     flv=flv_fmt                                                         \
1732     gxf                                                                 \
1733     matroska=mkv                                                        \
1734     mmf                                                                 \
1735     mov                                                                 \
1736     pcm_mulaw=mulaw                                                     \
1737     mxf="mxf mxf_d10"                                                   \
1738     nut                                                                 \
1739     ogg                                                                 \
1740     rawvideo=pixfmt                                                     \
1741     rm                                                                  \
1742     swf                                                                 \
1743     mpegts=ts                                                           \
1744     voc                                                                 \
1745     wav                                                                 \
1746     yuv4mpegpipe=yuv4mpeg                                               \
1747
1748 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1749 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1750
1751 # default parameters
1752
1753 logfile="config.log"
1754
1755 # installation paths
1756 prefix_default="/usr/local"
1757 bindir_default='${prefix}/bin'
1758 datadir_default='${prefix}/share/ffmpeg'
1759 incdir_default='${prefix}/include'
1760 libdir_default='${prefix}/lib'
1761 mandir_default='${prefix}/share/man'
1762 shlibdir_default="$libdir_default"
1763
1764 # toolchain
1765 ar_default="ar"
1766 cc_default="gcc"
1767 cxx_default="g++"
1768 cc_version=\"unknown\"
1769 host_cc_default="gcc"
1770 install="install"
1771 ln_s="ln -sf"
1772 nm_default="nm"
1773 objformat="elf"
1774 pkg_config_default=pkg-config
1775 ranlib="ranlib"
1776 strip_default="strip"
1777 yasmexe="yasm"
1778 nogas=":"
1779
1780 nm_opts='-g'
1781
1782 # machine
1783 arch_default=$(uname -m)
1784 cpu="generic"
1785
1786 # OS
1787 target_os_default=$(tolower $(uname -s))
1788 host_os=$target_os_default
1789
1790 # configurable options
1791 enable avcodec
1792 enable avdevice
1793 enable avfilter
1794 enable avformat
1795 enable avutil
1796 enable asm
1797 enable debug
1798 enable doc
1799 enable fastdiv
1800 enable ffmpeg
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     if ! disabled_any asm mmx yasm; then
2887         if check_cmd $yasmexe --version; then
2888             enabled x86_64 && yasm_extra="-m amd64"
2889             yasm_debug="-g dwarf2"
2890         elif check_cmd nasm -v; then
2891             yasmexe=nasm
2892             yasm_debug="-g -F dwarf"
2893             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2894         fi
2895
2896         YASMFLAGS="-f $objformat $yasm_extra"
2897         enabled pic               && append YASMFLAGS "-DPIC"
2898         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2899         case "$objformat" in
2900             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2901         esac
2902
2903         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2904             die "yasm not found, use --disable-yasm for a crippled build"
2905         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2906     fi
2907
2908     case "$cpu" in
2909         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2910             disable fast_clz
2911         ;;
2912     esac
2913
2914 fi
2915
2916 if enabled asm; then
2917     as=${gas:=$as}
2918     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2919         $nogas "GNU assembler not found, install gas-preprocessor"
2920 fi
2921
2922 check_ldflags -Wl,--as-needed
2923
2924 if check_func dlopen; then
2925     ldl=
2926 elif check_func dlopen -ldl; then
2927     ldl=-ldl
2928 fi
2929
2930 if enabled network; then
2931     check_type "sys/types.h sys/socket.h" socklen_t
2932     check_type netdb.h "struct addrinfo"
2933     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2934     check_type netinet/in.h "struct sockaddr_in6"
2935     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2936     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2937     # Prefer arpa/inet.h over winsock2
2938     if check_header arpa/inet.h ; then
2939         check_func closesocket
2940     elif check_header winsock2.h ; then
2941         check_func_headers winsock2.h closesocket -lws2 && \
2942             network_extralibs="-lws2" || \
2943         { check_func_headers winsock2.h closesocket -lws2_32 && \
2944             network_extralibs="-lws2_32"; }
2945         check_type ws2tcpip.h socklen_t
2946         check_type ws2tcpip.h "struct addrinfo"
2947         check_type ws2tcpip.h "struct ipv6_mreq"
2948         check_type ws2tcpip.h "struct sockaddr_in6"
2949         check_type ws2tcpip.h "struct sockaddr_storage"
2950         check_struct winsock2.h "struct sockaddr" sa_len
2951     else
2952         disable network
