libavdevice: Fix v4l2 compilation under FreeBSD
[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     h264chroma
1009     h264dsp
1010     h264pred
1011     hardcoded_tables
1012     huffman
1013     libaacplus
1014     libass
1015     libcdio
1016     libcelt
1017     libdc1394
1018     libdirac
1019     libfaac
1020     libfreetype
1021     libgsm
1022     libmodplug
1023     libmp3lame
1024     libnut
1025     libopencore_amrnb
1026     libopencore_amrwb
1027     libopencv
1028     libopenjpeg
1029     libpulse
1030     librtmp
1031     libschroedinger
1032     libspeex
1033     libstagefright_h264
1034     libtheora
1035     libutvideo
1036     libv4l2
1037     libvo_aacenc
1038     libvo_amrwbenc
1039     libvorbis
1040     libvpx
1041     libx264
1042     libxavs
1043     libxvid
1044     lpc
1045     lsp
1046     mdct
1047     memalign_hack
1048     mlib
1049     mpegaudiodsp
1050     network
1051     nonfree
1052     openal
1053     openssl
1054     pic
1055     postproc
1056     rdft
1057     rtpdec
1058     runtime_cpudetect
1059     shared
1060     sinewin
1061     small
1062     sram
1063     static
1064     swresample
1065     swscale
1066     swscale_alpha
1067     thumb
1068     vaapi
1069     vda
1070     vdpau
1071     version3
1072     x11grab
1073     zlib
1074 "
1075
1076 THREADS_LIST='
1077     pthreads
1078     w32threads
1079     os2threads
1080 '
1081
1082 ARCH_LIST='
1083     alpha
1084     arm
1085     avr32
1086     avr32_ap
1087     avr32_uc
1088     bfin
1089     ia64
1090     m68k
1091     mips
1092     mips64
1093     parisc
1094     ppc
1095     ppc64
1096     s390
1097     sh4
1098     sparc
1099     sparc64
1100     tomi
1101     x86
1102     x86_32
1103     x86_64
1104 '
1105
1106 ARCH_EXT_LIST='
1107     altivec
1108     amd3dnow
1109     amd3dnowext
1110     armv5te
1111     armv6
1112     armv6t2
1113     armvfp
1114     avx
1115     iwmmxt
1116     mmi
1117     mmx
1118     mmx2
1119     neon
1120     ppc4xx
1121     sse
1122     ssse3
1123     vfpv3
1124     vis
1125 '
1126
1127 HAVE_LIST_PUB='
1128     bigendian
1129     fast_unaligned
1130 '
1131
1132 HAVE_LIST="
1133     $ARCH_EXT_LIST
1134     $HAVE_LIST_PUB
1135     $THREADS_LIST
1136     aligned_stack
1137     alsa_asoundlib_h
1138     altivec_h
1139     arpa_inet_h
1140     asm_mod_y
1141     asm_types_h
1142     attribute_may_alias
1143     attribute_packed
1144     cbrtf
1145     closesocket
1146     cmov
1147     dcbzl
1148     dev_bktr_ioctl_bt848_h
1149     dev_bktr_ioctl_meteor_h
1150     dev_ic_bt8xx_h
1151     dev_video_bktr_ioctl_bt848_h
1152     dev_video_meteor_ioctl_meteor_h
1153     dlfcn_h
1154     dlopen
1155     dos_paths
1156     ebp_available
1157     ebx_available
1158     exp2
1159     exp2f
1160     fast_64bit
1161     fast_clz
1162     fast_cmov
1163     fcntl
1164     fork
1165     getaddrinfo
1166     gethrtime
1167     GetProcessMemoryInfo
1168     GetProcessTimes
1169     getrusage
1170     gnu_as
1171     ibm_asm
1172     inet_aton
1173     inline_asm
1174     isatty
1175     kbhit
1176     ldbrx
1177     llrint
1178     llrintf
1179     local_aligned_16
1180     local_aligned_8
1181     localtime_r
1182     log2
1183     log2f
1184     loongson
1185     lrint
1186     lrintf
1187     lzo1x_999_compress
1188     machine_ioctl_bt848_h
1189     machine_ioctl_meteor_h
1190     malloc_h
1191     MapViewOfFile
1192     memalign
1193     mkstemp
1194     mmap
1195     PeekNamedPipe
1196     poll_h
1197     posix_memalign
1198     round
1199     roundf
1200     sdl
1201     sdl_video_size
1202     setmode
1203     setrlimit
1204     sndio_h
1205     socklen_t
1206     soundcard_h
1207     strerror_r
1208     strptime
1209     struct_addrinfo
1210     struct_ipv6_mreq
1211     struct_rusage_ru_maxrss
1212     struct_sockaddr_in6
1213     struct_sockaddr_sa_len
1214     struct_sockaddr_storage
1215     symver
1216     symver_asm_label
1217     symver_gnu_asm
1218     sys_mman_h
1219     sys_resource_h
1220     sys_select_h
1221     sys_soundcard_h
1222     sys_videoio_h
1223     termios_h
1224     threads
1225     trunc
1226     truncf
1227     vfp_args
1228     VirtualAlloc
1229     winsock2_h
1230     xform_asm
1231     xmm_clobbers
1232     yasm
1233 "
1234
1235 # options emitted with CONFIG_ prefix but not available on command line
1236 CONFIG_EXTRA="
1237     avutil
1238     gplv3
1239     lgplv3
1240 "
1241
1242 CMDLINE_SELECT="
1243     $ARCH_EXT_LIST
1244     $CONFIG_LIST
1245     $THREADS_LIST
1246     asm
1247     coverage
1248     cross_compile
1249     debug
1250     extra_warnings
1251     logging
1252     optimizations
1253     stripping
1254     symver
1255     yasm
1256 "
1257
1258 PATHS_LIST='
1259     bindir
1260     datadir
1261     incdir
1262     libdir
1263     mandir
1264     prefix
1265     shlibdir
1266 '
1267
1268 CMDLINE_SET="
1269     $PATHS_LIST
1270     ar
1271     arch
1272     as
1273     build_suffix
1274     progs_suffix
1275     cc
1276     cpu
1277     cross_prefix
1278     cxx
1279     dep_cc
1280     extra_version
1281     host_cc
1282     host_cflags
1283     host_ldflags
1284     host_libs
1285     host_os
1286     install
1287     ld
1288     logfile
1289     malloc_prefix
1290     nm
1291     optflags
1292     pkg_config
1293     samples
1294     strip
1295     sysinclude
1296     sysroot
1297     target_exec
1298     target_os
1299     target_path
1300 "
1301
1302 CMDLINE_APPEND="
1303     extra_cflags
1304     extra_cxxflags
1305 "
1306
1307 # code dependency declarations
1308
1309 # architecture extensions
1310
1311 armv5te_deps="arm"
1312 armv6_deps="arm"
1313 armv6t2_deps="arm"
1314 armvfp_deps="arm"
1315 iwmmxt_deps="arm"
1316 neon_deps="arm"
1317 vfpv3_deps="armvfp"
1318
1319 mmi_deps="mips"
1320
1321 altivec_deps="ppc"
1322 ppc4xx_deps="ppc"
1323
1324 vis_deps="sparc"
1325
1326 x86_64_suggest="cmov fast_cmov"
1327 amd3dnow_deps="mmx"
1328 amd3dnowext_deps="amd3dnow"
1329 mmx_deps="x86"
1330 mmx2_deps="mmx"
1331 sse_deps="mmx"
1332 ssse3_deps="sse"
1333 avx_deps="ssse3"
1334
1335 aligned_stack_if_any="ppc x86"
1336 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1337 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1338 fast_unaligned_if_any="armv6 ppc x86"
1339
1340 inline_asm_deps="!tms470"
1341 need_memalign="altivec neon sse"
1342
1343 symver_if_any="symver_asm_label symver_gnu_asm"
1344
1345 # subsystems
1346 dct_select="rdft"
1347 mdct_select="fft"
1348 rdft_select="fft"
1349 mpegaudiodsp_select="dct"
1350
1351 # decoders / encoders / hardware accelerators
1352 aac_decoder_select="mdct sinewin"
1353 aac_encoder_select="mdct sinewin"
1354 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1355 ac3_decoder_select="mdct ac3dsp ac3_parser"
1356 ac3_encoder_select="mdct ac3dsp"
1357 ac3_fixed_encoder_select="mdct ac3dsp"
1358 alac_encoder_select="lpc"
1359 amrnb_decoder_select="lsp"
1360 amrwb_decoder_select="lsp"
1361 atrac1_decoder_select="mdct sinewin"
1362 atrac3_decoder_select="mdct"
1363 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1364 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1365 cavs_decoder_select="golomb"
1366 cook_decoder_select="mdct sinewin"
1367 cscd_decoder_suggest="zlib"
1368 dca_decoder_select="mdct"
1369 dnxhd_encoder_select="aandct"
1370 dxa_decoder_select="zlib"
1371 eac3_decoder_select="ac3_decoder"
1372 eac3_encoder_select="mdct ac3dsp"
1373 eamad_decoder_select="aandct"
1374 eatgq_decoder_select="aandct"
1375 eatqi_decoder_select="aandct"
1376 ffv1_decoder_select="golomb"
1377 flac_decoder_select="golomb"
1378 flac_encoder_select="golomb lpc"
1379 flashsv_decoder_select="zlib"
1380 flashsv_encoder_select="zlib"
1381 flashsv2_encoder_select="zlib"
1382 flashsv2_decoder_select="zlib"
1383 flv_decoder_select="h263_decoder"
1384 flv_encoder_select="h263_encoder"
1385 fraps_decoder_select="huffman"
1386 h261_encoder_select="aandct"
1387 h263_decoder_select="h263_parser"
1388 h263_encoder_select="aandct"
1389 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1390 h263i_decoder_select="h263_decoder"
1391 h263p_encoder_select="h263_encoder"
1392 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1393 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1394 h264_dxva2_hwaccel_deps="dxva2api_h"
1395 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1396 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1397 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1398 h264_vda_hwaccel_select="vda h264_decoder"
1399 h264_vdpau_decoder_select="vdpau h264_decoder"
1400 imc_decoder_select="fft mdct sinewin"
1401 jpegls_decoder_select="golomb"
1402 jpegls_encoder_select="golomb"
1403 ljpeg_encoder_select="aandct"
1404 loco_decoder_select="golomb"
1405 mjpeg_encoder_select="aandct"
1406 mlp_decoder_select="mlp_parser"
1407 mp1_decoder_select="mpegaudiodsp"
1408 mp1float_decoder_select="mpegaudiodsp"
1409 mp2_decoder_select="mpegaudiodsp"
1410 mp2float_decoder_select="mpegaudiodsp"
1411 mp3_decoder_select="mpegaudiodsp"
1412 mp3adu_decoder_select="mpegaudiodsp"
1413 mp3adufloat_decoder_select="mpegaudiodsp"
1414 mp3float_decoder_select="mpegaudiodsp"
1415 mp3on4_decoder_select="mpegaudiodsp"
1416 mp3on4float_decoder_select="mpegaudiodsp"
1417 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1418 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1419 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1420 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1421 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1422 mpeg1video_encoder_select="aandct"
1423 mpeg2_crystalhd_decoder_select="crystalhd"
1424 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1425 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1426 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1427 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1428 mpeg2video_encoder_select="aandct"
1429 mpeg4_crystalhd_decoder_select="crystalhd"
1430 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1431 mpeg4_encoder_select="h263_encoder"
1432 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1433 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1434 msmpeg4_crystalhd_decoder_select="crystalhd"
1435 msmpeg4v1_decoder_select="h263_decoder"
1436 msmpeg4v1_encoder_select="h263_encoder"
1437 msmpeg4v2_decoder_select="h263_decoder"
1438 msmpeg4v2_encoder_select="h263_encoder"
1439 msmpeg4v3_decoder_select="h263_decoder"
1440 msmpeg4v3_encoder_select="h263_encoder"
1441 nellymoser_decoder_select="mdct sinewin"
1442 nellymoser_encoder_select="mdct sinewin"
1443 png_decoder_select="zlib"
1444 png_encoder_select="zlib"
1445 qcelp_decoder_select="lsp"
1446 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1447 ra_144_encoder_select="lpc"
1448 rv10_decoder_select="h263_decoder"
