Merge remote-tracking branch 'qatar/master'
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18     echo "Trying shell $1"
19     type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30     echo "Broken shell detected.  Trying alternatives."
31     export FF_CONF_EXEC
32     if test "0$FF_CONF_EXEC" -lt 1; then
33         FF_CONF_EXEC=1
34         try_exec bash "$0" "$@"
35     fi
36     if test "0$FF_CONF_EXEC" -lt 2; then
37         FF_CONF_EXEC=2
38         try_exec ksh "$0" "$@"
39     fi
40     if test "0$FF_CONF_EXEC" -lt 3; then
41         FF_CONF_EXEC=3
42         try_exec /usr/xpg4/bin/sh "$0" "$@"
43     fi
44     echo "No compatible shell script interpreter found."
45     echo "This configure script requires a POSIX-compatible shell"
46     echo "such as bash or ksh."
47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48     echo "Instead, install a working POSIX-compatible shell."
49     echo "Disabling this configure test will create a broken FFmpeg."
50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51         echo "This bash version ($BASH_VERSION) is broken on your platform."
52         echo "Upgrade to a later version if available."
53     fi
54     exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Standard options:
63   --help                   print this message
64   --logfile=FILE           log tests and output to FILE [config.log]
65   --disable-logging        do not log configure debug information
66   --prefix=PREFIX          install in PREFIX [$prefix]
67   --bindir=DIR             install binaries in DIR [PREFIX/bin]
68   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
69   --libdir=DIR             install libs in DIR [PREFIX/lib]
70   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
71   --incdir=DIR             install includes in DIR [PREFIX/include]
72   --mandir=DIR             install man page in DIR [PREFIX/share/man]
73
74 Configuration options:
75   --disable-static         do not build static libraries [no]
76   --enable-shared          build shared libraries [no]
77   --enable-gpl             allow use of GPL code, the resulting libs
78                            and binaries will be under GPL [no]
79   --enable-version3        upgrade (L)GPL to version 3 [no]
80   --enable-nonfree         allow use of nonfree code, the resulting libs
81                            and binaries will be unredistributable [no]
82   --disable-doc            do not build documentation
83   --disable-ffmpeg         disable ffmpeg build
84   --enable-avconv          enable  avconv build
85   --disable-ffplay         disable ffplay build
86   --disable-ffprobe        disable ffprobe build
87   --disable-ffserver       disable ffserver build
88   --disable-avdevice       disable libavdevice build
89   --disable-avcodec        disable libavcodec build
90   --disable-avformat       disable libavformat build
91   --disable-swresample     disable libswresample build
92   --disable-swscale        disable libswscale build
93   --disable-postproc       disable libpostproc build
94   --disable-avfilter       disable video filter support [no]
95   --disable-pthreads       disable pthreads [auto]
96   --disable-w32threads     disable Win32 threads [auto]
97   --disable-os2threads     disable OS/2 threads [auto]
98   --enable-x11grab         enable X11 grabbing [no]
99   --disable-network        disable network support [no]
100   --enable-gray            enable full grayscale support (slower color)
101   --disable-swscale-alpha  disable alpha channel support in swscale
102   --disable-fastdiv        disable table-based division
103   --enable-small           optimize for size instead of speed
104   --disable-aandct         disable AAN DCT code
105   --disable-dct            disable DCT code
106   --disable-fft            disable FFT code
107   --disable-golomb         disable Golomb code
108   --disable-huffman        disable Huffman code
109   --disable-lpc            disable LPC code
110   --disable-mdct           disable MDCT code
111   --disable-rdft           disable RDFT code
112   --enable-vaapi           enable VAAPI code [autodetect]
113   --enable-vda             enable VDA code [autodetect]
114   --enable-vdpau           enable VDPAU code [autodetect]
115   --disable-dxva2          disable DXVA2 code
116   --disable-vda            disable VDA code
117   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
118   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
119   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
120   --disable-everything     disable all components listed below
121   --disable-encoder=NAME   disable encoder NAME
122   --enable-encoder=NAME    enable encoder NAME
123   --disable-encoders       disable all encoders
124   --disable-decoder=NAME   disable decoder NAME
125   --enable-decoder=NAME    enable decoder NAME
126   --disable-decoders       disable all decoders
127   --disable-hwaccel=NAME   disable hwaccel NAME
128   --enable-hwaccel=NAME    enable hwaccel NAME
129   --disable-hwaccels       disable all hwaccels
130   --disable-muxer=NAME     disable muxer NAME
131   --enable-muxer=NAME      enable muxer NAME
132   --disable-muxers         disable all muxers
133   --disable-demuxer=NAME   disable demuxer NAME
134   --enable-demuxer=NAME    enable demuxer NAME
135   --disable-demuxers       disable all demuxers
136   --enable-parser=NAME     enable parser NAME
137   --disable-parser=NAME    disable parser NAME
138   --disable-parsers        disable all parsers
139   --enable-bsf=NAME        enable bitstream filter NAME
140   --disable-bsf=NAME       disable bitstream filter NAME
141   --disable-bsfs           disable all bitstream filters
142   --enable-protocol=NAME   enable protocol NAME
143   --disable-protocol=NAME  disable protocol NAME
144   --disable-protocols      disable all protocols
145   --disable-indev=NAME     disable input device NAME
146   --disable-outdev=NAME    disable output device NAME
147   --disable-indevs         disable input devices
148   --disable-outdevs        disable output devices
149   --disable-devices        disable all devices
150   --enable-filter=NAME     enable filter NAME
151   --disable-filter=NAME    disable filter NAME
152   --disable-filters        disable all filters
153   --list-decoders          show all available decoders
154   --list-encoders          show all available encoders
155   --list-hwaccels          show all available hardware accelerators
156   --list-muxers            show all available muxers
157   --list-demuxers          show all available demuxers
158   --list-parsers           show all available parsers
159   --list-protocols         show all available protocols
160   --list-bsfs              show all available bitstream filters
161   --list-indevs            show all available input devices
162   --list-outdevs           show all available output devices
163   --list-filters           show all available filters
164
165 External library support:
166   --enable-avisynth        enable reading of AVISynth script files [no]
167   --enable-bzlib           enable bzlib [autodetect]
168   --enable-frei0r          enable frei0r video filtering
169   --enable-gnutls          enable gnutls [no]
170   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
171   --enable-libass          enable libass subtitles rendering [no]
172   --enable-libcelt         enable CELT decoding via libcelt [no]
173   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
174   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
175   --enable-libopencv       enable video filtering via libopencv [no]
176   --enable-libcdio         enable audio CD grabbing with libcdio
177   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
178                            and libraw1394 [no]
179   --enable-libdirac        enable Dirac support via libdirac [no]
180   --enable-libfaac         enable FAAC support via libfaac [no]
181   --enable-libfreetype     enable libfreetype [no]
182   --enable-libgsm          enable GSM support via libgsm [no]
183   --enable-libmodplug      enable ModPlug via libmodplug [no]
184   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
185   --enable-libnut          enable NUT (de)muxing via libnut,
186                            native (de)muxer exists [no]
187   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
188   --enable-libpulse        enable Pulseaudio input via libpulse [no]
189   --enable-librtmp         enable RTMP[E] support via librtmp [no]
190   --enable-libschroedinger enable Dirac support via libschroedinger [no]
191   --enable-libspeex        enable Speex support via libspeex [no]
192   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
193   --enable-libtheora       enable Theora encoding via libtheora [no]
194   --enable-libutvideo      enable Ut Video decoding via libutvideo [no]
195   --enable-libv4l2         enable libv4l2/v4l-utils [no]
196   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
197   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
198   --enable-libvorbis       enable Vorbis encoding via libvorbis,
199                            native implementation exists [no]
200   --enable-libvpx          enable VP8 support via libvpx [no]
201   --enable-libx264         enable H.264 encoding via x264 [no]
202   --enable-libxavs         enable AVS encoding via xavs [no]
203   --enable-libxvid         enable Xvid encoding via xvidcore,
204                            native MPEG-4/Xvid encoder exists [no]
205   --enable-openal          enable OpenAL 1.1 capture support [no]
206   --enable-mlib            enable Sun medialib [no]
207   --enable-openssl         enable openssl [no]
208   --enable-zlib            enable zlib [autodetect]
209
210 Advanced options (experts only):
211   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
212   --enable-cross-compile   assume a cross-compiler is used
213   --sysroot=PATH           root of cross-build tree
214   --sysinclude=PATH        location of cross-build system headers
215   --target-os=OS           compiler targets OS [$target_os]
216   --target-exec=CMD        command to run executables on target
217   --target-path=DIR        path to view of build directory on target
218   --nm=NM                  use nm tool
219   --ar=AR                  use archive tool AR [$ar_default]
220   --as=AS                  use assembler AS [$as_default]
221   --cc=CC                  use C compiler CC [$cc_default]
222   --cxx=CXX                use C compiler CXX [$cxx_default]
223   --ld=LD                  use linker LD
224   --host-cc=HOSTCC         use host C compiler HOSTCC
225   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
226   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
227   --host-libs=HLIBS        use libs HLIBS when linking for host
228   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
229   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
230   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
231   --extra-libs=ELIBS       add ELIBS [$ELIBS]
232   --extra-version=STRING   version string suffix []
233   --build-suffix=SUFFIX    library name suffix []
234   --progs-suffix=SUFFIX    program name suffix []
235   --arch=ARCH              select architecture [$arch]
236   --cpu=CPU                select the minimum required CPU (affects
237                            instruction selection, may crash on older CPUs)
238   --disable-asm            disable all assembler optimizations
239   --disable-altivec        disable AltiVec optimizations
240   --disable-amd3dnow       disable 3DNow! optimizations
241   --disable-amd3dnowext    disable 3DNow! extended optimizations
242   --disable-mmx            disable MMX optimizations
243   --disable-mmx2           disable MMX2 optimizations
244   --disable-sse            disable SSE optimizations
245   --disable-ssse3          disable SSSE3 optimizations
246   --disable-avx            disable AVX optimizations
247   --disable-armv5te        disable armv5te optimizations
248   --disable-armv6          disable armv6 optimizations
249   --disable-armv6t2        disable armv6t2 optimizations
250   --disable-armvfp         disable ARM VFP optimizations
251   --disable-iwmmxt         disable iwmmxt optimizations
252   --disable-mmi            disable MMI optimizations
253   --disable-neon           disable neon optimizations
254   --disable-vis            disable VIS optimizations
255   --disable-yasm           disable use of yasm assembler
256   --enable-pic             build position-independent code
257   --malloc-prefix=PFX      prefix malloc and related names with PFX
258   --enable-sram            allow use of on-chip SRAM
259   --disable-symver         disable symbol versioning
260   --optflags               override optimization-related compiler flags
261
262 Developer options (useful when working on FFmpeg itself):
263   --enable-coverage        build with test coverage instrumentation
264   --disable-debug          disable debugging symbols
265   --enable-debug=LEVEL     set the debug level [$debuglevel]
266   --disable-optimizations  disable compiler optimizations
267   --enable-extra-warnings  enable more compiler warnings
268   --disable-stripping      disable stripping of executables and shared libraries
269   --samples=PATH           location of test samples for FATE, if not set use
270                            \$FATE_SAMPLES at make invocation time.
271
272 NOTE: Object files are built at the place where configure is launched.
273 EOF
274   exit 0
275 }
276
277 quotes='""'
278
279 log(){
280     echo "$@" >> $logfile
281 }
282
283 log_file(){
284     log BEGIN $1
285     pr -n -t $1 >> $logfile
286     log END $1
287 }
288
289 echolog(){
290     log "$@"
291     echo "$@"
292 }
293
294 warn(){
295     log "WARNING: $*"
296     WARNINGS="${WARNINGS}WARNING: $*\n"
297 }
298
299 die(){
300     echolog "$@"
301     cat <<EOF
302
303 If you think configure made a mistake, make sure you are using the latest
304 version from Git.  If the latest version fails, report the problem to the
305 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
306 EOF
307     if disabled logging; then
308         cat <<EOF
309 Rerun configure with logging enabled (do not use --disable-logging), and
310 include the log this produces with your report.
311 EOF
312     else
313 cat <<EOF
314 Include the log file "$logfile" produced by configure as this will help
315 solving the problem.
316 EOF
317     fi
318     exit 1
319 }
320
321 # Avoid locale weirdness, besides we really just want to translate ASCII.