2953     fi
2954 fi
2955
2956 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2957 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2958
2959 check_func  fcntl
2960 check_func  fork
2961 check_func  getaddrinfo $network_extralibs
2962 check_func  gethrtime
2963 check_func  getrusage
2964 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2965 check_func  inet_aton $network_extralibs
2966 check_func  isatty
2967 check_func  localtime_r
2968 check_func  ${malloc_prefix}memalign            && enable memalign
2969 check_func  mkstemp
2970 check_func  mmap
2971 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2972 check_func  setrlimit
2973 check_func  strerror_r
2974 check_func  strptime
2975 check_func_headers conio.h kbhit
2976 check_func_headers windows.h PeekNamedPipe
2977 check_func_headers io.h setmode
2978 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2979 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2980 check_func_headers windows.h GetProcessTimes
2981 check_func_headers windows.h MapViewOfFile
2982 check_func_headers windows.h VirtualAlloc
2983
2984 check_header dlfcn.h
2985 check_header dxva2api.h -D_WIN32_WINNT=0x0600
2986 check_header libcrystalhd/libcrystalhd_if.h
2987 check_header malloc.h
2988 check_header poll.h
2989 check_header sys/mman.h
2990 check_header sys/resource.h
2991 check_header sys/select.h
2992 check_header termios.h
2993 check_header vdpau/vdpau.h
2994 check_header vdpau/vdpau_x11.h
2995 check_header X11/extensions/XvMClib.h
2996
2997 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
2998 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
2999
3000 # check for VDA header
3001 if ! disabled vda; then
3002     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3003         enable vda
3004         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3005     fi
3006 fi
3007
3008 if ! disabled w32threads && ! enabled pthreads; then
3009     check_func _beginthreadex && enable w32threads
3010 fi
3011
3012 # check for some common methods of building with pthread support
3013 # do this before the optional library checks as some of them require pthreads
3014 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3015     enable pthreads
3016     if check_func pthread_create; then
3017         :
3018     elif check_func pthread_create -pthread; then
3019         add_cflags -pthread
3020         add_extralibs -pthread
3021     elif check_func pthread_create -pthreads; then
3022         add_cflags -pthreads
3023         add_extralibs -pthreads
3024     elif check_func pthread_create -lpthreadGC2; then
3025         add_extralibs -lpthreadGC2
3026     elif ! check_lib pthread.h pthread_create -lpthread; then
3027         disable pthreads
3028     fi
3029 fi
3030
3031 for thread in $THREADS_LIST; do
3032     if enabled $thread; then
3033         test -n "$thread_type" &&
3034             die "ERROR: Only one thread type must be selected." ||
3035             thread_type="$thread"
3036     fi
3037 done
3038
3039 check_lib math.h sin -lm && LIBM="-lm"
3040 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3041 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3042
3043 check_mathfunc cbrtf
3044 check_mathfunc exp2
3045 check_mathfunc exp2f
3046 check_mathfunc llrint
3047 check_mathfunc llrintf
3048 check_mathfunc log2
3049 check_mathfunc log2f
3050 check_mathfunc lrint
3051 check_mathfunc lrintf
3052 check_mathfunc round
3053 check_mathfunc roundf
3054 check_mathfunc trunc
3055 check_mathfunc truncf
3056
3057 # these are off by default, so fail if requested and not available
3058 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3059 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3060 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3061 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3062 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3063 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0
3064 enabled libdc1394  && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
3065 enabled libdirac   && require_pkg_config dirac                          \
3066     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
3067     "dirac_decoder_init dirac_encoder_init"
3068 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3069 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3070 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3071 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3072 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3073 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3074 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3075 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3076 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3077 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3078 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3079 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3080 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3081 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3082 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3083     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3084     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3085 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3086 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3087 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3088 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3089 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3090 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3091 enabled libvpx     && {