1449 rv10_encoder_select="h263_encoder"
1450 rv20_decoder_select="h263_decoder"
1451 rv20_encoder_select="h263_encoder"
1452 rv30_decoder_select="golomb h264chroma h264pred"
1453 rv40_decoder_select="golomb h264chroma h264pred"
1454 shorten_decoder_select="golomb"
1455 sipr_decoder_select="lsp"
1456 snow_decoder_select="dwt"
1457 snow_encoder_select="aandct dwt"
1458 sonic_decoder_select="golomb"
1459 sonic_encoder_select="golomb"
1460 sonic_ls_encoder_select="golomb"
1461 svq1_encoder_select="aandct"
1462 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1463 svq3_decoder_suggest="zlib"
1464 theora_decoder_select="vp3_decoder"
1465 tiff_decoder_suggest="zlib"
1466 tiff_encoder_suggest="zlib"
1467 truehd_decoder_select="mlp_decoder"
1468 tscc_decoder_select="zlib"
1469 twinvq_decoder_select="mdct lsp sinewin"
1470 vc1_crystalhd_decoder_select="crystalhd"
1471 vc1_decoder_select="h263_decoder h264chroma"
1472 vc1_dxva2_hwaccel_deps="dxva2api_h"
1473 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1474 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1475 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1476 vc1image_decoder_select="vc1_decoder"
1477 vorbis_decoder_select="mdct"
1478 vorbis_encoder_select="mdct"
1479 vp6_decoder_select="huffman"
1480 vp6a_decoder_select="vp6_decoder"
1481 vp6f_decoder_select="vp6_decoder"
1482 vp8_decoder_select="h264pred"
1483 wmapro_decoder_select="mdct sinewin"
1484 wmav1_decoder_select="mdct sinewin"
1485 wmav1_encoder_select="mdct sinewin"
1486 wmav2_decoder_select="mdct sinewin"
1487 wmav2_encoder_select="mdct sinewin"
1488 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1489 wmv1_decoder_select="h263_decoder"
1490 wmv1_encoder_select="h263_encoder"
1491 wmv2_decoder_select="h263_decoder"
1492 wmv2_encoder_select="h263_encoder"
1493 wmv3_decoder_select="vc1_decoder"
1494 wmv3_crystalhd_decoder_select="crystalhd"
1495 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1496 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1497 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1498 wmv3image_decoder_select="wmv3_decoder"
1499 zlib_decoder_select="zlib"
1500 zlib_encoder_select="zlib"
1501 zmbv_decoder_select="zlib"
1502 zmbv_encoder_select="zlib"
1503
1504 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1505 vaapi_deps="va_va_h"
1506 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1507 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1508
1509 # parsers
1510 h264_parser_select="golomb h264chroma h264dsp h264pred"
1511
1512 # external libraries
1513 libaacplus_encoder_deps="libaacplus"
1514 libcelt_decoder_deps="libcelt"
1515 libdirac_decoder_deps="libdirac !libschroedinger"
1516 libdirac_encoder_deps="libdirac"
1517 libfaac_encoder_deps="libfaac"
1518 libgsm_decoder_deps="libgsm"
1519 libgsm_encoder_deps="libgsm"
1520 libgsm_ms_decoder_deps="libgsm"
1521 libgsm_ms_encoder_deps="libgsm"
1522 libmodplug_demuxer_deps="libmodplug"
1523 libmp3lame_encoder_deps="libmp3lame"
1524 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1525 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1526 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1527 libopenjpeg_decoder_deps="libopenjpeg"
1528 libopenjpeg_encoder_deps="libopenjpeg"
1529 libschroedinger_decoder_deps="libschroedinger"
1530 libschroedinger_encoder_deps="libschroedinger"
1531 libspeex_decoder_deps="libspeex"
1532 libspeex_encoder_deps="libspeex"
1533 libstagefright_h264_decoder_deps="libstagefright_h264"
1534 libtheora_encoder_deps="libtheora"
1535 libvo_aacenc_encoder_deps="libvo_aacenc"
1536 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1537 libvorbis_encoder_deps="libvorbis"
1538 libvpx_decoder_deps="libvpx"
1539 libvpx_encoder_deps="libvpx"
1540 libx264_encoder_deps="libx264"
1541 libx264rgb_encoder_deps="libx264"
1542 libxavs_encoder_deps="libxavs"
1543 libxvid_encoder_deps="libxvid"
1544 libutvideo_decoder_deps="libutvideo gpl"
1545
1546 # demuxers / muxers
1547 ac3_demuxer_select="ac3_parser"
1548 asf_stream_muxer_select="asf_muxer"
1549 avisynth_demuxer_deps="avisynth"
1550 dirac_demuxer_select="dirac_parser"
1551 eac3_demuxer_select="ac3_parser"
1552 flac_demuxer_select="flac_parser"
1553 ipod_muxer_select="mov_muxer"
1554 libnut_demuxer_deps="libnut"
1555 libnut_muxer_deps="libnut"
1556 matroska_audio_muxer_select="matroska_muxer"
1557 matroska_demuxer_suggest="zlib bzlib"
1558 mov_demuxer_suggest="zlib"
1559 mp3_demuxer_select="mpegaudio_parser"
1560 mp4_muxer_select="mov_muxer"
1561 mpegtsraw_demuxer_select="mpegts_demuxer"
1562 mxf_d10_muxer_select="mxf_muxer"
1563 ogg_demuxer_select="golomb"
1564 psp_muxer_select="mov_muxer"
1565 rtp_demuxer_select="sdp_demuxer"
1566 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1567 rtsp_demuxer_select="http_protocol rtpdec"
1568 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1569 sap_demuxer_select="sdp_demuxer"
1570 sap_muxer_select="rtp_muxer rtp_protocol"
1571 sdp_demuxer_select="rtpdec"
1572 spdif_muxer_select="aac_parser"
1573 tg2_muxer_select="mov_muxer"
1574 tgp_muxer_select="mov_muxer"
1575 w64_demuxer_deps="wav_demuxer"
1576
1577 # indevs / outdevs
1578 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1579 alsa_outdev_deps="alsa_asoundlib_h"
1580 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1581 dshow_indev_deps="IBaseFilter"
1582 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1583 dv1394_indev_deps="dv1394 dv_demuxer"
1584 fbdev_indev_deps="linux_fb_h"
1585 jack_indev_deps="jack_jack_h sem_timedwait"
1586 lavfi_indev_deps="avfilter"
1587 libcdio_indev_deps="libcdio"
1588 libdc1394_indev_deps="libdc1394"
1589 libv4l2_indev_deps="libv4l2"
1590 openal_indev_deps="openal"
1591 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1592 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1593 pulse_indev_deps="libpulse"
1594 sdl_outdev_deps="sdl"
1595 sndio_indev_deps="sndio_h"
1596 sndio_outdev_deps="sndio_h"
1597 v4l_indev_deps="linux_videodev_h"
1598 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1599 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1600 vfwcap_indev_extralibs="-lavicap32"
1601 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1602 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1603
1604 # protocols
1605 gopher_protocol_deps="network"
1606 httpproxy_protocol_deps="network"
1607 httpproxy_protocol_select="tcp_protocol"
1608 http_protocol_deps="network"
1609 http_protocol_select="tcp_protocol"
1610 https_protocol_select="tls_protocol"
1611 mmsh_protocol_select="http_protocol"
1612 mmst_protocol_deps="network"
1613 rtmp_protocol_select="tcp_protocol"
1614 rtp_protocol_select="udp_protocol"
1615 tcp_protocol_deps="network"
1616 tls_protocol_deps_any="openssl gnutls"
1617 tls_protocol_select="tcp_protocol"
1618 udp_protocol_deps="network"
1619
1620 # filters
1621 amovie_filter_deps="avcodec avformat"
1622 ass_filter_deps="libass"
1623 blackframe_filter_deps="gpl"
1624 boxblur_filter_deps="gpl"
1625 cropdetect_filter_deps="gpl"
1626 delogo_filter_deps="gpl"
1627 drawtext_filter_deps="libfreetype"
1628 frei0r_filter_deps="frei0r dlopen"
1629 frei0r_src_filter_deps="frei0r dlopen"
1630 hqdn3d_filter_deps="gpl"
1631 movie_filter_deps="avcodec avformat"
1632 mp_filter_deps="gpl avcodec"
1633 mptestsrc_filter_deps="gpl"
1634 negate_filter_deps="lut_filter"
1635 ocv_filter_deps="libopencv"
1636 scale_filter_deps="swscale"
1637 yadif_filter_deps="gpl"
1638
1639 # libraries
1640 avdevice_deps="avcodec avformat"
1641 avformat_deps="avcodec"
1642 postproc_deps="gpl"
1643
1644 # programs
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 ffmpeg_deps="avcodec avformat swscale swresample"
1653 ffmpeg_select="buffer_filter buffersink_filter"
1654
1655 doc_deps="texi2html"
1656
1657 # tests
1658
1659 test_deps(){
1660     suf1=$1
1661     suf2=$2
1662     shift 2
1663     for v; do
1664         dep=${v%=*}
1665         tests=${v#*=}
1666         for name in ${tests}; do
1667             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1668         done
1669     done
1670 }
1671
1672 mxf_d10_test_deps="avfilter"
1673 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1674
1675 test_deps _encoder _decoder                                             \
1676     adpcm_ima_qt                                                        \
1677     adpcm_ima_wav                                                       \
1678     adpcm_ms                                                            \
1679     adpcm_swf                                                           \
1680     adpcm_yamaha=adpcm_yam                                              \
1681     alac                                                                \
1682     asv1                                                                \
1683     asv2                                                                \
1684     bmp                                                                 \
1685     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1686     dvvideo="dv dv_411 dv50"                                            \
1687     ffv1                                                                \
1688     flac                                                                \
1689     flashsv                                                             \
1690     flv                                                                 \
1691     adpcm_g726=g726                                                     \
1692     gif                                                                 \
1693     h261                                                                \
1694     h263="h263 h263p"                                                   \
1695     huffyuv                                                             \
1696     jpegls                                                              \
1697     mjpeg="jpg mjpeg ljpeg"                                             \
1698     mp2                                                                 \
1699     mpeg1video="mpeg mpeg1b"                                            \
1700     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1701     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1702     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1703     mpeg4="mpeg4thread error rc"                                        \
1704     msmpeg4v3=msmpeg4                                                   \
1705     msmpeg4v2                                                           \
1706     pbm=pbmpipe                                                         \
1707     pcx                                                                 \
1708     pgm="pgm pgmpipe"                                                   \