322 toupper(){
323     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
324 }
325
326 tolower(){
327     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
328 }
329
330 c_escape(){
331     echo "$*" | sed 's/["\\]/\\\0/g'
332 }
333
334 sh_quote(){
335     v=$(echo "$1" | sed "s/'/'\\\\''/g")
336     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
337     echo "$v"
338 }
339
340 cleanws(){
341     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
342 }
343
344 filter(){
345     pat=$1
346     shift
347     for v; do
348         eval "case $v in $pat) echo $v ;; esac"
349     done
350 }
351
352 filter_out(){
353     pat=$1
354     shift
355     for v; do
356         eval "case $v in $pat) ;; *) echo $v ;; esac"
357     done
358 }
359
360 map(){
361     m=$1
362     shift
363     for v; do eval $m; done
364 }
365
366 set_all(){
367     value=$1
368     shift
369     for var in $*; do
370         eval $var=$value
371     done
372 }
373
374 set_weak(){
375     value=$1
376     shift
377     for var; do
378         eval : \${$var:=$value}
379     done
380 }
381
382 set_safe(){
383     var=$1
384     shift
385     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
386 }
387
388 get_safe(){
389     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
390 }
391
392 pushvar(){
393     for var in $*; do
394         eval level=\${${var}_level:=0}
395         eval ${var}_${level}="\$$var"
396         eval ${var}_level=$(($level+1))
397     done
398 }
399
400 popvar(){
401     for var in $*; do
402         eval level=\${${var}_level:-0}
403         test $level = 0 && continue
404         eval level=$(($level-1))
405         eval $var="\${${var}_${level}}"
406         eval ${var}_level=$level
407         eval unset ${var}_${level}
408     done
409 }
410
411 enable(){
412     set_all yes $*
413 }
414
415 disable(){
416     set_all no $*
417 }
418
419 enable_weak(){
420     set_weak yes $*
421 }
422
423 disable_weak(){
424     set_weak no $*
425 }
426
427 enable_safe(){
428     for var; do
429         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
430     done
431 }
432
433 disable_safe(){
434     for var; do
435         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
436     done
437 }
438
439 do_enable_deep(){
440     for var; do
441         enabled $var && continue
442         eval sel="\$${var}_select"
443         eval sgs="\$${var}_suggest"
444         pushvar var sgs
445         enable_deep $sel
446         popvar sgs
447         enable_deep_weak $sgs
448         popvar var
449     done
450 }
451
452 enable_deep(){
453     do_enable_deep $*
454     enable $*
455 }
456
457 enable_deep_weak(){
458     do_enable_deep $*
459     enable_weak $*
460 }
461
462 enabled(){
463     test "${1#!}" = "$1" && op== || op=!=
464     eval test "x\$${1#!}" $op "xyes"
465 }
466
467 disabled(){
468     test "${1#!}" = "$1" && op== || op=!=
469     eval test "x\$${1#!}" $op "xno"
470 }
471
472 enabled_all(){
473     for opt; do
474         enabled $opt || return 1
475     done
476 }
477
478 disabled_all(){
479     for opt; do
480         disabled $opt || return 1
481     done
482 }
483
484 enabled_any(){
485     for opt; do
486         enabled $opt && return 0
487     done
488 }
489
490 disabled_any(){
491     for opt; do
492         disabled $opt && return 0
493     done
494     return 1
495 }
496
497 set_default(){
498     for opt; do
499         eval : \${$opt:=\$${opt}_default}
500     done
501 }
502
503 is_in(){
504     value=$1
505     shift
506     for var in $*; do
507         [ $var = $value ] && return 0
508     done
509     return 1
510 }
511
512 check_deps(){
513     for cfg; do
514         cfg="${cfg#!}"
515         enabled ${cfg}_checking && die "Circular dependency for $cfg."
516         disabled ${cfg}_checking && continue
517         enable ${cfg}_checking
518
519         eval dep_all="\$${cfg}_deps"
520         eval dep_any="\$${cfg}_deps_any"
521         eval dep_sel="\$${cfg}_select"
522         eval dep_sgs="\$${cfg}_suggest"
523         eval dep_ifa="\$${cfg}_if"
524         eval dep_ifn="\$${cfg}_if_any"
525
526         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
527         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
528         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
529
530         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
531         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
532         enabled_all  $dep_all || disable $cfg
533         enabled_any  $dep_any || disable $cfg
534         disabled_any $dep_sel && disable $cfg
535
536         if enabled $cfg; then
537             eval dep_extralibs="\$${cfg}_extralibs"
538             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
539             enable_deep $dep_sel
540             enable_deep_weak $dep_sgs
541         fi
542
543         disable ${cfg}_checking
544     done
545 }
546
547 print_config_h(){
548     enabled $1 && v=1 || v=0
549     echo "#define $2 $v"
550 }
551
552 print_config_mak(){
553     enabled $1 && v= || v=!
554     echo "$v$2=yes"
555 }
556
557 print_config_asm(){
558     enabled $1 && echo "%define $2"
559 }
560
561 print_config(){
562     pfx=$1
563     files=$2
564     shift 2
565     for cfg; do
566         ucname="$(toupper $cfg)"
567         for f in $files; do
568             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
569         done
570     done
571 }
572
573 print_enabled(){
574     test "$1" = -n && end=" " && shift || end="\n"
575     suf=$1
576     shift
577     for v; do
578         enabled $v && printf "%s$end" ${v%$suf};
579     done
580 }
581
582 append(){
583     var=$1
584     shift
585     eval "$var=\"\$$var $*\""
586 }
587
588 prepend(){
589     var=$1
590     shift
591     eval "$var=\"$* \$$var\""
592 }
593
594 add_cppflags(){
595     append CPPFLAGS $($filter_cppflags "$@")
596 }
597
598 add_cflags(){
599     append CFLAGS $($filter_cflags "$@")
600 }
601
602 add_cxxflags(){
603     append CXXFLAGS $($filter_cflags "$@")
604 }
605
606 add_asflags(){
607     append ASFLAGS $($filter_asflags "$@")
608 }
609
610 add_ldflags(){
611     append LDFLAGS "$@"
612 }
613
614 add_extralibs(){
615     prepend extralibs "$@"
616 }
617
618 check_cmd(){
619     log "$@"
620     "$@" >> $logfile 2>&1
621 }
622
623 check_cc(){
624     log check_cc "$@"
625     cat > $TMPC
626     log_file $TMPC
627     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
628 }
629
630 check_cxx(){
631     log check_cxx "$@"
632     cat > $TMPCPP
633     log_file $TMPCPP
634     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
635 }
636
637 check_cpp(){
638     log check_cpp "$@"
639     cat > $TMPC
640     log_file $TMPC
641     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
642 }
643
644 check_as(){
645     log check_as "$@"
646     cat > $TMPC
647     log_file $TMPC
648     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
649 }
650
651 check_asm(){
652     log check_asm "$@"
653     name="$1"
654     code="$2"
655     shift 2
656     disable $name
657     check_as "$@" <<EOF && enable $name
658 void foo(void){ __asm__ volatile($code); }
659 EOF
660 }
661
662 check_yasm(){
663     log check_yasm "$@"
664     echo "$1" > $TMPS
665     log_file $TMPS
666     shift 1
667     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
668 }
669
670 check_ld(){
671     log check_ld "$@"
672     type=$1
673     shift 1
674     flags=''
675     libs=''
676     for f; do
677         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
678     done
679     check_$type $($filter_cflags $flags) || return
680     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
681 }
682
683 check_cppflags(){
684     log check_cppflags "$@"
685     set -- $($filter_cppflags "$@")
686     check_cc "$@" <<EOF && append CPPFLAGS "$@"
687 int x;
688 EOF
689 }
690
691 check_cflags(){
692     log check_cflags "$@"
693     set -- $($filter_cflags "$@")
694     check_cc "$@" <<EOF && append CFLAGS "$@"
695 int x;
696 EOF
697 }
698
699 check_cxxflags(){
700     log check_cxxflags "$@"
701     set -- $($filter_cflags "$@")
702     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
703 int x;
704 EOF
705 }
706
707 test_ldflags(){
708     log test_ldflags "$@"
709     check_ld "cc" "$@" <<EOF
710 int main(void){ return 0; }
711 EOF
712 }
713
714 check_ldflags(){
715     log check_ldflags "$@"
716     test_ldflags "$@" && add_ldflags "$@"
717 }
718
719 check_header(){
720     log check_header "$@"
721     header=$1
722     shift
723     disable_safe $header
724     check_cpp "$@" <<EOF && enable_safe $header
725 #include <$header>
726 int x;
727 EOF
728 }
729
730 check_func(){
731     log check_func "$@"
732     func=$1
733     shift
734     disable $func
735     check_ld "cc" "$@" <<EOF && enable $func
736 extern int $func();
737 int main(void){ $func(); }
738 EOF
739 }
740
741 check_mathfunc(){
742     log check_mathfunc "$@"
743     func=$1
744     shift
745     disable $func
746     check_ld "cc" "$@" <<EOF && enable $func
747 #include <math.h>
748 float foo(float f) { return $func(f); }
749 int main(void){ return (int) foo; }
750 EOF
751 }
752
753 check_func_headers(){
754     log check_func_headers "$@"
755     headers=$1
756     funcs=$2
757     shift 2
758     {
759         for hdr in $headers; do
760             echo "#include <$hdr>"
761         done
762         for func in $funcs; do
763             echo "long check_$func(void) { return (long) $func; }"
764         done
765         echo "int main(void) { return 0; }"
766     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
767 }
768
769 check_class_headers_cpp(){
770     log check_class_headers_cpp "$@"
771     headers=$1
772     classes=$2
773     shift 2
774     {
775         for hdr in $headers; do
776             echo "#include <$hdr>"
777         done
778         echo "int main(void) { "
779         i=1
780         for class in $classes; do
781             echo "$class obj$i;"
782             i=$(expr $i + 1)
783         done
784         echo "return 0; }"
785     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
786 }
787
788 check_cpp_condition(){
789     log check_cpp_condition "$@"
790     header=$1
791     condition=$2
792     shift 2
793     check_cpp $($filter_cppflags "$@") <<EOF
794 #include <$header>
795 #if !($condition)
796 #error "unsatisfied condition: $condition"
797 #endif
798 EOF
799 }
800
801 check_lib(){
802     log check_lib "$@"
803     header="$1"
804     func="$2"
805     shift 2
806     check_header $header && check_func $func "$@" && add_extralibs "$@"
807 }
808
809 check_lib2(){
810     log check_lib2 "$@"
811     headers="$1"
812     funcs="$2"
813     shift 2
814     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
815 }
816
817 check_lib_cpp(){
818     log check_lib_cpp "$@"
819     headers="$1"
820     classes="$2"
821     shift 2
822     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
823 }
824
825 check_pkg_config(){
826     log check_pkg_config "$@"
827     pkg="$1"
828     headers="$2"
829     funcs="$3"
830     shift 3
831     $pkg_config --exists $pkg 2>/dev/null || return
832     pkg_cflags=$($pkg_config --cflags $pkg)
833     pkg_libs=$($pkg_config --libs $pkg)
834     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
835         set_safe ${pkg}_cflags $pkg_cflags   &&
836         set_safe ${pkg}_libs   $pkg_libs
837 }
838
839 check_exec(){
840     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
841 }
842
843 check_exec_crash(){
844     code=$(cat)
845
846     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
847     # are safe but may not be available everywhere.  Thus we use
848     # raise(SIGTERM) instead.  The check is run in a subshell so we
849     # can redirect the "Terminated" message from the shell.  SIGBUS
850     # is not defined by standard C so it is used conditionally.
851
852     (check_exec "$@") >> $logfile 2>&1 <<EOF
853 #include <signal.h>
854 static void sighandler(int sig){
855     raise(SIGTERM);
856 }
857 int func(void){
858     $code
859 }
860 int main(void){
861     signal(SIGILL, sighandler);
862     signal(SIGFPE, sighandler);
863     signal(SIGSEGV, sighandler);
864 #ifdef SIGBUS
865     signal(SIGBUS, sighandler);
866 #endif
867     return func();
868 }
869 EOF
870 }
871
872 check_type(){
873     log check_type "$@"
874     headers=$1
875     type=$2
876     shift 2
877     disable_safe "$type"
878     incs=""
879     for hdr in $headers; do
880         incs="$incs
881 #include <$hdr>"
882     done
883     check_cc "$@" <<EOF && enable_safe "$type"
884 $incs
885 $type v;
886 EOF
887 }
888
889 check_struct(){
890     log check_type "$@"
891     headers=$1
892     struct=$2
893     member=$3
894     shift 3
895     disable_safe "${struct}_${member}"
896     incs=""
897     for hdr in $headers; do
898         incs="$incs
899 #include <$hdr>"
900     done
901     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
902 $incs
903 const void *p = &(($struct *)0)->$member;
904 EOF
905 }
906
907 require(){
908     name="$1"
909     header="$2"
910     func="$3"
911     shift 3
912     check_lib $header $func "$@" || die "ERROR: $name not found"
913 }
914
915 require2(){
916     name="$1"
917     headers="$2"
918     func="$3"
919     shift 3
920     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
921 }
922
923 require_cpp(){
924     name="$1"
925     headers="$2"
926     classes="$3"
927     shift 3
928     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
929 }
930
931 require_pkg_config(){
932     pkg="$1"
933     check_pkg_config "$@" || die "ERROR: $pkg not found"
934     add_cflags    $(get_safe ${pkg}_cflags)
935     add_extralibs $(get_safe ${pkg}_libs)
936 }
937
938 check_host_cc(){
939     log check_host_cc "$@"
940     cat > $TMPC
941     log_file $TMPC
942     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
943 }
944
945 check_host_cflags(){
946     log check_host_cflags "$@"
947     check_host_cc "$@" <<EOF && append host_cflags "$@"
948 int x;
949 EOF
950 }
951
952 apply(){
953     file=$1
954     shift
955     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
956 }
957
958 cp_if_changed(){
959     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
960     mkdir -p "$(dirname $2)"
961     cp -f "$1" "$2"
962 }
963
964 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
965 # system-dependent things.