3092     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3093                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3094     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3095                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3096 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3097                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3098                         die "ERROR: libx264 version must be >= 0.118."; }
3099 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3100 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3101 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3102                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3103                         die "ERROR: openal not found"; } &&
3104                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3105                         die "ERROR: openal version must be 1.1 or compatible"; }
3106 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
3107 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3108                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3109                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3110                         die "ERROR: openssl not found"; }
3111
3112 SDL_CONFIG="${cross_prefix}sdl-config"
3113 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3114     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3115     enable sdl &&
3116     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3117 else
3118   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3119     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3120     sdl_libs=$("${SDL_CONFIG}" --libs)
3121     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3122     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3123     enable sdl &&
3124     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3125   fi
3126 fi
3127 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3128
3129 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3130
3131 check_header linux/fb.h
3132 check_header linux/videodev.h
3133 check_header linux/videodev2.h
3134 check_header sys/videoio.h
3135
3136 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3137 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3138 # w32api 3.12 had it defined wrong
3139 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3140
3141 check_type "dshow.h" IBaseFilter
3142
3143 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3144 { check_header dev/bktr/ioctl_meteor.h &&
3145   check_header dev/bktr/ioctl_bt848.h; } ||
3146 { check_header machine/ioctl_meteor.h &&
3147   check_header machine/ioctl_bt848.h; } ||
3148 { check_header dev/video/meteor/ioctl_meteor.h &&
3149   check_header dev/video/bktr/ioctl_bt848.h; } ||
3150 check_header dev/ic/bt8xx.h
3151
3152 check_header sndio.h
3153 if check_struct sys/soundcard.h audio_buf_info bytes; then
3154     enable_safe sys/soundcard.h
3155 else
3156     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3157     #include <sys/soundcard.h>
3158     audio_buf_info abc;
3159 EOF
3160 fi
3161 check_header soundcard.h
3162
3163 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3164
3165 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3166
3167 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3168
3169 enabled libcdio &&
3170     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3171
3172 enabled x11grab                         &&
3173 check_header X11/Xlib.h                 &&
3174 check_header X11/extensions/XShm.h      &&
3175 check_header X11/extensions/Xfixes.h    &&
3176 check_func XOpenDisplay -lX11           &&
3177 check_func XShmCreateImage -lX11 -lXext &&
3178 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3179
3180 if ! disabled vaapi; then
3181     check_lib va/va.h vaInitialize -lva && {
3182         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3183         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3184     } || disable vaapi
3185 fi
3186
3187 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3188 check_cpp_condition \
3189     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3190     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3191       disable vdpau; }
3192 fi
3193
3194 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3195 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3196
3197 # add some useful compiler flags if supported
3198 check_cflags -Wdeclaration-after-statement
3199 check_cflags -Wall
3200 check_cflags -Wno-parentheses
3201 check_cflags -Wno-switch
3202 check_cflags -Wno-format-zero-length
3203 check_cflags -Wdisabled-optimization
3204 check_cflags -Wpointer-arith