1709     png                                                                 \
1710     ppm="ppm ppmpipe"                                                   \
1711     rawvideo="rgb yuv"                                                  \
1712     roq                                                                 \
1713     rv10                                                                \
1714     rv20                                                                \
1715     sgi                                                                 \
1716     snow="snow snowll"                                                  \
1717     svq1                                                                \
1718     targa=tga                                                           \
1719     tiff                                                                \
1720     wmav1                                                               \
1721     wmav2                                                               \
1722     wmv1                                                                \
1723     wmv2                                                                \
1724
1725 test_deps _muxer _demuxer                                               \
1726     aiff                                                                \
1727     pcm_alaw=alaw                                                       \
1728     asf                                                                 \
1729     au                                                                  \
1730     avi                                                                 \
1731     dv=dv_fmt                                                           \
1732     ffm                                                                 \
1733     flv=flv_fmt                                                         \
1734     gxf                                                                 \
1735     matroska=mkv                                                        \
1736     mmf                                                                 \
1737     mov                                                                 \
1738     pcm_mulaw=mulaw                                                     \
1739     mxf="mxf mxf_d10"                                                   \
1740     nut                                                                 \
1741     ogg                                                                 \
1742     rawvideo=pixfmt                                                     \
1743     rm                                                                  \
1744     swf                                                                 \
1745     mpegts=ts                                                           \
1746     voc                                                                 \
1747     wav                                                                 \
1748     yuv4mpegpipe=yuv4mpeg                                               \
1749
1750 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1751 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1752
1753 # default parameters
1754
1755 logfile="config.log"
1756
1757 # installation paths
1758 prefix_default="/usr/local"
1759 bindir_default='${prefix}/bin'
1760 datadir_default='${prefix}/share/ffmpeg'
1761 incdir_default='${prefix}/include'
1762 libdir_default='${prefix}/lib'
1763 mandir_default='${prefix}/share/man'
1764 shlibdir_default="$libdir_default"
1765
1766 # toolchain
1767 ar_default="ar"
1768 cc_default="gcc"
1769 cxx_default="g++"
1770 cc_version=\"unknown\"
1771 host_cc_default="gcc"
1772 install="install"
1773 ln_s="ln -sf"
1774 nm_default="nm"
1775 objformat="elf"
1776 pkg_config_default=pkg-config
1777 ranlib="ranlib"
1778 strip_default="strip"
1779 yasmexe="yasm"
1780
1781 nm_opts='-g'
1782 nogas=":"
1783
1784 # machine
1785 arch_default=$(uname -m)
1786 cpu="generic"
1787
1788 # OS
1789 target_os_default=$(tolower $(uname -s))
1790 host_os=$target_os_default
1791
1792 # configurable options
1793 enable avcodec
1794 enable avdevice
1795 enable avfilter
1796 enable avformat
1797 enable avutil
1798 enable postproc
1799 enable stripping
1800 enable swresample
1801 enable swscale
1802
1803 enable ffmpeg
1804 enable ffplay
1805 enable ffprobe
1806 enable ffserver
1807
1808 enable asm
1809 enable debug
1810 enable doc
1811 enable fastdiv
1812 enable network
1813 enable optimizations
1814 enable static
1815 enable swscale_alpha
1816
1817 # build settings
1818 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1819 FFSERVERLDFLAGS=-Wl,-E
1820 LIBPREF="lib"
1821 LIBSUF=".a"
1822 FULLNAME='$(NAME)$(BUILDSUF)'
1823 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1824 SLIBPREF="lib"
1825 SLIBSUF=".so"
1826 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1827 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1828 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1829 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1830 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1831 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1832
1833 AS_O='-o $@'
1834 CC_O='-o $@'
1835 CXX_O='-o $@'
1836
1837 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1838 host_libs='-lm'
1839
1840 target_path='$(CURDIR)'
1841
1842 # since the object filename is not given with the -MM flag, the compiler
1843 # is only able to print the basename, and we must add the path ourselves
1844 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1845 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1846
1847 # find source path
1848 if test -f configure; then
1849     source_path=.
1850 else
1851     source_path=$(cd $(dirname "$0"); pwd)
1852     echo "$source_path" | grep -q '[[:blank:]]' &&
1853         die "Out of tree builds are impossible with whitespace in source path."
1854     test -e "$source_path/config.h" &&
1855         die "Out of tree builds are impossible with config.h in source dir."
1856 fi
1857
1858 for v in "$@"; do
1859     r=${v#*=}
1860     l=${v%"$r"}
1861     r=$(sh_quote "$r")
1862     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1863 done
1864
1865 find_things(){
1866     thing=$1
1867     pattern=$2
1868     file=$source_path/$3
1869     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1870 }
1871
1872 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1873 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1874 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1875 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1876 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1877 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1878 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1879 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1880 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1881 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1882 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1883
1884 find_tests(){
1885     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1886 }
1887
1888 ACODEC_TESTS=$(find_tests acodec)
1889 VCODEC_TESTS=$(find_tests vsynth1)
1890 LAVF_TESTS=$(find_tests lavf)
1891 LAVFI_TESTS=$(find_tests lavfi)
1892 SEEK_TESTS=$(find_tests seek seek_)
1893
1894 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1895
1896 for n in $COMPONENT_LIST; do
1897     v=$(toupper ${n%s})_LIST
1898     eval enable \$$v
1899     eval ${n}_if_any="\$$v"
1900 done
1901
1902 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1903
1904 die_unknown(){
1905     echo "Unknown option \"$1\"."
1906     echo "See $0 --help for available options."
1907     exit 1
1908 }
1909
1910 show_list() {
1911     suffix=_$1
1912     shift
1913     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1914     exit 0
1915 }
1916
1917 for opt do
1918     optval="${opt#*=}"
1919     case "$opt" in
1920     --extra-ldflags=*) add_ldflags $optval
1921     ;;
1922     --extra-libs=*) add_extralibs $optval
1923     ;;
1924     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1925     ;;
1926     --enable-debug=*) debuglevel="$optval"
1927     ;;
1928     --disable-everything)
1929     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1930     ;;
1931     --enable-*=*|--disable-*=*)
1932     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1933     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1934     eval list=\$$(toupper $thing)_LIST
1935     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1936     $action $(filter "$name" $list)
1937     ;;
1938     --enable-?*|--disable-?*)
1939     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1940     if is_in $option $COMPONENT_LIST; then
1941         test $action = disable && action=unset
1942         eval $action \$$(toupper ${option%s})_LIST
1943     elif is_in $option $CMDLINE_SELECT; then
1944         $action $option
1945     else
1946         die_unknown $opt
1947     fi
1948     ;;
1949     --list-*)
1950         NAME="${opt#--list-}"
1951         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1952         NAME=${NAME%s}
1953         eval show_list $NAME \$$(toupper $NAME)_LIST
1954     ;;
1955     --help|-h) show_help
1956     ;;
1957     *)
1958     optname="${opt%%=*}"
1959     optname="${optname#--}"
1960     optname=$(echo "$optname" | sed 's/-/_/g')
1961     if is_in $optname $CMDLINE_SET; then
1962         eval $optname='$optval'
1963     elif is_in $optname $CMDLINE_APPEND; then
1964         append $optname "$optval"
1965     else
1966          die_unknown $opt
1967     fi
1968     ;;
1969     esac
1970 done
1971
1972 disabled logging && logfile=/dev/null
1973
1974 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1975 set >> $logfile
1976
1977 test -n "$cross_prefix" && enable cross_compile
1978
1979 if enabled cross_compile; then
1980     test -n "$arch" && test -n "$target_os" ||
1981         die "Must specify target arch and OS when cross-compiling"
1982 fi
1983
1984 set_default arch target_os
1985
1986 ar_default="${cross_prefix}${ar_default}"
1987 cc_default="${cross_prefix}${cc_default}"
1988 cxx_default="${cross_prefix}${cxx_default}"
1989 nm_default="${cross_prefix}${nm_default}"
1990 pkg_config_default="${cross_prefix}${pkg_config_default}"
1991 ranlib="${cross_prefix}${ranlib}"
1992 strip_default="${cross_prefix}${strip_default}"
1993
1994 sysinclude_default="${sysroot}/usr/include"
1995
1996 set_default cc cxx nm pkg_config strip sysinclude
1997 enabled cross_compile || host_cc_default=$cc
1998 set_default host_cc
1999
2000 if ! $pkg_config --version >/dev/null 2>&1; then
2001     warn "$pkg_config not found, library detection may fail."
