configure: disable avconv again.
[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 PROGRAM_LIST="
982     ffplay
983     ffprobe
984     ffserver
985     ffmpeg
986 "
987
988 CONFIG_LIST="
989     $COMPONENT_LIST
990     $PROGRAM_LIST
991     avconv
992     aandct
993     ac3dsp
994     avcodec
995     avdevice
996     avfilter
997     avformat
998     avisynth
999     bzlib
1000     crystalhd
1001     dct
1002     doc
1003     dwt
1004     dxva2
1005     fastdiv
1006     fft
1007     frei0r
1008     gnutls
1009     golomb
1010     gpl
1011     gray
1012     h264chroma
1013     h264dsp
1014     h264pred
1015     hardcoded_tables
1016     huffman
1017     libaacplus
1018     libass
1019     libcdio
1020     libcelt
1021     libdc1394
1022     libdirac
1023     libfaac
1024     libfreetype
1025     libgsm
1026     libmodplug
1027     libmp3lame
1028     libnut
1029     libopencore_amrnb
1030     libopencore_amrwb
1031     libopencv
1032     libopenjpeg
1033     libpulse
1034     librtmp
1035     libschroedinger
1036     libspeex
1037     libstagefright_h264
1038     libtheora
1039     libutvideo
1040     libv4l2
1041     libvo_aacenc
1042     libvo_amrwbenc
1043     libvorbis
1044     libvpx
1045     libx264
1046     libxavs
1047     libxvid
1048     lpc
1049     lsp
1050     mdct
1051     memalign_hack
1052     mlib
1053     mpegaudiodsp
1054     network
1055     nonfree
1056     openal
1057     openssl
1058     pic
1059     postproc
1060     rdft
1061     rtpdec
1062     runtime_cpudetect
1063     shared
1064     sinewin
1065     small
1066     sram
1067     static
1068     swresample
1069     swscale
1070     swscale_alpha
1071     thumb
1072     vaapi
1073     vda
1074     vdpau
1075     version3
1076     x11grab
1077     zlib
1078 "
1079
1080 THREADS_LIST='
1081     pthreads
1082     w32threads
1083     os2threads
1084 '
1085
1086 ARCH_LIST='
1087     alpha
1088     arm
1089     avr32
1090     avr32_ap
1091     avr32_uc
1092     bfin
1093     ia64
1094     m68k
1095     mips
1096     mips64
1097     parisc
1098     ppc
1099     ppc64
1100     s390
1101     sh4
1102     sparc
1103     sparc64
1104     tomi
1105     x86
1106     x86_32
1107     x86_64
1108 '
1109
1110 ARCH_EXT_LIST='
1111     altivec
1112     amd3dnow
1113     amd3dnowext
1114     armv5te
1115     armv6
1116     armv6t2
1117     armvfp
1118     avx
1119     iwmmxt
1120     mmi
1121     mmx
1122     mmx2
1123     neon
1124     ppc4xx
1125     sse
1126     ssse3
1127     vfpv3
1128     vis
1129 '
1130
1131 HAVE_LIST_PUB='
1132     bigendian
1133     fast_unaligned
1134 '
1135
1136 HAVE_LIST="
1137     $ARCH_EXT_LIST
1138     $HAVE_LIST_PUB
1139     $THREADS_LIST
1140     aligned_stack
1141     alsa_asoundlib_h
1142     altivec_h
1143     arpa_inet_h
1144     asm_mod_y
1145     asm_types_h
1146     attribute_may_alias
1147     attribute_packed
1148     cbrtf
1149     closesocket
1150     cmov
1151     dcbzl
1152     dev_bktr_ioctl_bt848_h
1153     dev_bktr_ioctl_meteor_h
1154     dev_ic_bt8xx_h
1155     dev_video_bktr_ioctl_bt848_h
1156     dev_video_meteor_ioctl_meteor_h
1157     dlfcn_h
1158     dlopen
1159     dos_paths
1160     ebp_available
1161     ebx_available
1162     exp2
1163     exp2f
1164     fast_64bit
1165     fast_clz
1166     fast_cmov
1167     fcntl
1168     fork
1169     getaddrinfo
1170     gethrtime
1171     GetProcessMemoryInfo
1172     GetProcessTimes
1173     getrusage
1174     gnu_as
1175     ibm_asm
1176     inet_aton
1177     inline_asm
1178     isatty
1179     kbhit
1180     ldbrx
1181     llrint
1182     llrintf
1183     local_aligned_16
1184     local_aligned_8
1185     localtime_r
1186     log2
1187     log2f
1188     loongson
1189     lrint
1190     lrintf
1191     lzo1x_999_compress
1192     machine_ioctl_bt848_h
1193     machine_ioctl_meteor_h
1194     malloc_h
1195     MapViewOfFile