966
967 COMPONENT_LIST="
968     bsfs
969     decoders
970     demuxers
971     encoders
972     filters
973     hwaccels
974     indevs
975     muxers
976     outdevs
977     parsers
978     protocols
979 "
980
981 CONFIG_LIST="
982     $COMPONENT_LIST
983     aandct
984     ac3dsp
985     avcodec
986     avdevice
987     avfilter
988     avformat
989     avisynth
990     bzlib
991     crystalhd
992     dct
993     doc
994     dwt
995     dxva2
996     fastdiv
997     ffmpeg
998     avconv
999     ffplay
1000     ffprobe
1001     ffserver
1002     fft
1003     frei0r
1004     gnutls
1005     golomb
1006     gpl
1007     gray
1008     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     attribute_may_alias
1142     attribute_packed
1143     cbrtf
1144     closesocket
1145     cmov
1146     dcbzl
1147     dev_bktr_ioctl_bt848_h
1148     dev_bktr_ioctl_meteor_h
1149     dev_ic_bt8xx_h
1150     dev_video_bktr_ioctl_bt848_h
1151     dev_video_meteor_ioctl_meteor_h
1152     dlfcn_h
1153     dlopen
1154     dos_paths
1155     ebp_available
1156     ebx_available
1157     exp2
1158     exp2f
1159     fast_64bit
1160     fast_clz
1161     fast_cmov
1162     fcntl
1163     fork
1164     getaddrinfo
1165     gethrtime
1166     GetProcessMemoryInfo
1167     GetProcessTimes
1168     getrusage
1169     gnu_as
1170     ibm_asm
1171     inet_aton
1172     inline_asm
1173     isatty
1174     kbhit
1175     ldbrx
1176     llrint
1177     llrintf
1178     local_aligned_16
1179     local_aligned_8
1180     localtime_r
1181     log2
1182     log2f
1183     loongson
1184     lrint
1185     lrintf
1186     lzo1x_999_compress
1187     machine_ioctl_bt848_h
1188     machine_ioctl_meteor_h
1189     malloc_h
1190     MapViewOfFile
1191     memalign
1192     mkstemp
1193     mmap
1194     PeekNamedPipe
1195     poll_h
1196     posix_memalign
1197     round
1198     roundf
1199     sdl
1200     sdl_video_size
1201     setmode
1202     setrlimit
1203     sndio_h
1204     socklen_t
1205     soundcard_h
1206     strerror_r
1207     strptime
1208     struct_addrinfo
1209     struct_ipv6_mreq
1210     struct_rusage_ru_maxrss
1211     struct_sockaddr_in6
1212     struct_sockaddr_sa_len
1213     struct_sockaddr_storage
1214     symver
1215     symver_asm_label
1216     symver_gnu_asm
1217     sys_mman_h
1218     sys_resource_h
1219     sys_select_h
1220     sys_soundcard_h
1221     sys_videoio_h
1222     termios_h
1223     threads
1224     trunc
1225     truncf
1226     vfp_args
1227     VirtualAlloc
1228     winsock2_h
1229     xform_asm
1230     xmm_clobbers
1231     yasm
1232 "
1233
1234 # options emitted with CONFIG_ prefix but not available on command line
1235 CONFIG_EXTRA="
1236     avutil
1237     gplv3
1238     lgplv3
1239 "
1240
1241 CMDLINE_SELECT="
1242     $ARCH_EXT_LIST
1243     $CONFIG_LIST
1244     $THREADS_LIST
1245     asm
1246     coverage
1247     cross_compile
1248     debug
1249     extra_warnings
1250     logging
1251     optimizations
1252     stripping
1253     symver
1254     yasm
1255 "
1256
1257 PATHS_LIST='
1258     bindir
1259     datadir
1260     incdir
1261     libdir
1262     mandir
1263     prefix
1264     shlibdir
1265 '
1266
1267 CMDLINE_SET="
1268     $PATHS_LIST
1269     ar
1270     arch
1271     as
1272     build_suffix
1273     progs_suffix
1274     cc
1275     cpu
1276     cross_prefix
1277     cxx
1278     dep_cc
1279     extra_version
1280     host_cc
1281     host_cflags
1282     host_ldflags
1283     host_libs
1284     host_os
1285     install
1286     ld
1287     logfile
1288     malloc_prefix
1289     nm
1290     optflags
1291     pkg_config
1292     samples
1293     strip
1294     sysinclude
1295     sysroot
1296     target_exec
1297     target_os
1298     target_path
1299 "
1300
1301 CMDLINE_APPEND="
1302     extra_cflags
1303     extra_cxxflags
1304 "
1305
1306 # code dependency declarations
1307
1308 # architecture extensions
1309
1310 armv5te_deps="arm"
1311 armv6_deps="arm"
1312 armv6t2_deps="arm"
1313 armvfp_deps="arm"
1314 iwmmxt_deps="arm"
1315 neon_deps="arm"
1316 vfpv3_deps="armvfp"
1317
1318 mmi_deps="mips"
1319
1320 altivec_deps="ppc"
1321 ppc4xx_deps="ppc"
1322
1323 vis_deps="sparc"
1324
1325 x86_64_suggest="cmov fast_cmov"
1326 amd3dnow_deps="mmx"
1327 amd3dnowext_deps="amd3dnow"
1328 mmx_deps="x86"
1329 mmx2_deps="mmx"
1330 sse_deps="mmx"
1331 ssse3_deps="sse"
1332 avx_deps="ssse3"
1333
1334 aligned_stack_if_any="ppc x86"
1335 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1336 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1337 fast_unaligned_if_any="armv6 ppc x86"
1338
1339 inline_asm_deps="!tms470"
1340 need_memalign="altivec neon sse"
1341
1342 symver_if_any="symver_asm_label symver_gnu_asm"
1343
1344 # subsystems
1345 dct_select="rdft"
1346 mdct_select="fft"
1347 rdft_select="fft"
1348 mpegaudiodsp_select="dct"
1349
1350 # decoders / encoders / hardware accelerators
1351 aac_decoder_select="mdct sinewin"
1352 aac_encoder_select="mdct sinewin"
1353 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1354 ac3_decoder_select="mdct ac3dsp ac3_parser"
1355 ac3_encoder_select="mdct ac3dsp"
1356 ac3_fixed_encoder_select="mdct ac3dsp"
1357 alac_encoder_select="lpc"
1358 amrnb_decoder_select="lsp"
1359 amrwb_decoder_select="lsp"
1360 atrac1_decoder_select="mdct sinewin"
1361 atrac3_decoder_select="mdct"
1362 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1363 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1364 cavs_decoder_select="golomb"
1365 cook_decoder_select="mdct sinewin"
1366 cscd_decoder_suggest="zlib"
1367 dca_decoder_select="mdct"
1368 dnxhd_encoder_select="aandct"
1369 dxa_decoder_select="zlib"
1370 eac3_decoder_select="ac3_decoder"
1371 eac3_encoder_select="mdct ac3dsp"
1372 eamad_decoder_select="aandct"
1373 eatgq_decoder_select="aandct"
1374 eatqi_decoder_select="aandct"
1375 ffv1_decoder_select="golomb"
1376 flac_decoder_select="golomb"
1377 flac_encoder_select="golomb lpc"
1378 flashsv_decoder_select="zlib"
1379 flashsv_encoder_select="zlib"
1380 flashsv2_encoder_select="zlib"
1381 flashsv2_decoder_select="zlib"
1382 flv_decoder_select="h263_decoder"
1383 flv_encoder_select="h263_encoder"
1384 fraps_decoder_select="huffman"
1385 h261_encoder_select="aandct"
1386 h263_decoder_select="h263_parser"
1387 h263_encoder_select="aandct"
1388 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1389 h263i_decoder_select="h263_decoder"
1390 h263p_encoder_select="h263_encoder"
1391 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1392 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1393 h264_dxva2_hwaccel_deps="dxva2api_h"
1394 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1395 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1396 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1397 h264_vda_hwaccel_select="vda h264_decoder"
1398 h264_vdpau_decoder_select="vdpau h264_decoder"
1399 imc_decoder_select="fft mdct sinewin"
1400 jpegls_decoder_select="golomb"
1401 jpegls_encoder_select="golomb"
1402 ljpeg_encoder_select="aandct"
1403 loco_decoder_select="golomb"
1404 mjpeg_encoder_select="aandct"
1405 mlp_decoder_select="mlp_parser"
1406 mp1_decoder_select="mpegaudiodsp"
1407 mp1float_decoder_select="mpegaudiodsp"
1408 mp2_decoder_select="mpegaudiodsp"
1409 mp2float_decoder_select="mpegaudiodsp"
1410 mp3_decoder_select="mpegaudiodsp"
1411 mp3adu_decoder_select="mpegaudiodsp"
1412 mp3adufloat_decoder_select="mpegaudiodsp"
1413 mp3float_decoder_select="mpegaudiodsp"
1414 mp3on4_decoder_select="mpegaudiodsp"
1415 mp3on4float_decoder_select="mpegaudiodsp"
1416 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1417 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1418 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1419 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1420 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1421 mpeg1video_encoder_select="aandct"
1422 mpeg2_crystalhd_decoder_select="crystalhd"
1423 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1424 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1425 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1426 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1427 mpeg2video_encoder_select="aandct"
1428 mpeg4_crystalhd_decoder_select="crystalhd"
1429 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1430 mpeg4_encoder_select="h263_encoder"
1431 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1432 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1433 msmpeg4_crystalhd_decoder_select="crystalhd"
1434 msmpeg4v1_decoder_select="h263_decoder"
1435 msmpeg4v1_encoder_select="h263_encoder"
1436 msmpeg4v2_decoder_select="h263_decoder"
1437 msmpeg4v2_encoder_select="h263_encoder"
1438 msmpeg4v3_decoder_select="h263_decoder"
1439 msmpeg4v3_encoder_select="h263_encoder"
1440 nellymoser_decoder_select="mdct sinewin"
1441 nellymoser_encoder_select="mdct sinewin"
1442 png_decoder_select="zlib"
1443 png_encoder_select="zlib"
1444 qcelp_decoder_select="lsp"
1445 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1446 ra_144_encoder_select="lpc"
1447 rv10_decoder_select="h263_decoder"
1448 rv10_encoder_select="h263_encoder"
1449 rv20_decoder_select="h263_decoder"
1450 rv20_encoder_select="h263_encoder"
1451 rv30_decoder_select="golomb h264chroma h264pred"
1452 rv40_decoder_select="golomb h264chroma h264pred"
1453 shorten_decoder_select="golomb"
1454 sipr_decoder_select="lsp"
1455 snow_decoder_select="dwt"
1456 snow_encoder_select="aandct dwt"
1457 sonic_decoder_select="golomb"
1458 sonic_encoder_select="golomb"
1459 sonic_ls_encoder_select="golomb"
1460 svq1_encoder_select="aandct"
1461 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1462 svq3_decoder_suggest="zlib"
1463 theora_decoder_select="vp3_decoder"
1464 tiff_decoder_suggest="zlib"
1465 tiff_encoder_suggest="zlib"
1466 truehd_decoder_select="mlp_decoder"
1467 tscc_decoder_select="zlib"
1468 twinvq_decoder_select="mdct lsp sinewin"
1469 vc1_crystalhd_decoder_select="crystalhd"
1470 vc1_decoder_select="h263_decoder h264chroma"
1471 vc1_dxva2_hwaccel_deps="dxva2api_h"
1472 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1473 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1474 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1475 vc1image_decoder_select="vc1_decoder"
1476 vorbis_decoder_select="mdct"
1477 vorbis_encoder_select="mdct"
1478 vp6_decoder_select="huffman"
1479 vp6a_decoder_select="vp6_decoder"
1480 vp6f_decoder_select="vp6_decoder"
1481 vp8_decoder_select="h264pred"
1482 wmapro_decoder_select="mdct sinewin"
1483 wmav1_decoder_select="mdct sinewin"
1484 wmav1_encoder_select="mdct sinewin"
1485 wmav2_decoder_select="mdct sinewin"
1486 wmav2_encoder_select="mdct sinewin"
1487 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1488 wmv1_decoder_select="h263_decoder"
1489 wmv1_encoder_select="h263_encoder"
1490 wmv2_decoder_select="h263_decoder"
1491 wmv2_encoder_select="h263_encoder"
1492 wmv3_decoder_select="vc1_decoder"
1493 wmv3_crystalhd_decoder_select="crystalhd"
1494 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1495 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1496 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1497 wmv3image_decoder_select="wmv3_decoder"
1498 zlib_decoder_select="zlib"
1499 zlib_encoder_select="zlib"
1500 zmbv_decoder_select="zlib"
1501 zmbv_encoder_select="zlib"
1502
1503 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1504 vaapi_deps="va_va_h"
1505 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1506 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1507
1508 # parsers
1509 h264_parser_select="golomb h264chroma h264dsp h264pred"
1510
1511 # external libraries
1512 libaacplus_encoder_deps="libaacplus"
1513 libcelt_decoder_deps="libcelt"
1514 libdirac_decoder_deps="libdirac !libschroedinger"
1515 libdirac_encoder_deps="libdirac"
1516 libfaac_encoder_deps="libfaac"
1517 libgsm_decoder_deps="libgsm"
1518 libgsm_encoder_deps="libgsm"
1519 libgsm_ms_decoder_deps="libgsm"
1520 libgsm_ms_encoder_deps="libgsm"
1521 libmodplug_demuxer_deps="libmodplug"
1522 libmp3lame_encoder_deps="libmp3lame"
1523 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1524 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1525 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1526 libopenjpeg_decoder_deps="libopenjpeg"
1527 libopenjpeg_encoder_deps="libopenjpeg"
1528 libschroedinger_decoder_deps="libschroedinger"
1529 libschroedinger_encoder_deps="libschroedinger"
1530 libspeex_decoder_deps="libspeex"
1531 libspeex_encoder_deps="libspeex"
1532 libstagefright_h264_decoder_deps="libstagefright_h264"
1533 libtheora_encoder_deps="libtheora"
1534 libvo_aacenc_encoder_deps="libvo_aacenc"
1535 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1536 libvorbis_encoder_deps="libvorbis"
1537 libvpx_decoder_deps="libvpx"
1538 libvpx_encoder_deps="libvpx"
1539 libx264_encoder_deps="libx264"
1540 libx264rgb_encoder_deps="libx264"
1541 libxavs_encoder_deps="libxavs"
1542 libxvid_encoder_deps="libxvid"
1543 libutvideo_decoder_deps="libutvideo gpl"
1544
1545 # demuxers / muxers
1546 ac3_demuxer_select="ac3_parser"
1547 asf_stream_muxer_select="asf_muxer"
1548 avisynth_demuxer_deps="avisynth"
1549 dirac_demuxer_select="dirac_parser"
1550 eac3_demuxer_select="ac3_parser"
1551 flac_demuxer_select="flac_parser"
1552 ipod_muxer_select="mov_muxer"
1553 libnut_demuxer_deps="libnut"
1554 libnut_muxer_deps="libnut"
1555 matroska_audio_muxer_select="matroska_muxer"
1556 matroska_demuxer_suggest="zlib bzlib"
1557 mov_demuxer_suggest="zlib"
1558 mp3_demuxer_select="mpegaudio_parser"
1559 mp4_muxer_select="mov_muxer"
1560 mpegtsraw_demuxer_select="mpegts_demuxer"
1561 mxf_d10_muxer_select="mxf_muxer"
1562 ogg_demuxer_select="golomb"
1563 psp_muxer_select="mov_muxer"
1564 rtp_demuxer_select="sdp_demuxer"
1565 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1566 rtsp_demuxer_select="http_protocol rtpdec"
1567 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1568 sap_demuxer_select="sdp_demuxer"
1569 sap_muxer_select="rtp_muxer rtp_protocol"
1570 sdp_demuxer_select="rtpdec"
1571 spdif_muxer_select="aac_parser"
1572 tg2_muxer_select="mov_muxer"
1573 tgp_muxer_select="mov_muxer"
1574 w64_demuxer_deps="wav_demuxer"
1575
1576 # indevs / outdevs
1577 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1578 alsa_outdev_deps="alsa_asoundlib_h"
1579 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1580 dshow_indev_deps="IBaseFilter"
1581 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1582 dv1394_indev_deps="dv1394 dv_demuxer"
1583 fbdev_indev_deps="linux_fb_h"
1584 jack_indev_deps="jack_jack_h sem_timedwait"
1585 lavfi_indev_deps="avfilter"
1586 libcdio_indev_deps="libcdio"
1587 libdc1394_indev_deps="libdc1394"
1588 libv4l2_indev_deps="libv4l2"
1589 openal_indev_deps="openal"
1590 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1591 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1592 pulse_indev_deps="libpulse"
1593 sdl_outdev_deps="sdl"
1594 sndio_indev_deps="sndio_h"
1595 sndio_outdev_deps="sndio_h"
1596 v4l_indev_deps="linux_videodev_h"
1597 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1598 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1599 vfwcap_indev_extralibs="-lavicap32"
1600 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1601 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1602
1603 # protocols
1604 gopher_protocol_deps="network"
1605 httpproxy_protocol_deps="network"