2002     pkg_config=false
2003 fi
2004
2005 exesuf() {
2006     case $1 in
2007         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2008     esac
2009 }
2010
2011 EXESUF=$(exesuf $target_os)
2012 HOSTEXESUF=$(exesuf $host_os)
2013
2014 # set temporary file name
2015 : ${TMPDIR:=$TEMPDIR}
2016 : ${TMPDIR:=$TMP}
2017 : ${TMPDIR:=/tmp}
2018
2019 if ! check_cmd mktemp -u XXXXXX; then
2020     # simple replacement for missing mktemp
2021     # NOT SAFE FOR GENERAL USE
2022     mktemp(){
2023         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2024     }
2025 fi
2026
2027 tmpfile(){
2028     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2029         (set -C; exec > $tmp) 2>/dev/null ||
2030         die "Unable to create temporary file in $TMPDIR."
2031     append TMPFILES $tmp
2032     eval $1=$tmp
2033 }
2034
2035 trap 'rm -f -- $TMPFILES' EXIT
2036
2037 tmpfile TMPASM .asm
2038 tmpfile TMPC   .c
2039 tmpfile TMPCPP .cpp
2040 tmpfile TMPE   $EXESUF
2041 tmpfile TMPH   .h
2042 tmpfile TMPO   .o
2043 tmpfile TMPS   .S
2044 tmpfile TMPSH  .sh
2045 tmpfile TMPV   .ver
2046
2047 unset -f mktemp
2048
2049 chmod +x $TMPE
2050
2051 # make sure we can execute files in $TMPDIR
2052 cat > $TMPSH 2>> $logfile <<EOF
2053 #! /bin/sh
2054 EOF
2055 chmod +x $TMPSH >> $logfile 2>&1
2056 if ! $TMPSH >> $logfile 2>&1; then
2057     cat <<EOF
2058 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2059 variable to another directory and make sure that it is not mounted noexec.
2060 EOF
2061     die "Sanity test failed."
2062 fi
2063
2064 filter_asflags=echo
2065 filter_cflags=echo
2066 filter_cppflags=echo
2067
2068 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2069     cc_type=llvm_gcc
2070     cc_version=__VERSION__
2071     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2072     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2073     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2074     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2075     speed_cflags='-O3'
2076     size_cflags='-Os'
2077 elif $cc -v 2>&1 | grep -qi ^gcc; then
2078     cc_type=gcc
2079     cc_version=__VERSION__
2080     gcc_version=$($cc --version | head -n1)
2081     gcc_basever=$($cc -dumpversion)
2082     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2083     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2084     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2085     if ! $cc -dumpversion | grep -q '^2\.'; then
2086         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2087         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2088     fi
2089     speed_cflags='-O3'
2090     size_cflags='-Os'
2091 elif $cc --version 2>/dev/null | grep -q Intel; then
2092     cc_type=icc
2093     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2094     cc_ident=$($cc --version | head -n1)
2095     icc_version=$($cc -dumpversion)
2096     CC_DEPFLAGS='-MMD'
2097     AS_DEPFLAGS='-MMD'
2098     speed_cflags='-O3'
2099     size_cflags='-Os'
2100     noopt_cflags='-O1'
2101 elif $cc -v 2>&1 | grep -q xlc; then
2102     cc_type=xlc
2103     cc_version="AV_STRINGIFY(__IBMC__)"
2104     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2105     speed_cflags='-O5'
2106     size_cflags='-O5 -qcompact'
2107 elif $cc -V 2>/dev/null | grep -q Compaq; then
2108     cc_type=ccc
2109     cc_version="AV_STRINGIFY(__DECC_VER)"
2110     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2111     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2112     debuglevel=3
2113     add_ldflags -Wl,-z,now # calls to libots crash without this
2114     speed_cflags='-fast'
2115     size_cflags='-O1'
2116 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2117     test -d "$sysroot" || die "No valid sysroot specified."
2118     cc_type=armcc
2119     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2120     cc_ident=$($cc --vsn | head -n1)
2121     armcc_conf="$PWD/armcc.conf"
2122     $cc --arm_linux_configure                 \
2123         --arm_linux_config_file="$armcc_conf" \
2124         --configure_sysroot="$sysroot"        \
2125         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2126         die "Error creating armcc configuration file."
2127     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2128     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2129     as_default="${cross_prefix}gcc"
2130     CC_DEPFLAGS='-MMD'
2131     AS_DEPFLAGS='-MMD'
2132     speed_cflags='-O3'
2133     size_cflags='-Os'
2134     filter_asflags="filter_out -W${armcc_opt}*"
2135 elif $cc -version 2>/dev/null | grep -q TMS470; then
2136     cc_type=tms470
2137     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2138     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2139     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2140     CC_O='-fr=$(@D)'
2141     as_default="${cross_prefix}gcc"
2142     ld_default="${cross_prefix}gcc"
2143     TMPO=$(basename $TMPC .c).o
2144     append TMPFILES $TMPO
2145     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2146     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2147     AS_DEPFLAGS='-MMD'
2148     speed_cflags='-O3 -mf=5'
2149     size_cflags='-O3 -mf=2'
2150     filter_cflags=tms470_flags
2151     tms470_flags(){
2152         for flag; do
2153             case $flag in
2154                 -march=*|-mcpu=*)
2155                     case "${flag#*=}" in
2156                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2157                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2158                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2159                         armv6*|arm11*)          echo -mv=6   ;;
2160                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2161                                                 echo -mv=5e  ;;
2162                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2163                     esac
2164                     ;;
2165                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2166                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2167                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2168                 -msoft-float)   echo --float_support=vfplib       ;;
2169                 -O[0-3]|-mf=*)  echo $flag                        ;;
2170                 -g)             echo -g -mn                       ;;
2171                 -pds=*)         echo $flag                        ;;
2172             esac
2173         done
2174     }
2175 elif $cc -v 2>&1 | grep -q clang; then
2176     cc_type=clang
2177     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2178         cc_version=__clang_version__ || cc_version=__VERSION__
2179     cc_ident=$($cc --version | head -n1)
2180     CC_DEPFLAGS='-MMD'
2181     AS_DEPFLAGS='-MMD'
2182     speed_cflags='-O3'
2183     size_cflags='-Os'
2184 elif $cc -V 2>&1 | grep -q Sun; then
2185     cc_type=suncc
2186     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2187     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2188     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2189     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2190     add_ldflags -xc99
2191     speed_cflags='-O5'
2192     size_cflags='-O5 -xspace'
2193     filter_cflags=suncc_flags
2194     suncc_flags(){
2195         for flag; do
2196             case $flag in
2197                 -march=*|-mcpu=*)
2198                     case "${flag#*=}" in
2199                         native)                   echo -xtarget=native       ;;
2200                         v9|niagara)               echo -xarch=sparc          ;;
2201                         ultrasparc)               echo -xarch=sparcvis       ;;
2202                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2203                         i586|pentium)             echo -xchip=pentium        ;;
2204                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2205                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2206                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2207                         pentium4*)          echo -xtarget=pentium4           ;;
2208                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2209                         *-sse3)             echo -xarch=sse3                 ;;
2210                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2211                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2212                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2213                         k8|opteron|athlon64|athlon-fx)
2214                                                   echo -xarch=sse2a          ;;
2215                         athlon*)                  echo -xarch=pentium_proa   ;;
2216                     esac
2217                     ;;
2218                 -std=c99)             echo -xc99              ;;
2219                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2220                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2221                 -W*,*)                echo $flag              ;;
2222                 -f*-*|-W*)                                    ;;
2223                 *)                    echo $flag              ;;
2224             esac
2225         done
2226     }
2227 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2228     cc_type=pathscale
2229     cc_version=__PATHSCALE__
2230     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2231     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2232     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2233     speed_cflags='-O2'
2234     size_cflags='-Os'
2235     filter_cflags='filter_out -Wdisabled-optimization'
2236 elif $cc -v 2>&1 | grep -q Open64; then
2237     cc_type=open64
2238     cc_version=__OPEN64__
2239     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2240     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2241     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2242     speed_cflags='-O2'
2243     size_cflags='-Os'
2244     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2245 fi
2246
2247 test -n "$cc_type" && enable $cc_type ||
2248     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2249
2250 : ${as_default:=$cc}
2251 : ${dep_cc_default:=$cc}
2252 : ${ld_default:=$cc}
2253 set_default ar as dep_cc ld
2254
2255 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2256 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2257 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2258
2259 add_cflags $extra_cflags
2260 add_cxxflags $extra_cxxflags
2261 add_asflags $extra_cflags
2262
2263 if test -n "$sysroot"; then
2264     case "$cc_type" in
2265         gcc|llvm_gcc|clang)
2266             add_cppflags --sysroot="$sysroot"
2267             add_ldflags --sysroot="$sysroot"
2268         ;;
2269         tms470)
2270             add_cppflags -I"$sysinclude"
2271             add_ldflags  --sysroot="$sysroot"
2272         ;;
2273     esac
2274 fi
2275
2276 if test "$cpu" = host; then
2277     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2278
2279     case "$cc_type" in
2280         gcc|llvm_gcc)
2281             check_native(){
2282                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2283                 sed -n "/cc1.*$1=/{
2284                             s/.*$1=\\([^ ]*\\).*/\\1/
2285                             p
2286                             q
2287                         }" $TMPE
2288             }
2289             cpu=$(check_native -march || check_native -mcpu)
2290         ;;
2291     esac
2292
2293     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2294 fi
2295
2296 # Deal with common $arch aliases
2297 case "$arch" in
2298     arm*)
2299         arch="arm"
2300     ;;
2301     mips|mipsel|IP*)
2302         arch="mips"
2303     ;;
2304     mips64*)
2305         arch="mips"
2306         subarch="mips64"
2307     ;;
2308     parisc|hppa)
2309         arch="parisc"
2310     ;;
2311     parisc64|hppa64)
2312         arch="parisc"
2313         subarch="parisc64"
2314     ;;
2315     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2316         arch="ppc"
2317     ;;
2318     s390|s390x)
2319         arch="s390"
2320     ;;
2321     sh4|sh)
2322         arch="sh4"
2323     ;;
2324     sun4u|sparc64)
2325         arch="sparc"
2326         subarch="sparc64"
2327     ;;
2328     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2329         arch="x86"
2330     ;;
2331 esac
2332
2333 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2334 enable $arch
2335
2336 # Add processor-specific flags
2337 if test "$cpu" = generic; then
2338     : do nothing
2339 elif enabled ppc; then
2340
2341     case $(tolower $cpu) in
2342         601|ppc601|powerpc601)
2343             cpuflags="-mcpu=601"
2344             disable altivec
2345         ;;
2346         603*|ppc603*|powerpc603*)
2347             cpuflags="-mcpu=603"