1196     memalign
1197     mkstemp
1198     mmap
1199     PeekNamedPipe
1200     poll_h
1201     posix_memalign
1202     round
1203     roundf
1204     sdl
1205     sdl_video_size
1206     setmode
1207     setrlimit
1208     sndio_h
1209     socklen_t
1210     soundcard_h
1211     strerror_r
1212     strptime
1213     struct_addrinfo
1214     struct_ipv6_mreq
1215     struct_rusage_ru_maxrss
1216     struct_sockaddr_in6
1217     struct_sockaddr_sa_len
1218     struct_sockaddr_storage
1219     symver
1220     symver_asm_label
1221     symver_gnu_asm
1222     sys_mman_h
1223     sys_resource_h
1224     sys_select_h
1225     sys_soundcard_h
1226     sys_videoio_h
1227     termios_h
1228     threads
1229     trunc
1230     truncf
1231     vfp_args
1232     VirtualAlloc
1233     winsock2_h
1234     xform_asm
1235     xmm_clobbers
1236     yasm
1237 "
1238
1239 # options emitted with CONFIG_ prefix but not available on command line
1240 CONFIG_EXTRA="
1241     avutil
1242     gplv3
1243     lgplv3
1244 "
1245
1246 CMDLINE_SELECT="
1247     $ARCH_EXT_LIST
1248     $CONFIG_LIST
1249     $THREADS_LIST
1250     asm
1251     coverage
1252     cross_compile
1253     debug
1254     extra_warnings
1255     logging
1256     optimizations
1257     stripping
1258     symver
1259     yasm
1260 "
1261
1262 PATHS_LIST='
1263     bindir
1264     datadir
1265     incdir
1266     libdir
1267     mandir
1268     prefix
1269     shlibdir
1270 '
1271
1272 CMDLINE_SET="
1273     $PATHS_LIST
1274     ar
1275     arch
1276     as
1277     build_suffix
1278     progs_suffix
1279     cc
1280     cpu
1281     cross_prefix
1282     cxx
1283     dep_cc
1284     extra_version
1285     host_cc
1286     host_cflags
1287     host_ldflags
1288     host_libs
1289     host_os
1290     install
1291     ld
1292     logfile
1293     malloc_prefix
1294     nm
1295     optflags
1296     pkg_config
1297     samples
1298     strip
1299     sysinclude
1300     sysroot
1301     target_exec
1302     target_os
1303     target_path
1304 "
1305
1306 CMDLINE_APPEND="
1307     extra_cflags
1308     extra_cxxflags
1309 "
1310
1311 # code dependency declarations
1312
1313 # architecture extensions
1314
1315 armv5te_deps="arm"
1316 armv6_deps="arm"
1317 armv6t2_deps="arm"
1318 armvfp_deps="arm"
1319 iwmmxt_deps="arm"
1320 neon_deps="arm"
1321 vfpv3_deps="armvfp"
1322
1323 mmi_deps="mips"
1324
1325 altivec_deps="ppc"
1326 ppc4xx_deps="ppc"
1327
1328 vis_deps="sparc"
1329
1330 x86_64_suggest="cmov fast_cmov"
1331 amd3dnow_deps="mmx"
1332 amd3dnowext_deps="amd3dnow"
1333 mmx_deps="x86"
1334 mmx2_deps="mmx"
1335 sse_deps="mmx"
1336 ssse3_deps="sse"
1337 avx_deps="ssse3"
1338
1339 aligned_stack_if_any="ppc x86"
1340 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1341 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1342 fast_unaligned_if_any="armv6 ppc x86"
1343
1344 inline_asm_deps="!tms470"
1345 need_memalign="altivec neon sse"
1346
1347 symver_if_any="symver_asm_label symver_gnu_asm"
1348
1349 # subsystems
1350 dct_select="rdft"
1351 mdct_select="fft"
1352 rdft_select="fft"
1353 mpegaudiodsp_select="dct"
1354
1355 # decoders / encoders / hardware accelerators
1356 aac_decoder_select="mdct sinewin"
1357 aac_encoder_select="mdct sinewin"
1358 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1359 ac3_decoder_select="mdct ac3dsp ac3_parser"
1360 ac3_encoder_select="mdct ac3dsp"
1361 ac3_fixed_encoder_select="mdct ac3dsp"
1362 alac_encoder_select="lpc"
1363 amrnb_decoder_select="lsp"
1364 amrwb_decoder_select="lsp"
1365 atrac1_decoder_select="mdct sinewin"
1366 atrac3_decoder_select="mdct"
1367 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1368 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1369 cavs_decoder_select="golomb"
1370 cook_decoder_select="mdct sinewin"
1371 cscd_decoder_suggest="zlib"
1372 dca_decoder_select="mdct"