3205 check_cflags -Wredundant-decls
3206 check_cflags -Wno-pointer-sign
3207 check_cflags -Wcast-qual
3208 check_cflags -Wwrite-strings
3209 check_cflags -Wtype-limits
3210 check_cflags -Wundef
3211 check_cflags -Wmissing-prototypes
3212 check_cflags -Wno-pointer-to-int-cast
3213 check_cflags -Wstrict-prototypes
3214 enabled extra_warnings && check_cflags -Winline
3215
3216 # add some linker flags
3217 check_ldflags -Wl,--warn-common
3218 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3219 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3220
3221 echo "X{};" > $TMPV
3222 if test_ldflags -Wl,--version-script,$TMPV; then
3223     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3224     check_cc <<EOF && enable symver_asm_label
3225 void ff_foo(void) __asm__ ("av_foo@VERSION");
3226 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3227 EOF
3228     check_cc <<EOF && enable symver_gnu_asm
3229 __asm__(".symver ff_foo,av_foo@VERSION");
3230 void ff_foo(void) {}
3231 EOF
3232 fi
3233
3234 if [ -n "$optflags" ]; then
3235     add_cflags $optflags
3236 elif enabled small; then
3237     add_cflags $size_cflags
3238 elif enabled optimizations; then
3239     add_cflags $speed_cflags
3240 else
3241     add_cflags $noopt_cflags
3242 fi
3243 check_cflags -fno-math-errno
3244 check_cflags -fno-signed-zeros
3245 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3246 int x;
3247 EOF
3248
3249
3250 if enabled icc; then
3251     # Just warnings, no remarks
3252     check_cflags -w1
3253     # -wd: Disable following warnings
3254     # 144, 167, 556: -Wno-pointer-sign
3255     # 1292: attribute "foo" ignored
3256     # 10006: ignoring unknown option -fno-signed-zeros
3257     # 10148: ignoring unknown option -Wno-parentheses
3258     # 10156: ignoring option '-W'; no argument required
3259     check_cflags -wd144,167,556,1292,10006,10148,10156
3260     # 11030: Warning unknown option --as-needed
3261     # 10156: ignoring option '-export'; no argument required
3262     check_ldflags -wd10156,11030
3263     # Allow to compile with optimizations
3264     check_ldflags -march=$cpu
3265     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3266     enable ebp_available
3267     if enabled x86_32; then
3268         test ${icc_version%%.*} -ge 11 && \
3269             check_cflags -falign-stack=maintain-16-byte || \
3270             disable aligned_stack
3271     fi
3272 elif enabled ccc; then
3273     # disable some annoying warnings
3274     add_cflags -msg_disable cvtu32to64
3275     add_cflags -msg_disable embedcomment
3276     add_cflags -msg_disable needconstext
3277     add_cflags -msg_disable nomainieee
3278     add_cflags -msg_disable ptrmismatch1
3279     add_cflags -msg_disable unreachcode
3280 elif enabled gcc; then
3281     check_cflags -fno-tree-vectorize
3282     check_cflags -Werror=implicit-function-declaration
3283     check_cflags -Werror=missing-prototypes
3284 elif enabled llvm_gcc; then
3285     check_cflags -mllvm -stack-alignment=16
3286 elif enabled clang; then
3287     check_cflags -mllvm -stack-alignment=16
3288     check_cflags -Qunused-arguments
3289 elif enabled armcc; then
3290     # 2523: use of inline assembler is deprecated
3291     add_cflags -W${armcc_opt},--diag_suppress=2523
3292     add_cflags -W${armcc_opt},--diag_suppress=1207
3293     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3294     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3295     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3296     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3297 elif enabled tms470; then
3298     add_cflags -pds=824 -pds=837
3299 elif enabled pathscale; then
3300     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3301 fi
3302
3303 enabled_any $THREADS_LIST      && enable threads
3304
3305 check_deps $CONFIG_LIST       \
3306            $CONFIG_EXTRA      \
3307            $HAVE_LIST         \
3308            $DECODER_LIST      \
3309            $ENCODER_LIST      \
3310            $HWACCEL_LIST      \
3311            $PARSER_LIST       \
3312            $BSF_LIST          \
3313            $DEMUXER_LIST      \
3314            $MUXER_LIST        \
3315            $FILTER_LIST       \
3316            $INDEV_LIST        \
3317            $OUTDEV_LIST       \
3318            $PROTOCOL_LIST     \
3319            $ACODEC_TESTS      \
3320            $VCODEC_TESTS      \
3321            $LAVF_TESTS        \
3322            $LAVFI_TESTS       \
3323            $SEEK_TESTS        \
3324
3325 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3326
3327 if test $target_os = "haiku"; then
3328     disable memalign
3329     disable posix_memalign
3330 fi
3331
3332 ! enabled_any memalign posix_memalign malloc_aligned &&
3333     enabled_any $need_memalign && enable memalign_hack
3334
3335 echo "install prefix            $prefix"
3336 echo "source path               $source_path"
3337 echo "C compiler                $cc"
3338 echo "ARCH                      $arch ($cpu)"
3339 if test "$build_suffix" != ""; then
3340     echo "build suffix              $build_suffix"
3341 fi
3342 if test "$progs_suffix" != ""; then