2348             disable altivec
2349         ;;
2350         604*|ppc604*|powerpc604*)
2351             cpuflags="-mcpu=604"
2352             disable altivec
2353         ;;
2354         g3|75*|ppc75*|powerpc75*)
2355             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2356             disable altivec
2357         ;;
2358         g4|745*|ppc745*|powerpc745*)
2359             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2360         ;;
2361         74*|ppc74*|powerpc74*)
2362             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2363         ;;
2364         g5|970|ppc970|powerpc970|power4*)
2365             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2366         ;;
2367         cell)
2368             cpuflags="-mcpu=cell"
2369             enable ldbrx
2370         ;;
2371         e500v2)
2372             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2373             disable altivec
2374         ;;
2375         e500)
2376             cpuflags="-mcpu=8540 -mhard-float"
2377             disable altivec
2378         ;;
2379     esac
2380
2381 elif enabled x86; then
2382
2383     case $cpu in
2384         i[345]86|pentium)
2385             cpuflags="-march=$cpu"
2386             disable mmx
2387         ;;
2388         # targets that do NOT support conditional mov (cmov)
2389         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2390             cpuflags="-march=$cpu"
2391             disable cmov
2392         ;;
2393         # targets that do support conditional mov (cmov)
2394         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2395             cpuflags="-march=$cpu"
2396             enable cmov
2397             enable fast_cmov
2398         ;;
2399         # targets that do support conditional mov but on which it's slow
2400         pentium4|pentium4m|prescott|nocona)
2401             cpuflags="-march=$cpu"
2402             enable cmov
2403             disable fast_cmov
2404         ;;
2405     esac
2406
2407 elif enabled sparc; then
2408
2409     case $cpu in
2410         niagara)
2411             cpuflags="-mcpu=$cpu"
2412             disable vis
2413         ;;
2414         sparc64)
2415             cpuflags="-mcpu=v9"
2416         ;;
2417     esac
2418
2419 elif enabled arm; then
2420
2421     case $cpu in
2422         armv*)
2423             cpuflags="-march=$cpu"
2424             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2425         ;;
2426         *)
2427             cpuflags="-mcpu=$cpu"
2428             case $cpu in
2429                 cortex-a*)                               subarch=armv7a  ;;
2430                 cortex-r*)                               subarch=armv7r  ;;
2431                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2432                 arm11*)                                  subarch=armv6   ;;
2433                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2434                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2435             esac
2436         ;;
2437     esac
2438
2439 elif enabled alpha; then
2440
2441     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2442
2443 elif enabled bfin; then
2444
2445     cpuflags="-mcpu=$cpu"
2446
2447 elif enabled mips; then
2448
2449     cpuflags="-march=$cpu"
2450
2451 elif enabled avr32; then
2452
2453     case $cpu in
2454         ap7[02]0[0-2])
2455             subarch="avr32_ap"
2456             cpuflags="-mpart=$cpu"
2457         ;;
2458         ap)
2459             subarch="avr32_ap"
2460             cpuflags="-march=$cpu"
2461         ;;
2462         uc3[ab]*)
2463             subarch="avr32_uc"
2464             cpuflags="-mcpu=$cpu"
2465         ;;
2466         uc)
2467             subarch="avr32_uc"
2468             cpuflags="-march=$cpu"
2469         ;;
2470     esac
2471
2472 fi
2473
2474 add_cflags $cpuflags
2475 add_asflags $cpuflags
2476
2477 # compiler sanity check
2478 check_exec <<EOF
2479 int main(void){ return 0; }
2480 EOF
2481 if test "$?" != 0; then
2482     echo "$cc is unable to create an executable file."
2483     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2484         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2485         echo "Only do this if you know what cross compiling means."
2486     fi
2487     die "C compiler test failed."
2488 fi
2489
2490 add_cppflags -D_ISOC99_SOURCE
2491 add_cxxflags -D__STDC_CONSTANT_MACROS
2492 check_cflags -std=c99
2493 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2494 #include <stdlib.h>
2495 EOF
2496 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2497 #include <stdlib.h>
2498 EOF
2499
2500 check_host_cflags -std=c99
2501 check_host_cflags -Wall
2502
2503 case "$arch" in
2504     alpha|ia64|mips|parisc|sparc)
2505         spic=$shared
2506     ;;
2507     x86)
2508         subarch="x86_32"
2509         check_cc <<EOF && subarch="x86_64"
2510         int test[(int)sizeof(char*) - 7];
2511 EOF
2512         if test "$subarch" = "x86_64"; then
2513             spic=$shared
2514         fi
2515     ;;
2516     ppc)
2517         check_cc <<EOF && subarch="ppc64"
2518         int test[(int)sizeof(char*) - 7];
2519 EOF
2520     ;;
2521 esac
2522
2523 enable $subarch
2524 enabled spic && enable pic
2525
2526 # OS specific
2527 case $target_os in
2528     haiku)
2529         prefix_default="/boot/common"
2530         network_extralibs="-lnetwork"
2531         host_libs=
2532         ;;
2533     sunos)
2534         FFSERVERLDFLAGS=""
2535         SHFLAGS='-shared -Wl,-h,$$(@F)'
2536         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2537         network_extralibs="-lsocket -lnsl"
2538         add_cppflags -D__EXTENSIONS__
2539         # When using suncc to build, the Solaris linker will mark
2540         # an executable with each instruction set encountered by
2541         # the Solaris assembler.  As our libraries contain their own
2542         # guards for processor-specific code, instead suppress
2543         # generation of the HWCAPS ELF section on Solaris x86 only.
2544         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2545         nm_opts='-P -g'
2546         ;;
2547     netbsd)
2548         disable symver
2549         oss_indev_extralibs="-lossaudio"
2550         oss_outdev_extralibs="-lossaudio"
2551         ;;
2552     openbsd)
2553         enable malloc_aligned
2554         # On OpenBSD 4.5. the compiler does not use PIC unless
2555         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2556         # however the generated executable will not do anything
2557         # (simply quits with exit-code 1, no crash, no output).
2558         # Thus explicitly enable PIC here.
2559         enable pic
2560         disable symver
2561         SHFLAGS='-shared'
2562         oss_indev_extralibs="-lossaudio"
2563         oss_outdev_extralibs="-lossaudio"
2564         ;;
2565     dragonfly)
2566         enable malloc_aligned
2567         disable symver
2568         ;;
2569     freebsd)
2570         enable malloc_aligned
2571         ;;
2572     bsd/os)
2573         add_extralibs -lpoll -lgnugetopt
2574         strip="strip -d"
2575         ;;
2576     darwin)
2577         enable malloc_aligned
2578         gas="gas-preprocessor.pl $cc"
2579         enabled ppc && add_asflags -force_cpusubtype_ALL
2580         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2581         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2582         strip="${strip} -x"
2583         add_ldflags -Wl,-dynamic,-search_paths_first
2584         SLIBSUF=".dylib"
2585         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2586         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2587         FFSERVERLDFLAGS=-Wl,-bind_at_load
2588         objformat="macho"
2589         enabled x86_64 && objformat="macho64"
2590         enabled_any pic shared ||
2591             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2592         ;;
2593     mingw32*)
2594         if test $target_os = "mingw32ce"; then
2595             disable network
2596         else
2597             target_os=mingw32
2598         fi
2599         LIBTARGET=i386
2600         if enabled x86_64; then
2601             enable malloc_aligned
2602             LIBTARGET=x64
2603         elif enabled arm; then
2604             LIBTARGET=arm-wince
2605         fi
2606         shlibdir_default="$bindir_default"
2607         SLIBPREF=""
2608         SLIBSUF=".dll"
2609         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2610         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2611         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2612         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2613         SLIB_INSTALL_LINKS=
2614         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2615         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2616         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'
2617         objformat="win32"
2618         enable dos_paths
2619         check_cflags -fno-common
2620         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2621                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2622                 die "ERROR: MinGW runtime version must be >= 3.15."
2623         add_cppflags -U__STRICT_ANSI__
2624         ;;
2625     cygwin*)
2626         target_os=cygwin
2627         shlibdir_default="$bindir_default"
2628         SLIBPREF="cyg"
2629         SLIBSUF=".dll"
2630         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2631         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2632         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2633         objformat="win32"
2634         enable dos_paths
2635         check_cflags -fno-common
2636         add_cppflags -U__STRICT_ANSI__
2637         ;;
2638     *-dos|freedos|opendos)
2639         network_extralibs="-lsocket"
2640         objformat="coff"
2641         enable dos_paths
2642         add_cppflags -U__STRICT_ANSI__
2643         ;;
2644     linux)
2645         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2646         enable dv1394
2647         ;;
2648     irix*)
2649         target_os=irix
2650         ranlib="echo ignoring ranlib"
2651         ;;
2652     os/2*)
2653         strip="lxlite -CS"
2654         ln_s="cp -f"
2655         objformat="aout"
2656         add_cppflags -D_GNU_SOURCE
2657         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2658         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2659         FFSERVERLDFLAGS=""
2660         LIBSUF="_s.a"
2661         SLIBPREF=""
2662         SLIBSUF=".dll"
2663         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2664         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2665         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2666           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2667           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2668           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2669           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2670           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2671         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2672           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2673         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2674         enable dos_paths
2675         enable_weak os2threads
2676         ;;
2677     gnu/kfreebsd)
2678         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2679         ;;
2680     gnu)
2681         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2682         ;;
2683     qnx)
2684         add_cppflags -D_QNX_SOURCE
2685         network_extralibs="-lsocket"
2686         ;;
2687     symbian)
2688         SLIBSUF=".dll"
2689         enable dos_paths
2690         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2691         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2692         add_ldflags -Wl,--target1-abs,--no-undefined \
2693                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2694                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2695         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2696                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2697                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2698         ;;
2699     none)
2700         ;;
2701     *)
2702         die "Unknown OS '$target_os'."
2703         ;;
2704 esac
2705
2706 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2707
2708 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2709
2710 set_default $PATHS_LIST
2711
2712 # we need to build at least one lib type
2713 if ! enabled_any static shared; then
2714     cat <<EOF
2715 At least one library type must be built.
2716 Specify --enable-static to build the static libraries or --enable-shared to
2717 build the shared libraries as well. To only build the shared libraries specify
2718 --disable-static in addition to --enable-shared.