1606 httpproxy_protocol_select="tcp_protocol"
1607 http_protocol_deps="network"
1608 http_protocol_select="tcp_protocol"
1609 https_protocol_select="tls_protocol"
1610 mmsh_protocol_select="http_protocol"
1611 mmst_protocol_deps="network"
1612 rtmp_protocol_select="tcp_protocol"
1613 rtp_protocol_select="udp_protocol"
1614 tcp_protocol_deps="network"
1615 tls_protocol_deps_any="openssl gnutls"
1616 tls_protocol_select="tcp_protocol"
1617 udp_protocol_deps="network"
1618
1619 # filters
1620 amovie_filter_deps="avcodec avformat"
1621 ass_filter_deps="libass"
1622 blackframe_filter_deps="gpl"
1623 boxblur_filter_deps="gpl"
1624 cropdetect_filter_deps="gpl"
1625 delogo_filter_deps="gpl"
1626 drawtext_filter_deps="libfreetype"
1627 frei0r_filter_deps="frei0r dlopen"
1628 frei0r_src_filter_deps="frei0r dlopen"
1629 hqdn3d_filter_deps="gpl"
1630 movie_filter_deps="avcodec avformat"
1631 mp_filter_deps="gpl avcodec"
1632 mptestsrc_filter_deps="gpl"
1633 negate_filter_deps="lut_filter"
1634 ocv_filter_deps="libopencv"
1635 scale_filter_deps="swscale"
1636 yadif_filter_deps="gpl"
1637
1638 # libraries
1639 avdevice_deps="avcodec avformat"
1640 avformat_deps="avcodec"
1641 postproc_deps="gpl"
1642
1643 # programs
1644 avconv_deps="avcodec avformat swscale"
1645 avconv_select="buffer_filter"
1646 ffplay_deps="avcodec avformat swscale sdl"
1647 ffplay_select="buffersink_filter rdft"
1648 ffprobe_deps="avcodec avformat"
1649 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1650 ffserver_extralibs='$ldl'
1651 ffmpeg_deps="avcodec avformat swscale swresample"
1652 ffmpeg_select="buffer_filter buffersink_filter"
1653
1654 doc_deps="texi2html"
1655
1656 # tests
1657
1658 test_deps(){
1659     suf1=$1
1660     suf2=$2
1661     shift 2
1662     for v; do
1663         dep=${v%=*}
1664         tests=${v#*=}
1665         for name in ${tests}; do
1666             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1667         done
1668     done
1669 }
1670
1671 mxf_d10_test_deps="avfilter"
1672 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1673
1674 test_deps _encoder _decoder                                             \
1675     adpcm_ima_qt                                                        \
1676     adpcm_ima_wav                                                       \
1677     adpcm_ms                                                            \
1678     adpcm_swf                                                           \
1679     adpcm_yamaha=adpcm_yam                                              \
1680     alac                                                                \
1681     asv1                                                                \
1682     asv2                                                                \
1683     bmp                                                                 \
1684     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1685     dvvideo="dv dv_411 dv50"                                            \
1686     ffv1                                                                \
1687     flac                                                                \
1688     flashsv                                                             \
1689     flv                                                                 \
1690     adpcm_g726=g726                                                     \
1691     gif                                                                 \
1692     h261                                                                \
1693     h263="h263 h263p"                                                   \
1694     huffyuv                                                             \
1695     jpegls                                                              \
1696     mjpeg="jpg mjpeg ljpeg"                                             \
1697     mp2                                                                 \
1698     mpeg1video="mpeg mpeg1b"                                            \
1699     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1700     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1701     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1702     mpeg4="mpeg4thread error rc"                                        \
1703     msmpeg4v3=msmpeg4                                                   \
1704     msmpeg4v2                                                           \
1705     pbm=pbmpipe                                                         \
1706     pcx                                                                 \
1707     pgm="pgm pgmpipe"                                                   \
1708     png                                                                 \
1709     ppm="ppm ppmpipe"                                                   \
1710     rawvideo="rgb yuv"                                                  \
1711     roq                                                                 \
1712     rv10                                                                \
1713     rv20                                                                \
1714     sgi                                                                 \
1715     snow="snow snowll"                                                  \
1716     svq1                                                                \
1717     targa=tga                                                           \
1718     tiff                                                                \
1719     wmav1                                                               \
1720     wmav2                                                               \
1721     wmv1                                                                \
1722     wmv2                                                                \
1723
1724 test_deps _muxer _demuxer                                               \
1725     aiff                                                                \
1726     pcm_alaw=alaw                                                       \
1727     asf                                                                 \
1728     au                                                                  \
1729     avi                                                                 \
1730     dv=dv_fmt                                                           \
1731     ffm                                                                 \
1732     flv=flv_fmt                                                         \
1733     gxf                                                                 \
1734     matroska=mkv                                                        \
1735     mmf                                                                 \
1736     mov                                                                 \
1737     pcm_mulaw=mulaw                                                     \
1738     mxf="mxf mxf_d10"                                                   \
1739     nut                                                                 \
1740     ogg                                                                 \
1741     rawvideo=pixfmt                                                     \
1742     rm                                                                  \
1743     swf                                                                 \
1744     mpegts=ts                                                           \
1745     voc                                                                 \
1746     wav                                                                 \
1747     yuv4mpegpipe=yuv4mpeg                                               \
1748
1749 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1750 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1751
1752 # default parameters
1753
1754 logfile="config.log"
1755
1756 # installation paths
1757 prefix_default="/usr/local"
1758 bindir_default='${prefix}/bin'
1759 datadir_default='${prefix}/share/ffmpeg'
1760 incdir_default='${prefix}/include'
1761 libdir_default='${prefix}/lib'
1762 mandir_default='${prefix}/share/man'
1763 shlibdir_default="$libdir_default"
1764
1765 # toolchain
1766 ar_default="ar"
1767 cc_default="gcc"
1768 cxx_default="g++"
1769 cc_version=\"unknown\"
1770 host_cc_default="gcc"
1771 install="install"
1772 ln_s="ln -sf"
1773 nm_default="nm"
1774 objformat="elf"
1775 pkg_config_default=pkg-config
1776 ranlib="ranlib"
1777 strip_default="strip"
1778 yasmexe="yasm"
1779
1780 nm_opts='-g'
1781 nogas=":"
1782
1783 # machine
1784 arch_default=$(uname -m)
1785 cpu="generic"
1786
1787 # OS
1788 target_os_default=$(tolower $(uname -s))
1789 host_os=$target_os_default
1790
1791 # configurable options
1792 enable avcodec
1793 enable avdevice
1794 enable avfilter
1795 enable avformat
1796 enable avutil
1797 enable postproc
1798 enable stripping
1799 enable swresample
1800 enable swscale
1801
1802 enable ffmpeg
1803 enable ffplay
1804 enable ffprobe
1805 enable ffserver
1806
1807 enable asm
1808 enable debug
1809 enable doc
1810 enable fastdiv
1811 enable network
1812 enable optimizations
1813 enable static
1814 enable swscale_alpha
1815
1816 # build settings
1817 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1818 FFSERVERLDFLAGS=-Wl,-E
1819 LIBPREF="lib"
1820 LIBSUF=".a"
1821 FULLNAME='$(NAME)$(BUILDSUF)'
1822 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1823 SLIBPREF="lib"
1824 SLIBSUF=".so"
1825 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1826 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1827 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1828 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1829 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1830 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1831
1832 AS_O='-o $@'
1833 CC_O='-o $@'
1834 CXX_O='-o $@'
1835
1836 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1837 host_libs='-lm'
1838
1839 target_path='$(CURDIR)'
1840
1841 # since the object filename is not given with the -MM flag, the compiler
1842 # is only able to print the basename, and we must add the path ourselves
1843 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1844 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1845
1846 # find source path
1847 if test -f configure; then
1848     source_path=.
1849 else
1850     source_path=$(cd $(dirname "$0"); pwd)
1851     echo "$source_path" | grep -q '[[:blank:]]' &&
1852         die "Out of tree builds are impossible with whitespace in source path."
1853     test -e "$source_path/config.h" &&
1854         die "Out of tree builds are impossible with config.h in source dir."
1855 fi
1856
1857 for v in "$@"; do
1858     r=${v#*=}
1859     l=${v%"$r"}
1860     r=$(sh_quote "$r")
1861     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1862 done
1863
1864 find_things(){
1865     thing=$1
1866     pattern=$2
1867     file=$source_path/$3
1868     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1869 }
1870
1871 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1872 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1873 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1874 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1875 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1876 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1877 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1878 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1879 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1880 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1881 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1882
1883 find_tests(){
1884     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1885 }
1886
1887 ACODEC_TESTS=$(find_tests acodec)
1888 VCODEC_TESTS=$(find_tests vsynth1)
1889 LAVF_TESTS=$(find_tests lavf)
1890 LAVFI_TESTS=$(find_tests lavfi)
1891 SEEK_TESTS=$(find_tests seek seek_)
1892
1893 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1894
1895 for n in $COMPONENT_LIST; do
1896     v=$(toupper ${n%s})_LIST
1897     eval enable \$$v
1898     eval ${n}_if_any="\$$v"
1899 done
1900
1901 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1902
1903 die_unknown(){
1904     echo "Unknown option \"$1\"."
1905     echo "See $0 --help for available options."
1906     exit 1
1907 }
1908
1909 show_list() {
1910     suffix=_$1
1911     shift
1912     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1913     exit 0
1914 }
1915
1916 for opt do
1917     optval="${opt#*=}"
1918     case "$opt" in
1919     --extra-ldflags=*) add_ldflags $optval
1920     ;;
1921     --extra-libs=*) add_extralibs $optval
1922     ;;
1923     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1924     ;;
1925     --enable-debug=*) debuglevel="$optval"
1926     ;;
1927     --disable-everything)
1928     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1929     ;;
1930     --enable-*=*|--disable-*=*)
1931     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1932     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1933     eval list=\$$(toupper $thing)_LIST
1934     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1935     $action $(filter "$name" $list)
1936     ;;
1937     --enable-?*|--disable-?*)
1938     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1939     if is_in $option $COMPONENT_LIST; then
1940         test $action = disable && action=unset
1941         eval $action \$$(toupper ${option%s})_LIST
1942     elif is_in $option $CMDLINE_SELECT; then
1943         $action $option
1944     else
1945         die_unknown $opt
1946     fi
1947     ;;
1948     --list-*)
1949         NAME="${opt#--list-}"
1950         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1951         NAME=${NAME%s}
1952         eval show_list $NAME \$$(toupper $NAME)_LIST
1953     ;;
1954     --help|-h) show_help
1955     ;;
1956     *)
1957     optname="${opt%%=*}"
1958     optname="${optname#--}"
1959     optname=$(echo "$optname" | sed 's/-/_/g')
1960     if is_in $optname $CMDLINE_SET; then
1961         eval $optname='$optval'
1962     elif is_in $optname $CMDLINE_APPEND; then
1963         append $optname "$optval"
1964     else
1965          die_unknown $opt
1966     fi
1967     ;;
1968     esac
1969 done
1970
1971 disabled logging && logfile=/dev/null
1972
1973 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1974 set >> $logfile
1975
1976 test -n "$cross_prefix" && enable cross_compile
1977
1978 if enabled cross_compile; then
1979     test -n "$arch" && test -n "$target_os" ||
1980         die "Must specify target arch and OS when cross-compiling"
1981 fi
1982
1983 set_default arch target_os
1984
1985 ar_default="${cross_prefix}${ar_default}"
1986 cc_default="${cross_prefix}${cc_default}"
1987 cxx_default="${cross_prefix}${cxx_default}"
1988 nm_default="${cross_prefix}${nm_default}"
1989 pkg_config_default="${cross_prefix}${pkg_config_default}"
1990 ranlib="${cross_prefix}${ranlib}"
1991 strip_default="${cross_prefix}${strip_default}"
1992
1993 sysinclude_default="${sysroot}/usr/include"
1994
1995 set_default cc cxx nm pkg_config strip sysinclude
1996 enabled cross_compile || host_cc_default=$cc
1997 set_default host_cc
1998
1999 if ! $pkg_config --version >/dev/null 2>&1; then
2000     warn "$pkg_config not found, library detection may fail."