1373 dnxhd_encoder_select="aandct"
1374 dxa_decoder_select="zlib"
1375 eac3_decoder_select="ac3_decoder"
1376 eac3_encoder_select="mdct ac3dsp"
1377 eamad_decoder_select="aandct"
1378 eatgq_decoder_select="aandct"
1379 eatqi_decoder_select="aandct"
1380 ffv1_decoder_select="golomb"
1381 flac_decoder_select="golomb"
1382 flac_encoder_select="golomb lpc"
1383 flashsv_decoder_select="zlib"
1384 flashsv_encoder_select="zlib"
1385 flashsv2_encoder_select="zlib"
1386 flashsv2_decoder_select="zlib"
1387 flv_decoder_select="h263_decoder"
1388 flv_encoder_select="h263_encoder"
1389 fraps_decoder_select="huffman"
1390 h261_encoder_select="aandct"
1391 h263_decoder_select="h263_parser"
1392 h263_encoder_select="aandct"
1393 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1394 h263i_decoder_select="h263_decoder"
1395 h263p_encoder_select="h263_encoder"
1396 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1397 h264_decoder_select="golomb h264chroma h264dsp h264pred"
1398 h264_dxva2_hwaccel_deps="dxva2api_h"
1399 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1400 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1401 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1402 h264_vda_hwaccel_select="vda h264_decoder"
1403 h264_vdpau_decoder_select="vdpau h264_decoder"
1404 imc_decoder_select="fft mdct sinewin"
1405 jpegls_decoder_select="golomb"
1406 jpegls_encoder_select="golomb"
1407 ljpeg_encoder_select="aandct"
1408 loco_decoder_select="golomb"
1409 mjpeg_encoder_select="aandct"
1410 mlp_decoder_select="mlp_parser"
1411 mp1_decoder_select="mpegaudiodsp"
1412 mp1float_decoder_select="mpegaudiodsp"
1413 mp2_decoder_select="mpegaudiodsp"
1414 mp2float_decoder_select="mpegaudiodsp"
1415 mp3_decoder_select="mpegaudiodsp"
1416 mp3adu_decoder_select="mpegaudiodsp"
1417 mp3adufloat_decoder_select="mpegaudiodsp"
1418 mp3float_decoder_select="mpegaudiodsp"
1419 mp3on4_decoder_select="mpegaudiodsp"
1420 mp3on4float_decoder_select="mpegaudiodsp"
1421 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1422 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1423 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1424 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1425 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1426 mpeg1video_encoder_select="aandct"
1427 mpeg2_crystalhd_decoder_select="crystalhd"
1428 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1429 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1430 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1431 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1432 mpeg2video_encoder_select="aandct"
1433 mpeg4_crystalhd_decoder_select="crystalhd"
1434 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1435 mpeg4_encoder_select="h263_encoder"
1436 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1437 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1438 msmpeg4_crystalhd_decoder_select="crystalhd"
1439 msmpeg4v1_decoder_select="h263_decoder"
1440 msmpeg4v1_encoder_select="h263_encoder"
1441 msmpeg4v2_decoder_select="h263_decoder"
1442 msmpeg4v2_encoder_select="h263_encoder"
1443 msmpeg4v3_decoder_select="h263_decoder"
1444 msmpeg4v3_encoder_select="h263_encoder"
1445 nellymoser_decoder_select="mdct sinewin"
1446 nellymoser_encoder_select="mdct sinewin"
1447 png_decoder_select="zlib"
1448 png_encoder_select="zlib"
1449 qcelp_decoder_select="lsp"
1450 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1451 ra_144_encoder_select="lpc"
1452 rv10_decoder_select="h263_decoder"
1453 rv10_encoder_select="h263_encoder"
1454 rv20_decoder_select="h263_decoder"
1455 rv20_encoder_select="h263_encoder"
1456 rv30_decoder_select="golomb h264chroma h264pred"
1457 rv40_decoder_select="golomb h264chroma h264pred"
1458 shorten_decoder_select="golomb"
1459 sipr_decoder_select="lsp"
1460 snow_decoder_select="dwt"