2719 EOF
2720     exit 1;
2721 fi
2722
2723 die_license_disabled() {
2724     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2725 }
2726
2727 die_license_disabled gpl libcdio
2728 die_license_disabled gpl libx264
2729 die_license_disabled gpl libxavs
2730 die_license_disabled gpl libxvid
2731 die_license_disabled gpl x11grab
2732
2733 die_license_disabled nonfree libaacplus
2734 die_license_disabled nonfree libfaac
2735 die_license_disabled nonfree openssl
2736
2737 die_license_disabled version3 libopencore_amrnb
2738 die_license_disabled version3 libopencore_amrwb
2739 die_license_disabled version3 libvo_aacenc
2740 die_license_disabled version3 libvo_amrwbenc
2741
2742 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2743
2744 disabled optimizations || check_cflags -fomit-frame-pointer
2745
2746 enable_pic() {
2747     enable pic
2748     add_cppflags -DPIC
2749     add_cflags   -fPIC
2750     add_asflags  -fPIC
2751 }
2752
2753 enabled pic && enable_pic
2754
2755 check_cc <<EOF || die "Symbol mangling check failed."
2756 int ff_extern;
2757 EOF
2758 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2759 extern_prefix=${sym%%ff_extern*}
2760
2761 check_cc <<EOF && enable inline_asm
2762 void foo(void) { __asm__ volatile ("" ::); }
2763 EOF
2764
2765 _restrict=
2766 for restrict_keyword in restrict __restrict__ __restrict; do
2767     check_cc <<EOF && _restrict=$restrict_keyword && break
2768 void foo(char * $restrict_keyword p);
2769 EOF
2770 done
2771
2772 check_cc <<EOF && enable attribute_packed
2773 struct { int x; } __attribute__((packed)) x;
2774 EOF
2775
2776 check_cc <<EOF && enable attribute_may_alias
2777 union { int x; } __attribute__((may_alias)) x;
2778 EOF
2779
2780 check_cc <<EOF || die "endian test failed"
2781 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2782 EOF
2783 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2784
2785 if enabled alpha; then
2786
2787     check_cflags -mieee
2788
2789 elif enabled arm; then
2790
2791     enabled thumb && check_cflags -mthumb || check_cflags -marm
2792     nogas=die
2793
2794     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2795         enable vfp_args
2796     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2797         case "${cross_prefix:-$cc}" in
2798             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2799             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2800 __asm__ (".eabi_attribute 28, 1");
2801 int main(void) { return 0; }
2802 EOF
2803         esac
2804         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2805     fi
2806
2807     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2808     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2809     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2810     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2811     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2812     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2813     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2814
2815     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2816
2817     enabled_all armv6t2 shared !pic && enable_pic
2818
2819 elif enabled mips; then
2820
2821     check_asm loongson '"dmult.g $1, $2, $3"'
2822     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2823
2824 elif enabled ppc; then
2825
2826     enable local_aligned_8 local_aligned_16
2827
2828     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2829     check_asm ibm_asm   '"add 0, 0, 0"'
2830     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2831     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2832
2833     # AltiVec flags: The FSF version of GCC differs from the Apple version
2834     if enabled altivec; then
2835         nogas=warn
2836         check_cflags -maltivec -mabi=altivec &&
2837         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2838         check_cflags -faltivec
2839
2840         # check if our compiler supports Motorola AltiVec C API
2841         check_cc <<EOF || disable altivec
2842 $inc_altivec_h
2843 int main(void) {
2844     vector signed int v1, v2, v3;
2845     v1 = vec_add(v2,v3);
2846     return 0;
2847 }
2848 EOF
2849
2850         # check if our compiler supports braces for vector declarations
2851         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2852 $inc_altivec_h
2853 int main (void) { (vector int) {1}; return 0; }
2854 EOF
2855     fi
2856
2857 elif enabled sparc; then
2858
2859     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2860         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2861
2862 elif enabled x86; then
2863
2864     enable local_aligned_8 local_aligned_16
2865
2866     # check whether EBP is available on x86
2867     # As 'i' is stored on the stack, this program will crash
2868     # if the base pointer is used to access it because the
2869     # base pointer is cleared in the inline assembly code.
2870     check_exec_crash <<EOF && enable ebp_available
2871     volatile int i=0;
2872     __asm__ volatile (
2873         "xorl %%ebp, %%ebp"
2874     ::: "%ebp");
2875     return i;
2876 EOF
2877
2878     # check whether EBX is available on x86
2879     check_asm ebx_available '""::"b"(0)' &&
2880         check_asm ebx_available '"":::"%ebx"'
2881
2882     # check whether xmm clobbers are supported
2883     check_asm xmm_clobbers '"":::"%xmm0"'
2884
2885     # check whether binutils is new enough to compile SSSE3/MMX2
2886     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2887     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2888
2889     if ! disabled_any asm mmx yasm; then
2890         if check_cmd $yasmexe --version; then
2891             enabled x86_64 && yasm_extra="-m amd64"
2892             yasm_debug="-g dwarf2"
2893         elif check_cmd nasm -v; then
2894             yasmexe=nasm
2895             yasm_debug="-g -F dwarf"
2896             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2897         fi
2898
2899         YASMFLAGS="-f $objformat $yasm_extra"
2900         enabled pic               && append YASMFLAGS "-DPIC"
2901         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2902         case "$objformat" in
2903             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2904         esac
2905
2906         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2907             die "yasm not found, use --disable-yasm for a crippled build"
2908         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2909     fi
2910
2911     case "$cpu" in
2912         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2913             disable fast_clz
2914         ;;
2915     esac
2916
2917 fi
2918
2919 if enabled asm; then
2920     as=${gas:=$as}
2921     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2922         $nogas "GNU assembler not found, install gas-preprocessor"
2923 fi
2924
2925 check_ldflags -Wl,--as-needed
2926
2927 if check_func dlopen; then
2928     ldl=
2929 elif check_func dlopen -ldl; then
2930     ldl=-ldl
2931 fi
2932
2933 if enabled network; then
2934     check_type "sys/types.h sys/socket.h" socklen_t
2935     check_type netdb.h "struct addrinfo"
2936     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2937     check_type netinet/in.h "struct sockaddr_in6"
2938     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2939     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2940     # Prefer arpa/inet.h over winsock2
2941     if check_header arpa/inet.h ; then
2942         check_func closesocket
2943     elif check_header winsock2.h ; then
2944         check_func_headers winsock2.h closesocket -lws2 && \
2945             network_extralibs="-lws2" || \
2946         { check_func_headers winsock2.h closesocket -lws2_32 && \
2947             network_extralibs="-lws2_32"; }
2948         check_type ws2tcpip.h socklen_t
2949         check_type ws2tcpip.h "struct addrinfo"
2950         check_type ws2tcpip.h "struct ipv6_mreq"
2951         check_type ws2tcpip.h "struct sockaddr_in6"
2952         check_type ws2tcpip.h "struct sockaddr_storage"
2953         check_struct winsock2.h "struct sockaddr" sa_len
2954     else
2955         disable network
2956     fi
2957 fi
2958
2959 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2960 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2961
2962 check_func  fcntl
2963 check_func  fork
2964 check_func  getaddrinfo $network_extralibs
2965 check_func  gethrtime
2966 check_func  getrusage
2967 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2968 check_func  inet_aton $network_extralibs
2969 check_func  isatty
2970 check_func  localtime_r
2971 check_func  ${malloc_prefix}memalign            && enable memalign
2972 check_func  mkstemp
2973 check_func  mmap
2974 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2975 check_func  setrlimit
2976 check_func  strerror_r
2977 check_func  strptime
2978 check_func_headers conio.h kbhit
2979 check_func_headers windows.h PeekNamedPipe
2980 check_func_headers io.h setmode
2981 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2982 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2983 check_func_headers windows.h GetProcessTimes
2984 check_func_headers windows.h MapViewOfFile
2985 check_func_headers windows.h VirtualAlloc
2986
2987 check_header dlfcn.h
2988 check_header dxva2api.h -D_WIN32_WINNT=0x0600
2989 check_header libcrystalhd/libcrystalhd_if.h
2990 check_header malloc.h
2991 check_header poll.h
2992 check_header sys/mman.h
2993 check_header sys/resource.h
2994 check_header sys/select.h
2995 check_header termios.h
2996 check_header vdpau/vdpau.h
2997 check_header vdpau/vdpau_x11.h
2998 check_header X11/extensions/XvMClib.h
2999 check_header asm/types.h
3000
3001 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3002 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3003
3004 # check for VDA header
3005 if ! disabled vda; then
3006     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3007         enable vda
3008         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3009     fi
3010 fi
3011
3012 if ! disabled w32threads && ! enabled pthreads; then
3013     check_func _beginthreadex && enable w32threads
3014 fi
3015
3016 # check for some common methods of building with pthread support
3017 # do this before the optional library checks as some of them require pthreads
3018 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3019     enable pthreads
3020     if check_func pthread_create; then
3021         :
3022     elif check_func pthread_create -pthread; then
3023         add_cflags -pthread
3024         add_extralibs -pthread
3025     elif check_func pthread_create -pthreads; then
3026         add_cflags -pthreads
3027         add_extralibs -pthreads
3028     elif check_func pthread_create -lpthreadGC2; then
3029         add_extralibs -lpthreadGC2
3030     elif ! check_lib pthread.h pthread_create -lpthread; then
3031         disable pthreads
3032     fi
3033 fi
3034
3035 for thread in $THREADS_LIST; do
3036     if enabled $thread; then
3037         test -n "$thread_type" &&
3038             die "ERROR: Only one thread type must be selected." ||
3039             thread_type="$thread"
3040     fi
3041 done
3042
3043 check_lib math.h sin -lm && LIBM="-lm"
3044 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3045 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3046
3047 check_mathfunc cbrtf
3048 check_mathfunc exp2
3049 check_mathfunc exp2f
3050 check_mathfunc llrint
3051 check_mathfunc llrintf
3052 check_mathfunc log2
3053 check_mathfunc log2f
3054 check_mathfunc lrint
3055 check_mathfunc lrintf
3056 check_mathfunc round
3057 check_mathfunc roundf
3058 check_mathfunc trunc
3059 check_mathfunc truncf
3060
3061 # these are off by default, so fail if requested and not available
3062 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3063 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3064 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3065 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3066 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3067 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0
3068 enabled libdc1394  && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
3069 enabled libdirac   && require_pkg_config dirac                          \
3070     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
3071     "dirac_decoder_init dirac_encoder_init"
3072 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3073 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3074 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3075 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3076 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3077 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3078 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3079 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3080 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3081 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3082 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3083 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3084 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3085 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3086 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3087     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3088     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3089 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3090 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3091 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3092 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3093 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3094 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3095 enabled libvpx     && {
3096     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3097                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3098     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3099                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3100 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3101                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3102                         die "ERROR: libx264 version must be >= 0.118."; }