2001     pkg_config=false
2002 fi
2003
2004 exesuf() {
2005     case $1 in
2006         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2007     esac
2008 }
2009
2010 EXESUF=$(exesuf $target_os)
2011 HOSTEXESUF=$(exesuf $host_os)
2012
2013 # set temporary file name
2014 : ${TMPDIR:=$TEMPDIR}
2015 : ${TMPDIR:=$TMP}
2016 : ${TMPDIR:=/tmp}
2017
2018 if ! check_cmd mktemp -u XXXXXX; then
2019     # simple replacement for missing mktemp
2020     # NOT SAFE FOR GENERAL USE
2021     mktemp(){
2022         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2023     }
2024 fi
2025
2026 tmpfile(){
2027     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2028         (set -C; exec > $tmp) 2>/dev/null ||
2029         die "Unable to create temporary file in $TMPDIR."
2030     append TMPFILES $tmp
2031     eval $1=$tmp
2032 }
2033
2034 trap 'rm -f -- $TMPFILES' EXIT
2035
2036 tmpfile TMPASM .asm
2037 tmpfile TMPC   .c
2038 tmpfile TMPCPP .cpp
2039 tmpfile TMPE   $EXESUF
2040 tmpfile TMPH   .h
2041 tmpfile TMPO   .o
2042 tmpfile TMPS   .S
2043 tmpfile TMPSH  .sh
2044 tmpfile TMPV   .ver
2045
2046 unset -f mktemp
2047
2048 chmod +x $TMPE
2049
2050 # make sure we can execute files in $TMPDIR
2051 cat > $TMPSH 2>> $logfile <<EOF
2052 #! /bin/sh
2053 EOF
2054 chmod +x $TMPSH >> $logfile 2>&1
2055 if ! $TMPSH >> $logfile 2>&1; then
2056     cat <<EOF
2057 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2058 variable to another directory and make sure that it is not mounted noexec.
2059 EOF
2060     die "Sanity test failed."
2061 fi
2062
2063 filter_asflags=echo
2064 filter_cflags=echo
2065 filter_cppflags=echo
2066
2067 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2068     cc_type=llvm_gcc
2069     cc_version=__VERSION__
2070     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2071     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2072     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2073     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2074     speed_cflags='-O3'
2075     size_cflags='-Os'
2076 elif $cc -v 2>&1 | grep -qi ^gcc; then
2077     cc_type=gcc
2078     cc_version=__VERSION__
2079     gcc_version=$($cc --version | head -n1)
2080     gcc_basever=$($cc -dumpversion)
2081     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2082     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2083     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2084     if ! $cc -dumpversion | grep -q '^2\.'; then
2085         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2086         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2087     fi
2088     speed_cflags='-O3'
2089     size_cflags='-Os'
2090 elif $cc --version 2>/dev/null | grep -q Intel; then
2091     cc_type=icc
2092     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2093     cc_ident=$($cc --version | head -n1)
2094     icc_version=$($cc -dumpversion)
2095     CC_DEPFLAGS='-MMD'
2096     AS_DEPFLAGS='-MMD'
2097     speed_cflags='-O3'
2098     size_cflags='-Os'
2099     noopt_cflags='-O1'
2100 elif $cc -v 2>&1 | grep -q xlc; then
2101     cc_type=xlc
2102     cc_version="AV_STRINGIFY(__IBMC__)"
2103     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2104     speed_cflags='-O5'
2105     size_cflags='-O5 -qcompact'
2106 elif $cc -V 2>/dev/null | grep -q Compaq; then
2107     cc_type=ccc
2108     cc_version="AV_STRINGIFY(__DECC_VER)"
2109     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2110     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2111     debuglevel=3
2112     add_ldflags -Wl,-z,now # calls to libots crash without this
2113     speed_cflags='-fast'
2114     size_cflags='-O1'
2115 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2116     test -d "$sysroot" || die "No valid sysroot specified."
2117     cc_type=armcc
2118     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2119     cc_ident=$($cc --vsn | head -n1)
2120     armcc_conf="$PWD/armcc.conf"
2121     $cc --arm_linux_configure                 \
2122         --arm_linux_config_file="$armcc_conf" \
2123         --configure_sysroot="$sysroot"        \
2124         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2125         die "Error creating armcc configuration file."
2126     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2127     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2128     as_default="${cross_prefix}gcc"
2129     CC_DEPFLAGS='-MMD'
2130     AS_DEPFLAGS='-MMD'
2131     speed_cflags='-O3'
2132     size_cflags='-Os'
2133     filter_asflags="filter_out -W${armcc_opt}*"
2134 elif $cc -version 2>/dev/null | grep -q TMS470; then
2135     cc_type=tms470
2136     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2137     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2138     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2139     CC_O='-fr=$(@D)'
2140     as_default="${cross_prefix}gcc"
2141     ld_default="${cross_prefix}gcc"
2142     TMPO=$(basename $TMPC .c).o
2143     append TMPFILES $TMPO
2144     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2145     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2146     AS_DEPFLAGS='-MMD'
2147     speed_cflags='-O3 -mf=5'
2148     size_cflags='-O3 -mf=2'
2149     filter_cflags=tms470_flags
2150     tms470_flags(){
2151         for flag; do
2152             case $flag in
2153                 -march=*|-mcpu=*)
2154                     case "${flag#*=}" in
2155                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2156                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2157                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2158                         armv6*|arm11*)          echo -mv=6   ;;
2159                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2160                                                 echo -mv=5e  ;;
2161                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2162                     esac
2163                     ;;
2164                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2165                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2166                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2167                 -msoft-float)   echo --float_support=vfplib       ;;
2168                 -O[0-3]|-mf=*)  echo $flag                        ;;
2169                 -g)             echo -g -mn                       ;;
2170                 -pds=*)         echo $flag                        ;;
2171             esac
2172         done
2173     }
2174 elif $cc -v 2>&1 | grep -q clang; then
2175     cc_type=clang
2176     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2177         cc_version=__clang_version__ || cc_version=__VERSION__
2178     cc_ident=$($cc --version | head -n1)
2179     CC_DEPFLAGS='-MMD'
2180     AS_DEPFLAGS='-MMD'
2181     speed_cflags='-O3'
2182     size_cflags='-Os'
2183 elif $cc -V 2>&1 | grep -q Sun; then
2184     cc_type=suncc
2185     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2186     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2187     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2188     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2189     add_ldflags -xc99
2190     speed_cflags='-O5'
2191     size_cflags='-O5 -xspace'
2192     filter_cflags=suncc_flags
2193     suncc_flags(){
2194         for flag; do
2195             case $flag in
2196                 -march=*|-mcpu=*)
2197                     case "${flag#*=}" in
2198                         native)                   echo -xtarget=native       ;;
2199                         v9|niagara)               echo -xarch=sparc          ;;
2200                         ultrasparc)               echo -xarch=sparcvis       ;;
2201                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2202                         i586|pentium)             echo -xchip=pentium        ;;
2203                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2204                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2205                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2206                         pentium4*)          echo -xtarget=pentium4           ;;
2207                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2208                         *-sse3)             echo -xarch=sse3                 ;;
2209                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2210                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2211                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2212                         k8|opteron|athlon64|athlon-fx)
2213                                                   echo -xarch=sse2a          ;;
2214                         athlon*)                  echo -xarch=pentium_proa   ;;
2215                     esac
2216                     ;;
2217                 -std=c99)             echo -xc99              ;;
2218                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2219                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2220                 -W*,*)                echo $flag              ;;
2221                 -f*-*|-W*)                                    ;;
2222                 *)                    echo $flag              ;;
2223             esac
2224         done
2225     }
2226 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2227     cc_type=pathscale
2228     cc_version=__PATHSCALE__
2229     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2230     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2231     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2232     speed_cflags='-O2'
2233     size_cflags='-Os'
2234     filter_cflags='filter_out -Wdisabled-optimization'
2235 elif $cc -v 2>&1 | grep -q Open64; then
2236     cc_type=open64
2237     cc_version=__OPEN64__
2238     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2239     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2240     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2241     speed_cflags='-O2'
2242     size_cflags='-Os'
2243     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2244 fi
2245
2246 test -n "$cc_type" && enable $cc_type ||
2247     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2248
2249 : ${as_default:=$cc}
2250 : ${dep_cc_default:=$cc}
2251 : ${ld_default:=$cc}
2252 set_default ar as dep_cc ld
2253
2254 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2255 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2256 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2257
2258 add_cflags $extra_cflags
2259 add_cxxflags $extra_cxxflags
2260 add_asflags $extra_cflags
2261
2262 if test -n "$sysroot"; then
2263     case "$cc_type" in
2264         gcc|llvm_gcc|clang)
2265             add_cppflags --sysroot="$sysroot"
2266             add_ldflags --sysroot="$sysroot"
2267         ;;
2268         tms470)
2269             add_cppflags -I"$sysinclude"
2270             add_ldflags  --sysroot="$sysroot"
2271         ;;
2272     esac
2273 fi
2274
2275 if test "$cpu" = host; then
2276     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2277
2278     case "$cc_type" in
2279         gcc|llvm_gcc)
2280             check_native(){
2281                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2282                 sed -n "/cc1.*$1=/{
2283                             s/.*$1=\\([^ ]*\\).*/\\1/
2284                             p
2285                             q
2286                         }" $TMPE
2287             }
2288             cpu=$(check_native -march || check_native -mcpu)
2289         ;;
2290     esac
2291
2292     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2293 fi
2294
2295 # Deal with common $arch aliases
2296 case "$arch" in
2297     arm*)
2298         arch="arm"
2299     ;;
2300     mips|mipsel|IP*)
2301         arch="mips"
2302     ;;
2303     mips64*)
2304         arch="mips"
2305         subarch="mips64"
2306     ;;
2307     parisc|hppa)
2308         arch="parisc"
2309     ;;
2310     parisc64|hppa64)
2311         arch="parisc"
2312         subarch="parisc64"
2313     ;;
2314     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2315         arch="ppc"
2316     ;;
2317     s390|s390x)
2318         arch="s390"
2319     ;;
2320     sh4|sh)
2321         arch="sh4"
2322     ;;
2323     sun4u|sparc64)
2324         arch="sparc"
2325         subarch="sparc64"
2326     ;;
2327     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2328         arch="x86"
2329     ;;
2330 esac
2331
2332 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2333 enable $arch
2334
2335 # Add processor-specific flags
2336 if test "$cpu" = generic; then
2337     : do nothing
2338 elif enabled ppc; then
2339
2340     case $(tolower $cpu) in
2341         601|ppc601|powerpc601)
2342             cpuflags="-mcpu=601"
2343             disable altivec
2344         ;;
2345         603*|ppc603*|powerpc603*)
2346             cpuflags="-mcpu=603"
2347             disable altivec
2348         ;;
2349         604*|ppc604*|powerpc604*)
2350             cpuflags="-mcpu=604"
2351             disable altivec
2352         ;;
2353         g3|75*|ppc75*|powerpc75*)
2354             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2355             disable altivec
2356         ;;
2357         g4|745*|ppc745*|powerpc745*)
2358             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2359         ;;
2360         74*|ppc74*|powerpc74*)
2361             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2362         ;;
2363         g5|970|ppc970|powerpc970|power4*)
2364             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2365         ;;
2366         cell)
2367             cpuflags="-mcpu=cell"
2368             enable ldbrx
2369         ;;
2370         e500v2)
2371             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2372             disable altivec
2373         ;;
2374         e500)
2375             cpuflags="-mcpu=8540 -mhard-float"
2376             disable altivec
2377         ;;
2378     esac
2379
2380 elif enabled x86; then
2381
2382     case $cpu in
2383         i[345]86|pentium)
2384             cpuflags="-march=$cpu"
2385             disable mmx
2386         ;;
2387         # targets that do NOT support conditional mov (cmov)
2388         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2389             cpuflags="-march=$cpu"
2390             disable cmov
2391         ;;
2392         # targets that do support conditional mov (cmov)
2393         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2394             cpuflags="-march=$cpu"
2395             enable cmov
2396             enable fast_cmov
2397         ;;
2398         # targets that do support conditional mov but on which it's slow
2399         pentium4|pentium4m|prescott|nocona)
2400             cpuflags="-march=$cpu"
2401             enable cmov
2402             disable fast_cmov
2403         ;;
2404     esac
2405
2406 elif enabled sparc; then
2407
2408     case $cpu in
2409         niagara)
2410             cpuflags="-mcpu=$cpu"
2411             disable vis
2412         ;;
2413         sparc64)
2414             cpuflags="-mcpu=v9"
2415         ;;
2416     esac
2417
2418 elif enabled arm; then
2419
2420     case $cpu in
2421         armv*)
2422             cpuflags="-march=$cpu"
2423             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2424         ;;
2425         *)
2426             cpuflags="-mcpu=$cpu"
2427             case $cpu in
2428                 cortex-a*)                               subarch=armv7a  ;;
2429                 cortex-r*)                               subarch=armv7r  ;;
2430                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2431                 arm11*)                                  subarch=armv6   ;;
2432                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2433                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2434             esac
2435         ;;
2436     esac
2437
2438 elif enabled alpha; then
2439
2440     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2441
2442 elif enabled bfin; then
2443
2444     cpuflags="-mcpu=$cpu"
2445
2446 elif enabled mips; then
2447
2448     cpuflags="-march=$cpu"
2449
2450 elif enabled avr32; then
2451
2452     case $cpu in
2453         ap7[02]0[0-2])
2454             subarch="avr32_ap"
2455             cpuflags="-mpart=$cpu"
2456         ;;
2457         ap)
2458             subarch="avr32_ap"
2459             cpuflags="-march=$cpu"
2460         ;;
2461         uc3[ab]*)
2462             subarch="avr32_uc"
2463             cpuflags="-mcpu=$cpu"
2464         ;;
2465         uc)
2466             subarch="avr32_uc"
2467             cpuflags="-march=$cpu"
2468         ;;
2469     esac
2470
2471 fi
2472
2473 add_cflags $cpuflags
2474 add_asflags $cpuflags
2475
2476 # compiler sanity check
2477 check_exec <<EOF
2478 int main(void){ return 0; }
2479 EOF
2480 if test "$?" != 0; then
2481     echo "$cc is unable to create an executable file."