1461 snow_encoder_select="aandct dwt"
1462 sonic_decoder_select="golomb"
1463 sonic_encoder_select="golomb"
1464 sonic_ls_encoder_select="golomb"
1465 svq1_encoder_select="aandct"
1466 svq3_decoder_select="golomb h264chroma h264dsp h264pred"
1467 svq3_decoder_suggest="zlib"
1468 theora_decoder_select="vp3_decoder"
1469 tiff_decoder_suggest="zlib"
1470 tiff_encoder_suggest="zlib"
1471 truehd_decoder_select="mlp_decoder"
1472 tscc_decoder_select="zlib"
1473 twinvq_decoder_select="mdct lsp sinewin"
1474 vc1_crystalhd_decoder_select="crystalhd"
1475 vc1_decoder_select="h263_decoder h264chroma"
1476 vc1_dxva2_hwaccel_deps="dxva2api_h"
1477 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1478 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1479 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1480 vc1image_decoder_select="vc1_decoder"
1481 vorbis_decoder_select="mdct"
1482 vorbis_encoder_select="mdct"
1483 vp6_decoder_select="huffman"
1484 vp6a_decoder_select="vp6_decoder"
1485 vp6f_decoder_select="vp6_decoder"
1486 vp8_decoder_select="h264pred"
1487 wmapro_decoder_select="mdct sinewin"
1488 wmav1_decoder_select="mdct sinewin"
1489 wmav1_encoder_select="mdct sinewin"
1490 wmav2_decoder_select="mdct sinewin"
1491 wmav2_encoder_select="mdct sinewin"
1492 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1493 wmv1_decoder_select="h263_decoder"
1494 wmv1_encoder_select="h263_encoder"
1495 wmv2_decoder_select="h263_decoder"
1496 wmv2_encoder_select="h263_encoder"
1497 wmv3_decoder_select="vc1_decoder"
1498 wmv3_crystalhd_decoder_select="crystalhd"
1499 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1500 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1501 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1502 wmv3image_decoder_select="wmv3_decoder"
1503 zlib_decoder_select="zlib"
1504 zlib_encoder_select="zlib"
1505 zmbv_decoder_select="zlib"
1506 zmbv_encoder_select="zlib"
1507
1508 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1509 vaapi_deps="va_va_h"
1510 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1511 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1512
1513 # parsers
1514 h264_parser_select="golomb h264chroma h264dsp h264pred"
1515
1516 # external libraries
1517 libaacplus_encoder_deps="libaacplus"
1518 libcelt_decoder_deps="libcelt"
1519 libdirac_decoder_deps="libdirac !libschroedinger"
1520 libdirac_encoder_deps="libdirac"
1521 libfaac_encoder_deps="libfaac"
1522 libgsm_decoder_deps="libgsm"
1523 libgsm_encoder_deps="libgsm"
1524 libgsm_ms_decoder_deps="libgsm"
1525 libgsm_ms_encoder_deps="libgsm"
1526 libmodplug_demuxer_deps="libmodplug"
1527 libmp3lame_encoder_deps="libmp3lame"
1528 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1529 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1530 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1531 libopenjpeg_decoder_deps="libopenjpeg"
1532 libopenjpeg_encoder_deps="libopenjpeg"
1533 libschroedinger_decoder_deps="libschroedinger"
1534 libschroedinger_encoder_deps="libschroedinger"
1535 libspeex_decoder_deps="libspeex"
1536 libspeex_encoder_deps="libspeex"
1537 libstagefright_h264_decoder_deps="libstagefright_h264"
1538 libtheora_encoder_deps="libtheora"
1539 libvo_aacenc_encoder_deps="libvo_aacenc"
1540 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1541 libvorbis_encoder_deps="libvorbis"
1542 libvpx_decoder_deps="libvpx"
1543 libvpx_encoder_deps="libvpx"
1544 libx264_encoder_deps="libx264"
1545 libx264rgb_encoder_deps="libx264"
1546 libxavs_encoder_deps="libxavs"
1547 libxvid_encoder_deps="libxvid"
1548 libutvideo_decoder_deps="libutvideo gpl"
1549
1550 # demuxers / muxers
1551 ac3_demuxer_select="ac3_parser"
1552 asf_stream_muxer_select="asf_muxer"
1553 avisynth_demuxer_deps="avisynth"
1554 dirac_demuxer_select="dirac_parser"
1555 eac3_demuxer_select="ac3_parser"