3103 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3104 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3105 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3106                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3107                         die "ERROR: openal not found"; } &&
3108                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3109                         die "ERROR: openal version must be 1.1 or compatible"; }
3110 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
3111 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3112                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3113                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3114                         die "ERROR: openssl not found"; }
3115
3116 SDL_CONFIG="${cross_prefix}sdl-config"
3117 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3118     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3119     enable sdl &&
3120     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3121 else
3122   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3123     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3124     sdl_libs=$("${SDL_CONFIG}" --libs)
3125     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3126     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3127     enable sdl &&
3128     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3129   fi
3130 fi
3131 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3132
3133 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3134
3135 check_header linux/fb.h
3136 check_header linux/videodev.h
3137 check_header linux/videodev2.h
3138 check_header sys/videoio.h
3139
3140 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3141 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3142 # w32api 3.12 had it defined wrong
3143 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3144
3145 check_type "dshow.h" IBaseFilter
3146
3147 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3148 { check_header dev/bktr/ioctl_meteor.h &&
3149   check_header dev/bktr/ioctl_bt848.h; } ||
3150 { check_header machine/ioctl_meteor.h &&
3151   check_header machine/ioctl_bt848.h; } ||
3152 { check_header dev/video/meteor/ioctl_meteor.h &&
3153   check_header dev/video/bktr/ioctl_bt848.h; } ||
3154 check_header dev/ic/bt8xx.h
3155
3156 check_header sndio.h
3157 if check_struct sys/soundcard.h audio_buf_info bytes; then
3158     enable_safe sys/soundcard.h
3159 else
3160     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3161     #include <sys/soundcard.h>
3162     audio_buf_info abc;
3163 EOF
3164 fi
3165 check_header soundcard.h
3166
3167 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3168
3169 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3170
3171 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3172
3173 enabled libcdio &&
3174     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3175
3176 enabled x11grab                         &&
3177 check_header X11/Xlib.h                 &&
3178 check_header X11/extensions/XShm.h      &&
3179 check_header X11/extensions/Xfixes.h    &&
3180 check_func XOpenDisplay -lX11           &&
3181 check_func XShmCreateImage -lX11 -lXext &&
3182 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3183
3184 if ! disabled vaapi; then
3185     check_lib va/va.h vaInitialize -lva && {
3186         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3187         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3188     } || disable vaapi
3189 fi
3190
3191 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3192 check_cpp_condition \
3193     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3194     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3195       disable vdpau; }
3196 fi
3197
3198 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3199 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3200
3201 # add some useful compiler flags if supported
3202 check_cflags -Wdeclaration-after-statement
3203 check_cflags -Wall
3204 check_cflags -Wno-parentheses
3205 check_cflags -Wno-switch
3206 check_cflags -Wno-format-zero-length
3207 check_cflags -Wdisabled-optimization
3208 check_cflags -Wpointer-arith
3209 check_cflags -Wredundant-decls
3210 check_cflags -Wno-pointer-sign
3211 check_cflags -Wcast-qual
3212 check_cflags -Wwrite-strings
3213 check_cflags -Wtype-limits
3214 check_cflags -Wundef
3215 check_cflags -Wmissing-prototypes
3216 check_cflags -Wno-pointer-to-int-cast
3217 check_cflags -Wstrict-prototypes
3218 enabled extra_warnings && check_cflags -Winline
3219
3220 # add some linker flags
3221 check_ldflags -Wl,--warn-common
3222 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3223 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3224
3225 echo "X{};" > $TMPV
3226 if test_ldflags -Wl,--version-script,$TMPV; then
3227     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3228     check_cc <<EOF && enable symver_asm_label
3229 void ff_foo(void) __asm__ ("av_foo@VERSION");
3230 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3231 EOF
3232     check_cc <<EOF && enable symver_gnu_asm
3233 __asm__(".symver ff_foo,av_foo@VERSION");
3234 void ff_foo(void) {}
3235 EOF
3236 fi
3237
3238 if [ -n "$optflags" ]; then
3239     add_cflags $optflags
3240 elif enabled small; then
3241     add_cflags $size_cflags
3242 elif enabled optimizations; then
3243     add_cflags $speed_cflags
3244 else
3245     add_cflags $noopt_cflags
3246 fi
3247 check_cflags -fno-math-errno
3248 check_cflags -fno-signed-zeros
3249 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3250 int x;
3251 EOF
3252
3253
3254 if enabled icc; then
3255     # Just warnings, no remarks
3256     check_cflags -w1
3257     # -wd: Disable following warnings
3258     # 144, 167, 556: -Wno-pointer-sign
3259     # 1292: attribute "foo" ignored
3260     # 10006: ignoring unknown option -fno-signed-zeros
3261     # 10148: ignoring unknown option -Wno-parentheses
3262     # 10156: ignoring option '-W'; no argument required
3263     check_cflags -wd144,167,556,1292,10006,10148,10156
3264     # 11030: Warning unknown option --as-needed
3265     # 10156: ignoring option '-export'; no argument required
3266     check_ldflags -wd10156,11030
3267     # Allow to compile with optimizations
3268     check_ldflags -march=$cpu
3269     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3270     enable ebp_available
3271     if enabled x86_32; then
3272         test ${icc_version%%.*} -ge 11 && \
3273             check_cflags -falign-stack=maintain-16-byte || \
3274             disable aligned_stack
3275     fi
3276 elif enabled ccc; then
3277     # disable some annoying warnings
3278     add_cflags -msg_disable cvtu32to64
3279     add_cflags -msg_disable embedcomment
3280     add_cflags -msg_disable needconstext
3281     add_cflags -msg_disable nomainieee
3282     add_cflags -msg_disable ptrmismatch1
3283     add_cflags -msg_disable unreachcode
3284 elif enabled gcc; then
3285     check_cflags -fno-tree-vectorize
3286     check_cflags -Werror=implicit-function-declaration
3287     check_cflags -Werror=missing-prototypes
3288 elif enabled llvm_gcc; then
3289     check_cflags -mllvm -stack-alignment=16
3290 elif enabled clang; then
3291     check_cflags -mllvm -stack-alignment=16
3292     check_cflags -Qunused-arguments
3293 elif enabled armcc; then
3294     # 2523: use of inline assembler is deprecated
3295     add_cflags -W${armcc_opt},--diag_suppress=2523
3296     add_cflags -W${armcc_opt},--diag_suppress=1207
3297     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3298     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3299     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3300     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3301 elif enabled tms470; then
3302     add_cflags -pds=824 -pds=837
3303 elif enabled pathscale; then
3304     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3305 fi
3306
3307 enabled_any $THREADS_LIST      && enable threads
3308
3309 check_deps $CONFIG_LIST       \
3310            $CONFIG_EXTRA      \
3311            $HAVE_LIST         \
3312            $DECODER_LIST      \
3313            $ENCODER_LIST      \
3314            $HWACCEL_LIST      \
3315            $PARSER_LIST       \
3316            $BSF_LIST          \
3317            $DEMUXER_LIST      \
3318            $MUXER_LIST        \
3319            $FILTER_LIST       \
3320            $INDEV_LIST        \
3321            $OUTDEV_LIST       \
3322            $PROTOCOL_LIST     \
3323            $ACODEC_TESTS      \
3324            $VCODEC_TESTS      \
3325            $LAVF_TESTS        \
3326            $LAVFI_TESTS       \
3327            $SEEK_TESTS        \
3328
3329 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3330
3331 if test $target_os = "haiku"; then
3332     disable memalign
3333     disable posix_memalign
3334 fi
3335
3336 ! enabled_any memalign posix_memalign malloc_aligned &&
3337     enabled_any $need_memalign && enable memalign_hack
3338
3339 echo "install prefix            $prefix"
3340 echo "source path               $source_path"
3341 echo "C compiler                $cc"
3342 echo "ARCH                      $arch ($cpu)"
3343 if test "$build_suffix" != ""; then
3344     echo "build suffix              $build_suffix"
3345 fi
3346 if test "$progs_suffix" != ""; then
3347     echo "progs suffix              $progs_suffix"
3348 fi
3349 if test "$extra_version" != ""; then
3350     echo "version string suffix     $extra_version"
3351 fi
3352 echo "big-endian                ${bigendian-no}"
3353 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3354 if enabled x86; then
3355     echo "${yasmexe}                      ${yasm-no}"
3356     echo "MMX enabled               ${mmx-no}"
3357     echo "MMX2 enabled              ${mmx2-no}"
3358     echo "3DNow! enabled            ${amd3dnow-no}"
3359     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3360     echo "SSE enabled               ${sse-no}"
3361     echo "SSSE3 enabled             ${ssse3-no}"
3362     echo "AVX enabled               ${avx-no}"
3363     echo "CMOV enabled              ${cmov-no}"
3364     echo "CMOV is fast              ${fast_cmov-no}"
3365     echo "EBX available             ${ebx_available-no}"
3366     echo "EBP available             ${ebp_available-no}"
3367 fi
3368 if enabled arm; then
3369     echo "ARMv5TE enabled           ${armv5te-no}"
3370     echo "ARMv6 enabled             ${armv6-no}"
3371     echo "ARMv6T2 enabled           ${armv6t2-no}"
3372     echo "ARM VFP enabled           ${armvfp-no}"
3373     echo "IWMMXT enabled            ${iwmmxt-no}"
3374     echo "NEON enabled              ${neon-no}"
3375 fi
3376 if enabled mips; then
3377     echo "MMI enabled               ${mmi-no}"
3378 fi
3379 if enabled ppc; then
3380     echo "AltiVec enabled           ${altivec-no}"
3381     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3382     echo "dcbzl available           ${dcbzl-no}"
3383 fi
3384 if enabled sparc; then
3385     echo "VIS enabled               ${vis-no}"
3386 fi
3387 echo "debug symbols             ${debug-no}"
3388 echo "strip symbols             ${stripping-no}"
3389 echo "optimize for size         ${small-no}"
3390 echo "optimizations             ${optimizations-no}"
3391 echo "static                    ${static-no}"
3392 echo "shared                    ${shared-no}"
3393 echo "postprocessing support    ${postproc-no}"
3394 echo "new filter support        ${avfilter-no}"
3395 echo "network support           ${network-no}"
3396 echo "threading support         ${thread_type-no}"
3397 echo "SDL support               ${sdl-no}"
3398 echo "Sun medialib support      ${mlib-no}"
3399 echo "libdxva2 enabled          ${dxva2-no}"
3400 echo "libva enabled             ${vaapi-no}"
3401 echo "libvdpau enabled          ${vdpau-no}"
3402 echo "AVISynth enabled          ${avisynth-no}"
3403 echo "frei0r enabled            ${frei0r-no}"
3404 echo "gnutls enabled            ${gnutls-no}"
3405 echo "libaacplus enabled        ${libaacplus-no}"
3406 echo "libass enabled            ${libass-no}"
3407 echo "libcdio support           ${libcdio-no}"
3408 echo "libcelt enabled           ${libcelt-no}"
3409 echo "libdc1394 support         ${libdc1394-no}"
3410 echo "libdirac enabled          ${libdirac-no}"
3411 echo "libfaac enabled           ${libfaac-no}"
3412 echo "libgsm enabled            ${libgsm-no}"
3413 echo "libmodplug enabled        ${libmodplug-no}"
3414 echo "libmp3lame enabled        ${libmp3lame-no}"
3415 echo "libnut enabled            ${libnut-no}"
3416 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3417 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3418 echo "libopencv support         ${libopencv-no}"
3419 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3420 echo "libpulse enabled          ${libpulse-no}"
3421 echo "librtmp enabled           ${librtmp-no}"
3422 echo "libschroedinger enabled   ${libschroedinger-no}"
3423 echo "libspeex enabled          ${libspeex-no}"
3424 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3425 echo "libtheora enabled         ${libtheora-no}"
3426 echo "libutvideo enabled        ${libutvideo-no}"
3427 echo "libv4l2 enabled           ${libv4l2-no}"
3428 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3429 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3430 echo "libvorbis enabled         ${libvorbis-no}"
3431 echo "libvpx enabled            ${libvpx-no}"
3432 echo "libx264 enabled           ${libx264-no}"
3433 echo "libxavs enabled           ${libxavs-no}"
3434 echo "libxvid enabled           ${libxvid-no}"
3435 echo "openal enabled            ${openal-no}"
3436 echo "openssl enabled           ${openssl-no}"
3437 echo "zlib enabled              ${zlib-no}"
3438 echo "bzlib enabled             ${bzlib-no}"
3439 echo
3440
3441 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3442     echo "Enabled ${type}s:"
3443     eval list=\$$(toupper $type)_LIST
3444     print_enabled '_*' $list | sort | pr -r -3 -t
3445     echo
3446 done
3447
3448 license="LGPL version 2.1 or later"
3449 if enabled nonfree; then
3450     license="nonfree and unredistributable"
3451 elif enabled gplv3; then
3452     license="GPL version 3 or later"
3453 elif enabled lgplv3; then
3454     license="LGPL version 3 or later"
3455 elif enabled gpl; then
3456     license="GPL version 2 or later"
3457 fi
3458
3459 echo "License: $license"
3460
3461 echo "Creating config.mak and config.h..."