3343     echo "progs suffix              $progs_suffix"
3344 fi
3345 if test "$extra_version" != ""; then
3346     echo "version string suffix     $extra_version"
3347 fi
3348 echo "big-endian                ${bigendian-no}"
3349 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3350 if enabled x86; then
3351     echo "${yasmexe}                      ${yasm-no}"
3352     echo "MMX enabled               ${mmx-no}"
3353     echo "MMX2 enabled              ${mmx2-no}"
3354     echo "3DNow! enabled            ${amd3dnow-no}"
3355     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3356     echo "SSE enabled               ${sse-no}"
3357     echo "SSSE3 enabled             ${ssse3-no}"
3358     echo "AVX enabled               ${avx-no}"
3359     echo "CMOV enabled              ${cmov-no}"
3360     echo "CMOV is fast              ${fast_cmov-no}"
3361     echo "EBX available             ${ebx_available-no}"
3362     echo "EBP available             ${ebp_available-no}"
3363 fi
3364 if enabled arm; then
3365     echo "ARMv5TE enabled           ${armv5te-no}"
3366     echo "ARMv6 enabled             ${armv6-no}"
3367     echo "ARMv6T2 enabled           ${armv6t2-no}"
3368     echo "ARM VFP enabled           ${armvfp-no}"
3369     echo "IWMMXT enabled            ${iwmmxt-no}"
3370     echo "NEON enabled              ${neon-no}"
3371 fi
3372 if enabled mips; then
3373     echo "MMI enabled               ${mmi-no}"
3374 fi
3375 if enabled ppc; then
3376     echo "AltiVec enabled           ${altivec-no}"
3377     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3378     echo "dcbzl available           ${dcbzl-no}"
3379 fi
3380 if enabled sparc; then
3381     echo "VIS enabled               ${vis-no}"
3382 fi
3383 echo "debug symbols             ${debug-no}"
3384 echo "strip symbols             ${stripping-no}"
3385 echo "optimize for size         ${small-no}"
3386 echo "optimizations             ${optimizations-no}"
3387 echo "static                    ${static-no}"
3388 echo "shared                    ${shared-no}"
3389 echo "postprocessing support    ${postproc-no}"
3390 echo "new filter support        ${avfilter-no}"
3391 echo "network support           ${network-no}"
3392 echo "threading support         ${thread_type-no}"
3393 echo "SDL support               ${sdl-no}"
3394 echo "Sun medialib support      ${mlib-no}"
3395 echo "libdxva2 enabled          ${dxva2-no}"
3396 echo "libva enabled             ${vaapi-no}"
3397 echo "libvdpau enabled          ${vdpau-no}"
3398 echo "AVISynth enabled          ${avisynth-no}"
3399 echo "frei0r enabled            ${frei0r-no}"
3400 echo "gnutls enabled            ${gnutls-no}"
3401 echo "libaacplus enabled        ${libaacplus-no}"
3402 echo "libass enabled            ${libass-no}"
3403 echo "libcdio support           ${libcdio-no}"
3404 echo "libcelt enabled           ${libcelt-no}"
3405 echo "libdc1394 support         ${libdc1394-no}"
3406 echo "libdirac enabled          ${libdirac-no}"
3407 echo "libfaac enabled           ${libfaac-no}"
3408 echo "libgsm enabled            ${libgsm-no}"
3409 echo "libmodplug enabled        ${libmodplug-no}"
3410 echo "libmp3lame enabled        ${libmp3lame-no}"
3411 echo "libnut enabled            ${libnut-no}"
3412 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3413 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3414 echo "libopencv support         ${libopencv-no}"
3415 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3416 echo "libpulse enabled          ${libpulse-no}"
3417 echo "librtmp enabled           ${librtmp-no}"
3418 echo "libschroedinger enabled   ${libschroedinger-no}"
3419 echo "libspeex enabled          ${libspeex-no}"
3420 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3421 echo "libtheora enabled         ${libtheora-no}"
3422 echo "libutvideo enabled        ${libutvideo-no}"
3423 echo "libv4l2 enabled           ${libv4l2-no}"
3424 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3425 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3426 echo "libvorbis enabled         ${libvorbis-no}"
3427 echo "libvpx enabled            ${libvpx-no}"
3428 echo "libx264 enabled           ${libx264-no}"
3429 echo "libxavs enabled           ${libxavs-no}"
3430 echo "libxvid enabled           ${libxvid-no}"
3431 echo "openal enabled            ${openal-no}"
3432 echo "openssl enabled           ${openssl-no}"
3433 echo "zlib enabled              ${zlib-no}"
3434 echo "bzlib enabled             ${bzlib-no}"
3435 echo
3436
3437 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3438     echo "Enabled ${type}s:"
3439     eval list=\$$(toupper $type)_LIST
3440     print_enabled '_*' $list | sort | pr -r -3 -t
3441     echo
3442 done
3443
3444 license="LGPL version 2.1 or later"
3445 if enabled nonfree; then
3446     license="nonfree and unredistributable"
3447 elif enabled gplv3; then
3448     license="GPL version 3 or later"
3449 elif enabled lgplv3; then
3450     license="LGPL version 3 or later"
3451 elif enabled gpl; then
3452     license="GPL version 2 or later"
3453 fi
3454
3455 echo "License: $license"
3456
3457 echo "Creating config.mak and config.h..."