2482     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2483         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2484         echo "Only do this if you know what cross compiling means."
2485     fi
2486     die "C compiler test failed."
2487 fi
2488
2489 add_cppflags -D_ISOC99_SOURCE
2490 add_cxxflags -D__STDC_CONSTANT_MACROS
2491 check_cflags -std=c99
2492 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2493 #include <stdlib.h>
2494 EOF
2495 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2496 #include <stdlib.h>
2497 EOF
2498
2499 check_host_cflags -std=c99
2500 check_host_cflags -Wall
2501
2502 case "$arch" in
2503     alpha|ia64|mips|parisc|sparc)
2504         spic=$shared
2505     ;;
2506     x86)
2507         subarch="x86_32"
2508         check_cc <<EOF && subarch="x86_64"
2509         int test[(int)sizeof(char*) - 7];
2510 EOF
2511         if test "$subarch" = "x86_64"; then
2512             spic=$shared
2513         fi
2514     ;;
2515     ppc)
2516         check_cc <<EOF && subarch="ppc64"
2517         int test[(int)sizeof(char*) - 7];
2518 EOF
2519     ;;
2520 esac
2521
2522 enable $subarch
2523 enabled spic && enable pic
2524
2525 # OS specific
2526 case $target_os in
2527     haiku)
2528         prefix_default="/boot/common"
2529         network_extralibs="-lnetwork"
2530         host_libs=
2531         ;;
2532     sunos)
2533         FFSERVERLDFLAGS=""
2534         SHFLAGS='-shared -Wl,-h,$$(@F)'
2535         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2536         network_extralibs="-lsocket -lnsl"
2537         add_cppflags -D__EXTENSIONS__
2538         # When using suncc to build, the Solaris linker will mark
2539         # an executable with each instruction set encountered by
2540         # the Solaris assembler.  As our libraries contain their own
2541         # guards for processor-specific code, instead suppress
2542         # generation of the HWCAPS ELF section on Solaris x86 only.
2543         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2544         nm_opts='-P -g'
2545         ;;
2546     netbsd)
2547         disable symver
2548         oss_indev_extralibs="-lossaudio"
2549         oss_outdev_extralibs="-lossaudio"
2550         ;;
2551     openbsd)
2552         enable malloc_aligned
2553         # On OpenBSD 4.5. the compiler does not use PIC unless
2554         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2555         # however the generated executable will not do anything
2556         # (simply quits with exit-code 1, no crash, no output).
2557         # Thus explicitly enable PIC here.
2558         enable pic
2559         disable symver
2560         SHFLAGS='-shared'
2561         oss_indev_extralibs="-lossaudio"
2562         oss_outdev_extralibs="-lossaudio"
2563         ;;
2564     dragonfly)
2565         enable malloc_aligned
2566         disable symver
2567         ;;
2568     freebsd)
2569         enable malloc_aligned
2570         ;;
2571     bsd/os)
2572         add_extralibs -lpoll -lgnugetopt
2573         strip="strip -d"
2574         ;;
2575     darwin)
2576         enable malloc_aligned
2577         gas="gas-preprocessor.pl $cc"
2578         enabled ppc && add_asflags -force_cpusubtype_ALL
2579         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2580         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2581         strip="${strip} -x"
2582         add_ldflags -Wl,-dynamic,-search_paths_first
2583         SLIBSUF=".dylib"
2584         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2585         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2586         FFSERVERLDFLAGS=-Wl,-bind_at_load
2587         objformat="macho"
2588         enabled x86_64 && objformat="macho64"
2589         enabled_any pic shared ||
2590             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2591         ;;
2592     mingw32*)
2593         if test $target_os = "mingw32ce"; then
2594             disable network
2595         else
2596             target_os=mingw32
2597         fi
2598         LIBTARGET=i386
2599         if enabled x86_64; then
2600             enable malloc_aligned
2601             LIBTARGET=x64
2602         elif enabled arm; then
2603             LIBTARGET=arm-wince
2604         fi
2605         shlibdir_default="$bindir_default"
2606         SLIBPREF=""
2607         SLIBSUF=".dll"
2608         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2609         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2610         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2611         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2612         SLIB_INSTALL_LINKS=
2613         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2614         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2615         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'
2616         objformat="win32"
2617         enable dos_paths
2618         check_cflags -fno-common
2619         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2620                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2621                 die "ERROR: MinGW runtime version must be >= 3.15."
2622         add_cppflags -U__STRICT_ANSI__
2623         ;;
2624     cygwin*)
2625         target_os=cygwin
2626         shlibdir_default="$bindir_default"
2627         SLIBPREF="cyg"
2628         SLIBSUF=".dll"
2629         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2630         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2631         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2632         objformat="win32"
2633         enable dos_paths
2634         check_cflags -fno-common
2635         add_cppflags -U__STRICT_ANSI__
2636         ;;
2637     *-dos|freedos|opendos)
2638         network_extralibs="-lsocket"
2639         objformat="coff"
2640         enable dos_paths
2641         add_cppflags -U__STRICT_ANSI__
2642         ;;
2643     linux)
2644         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2645         enable dv1394
2646         ;;
2647     irix*)
2648         target_os=irix
2649         ranlib="echo ignoring ranlib"
2650         ;;
2651     os/2*)
2652         strip="lxlite -CS"
2653         ln_s="cp -f"
2654         objformat="aout"
2655         add_cppflags -D_GNU_SOURCE
2656         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2657         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2658         FFSERVERLDFLAGS=""
2659         LIBSUF="_s.a"
2660         SLIBPREF=""
2661         SLIBSUF=".dll"
2662         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2663         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2664         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2665           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2666           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2667           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2668           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2669           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2670         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2671           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2672         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2673         enable dos_paths
2674         enable_weak os2threads
2675         ;;
2676     gnu/kfreebsd)
2677         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2678         ;;
2679     gnu)
2680         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2681         ;;
2682     qnx)
2683         add_cppflags -D_QNX_SOURCE
2684         network_extralibs="-lsocket"
2685         ;;
2686     symbian)
2687         SLIBSUF=".dll"
2688         enable dos_paths
2689         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2690         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2691         add_ldflags -Wl,--target1-abs,--no-undefined \
2692                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2693                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2694         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2695                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2696                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2697         ;;
2698     none)
2699         ;;
2700     *)
2701         die "Unknown OS '$target_os'."
2702         ;;
2703 esac
2704
2705 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2706
2707 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2708
2709 set_default $PATHS_LIST
2710
2711 # we need to build at least one lib type
2712 if ! enabled_any static shared; then
2713     cat <<EOF
2714 At least one library type must be built.
2715 Specify --enable-static to build the static libraries or --enable-shared to
2716 build the shared libraries as well. To only build the shared libraries specify
2717 --disable-static in addition to --enable-shared.
2718 EOF
2719     exit 1;
2720 fi
2721
2722 die_license_disabled() {
2723     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2724 }
2725
2726 die_license_disabled gpl libcdio
2727 die_license_disabled gpl libx264
2728 die_license_disabled gpl libxavs
2729 die_license_disabled gpl libxvid
2730 die_license_disabled gpl x11grab
2731
2732 die_license_disabled nonfree libaacplus
2733 die_license_disabled nonfree libfaac
2734 die_license_disabled nonfree openssl
2735
2736 die_license_disabled version3 libopencore_amrnb
2737 die_license_disabled version3 libopencore_amrwb
2738 die_license_disabled version3 libvo_aacenc
2739 die_license_disabled version3 libvo_amrwbenc
2740
2741 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2742
2743 disabled optimizations || check_cflags -fomit-frame-pointer
2744
2745 enable_pic() {
2746     enable pic
2747     add_cppflags -DPIC
2748     add_cflags   -fPIC
2749     add_asflags  -fPIC
2750 }
2751
2752 enabled pic && enable_pic
2753
2754 check_cc <<EOF || die "Symbol mangling check failed."
2755 int ff_extern;
2756 EOF
2757 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2758 extern_prefix=${sym%%ff_extern*}
2759
2760 check_cc <<EOF && enable inline_asm
2761 void foo(void) { __asm__ volatile ("" ::); }
2762 EOF
2763
2764 _restrict=
2765 for restrict_keyword in restrict __restrict__ __restrict; do
2766     check_cc <<EOF && _restrict=$restrict_keyword && break
2767 void foo(char * $restrict_keyword p);
2768 EOF
2769 done
2770
2771 check_cc <<EOF && enable attribute_packed
2772 struct { int x; } __attribute__((packed)) x;
2773 EOF
2774
2775 check_cc <<EOF && enable attribute_may_alias
2776 union { int x; } __attribute__((may_alias)) x;
2777 EOF
2778
2779 check_cc <<EOF || die "endian test failed"
2780 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2781 EOF
2782 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2783
2784 if enabled alpha; then
2785
2786     check_cflags -mieee
2787
2788 elif enabled arm; then
2789
2790     enabled thumb && check_cflags -mthumb || check_cflags -marm
2791     nogas=die
2792
2793     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2794         enable vfp_args
2795     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2796         case "${cross_prefix:-$cc}" in
2797             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2798             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2799 __asm__ (".eabi_attribute 28, 1");
2800 int main(void) { return 0; }
2801 EOF
2802         esac
2803         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2804     fi
2805
2806     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2807     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2808     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2809     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2810     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2811     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2812     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2813
2814     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2815
2816     enabled_all armv6t2 shared !pic && enable_pic
2817
2818 elif enabled mips; then
2819
2820     check_asm loongson '"dmult.g $1, $2, $3"'
2821     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2822
2823 elif enabled ppc; then
2824
2825     enable local_aligned_8 local_aligned_16
2826
2827     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2828     check_asm ibm_asm   '"add 0, 0, 0"'
2829     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2830     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2831
2832     # AltiVec flags: The FSF version of GCC differs from the Apple version
2833     if enabled altivec; then
2834         nogas=warn
2835         check_cflags -maltivec -mabi=altivec &&
2836         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2837         check_cflags -faltivec
2838
2839         # check if our compiler supports Motorola AltiVec C API
2840         check_cc <<EOF || disable altivec
2841 $inc_altivec_h
2842 int main(void) {
2843     vector signed int v1, v2, v3;
2844     v1 = vec_add(v2,v3);
2845     return 0;
2846 }
2847 EOF
2848
2849         # check if our compiler supports braces for vector declarations
2850         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2851 $inc_altivec_h
2852 int main (void) { (vector int) {1}; return 0; }
2853 EOF
2854     fi
2855
2856 elif enabled sparc; then
2857
2858     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2859         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2860
2861 elif enabled x86; then
2862
2863     enable local_aligned_8 local_aligned_16
2864
2865     # check whether EBP is available on x86
2866     # As 'i' is stored on the stack, this program will crash
2867     # if the base pointer is used to access it because the
2868     # base pointer is cleared in the inline assembly code.