3462
3463 test -e Makefile || $ln_s "$source_path/Makefile" .
3464
3465 enabled stripping || strip="echo skipping strip"
3466
3467 config_files="$TMPH config.mak"
3468
3469 cat > config.mak <<EOF
3470 # Automatically generated by configure - do not modify!
3471 ifndef FFMPEG_CONFIG_MAK
3472 FFMPEG_CONFIG_MAK=1
3473 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3474 prefix=$prefix
3475 LIBDIR=\$(DESTDIR)$libdir
3476 SHLIBDIR=\$(DESTDIR)$shlibdir
3477 INCDIR=\$(DESTDIR)$incdir
3478 BINDIR=\$(DESTDIR)$bindir
3479 DATADIR=\$(DESTDIR)$datadir
3480 MANDIR=\$(DESTDIR)$mandir
3481 SRC_PATH=$source_path
3482 ifndef MAIN_MAKEFILE
3483 SRC_PATH:=\$(SRC_PATH:.%=..%)
3484 endif
3485 CC_IDENT=$cc_ident
3486 ARCH=$arch
3487 CC=$cc
3488 CXX=$cxx
3489 AS=$as
3490 LD=$ld
3491 DEPCC=$dep_cc
3492 YASM=$yasmexe
3493 YASMDEP=$yasmexe
3494 AR=$ar
3495 RANLIB=$ranlib
3496 CP=cp -p
3497 LN_S=$ln_s
3498 STRIP=$strip
3499 CPPFLAGS=$CPPFLAGS
3500 CFLAGS=$CFLAGS
3501 CXXFLAGS=$CXXFLAGS
3502 ASFLAGS=$ASFLAGS
3503 AS_O=$CC_O
3504 CC_O=$CC_O
3505 CXX_O=$CXX_O
3506 LDFLAGS=$LDFLAGS
3507 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3508 SHFLAGS=$SHFLAGS
3509 YASMFLAGS=$YASMFLAGS
3510 BUILDSUF=$build_suffix
3511 PROGSSUF=$progs_suffix
3512 FULLNAME=$FULLNAME
3513 LIBPREF=$LIBPREF
3514 LIBSUF=$LIBSUF
3515 LIBNAME=$LIBNAME
3516 SLIBPREF=$SLIBPREF
3517 SLIBSUF=$SLIBSUF
3518 EXESUF=$EXESUF
3519 EXTRA_VERSION=$extra_version
3520 DEPFLAGS=$DEPFLAGS
3521 CCDEP=$CCDEP
3522 CXXDEP=$CXXDEP
3523 ASDEP=$ASDEP
3524 CC_DEPFLAGS=$CC_DEPFLAGS
3525 AS_DEPFLAGS=$AS_DEPFLAGS
3526 HOSTCC=$host_cc
3527 HOSTCFLAGS=$host_cflags
3528 HOSTEXESUF=$HOSTEXESUF
3529 HOSTLDFLAGS=$host_ldflags
3530 HOSTLIBS=$host_libs
3531 TARGET_EXEC=$target_exec
3532 TARGET_PATH=$target_path
3533 SDL_LIBS=$sdl_libs
3534 SDL_CFLAGS=$sdl_cflags
3535 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3536 EXTRALIBS=$extralibs
3537 INSTALL=$install
3538 LIBTARGET=${LIBTARGET}
3539 SLIBNAME=${SLIBNAME}
3540 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3541 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3542 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3543 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3544 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3545 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3546 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3547 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3548 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3549 NOREDZONE_FLAGS=$noredzone_flags
3550 EOF
3551
3552 get_version(){
3553     name=$1
3554     file=$source_path/$2
3555     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3556     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3557     lcname=$(tolower $name)
3558     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3559     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3560 }
3561
3562 get_version LIBAVCODEC  libavcodec/version.h
3563 get_version LIBAVDEVICE libavdevice/avdevice.h
3564 get_version LIBAVFILTER libavfilter/avfilter.h
3565 get_version LIBAVFORMAT libavformat/version.h
3566 get_version LIBAVUTIL   libavutil/avutil.h
3567 get_version LIBPOSTPROC libpostproc/postprocess.h
3568 get_version LIBSWRESAMPLE libswresample/swresample.h
3569 get_version LIBSWSCALE  libswscale/swscale.h
3570
3571 cat > $TMPH <<EOF
3572 /* Automatically generated by configure - do not modify! */
3573 #ifndef FFMPEG_CONFIG_H
3574 #define FFMPEG_CONFIG_H
3575 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3576 #define FFMPEG_LICENSE "$(c_escape $license)"
3577 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3578 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3579 #define CC_TYPE "$cc_type"
3580 #define CC_VERSION $cc_version
3581 #define restrict $_restrict
3582 #define EXTERN_PREFIX "${extern_prefix}"
3583 #define EXTERN_ASM ${extern_prefix}
3584 #define SLIBSUF "$SLIBSUF"
3585 EOF
3586
3587 test -n "$malloc_prefix" &&
3588     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3589
3590 if enabled small || disabled optimizations; then
3591     echo "#undef  av_always_inline"  >> $TMPH
3592     if enabled small; then
3593         echo "#define av_always_inline inline"  >> $TMPH
3594     else
3595         echo "#define av_always_inline av_unused"  >> $TMPH
3596     fi
3597 fi
3598
3599 if enabled yasm; then
3600     append config_files $TMPASM
3601     printf '' >$TMPASM
3602 fi
3603
3604 print_config ARCH_   "$config_files" $ARCH_LIST
3605 print_config HAVE_   "$config_files" $HAVE_LIST
3606 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3607                                      $CONFIG_EXTRA      \
3608                                      $DECODER_LIST      \
3609                                      $ENCODER_LIST      \
3610                                      $HWACCEL_LIST      \
3611                                      $PARSER_LIST       \
3612                                      $BSF_LIST          \
3613                                      $DEMUXER_LIST      \
3614                                      $MUXER_LIST        \
3615                                      $FILTER_LIST       \
3616                                      $PROTOCOL_LIST     \
3617                                      $INDEV_LIST        \
3618                                      $OUTDEV_LIST       \
3619
3620 cat >>config.mak <<EOF
3621 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3622 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3623 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3624 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3625 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3626 EOF
3627
3628 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3629 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3630
3631 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3632 cp_if_changed $TMPH config.h
3633 touch .config
3634
3635 enabled yasm && cp_if_changed $TMPASM config.asm
3636
3637 cat > $TMPH <<EOF
3638 /* Generated by ffconf */
3639 #ifndef AVUTIL_AVCONFIG_H
3640 #define AVUTIL_AVCONFIG_H
3641 EOF
3642
3643 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3644
3645 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3646
3647 cp_if_changed $TMPH libavutil/avconfig.h
3648
3649 test -n "$WARNINGS" && printf "\n$WARNINGS"
3650
3651 # build pkg-config files
3652
3653 pkgconfig_generate(){
3654 name=$1
3655 shortname=${name#lib}${build_suffix}
3656 comment=$2
3657 version=$3
3658 libs=$4
3659 requires=$5
3660 enabled ${name#lib} || return 0
3661 mkdir -p $name
3662 cat <<EOF > $name/$name.pc
3663 prefix=$prefix
3664 exec_prefix=\${prefix}
3665 libdir=$libdir
3666 includedir=$incdir
3667
3668 Name: $name
3669 Description: $comment
3670 Version: $version
3671 Requires: $(enabled shared || echo $requires)
3672 Requires.private: $(enabled shared && echo $requires)
3673 Conflicts:
3674 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3675 Libs.private: $(enabled shared && echo $libs)
3676 Cflags: -I\${includedir}
3677 EOF
3678 cat <<EOF > $name/$name-uninstalled.pc
3679 prefix=
3680 exec_prefix=
3681 libdir=\${pcfiledir}
3682 includedir=${source_path}
3683
3684 Name: $name
3685 Description: $comment
3686 Version: $version
3687 Requires: $requires
3688 Conflicts:
3689 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3690 Cflags: -I\${includedir}
3691 EOF
3692 }
3693
3694 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3695 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3696 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3697 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3698 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3699 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3700 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3701 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"