3458
3459 test -e Makefile || $ln_s "$source_path/Makefile" .
3460
3461 enabled stripping || strip="echo skipping strip"
3462
3463 config_files="$TMPH config.mak"
3464
3465 cat > config.mak <<EOF
3466 # Automatically generated by configure - do not modify!
3467 ifndef FFMPEG_CONFIG_MAK
3468 FFMPEG_CONFIG_MAK=1
3469 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3470 prefix=$prefix
3471 LIBDIR=\$(DESTDIR)$libdir
3472 SHLIBDIR=\$(DESTDIR)$shlibdir
3473 INCDIR=\$(DESTDIR)$incdir
3474 BINDIR=\$(DESTDIR)$bindir
3475 DATADIR=\$(DESTDIR)$datadir
3476 MANDIR=\$(DESTDIR)$mandir
3477 SRC_PATH=$source_path
3478 ifndef MAIN_MAKEFILE
3479 SRC_PATH:=\$(SRC_PATH:.%=..%)
3480 endif
3481 CC_IDENT=$cc_ident
3482 ARCH=$arch
3483 CC=$cc
3484 CXX=$cxx
3485 AS=$as
3486 LD=$ld
3487 DEPCC=$dep_cc
3488 YASM=$yasmexe
3489 YASMDEP=$yasmexe
3490 AR=$ar
3491 RANLIB=$ranlib
3492 CP=cp -p
3493 LN_S=$ln_s
3494 STRIP=$strip
3495 CPPFLAGS=$CPPFLAGS
3496 CFLAGS=$CFLAGS
3497 CXXFLAGS=$CXXFLAGS
3498 ASFLAGS=$ASFLAGS
3499 AS_O=$CC_O
3500 CC_O=$CC_O
3501 CXX_O=$CXX_O
3502 LDFLAGS=$LDFLAGS
3503 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3504 SHFLAGS=$SHFLAGS
3505 YASMFLAGS=$YASMFLAGS
3506 BUILDSUF=$build_suffix
3507 PROGSSUF=$progs_suffix
3508 FULLNAME=$FULLNAME
3509 LIBPREF=$LIBPREF
3510 LIBSUF=$LIBSUF
3511 LIBNAME=$LIBNAME
3512 SLIBPREF=$SLIBPREF
3513 SLIBSUF=$SLIBSUF
3514 EXESUF=$EXESUF
3515 EXTRA_VERSION=$extra_version
3516 DEPFLAGS=$DEPFLAGS
3517 CCDEP=$CCDEP
3518 CXXDEP=$CXXDEP
3519 ASDEP=$ASDEP
3520 CC_DEPFLAGS=$CC_DEPFLAGS
3521 AS_DEPFLAGS=$AS_DEPFLAGS
3522 HOSTCC=$host_cc
3523 HOSTCFLAGS=$host_cflags
3524 HOSTEXESUF=$HOSTEXESUF
3525 HOSTLDFLAGS=$host_ldflags
3526 HOSTLIBS=$host_libs
3527 TARGET_EXEC=$target_exec
3528 TARGET_PATH=$target_path
3529 SDL_LIBS=$sdl_libs
3530 SDL_CFLAGS=$sdl_cflags
3531 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3532 EXTRALIBS=$extralibs
3533 INSTALL=$install
3534 LIBTARGET=${LIBTARGET}
3535 SLIBNAME=${SLIBNAME}
3536 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3537 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3538 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3539 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3540 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3541 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3542 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3543 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3544 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3545 NOREDZONE_FLAGS=$noredzone_flags
3546 EOF
3547
3548 get_version(){
3549     name=$1
3550     file=$source_path/$2
3551     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3552     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3553     lcname=$(tolower $name)
3554     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3555     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3556 }
3557
3558 get_version LIBSWSCALE  libswscale/swscale.h
3559 get_version LIBSWRESAMPLE libswresample/swresample.h
3560 get_version LIBPOSTPROC libpostproc/postprocess.h
3561 get_version LIBAVCODEC  libavcodec/version.h
3562 get_version LIBAVDEVICE libavdevice/avdevice.h
3563 get_version LIBAVFORMAT libavformat/version.h
3564 get_version LIBAVUTIL   libavutil/avutil.h
3565 get_version LIBAVFILTER libavfilter/avfilter.h
3566
3567 cat > $TMPH <<EOF
3568 /* Automatically generated by configure - do not modify! */
3569 #ifndef FFMPEG_CONFIG_H
3570 #define FFMPEG_CONFIG_H
3571 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3572 #define FFMPEG_LICENSE "$(c_escape $license)"
3573 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3574 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3575 #define CC_TYPE "$cc_type"
3576 #define CC_VERSION $cc_version
3577 #define restrict $_restrict
3578 #define EXTERN_PREFIX "${extern_prefix}"
3579 #define EXTERN_ASM ${extern_prefix}
3580 #define SLIBSUF "$SLIBSUF"
3581 EOF
3582