2869     check_exec_crash <<EOF && enable ebp_available
2870     volatile int i=0;
2871     __asm__ volatile (
2872         "xorl %%ebp, %%ebp"
2873     ::: "%ebp");
2874     return i;
2875 EOF
2876
2877     # check whether EBX is available on x86
2878     check_asm ebx_available '""::"b"(0)' &&
2879         check_asm ebx_available '"":::"%ebx"'
2880
2881     # check whether xmm clobbers are supported
2882     check_asm xmm_clobbers '"":::"%xmm0"'
2883
2884     # check whether binutils is new enough to compile SSSE3/MMX2
2885     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2886     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2887
2888     if ! disabled_any asm mmx yasm; then
2889         if check_cmd $yasmexe --version; then
2890             enabled x86_64 && yasm_extra="-m amd64"
2891             yasm_debug="-g dwarf2"
2892         elif check_cmd nasm -v; then
2893             yasmexe=nasm
2894             yasm_debug="-g -F dwarf"
2895             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2896         fi
2897
2898         YASMFLAGS="-f $objformat $yasm_extra"
2899         enabled pic               && append YASMFLAGS "-DPIC"
2900         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2901         case "$objformat" in
2902             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2903         esac
2904
2905         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2906             die "yasm not found, use --disable-yasm for a crippled build"
2907         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2908     fi
2909
2910     case "$cpu" in
2911         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2912             disable fast_clz
2913         ;;
2914     esac
2915
2916 fi
2917
2918 if enabled asm; then
2919     as=${gas:=$as}
2920     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2921         $nogas "GNU assembler not found, install gas-preprocessor"
2922 fi
2923
2924 check_ldflags -Wl,--as-needed
2925
2926 if check_func dlopen; then
2927     ldl=
2928 elif check_func dlopen -ldl; then
2929     ldl=-ldl
2930 fi
2931
2932 if enabled network; then
2933     check_type "sys/types.h sys/socket.h" socklen_t
2934     check_type netdb.h "struct addrinfo"
2935     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2936     check_type netinet/in.h "struct sockaddr_in6"
2937     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2938     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2939     # Prefer arpa/inet.h over winsock2
2940     if check_header arpa/inet.h ; then
2941         check_func closesocket
2942     elif check_header winsock2.h ; then
2943         check_func_headers winsock2.h closesocket -lws2 && \
2944             network_extralibs="-lws2" || \
2945         { check_func_headers winsock2.h closesocket -lws2_32 && \
2946             network_extralibs="-lws2_32"; }
2947         check_type ws2tcpip.h socklen_t
2948         check_type ws2tcpip.h "struct addrinfo"
2949         check_type ws2tcpip.h "struct ipv6_mreq"
2950         check_type ws2tcpip.h "struct sockaddr_in6"
2951         check_type ws2tcpip.h "struct sockaddr_storage"
2952         check_struct winsock2.h "struct sockaddr" sa_len
2953     else
2954         disable network
2955     fi
2956 fi
2957
2958 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2959 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2960
2961 check_func  fcntl
2962 check_func  fork
2963 check_func  getaddrinfo $network_extralibs
2964 check_func  gethrtime
2965 check_func  getrusage
2966 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2967 check_func  inet_aton $network_extralibs
2968 check_func  isatty
2969 check_func  localtime_r
2970 check_func  ${malloc_prefix}memalign            && enable memalign
2971 check_func  mkstemp
2972 check_func  mmap
2973 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2974 check_func  setrlimit
2975 check_func  strerror_r
2976 check_func  strptime
2977 check_func_headers conio.h kbhit
2978 check_func_headers windows.h PeekNamedPipe
2979 check_func_headers io.h setmode
2980 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2981 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2982 check_func_headers windows.h GetProcessTimes
2983 check_func_headers windows.h MapViewOfFile
2984 check_func_headers windows.h VirtualAlloc
2985
2986 check_header dlfcn.h
2987 check_header dxva2api.h -D_WIN32_WINNT=0x0600
2988 check_header libcrystalhd/libcrystalhd_if.h
2989 check_header malloc.h
2990 check_header poll.h
2991 check_header sys/mman.h
2992 check_header sys/resource.h
2993 check_header sys/select.h
2994 check_header termios.h
2995 check_header vdpau/vdpau.h
2996 check_header vdpau/vdpau_x11.h
2997 check_header X11/extensions/XvMClib.h
2998
2999 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3000 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3001
3002 # check for VDA header
3003 if ! disabled vda; then
3004     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3005         enable vda
3006         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3007     fi
3008 fi
3009
3010 if ! disabled w32threads && ! enabled pthreads; then
3011     check_func _beginthreadex && enable w32threads
3012 fi
3013
3014 # check for some common methods of building with pthread support
3015 # do this before the optional library checks as some of them require pthreads
3016 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3017     enable pthreads
3018     if check_func pthread_create; then
3019         :
3020     elif check_func pthread_create -pthread; then
3021         add_cflags -pthread
3022         add_extralibs -pthread
3023     elif check_func pthread_create -pthreads; then
3024         add_cflags -pthreads
3025         add_extralibs -pthreads
3026     elif check_func pthread_create -lpthreadGC2; then
3027         add_extralibs -lpthreadGC2
3028     elif ! check_lib pthread.h pthread_create -lpthread; then
3029         disable pthreads
3030     fi
3031 fi
3032
3033 for thread in $THREADS_LIST; do
3034     if enabled $thread; then
3035         test -n "$thread_type" &&
3036             die "ERROR: Only one thread type must be selected." ||
3037             thread_type="$thread"
3038     fi
3039 done
3040
3041 check_lib math.h sin -lm && LIBM="-lm"
3042 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3043 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3044
3045 check_mathfunc cbrtf
3046 check_mathfunc exp2
3047 check_mathfunc exp2f
3048 check_mathfunc llrint
3049 check_mathfunc llrintf
3050 check_mathfunc log2
3051 check_mathfunc log2f
3052 check_mathfunc lrint
3053 check_mathfunc lrintf
3054 check_mathfunc round
3055 check_mathfunc roundf
3056 check_mathfunc trunc
3057 check_mathfunc truncf
3058
3059 # these are off by default, so fail if requested and not available
3060 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3061 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3062 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3063 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3064 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3065 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0
3066 enabled libdc1394  && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
3067 enabled libdirac   && require_pkg_config dirac                          \
3068     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
3069     "dirac_decoder_init dirac_encoder_init"
3070 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3071 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3072 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3073 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3074 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3075 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3076 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3077 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3078 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3079 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3080 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3081 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3082 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3083 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3084 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3085     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3086     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3087 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3088 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3089 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3090 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3091 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3092 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3093 enabled libvpx     && {
3094     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3095                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3096     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3097                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3098 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3099                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3100                         die "ERROR: libx264 version must be >= 0.118."; }
3101 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3102 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3103 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3104                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3105                         die "ERROR: openal not found"; } &&
3106                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3107                         die "ERROR: openal version must be 1.1 or compatible"; }
3108 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
3109 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3110                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3111                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3112                         die "ERROR: openssl not found"; }
3113
3114 SDL_CONFIG="${cross_prefix}sdl-config"
3115 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3116     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3117     enable sdl &&
3118     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3119 else
3120   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3121     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3122     sdl_libs=$("${SDL_CONFIG}" --libs)
3123     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3124     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3125     enable sdl &&
3126     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3127   fi
3128 fi
3129 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3130
3131 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3132
3133 check_header linux/fb.h
3134 check_header linux/videodev.h
3135 check_header linux/videodev2.h
3136 check_header sys/videoio.h
3137
3138 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3139 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3140 # w32api 3.12 had it defined wrong
3141 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3142
3143 check_type "dshow.h" IBaseFilter
3144
3145 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3146 { check_header dev/bktr/ioctl_meteor.h &&
3147   check_header dev/bktr/ioctl_bt848.h; } ||
3148 { check_header machine/ioctl_meteor.h &&
3149   check_header machine/ioctl_bt848.h; } ||
3150 { check_header dev/video/meteor/ioctl_meteor.h &&
3151   check_header dev/video/bktr/ioctl_bt848.h; } ||
3152 check_header dev/ic/bt8xx.h
3153
3154 check_header sndio.h
3155 if check_struct sys/soundcard.h audio_buf_info bytes; then
3156     enable_safe sys/soundcard.h
3157 else
3158     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3159     #include <sys/soundcard.h>
3160     audio_buf_info abc;
3161 EOF
3162 fi
3163 check_header soundcard.h
3164
3165 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3166
3167 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3168
3169 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3170
3171 enabled libcdio &&
3172     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3173
3174 enabled x11grab                         &&
3175 check_header X11/Xlib.h                 &&
3176 check_header X11/extensions/XShm.h      &&
3177 check_header X11/extensions/Xfixes.h    &&
3178 check_func XOpenDisplay -lX11           &&
3179 check_func XShmCreateImage -lX11 -lXext &&
3180 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3181
3182 if ! disabled vaapi; then
3183     check_lib va/va.h vaInitialize -lva && {
3184         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3185         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3186     } || disable vaapi
3187 fi
3188
3189 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3190 check_cpp_condition \
3191     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3192     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3193       disable vdpau; }
3194 fi
3195
3196 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3197 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3198
3199 # add some useful compiler flags if supported
3200 check_cflags -Wdeclaration-after-statement
3201 check_cflags -Wall
3202 check_cflags -Wno-parentheses
3203 check_cflags -Wno-switch
3204 check_cflags -Wno-format-zero-length
3205 check_cflags -Wdisabled-optimization
3206 check_cflags -Wpointer-arith
3207 check_cflags -Wredundant-decls
3208 check_cflags -Wno-pointer-sign
3209 check_cflags -Wcast-qual
3210 check_cflags -Wwrite-strings
3211 check_cflags -Wtype-limits
3212 check_cflags -Wundef
3213 check_cflags -Wmissing-prototypes
3214 check_cflags -Wno-pointer-to-int-cast
3215 check_cflags -Wstrict-prototypes
3216 enabled extra_warnings && check_cflags -Winline
3217
3218 # add some linker flags
3219 check_ldflags -Wl,--warn-common
3220 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3221 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3222
3223 echo "X{};" > $TMPV
3224 if test_ldflags -Wl,--version-script,$TMPV; then
3225     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3226     check_cc <<EOF && enable symver_asm_label
3227 void ff_foo(void) __asm__ ("av_foo@VERSION");
3228 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3229 EOF
3230     check_cc <<EOF && enable symver_gnu_asm
3231 __asm__(".symver ff_foo,av_foo@VERSION");
3232 void ff_foo(void) {}
3233 EOF
3234 fi
3235
3236 if [ -n "$optflags" ]; then
3237     add_cflags $optflags
3238 elif enabled small; then
3239     add_cflags $size_cflags
3240 elif enabled optimizations; then
3241     add_cflags $speed_cflags
3242 else
3243     add_cflags $noopt_cflags
3244 fi
3245 check_cflags -fno-math-errno
3246 check_cflags -fno-signed-zeros
3247 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3248 int x;
3249 EOF
3250
3251
3252 if enabled icc; then
3253     # Just warnings, no remarks
3254     check_cflags -w1
3255     # -wd: Disable following warnings
3256     # 144, 167, 556: -Wno-pointer-sign
3257     # 1292: attribute "foo" ignored
3258     # 10006: ignoring unknown option -fno-signed-zeros
3259     # 10148: ignoring unknown option -Wno-parentheses
3260     # 10156: ignoring option '-W'; no argument required
3261     check_cflags -wd144,167,556,1292,10006,10148,10156
3262     # 11030: Warning unknown option --as-needed
3263     # 10156: ignoring option '-export'; no argument required
3264     check_ldflags -wd10156,11030
3265     # Allow to compile with optimizations
3266     check_ldflags -march=$cpu
3267     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3268     enable ebp_available
3269     if enabled x86_32; then
3270         test ${icc_version%%.*} -ge 11 && \