1556 flac_demuxer_select="flac_parser"
1557 ipod_muxer_select="mov_muxer"
1558 libnut_demuxer_deps="libnut"
1559 libnut_muxer_deps="libnut"
1560 matroska_audio_muxer_select="matroska_muxer"
1561 matroska_demuxer_suggest="zlib bzlib"
1562 mov_demuxer_suggest="zlib"
1563 mp3_demuxer_select="mpegaudio_parser"
1564 mp4_muxer_select="mov_muxer"
1565 mpegtsraw_demuxer_select="mpegts_demuxer"
1566 mxf_d10_muxer_select="mxf_muxer"
1567 ogg_demuxer_select="golomb"
1568 psp_muxer_select="mov_muxer"
1569 rtp_demuxer_select="sdp_demuxer"
1570 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1571 rtsp_demuxer_select="http_protocol rtpdec"
1572 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1573 sap_demuxer_select="sdp_demuxer"
1574 sap_muxer_select="rtp_muxer rtp_protocol"
1575 sdp_demuxer_select="rtpdec"
1576 spdif_muxer_select="aac_parser"
1577 tg2_muxer_select="mov_muxer"
1578 tgp_muxer_select="mov_muxer"
1579 w64_demuxer_deps="wav_demuxer"
1580
1581 # indevs / outdevs
1582 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1583 alsa_outdev_deps="alsa_asoundlib_h"
1584 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1585 dshow_indev_deps="IBaseFilter"
1586 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1587 dv1394_indev_deps="dv1394 dv_demuxer"
1588 fbdev_indev_deps="linux_fb_h"
1589 jack_indev_deps="jack_jack_h sem_timedwait"
1590 lavfi_indev_deps="avfilter"
1591 libcdio_indev_deps="libcdio"
1592 libdc1394_indev_deps="libdc1394"
1593 libv4l2_indev_deps="libv4l2"
1594 openal_indev_deps="openal"
1595 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1596 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1597 pulse_indev_deps="libpulse"
1598 sdl_outdev_deps="sdl"
1599 sndio_indev_deps="sndio_h"
1600 sndio_outdev_deps="sndio_h"
1601 v4l_indev_deps="linux_videodev_h"
1602 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1603 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1604 vfwcap_indev_extralibs="-lavicap32"
1605 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1606 x11_grab_device_indev_extralibs="-lX11 -lXext -lXfixes"
1607
1608 # protocols
1609 gopher_protocol_deps="network"
1610 httpproxy_protocol_deps="network"
1611 httpproxy_protocol_select="tcp_protocol"
1612 http_protocol_deps="network"
1613 http_protocol_select="tcp_protocol"
1614 https_protocol_select="tls_protocol"
1615 mmsh_protocol_select="http_protocol"
1616 mmst_protocol_deps="network"
1617 rtmp_protocol_select="tcp_protocol"
1618 rtp_protocol_select="udp_protocol"
1619 tcp_protocol_deps="network"
1620 tls_protocol_deps_any="openssl gnutls"
1621 tls_protocol_select="tcp_protocol"
1622 udp_protocol_deps="network"
1623
1624 # filters
1625 amovie_filter_deps="avcodec avformat"
1626 ass_filter_deps="libass"
1627 blackframe_filter_deps="gpl"
1628 boxblur_filter_deps="gpl"
1629 cropdetect_filter_deps="gpl"
1630 delogo_filter_deps="gpl"
1631 drawtext_filter_deps="libfreetype"
1632 frei0r_filter_deps="frei0r dlopen"
1633 frei0r_src_filter_deps="frei0r dlopen"
1634 hqdn3d_filter_deps="gpl"
1635 movie_filter_deps="avcodec avformat"
1636 mp_filter_deps="gpl avcodec"
1637 mptestsrc_filter_deps="gpl"
1638 negate_filter_deps="lut_filter"
1639 ocv_filter_deps="libopencv"
1640 scale_filter_deps="swscale"
1641 yadif_filter_deps="gpl"
1642
1643 # libraries
1644 avdevice_deps="avcodec avformat"
1645 avformat_deps="avcodec"
1646 postproc_deps="gpl"
1647
1648 # programs
1649 avconv_deps="avcodec avformat swscale"
1650 avconv_select="buffer_filter"
1651 ffplay_deps="avcodec avformat swscale sdl"
1652 ffplay_select="buffersink_filter rdft"
1653 ffprobe_deps="avcodec avformat"
1654 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1655 ffserver_extralibs='$ldl'
1656 ffmpeg_deps="avcodec avformat swscale swresample"
1657 ffmpeg_select="buffer_filter buffersink_filter"
1658
1659 doc_deps="texi2html"
1660
1661 # tests