3583 test -n "$malloc_prefix" &&
3584     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3585
3586 if enabled small || disabled optimizations; then
3587     echo "#undef  av_always_inline"  >> $TMPH
3588     if enabled small; then
3589         echo "#define av_always_inline inline"  >> $TMPH
3590     else
3591         echo "#define av_always_inline av_unused"  >> $TMPH
3592     fi
3593 fi
3594
3595 if enabled yasm; then
3596     append config_files $TMPASM
3597     printf '' >$TMPASM
3598 fi
3599
3600 print_config ARCH_   "$config_files" $ARCH_LIST
3601 print_config HAVE_   "$config_files" $HAVE_LIST
3602 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3603                                      $CONFIG_EXTRA      \
3604                                      $DECODER_LIST      \
3605                                      $ENCODER_LIST      \
3606                                      $HWACCEL_LIST      \
3607                                      $PARSER_LIST       \
3608                                      $BSF_LIST          \
3609                                      $DEMUXER_LIST      \
3610                                      $MUXER_LIST        \
3611                                      $FILTER_LIST       \
3612                                      $PROTOCOL_LIST     \
3613                                      $INDEV_LIST        \
3614                                      $OUTDEV_LIST       \
3615
3616 cat >>config.mak <<EOF
3617 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3618 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3619 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3620 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3621 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3622 EOF
3623
3624 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3625 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3626
3627 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3628 cp_if_changed $TMPH config.h
3629 touch .config
3630
3631 enabled yasm && cp_if_changed $TMPASM config.asm
3632
3633 cat > $TMPH <<EOF
3634 /* Generated by ffconf */
3635 #ifndef AVUTIL_AVCONFIG_H
3636 #define AVUTIL_AVCONFIG_H
3637 EOF
3638
3639 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3640
3641 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3642
3643 cp_if_changed $TMPH libavutil/avconfig.h
3644
3645 test -n "$WARNINGS" && printf "\n$WARNINGS"
3646
3647 # build pkg-config files
3648
3649 pkgconfig_generate(){
3650 name=$1
3651 shortname=${name#lib}${build_suffix}
3652 comment=$2
3653 version=$3
3654 libs=$4
3655 requires=$5
3656 enabled ${name#lib} || return 0
3657 mkdir -p $name
3658 cat <<EOF > $name/$name.pc
3659 prefix=$prefix
3660 exec_prefix=\${prefix}
3661 libdir=$libdir
3662 includedir=$incdir
3663
3664 Name: $name
3665 Description: $comment
3666 Version: $version
3667 Requires: $(enabled shared || echo $requires)
3668 Requires.private: $(enabled shared && echo $requires)
3669 Conflicts:
3670 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3671 Libs.private: $(enabled shared && echo $libs)
3672 Cflags: -I\${includedir}
3673 EOF
3674 cat <<EOF > $name/$name-uninstalled.pc
3675 prefix=
3676 exec_prefix=
3677 libdir=\${pcfiledir}
3678 includedir=${source_path}
3679
3680 Name: $name
3681 Description: $comment
3682 Version: $version
3683 Requires: $requires
3684 Conflicts:
3685 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3686 Cflags: -I\${includedir}
3687 EOF
3688 }
3689
3690 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3691 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3692 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3693 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3694 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3695 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3696 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3697 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"