3271             check_cflags -falign-stack=maintain-16-byte || \
3272             disable aligned_stack
3273     fi
3274 elif enabled ccc; then
3275     # disable some annoying warnings
3276     add_cflags -msg_disable cvtu32to64
3277     add_cflags -msg_disable embedcomment
3278     add_cflags -msg_disable needconstext
3279     add_cflags -msg_disable nomainieee
3280     add_cflags -msg_disable ptrmismatch1
3281     add_cflags -msg_disable unreachcode
3282 elif enabled gcc; then
3283     check_cflags -fno-tree-vectorize
3284     check_cflags -Werror=implicit-function-declaration
3285     check_cflags -Werror=missing-prototypes
3286 elif enabled llvm_gcc; then
3287     check_cflags -mllvm -stack-alignment=16
3288 elif enabled clang; then
3289     check_cflags -mllvm -stack-alignment=16
3290     check_cflags -Qunused-arguments
3291 elif enabled armcc; then
3292     # 2523: use of inline assembler is deprecated
3293     add_cflags -W${armcc_opt},--diag_suppress=2523
3294     add_cflags -W${armcc_opt},--diag_suppress=1207
3295     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3296     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3297     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3298     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3299 elif enabled tms470; then
3300     add_cflags -pds=824 -pds=837
3301 elif enabled pathscale; then
3302     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3303 fi
3304
3305 enabled_any $THREADS_LIST      && enable threads
3306
3307 check_deps $CONFIG_LIST       \
3308            $CONFIG_EXTRA      \
3309            $HAVE_LIST         \
3310            $DECODER_LIST      \
3311            $ENCODER_LIST      \
3312            $HWACCEL_LIST      \
3313            $PARSER_LIST       \
3314            $BSF_LIST          \
3315            $DEMUXER_LIST      \
3316            $MUXER_LIST        \
3317            $FILTER_LIST       \
3318            $INDEV_LIST        \
3319            $OUTDEV_LIST       \
3320            $PROTOCOL_LIST     \
3321            $ACODEC_TESTS      \
3322            $VCODEC_TESTS      \
3323            $LAVF_TESTS        \
3324            $LAVFI_TESTS       \
3325            $SEEK_TESTS        \
3326
3327 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3328
3329 if test $target_os = "haiku"; then
3330     disable memalign
3331     disable posix_memalign
3332 fi
3333
3334 ! enabled_any memalign posix_memalign malloc_aligned &&
3335     enabled_any $need_memalign && enable memalign_hack
3336
3337 echo "install prefix            $prefix"
3338 echo "source path               $source_path"
3339 echo "C compiler                $cc"
3340 echo "ARCH                      $arch ($cpu)"
3341 if test "$build_suffix" != ""; then
3342     echo "build suffix              $build_suffix"
3343 fi
3344 if test "$progs_suffix" != ""; then
3345     echo "progs suffix              $progs_suffix"
3346 fi
3347 if test "$extra_version" != ""; then
3348     echo "version string suffix     $extra_version"
3349 fi
3350 echo "big-endian                ${bigendian-no}"
3351 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3352 if enabled x86; then
3353     echo "${yasmexe}                      ${yasm-no}"
3354     echo "MMX enabled               ${mmx-no}"
3355     echo "MMX2 enabled              ${mmx2-no}"
3356     echo "3DNow! enabled            ${amd3dnow-no}"
3357     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3358     echo "SSE enabled               ${sse-no}"
3359     echo "SSSE3 enabled             ${ssse3-no}"
3360     echo "AVX enabled               ${avx-no}"
3361     echo "CMOV enabled              ${cmov-no}"
3362     echo "CMOV is fast              ${fast_cmov-no}"
3363     echo "EBX available             ${ebx_available-no}"
3364     echo "EBP available             ${ebp_available-no}"
3365 fi
3366 if enabled arm; then
3367     echo "ARMv5TE enabled           ${armv5te-no}"
3368     echo "ARMv6 enabled             ${armv6-no}"
3369     echo "ARMv6T2 enabled           ${armv6t2-no}"
3370     echo "ARM VFP enabled           ${armvfp-no}"
3371     echo "IWMMXT enabled            ${iwmmxt-no}"
3372     echo "NEON enabled              ${neon-no}"
3373 fi
3374 if enabled mips; then
3375     echo "MMI enabled               ${mmi-no}"
3376 fi
3377 if enabled ppc; then
3378     echo "AltiVec enabled           ${altivec-no}"
3379     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3380     echo "dcbzl available           ${dcbzl-no}"
3381 fi
3382 if enabled sparc; then
3383     echo "VIS enabled               ${vis-no}"
3384 fi
3385 echo "debug symbols             ${debug-no}"
3386 echo "strip symbols             ${stripping-no}"
3387 echo "optimize for size         ${small-no}"
3388 echo "optimizations             ${optimizations-no}"
3389 echo "static                    ${static-no}"
3390 echo "shared                    ${shared-no}"
3391 echo "postprocessing support    ${postproc-no}"
3392 echo "new filter support        ${avfilter-no}"
3393 echo "network support           ${network-no}"
3394 echo "threading support         ${thread_type-no}"
3395 echo "SDL support               ${sdl-no}"
3396 echo "Sun medialib support      ${mlib-no}"
3397 echo "libdxva2 enabled          ${dxva2-no}"
3398 echo "libva enabled             ${vaapi-no}"
3399 echo "libvdpau enabled          ${vdpau-no}"
3400 echo "AVISynth enabled          ${avisynth-no}"
3401 echo "frei0r enabled            ${frei0r-no}"
3402 echo "gnutls enabled            ${gnutls-no}"
3403 echo "libaacplus enabled        ${libaacplus-no}"
3404 echo "libass enabled            ${libass-no}"
3405 echo "libcdio support           ${libcdio-no}"
3406 echo "libcelt enabled           ${libcelt-no}"
3407 echo "libdc1394 support         ${libdc1394-no}"
3408 echo "libdirac enabled          ${libdirac-no}"
3409 echo "libfaac enabled           ${libfaac-no}"
3410 echo "libgsm enabled            ${libgsm-no}"
3411 echo "libmodplug enabled        ${libmodplug-no}"
3412 echo "libmp3lame enabled        ${libmp3lame-no}"
3413 echo "libnut enabled            ${libnut-no}"
3414 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3415 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3416 echo "libopencv support         ${libopencv-no}"
3417 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3418 echo "libpulse enabled          ${libpulse-no}"
3419 echo "librtmp enabled           ${librtmp-no}"
3420 echo "libschroedinger enabled   ${libschroedinger-no}"
3421 echo "libspeex enabled          ${libspeex-no}"
3422 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3423 echo "libtheora enabled         ${libtheora-no}"
3424 echo "libutvideo enabled        ${libutvideo-no}"
3425 echo "libv4l2 enabled           ${libv4l2-no}"
3426 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3427 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3428 echo "libvorbis enabled         ${libvorbis-no}"
3429 echo "libvpx enabled            ${libvpx-no}"
3430 echo "libx264 enabled           ${libx264-no}"
3431 echo "libxavs enabled           ${libxavs-no}"
3432 echo "libxvid enabled           ${libxvid-no}"
3433 echo "openal enabled            ${openal-no}"
3434 echo "openssl enabled           ${openssl-no}"
3435 echo "zlib enabled              ${zlib-no}"
3436 echo "bzlib enabled             ${bzlib-no}"
3437 echo
3438
3439 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3440     echo "Enabled ${type}s:"
3441     eval list=\$$(toupper $type)_LIST
3442     print_enabled '_*' $list | sort | pr -r -3 -t
3443     echo
3444 done
3445
3446 license="LGPL version 2.1 or later"
3447 if enabled nonfree; then
3448     license="nonfree and unredistributable"
3449 elif enabled gplv3; then
3450     license="GPL version 3 or later"
3451 elif enabled lgplv3; then
3452     license="LGPL version 3 or later"
3453 elif enabled gpl; then
3454     license="GPL version 2 or later"
3455 fi
3456
3457 echo "License: $license"
3458
3459 echo "Creating config.mak and config.h..."
3460
3461 test -e Makefile || $ln_s "$source_path/Makefile" .
3462
3463 enabled stripping || strip="echo skipping strip"
3464
3465 config_files="$TMPH config.mak"
3466
3467 cat > config.mak <<EOF
3468 # Automatically generated by configure - do not modify!
3469 ifndef FFMPEG_CONFIG_MAK
3470 FFMPEG_CONFIG_MAK=1
3471 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3472 prefix=$prefix
3473 LIBDIR=\$(DESTDIR)$libdir
3474 SHLIBDIR=\$(DESTDIR)$shlibdir
3475 INCDIR=\$(DESTDIR)$incdir
3476 BINDIR=\$(DESTDIR)$bindir
3477 DATADIR=\$(DESTDIR)$datadir
3478 MANDIR=\$(DESTDIR)$mandir
3479 SRC_PATH=$source_path
3480 ifndef MAIN_MAKEFILE
3481 SRC_PATH:=\$(SRC_PATH:.%=..%)
3482 endif
3483 CC_IDENT=$cc_ident
3484 ARCH=$arch
3485 CC=$cc
3486 CXX=$cxx
3487 AS=$as
3488 LD=$ld
3489 DEPCC=$dep_cc
3490 YASM=$yasmexe
3491 YASMDEP=$yasmexe
3492 AR=$ar
3493 RANLIB=$ranlib
3494 CP=cp -p
3495 LN_S=$ln_s
3496 STRIP=$strip
3497 CPPFLAGS=$CPPFLAGS
3498 CFLAGS=$CFLAGS
3499 CXXFLAGS=$CXXFLAGS
3500 ASFLAGS=$ASFLAGS
3501 AS_O=$CC_O
3502 CC_O=$CC_O
3503 CXX_O=$CXX_O
3504 LDFLAGS=$LDFLAGS
3505 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3506 SHFLAGS=$SHFLAGS
3507 YASMFLAGS=$YASMFLAGS
3508 BUILDSUF=$build_suffix
3509 PROGSSUF=$progs_suffix
3510 FULLNAME=$FULLNAME
3511 LIBPREF=$LIBPREF
3512 LIBSUF=$LIBSUF
3513 LIBNAME=$LIBNAME
3514 SLIBPREF=$SLIBPREF
3515 SLIBSUF=$SLIBSUF
3516 EXESUF=$EXESUF
3517 EXTRA_VERSION=$extra_version
3518 DEPFLAGS=$DEPFLAGS
3519 CCDEP=$CCDEP
3520 CXXDEP=$CXXDEP
3521 ASDEP=$ASDEP
3522 CC_DEPFLAGS=$CC_DEPFLAGS
3523 AS_DEPFLAGS=$AS_DEPFLAGS
3524 HOSTCC=$host_cc
3525 HOSTCFLAGS=$host_cflags
3526 HOSTEXESUF=$HOSTEXESUF
3527 HOSTLDFLAGS=$host_ldflags
3528 HOSTLIBS=$host_libs
3529 TARGET_EXEC=$target_exec
3530 TARGET_PATH=$target_path
3531 SDL_LIBS=$sdl_libs
3532 SDL_CFLAGS=$sdl_cflags
3533 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3534 EXTRALIBS=$extralibs
3535 INSTALL=$install
3536 LIBTARGET=${LIBTARGET}
3537 SLIBNAME=${SLIBNAME}
3538 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3539 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3540 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3541 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3542 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3543 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3544 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3545 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3546 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3547 NOREDZONE_FLAGS=$noredzone_flags
3548 EOF
3549
3550 get_version(){
3551     name=$1
3552     file=$source_path/$2
3553     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3554     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3555     lcname=$(tolower $name)
3556     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3557     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3558 }
3559
3560 get_version LIBAVCODEC  libavcodec/version.h
3561 get_version LIBAVDEVICE libavdevice/avdevice.h
3562 get_version LIBAVFILTER libavfilter/avfilter.h
3563 get_version LIBAVFORMAT libavformat/version.h
3564 get_version LIBAVUTIL   libavutil/avutil.h
3565 get_version LIBPOSTPROC libpostproc/postprocess.h
3566 get_version LIBSWRESAMPLE libswresample/swresample.h
3567 get_version LIBSWSCALE  libswscale/swscale.h
3568
3569 cat > $TMPH <<EOF
3570 /* Automatically generated by configure - do not modify! */
3571 #ifndef FFMPEG_CONFIG_H
3572 #define FFMPEG_CONFIG_H
3573 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3574 #define FFMPEG_LICENSE "$(c_escape $license)"
3575 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3576 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3577 #define CC_TYPE "$cc_type"
3578 #define CC_VERSION $cc_version
3579 #define restrict $_restrict
3580 #define EXTERN_PREFIX "${extern_prefix}"
3581 #define EXTERN_ASM ${extern_prefix}
3582 #define SLIBSUF "$SLIBSUF"
3583 EOF
3584
3585 test -n "$malloc_prefix" &&
3586     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3587
3588 if enabled small || disabled optimizations; then
3589     echo "#undef  av_always_inline"  >> $TMPH
3590     if enabled small; then
3591         echo "#define av_always_inline inline"  >> $TMPH
3592     else
3593         echo "#define av_always_inline av_unused"  >> $TMPH
3594     fi
3595 fi
3596
3597 if enabled yasm; then
3598     append config_files $TMPASM
3599     printf '' >$TMPASM
3600 fi
3601
3602 print_config ARCH_   "$config_files" $ARCH_LIST
3603 print_config HAVE_   "$config_files" $HAVE_LIST
3604 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3605                                      $CONFIG_EXTRA      \
3606                                      $DECODER_LIST      \
3607                                      $ENCODER_LIST      \
3608                                      $HWACCEL_LIST      \
3609                                      $PARSER_LIST       \
3610                                      $BSF_LIST          \
3611                                      $DEMUXER_LIST      \
3612                                      $MUXER_LIST        \
3613                                      $FILTER_LIST       \
3614                                      $PROTOCOL_LIST     \
3615                                      $INDEV_LIST        \
3616                                      $OUTDEV_LIST       \
3617
3618 cat >>config.mak <<EOF
3619 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3620 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3621 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3622 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3623 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3624 EOF
3625
3626 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3627 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3628
3629 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3630 cp_if_changed $TMPH config.h
3631 touch .config
3632
3633 enabled yasm && cp_if_changed $TMPASM config.asm
3634
3635 cat > $TMPH <<EOF
3636 /* Generated by ffconf */
3637 #ifndef AVUTIL_AVCONFIG_H
3638 #define AVUTIL_AVCONFIG_H
3639 EOF
3640
3641 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3642
3643 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3644
3645 cp_if_changed $TMPH libavutil/avconfig.h
3646
3647 test -n "$WARNINGS" && printf "\n$WARNINGS"
3648
3649 # build pkg-config files
3650
3651 pkgconfig_generate(){
3652 name=$1
3653 shortname=${name#lib}${build_suffix}
3654 comment=$2
3655 version=$3
3656 libs=$4
3657 requires=$5
3658 enabled ${name#lib} || return 0
3659 mkdir -p $name
3660 cat <<EOF > $name/$name.pc
3661 prefix=$prefix
3662 exec_prefix=\${prefix}
3663 libdir=$libdir
3664 includedir=$incdir
3665
3666 Name: $name
3667 Description: $comment
3668 Version: $version
3669 Requires: $(enabled shared || echo $requires)
3670 Requires.private: $(enabled shared && echo $requires)
3671 Conflicts:
3672 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3673 Libs.private: $(enabled shared && echo $libs)
3674 Cflags: -I\${includedir}
3675 EOF
3676 cat <<EOF > $name/$name-uninstalled.pc
3677 prefix=
3678 exec_prefix=
3679 libdir=\${pcfiledir}
3680 includedir=${source_path}
3681
3682 Name: $name
3683 Description: $comment
3684 Version: $version
3685 Requires: $requires
3686 Conflicts:
3687 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3688 Cflags: -I\${includedir}
3689 EOF
3690 }
3691
3692 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3693 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3694 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3695 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3696 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3697 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3698 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3699 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"