1662
1663 test_deps(){
1664     suf1=$1
1665     suf2=$2
1666     shift 2
1667     for v; do
1668         dep=${v%=*}
1669         tests=${v#*=}
1670         for name in ${tests}; do
1671             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1672         done
1673     done
1674 }
1675
1676 mxf_d10_test_deps="avfilter"
1677 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1678
1679 test_deps _encoder _decoder                                             \
1680     adpcm_ima_qt                                                        \
1681     adpcm_ima_wav                                                       \
1682     adpcm_ms                                                            \
1683     adpcm_swf                                                           \
1684     adpcm_yamaha=adpcm_yam                                              \
1685     alac                                                                \
1686     asv1                                                                \
1687     asv2                                                                \
1688     bmp                                                                 \
1689     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1690     dvvideo="dv dv_411 dv50"                                            \
1691     ffv1                                                                \
1692     flac                                                                \
1693     flashsv                                                             \
1694     flv                                                                 \
1695     adpcm_g726=g726                                                     \
1696     gif                                                                 \
1697     h261                                                                \
1698     h263="h263 h263p"                                                   \
1699     huffyuv                                                             \
1700     jpegls                                                              \
1701     mjpeg="jpg mjpeg ljpeg"                                             \
1702     mp2                                                                 \
1703     mpeg1video="mpeg mpeg1b"                                            \
1704     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1705     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1706     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1707     mpeg4="mpeg4thread error rc"                                        \
1708     msmpeg4v3=msmpeg4                                                   \
1709     msmpeg4v2                                                           \
1710     pbm=pbmpipe                                                         \
1711     pcx                                                                 \
1712     pgm="pgm pgmpipe"                                                   \
1713     png                                                                 \
1714     ppm="ppm ppmpipe"                                                   \
1715     rawvideo="rgb yuv"                                                  \
1716     roq                                                                 \
1717     rv10                                                                \
1718     rv20                                                                \
1719     sgi                                                                 \
1720     snow="snow snowll"                                                  \
1721     svq1                                                                \
1722     targa=tga                                                           \
1723     tiff                                                                \
1724     wmav1                                                               \
1725     wmav2                                                               \
1726     wmv1                                                                \
1727     wmv2                                                                \
1728
1729 test_deps _muxer _demuxer                                               \
1730     aiff                                                                \
1731     pcm_alaw=alaw                                                       \
1732     asf                                                                 \
1733     au                                                                  \
1734     avi                                                                 \
1735     dv=dv_fmt                                                           \
1736     ffm                                                                 \
1737     flv=flv_fmt                                                         \
1738     gxf                                                                 \
1739     matroska=mkv                                                        \
1740     mmf                                                                 \
1741     mov                                                                 \
1742     pcm_mulaw=mulaw                                                     \
1743     mxf="mxf mxf_d10"                                                   \
1744     nut                                                                 \
1745     ogg                                                                 \
1746     rawvideo=pixfmt                                                     \
1747     rm                                                                  \
1748     swf                                                                 \
1749     mpegts=ts                                                           \
1750     voc                                                                 \
1751     wav                                                                 \
1752     yuv4mpegpipe=yuv4mpeg                                               \
1753
1754 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder rm_muxer rm_demuxer"
1755 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1756
1757 # default parameters
1758
1759 logfile="config.log"
1760
1761 # installation paths
1762 prefix_default="/usr/local"
1763 bindir_default='${prefix}/bin'
1764 datadir_default='${prefix}/share/ffmpeg'
1765 incdir_default='${prefix}/include'
1766 libdir_default='${prefix}/lib'
1767 mandir_default='${prefix}/share/man'
1768 shlibdir_default="$libdir_default"
1769
1770 # toolchain
1771 ar_default="ar"
1772 cc_default="gcc"
1773 cxx_default="g++"
1774 cc_version=\"unknown\"
1775 host_cc_default="gcc"
1776 install="install"
1777 ln_s="ln -sf"
1778 nm_default="nm"
1779 objformat="elf"
1780 pkg_config_default=pkg-config
1781 ranlib="ranlib"
1782 strip_default="strip"
1783 yasmexe="yasm"
1784
1785 nm_opts='-g'
1786 nogas=":"
1787
1788 # machine
1789 arch_default=$(uname -m)
1790 cpu="generic"
1791
1792 # OS
1793 target_os_default=$(tolower $(uname -s))
1794 host_os=$target_os_default
1795
1796 # configurable options
1797 enable $PROGRAM_LIST
1798
1799 enable avcodec
1800 enable avdevice
1801 enable avfilter
1802 enable avformat
1803 enable avutil
1804 enable postproc
1805 enable stripping
1806 enable swresample
1807 enable swscale
1808
1809 enable asm
1810 enable debug
1811 enable doc
1812 enable fastdiv
1813 enable network
1814 enable optimizations
1815 enable static
1816 enable swscale_alpha
1817
1818 # build settings
1819 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1820 FFSERVERLDFLAGS=-Wl,-E
1821 LIBPREF="lib"
1822 LIBSUF=".a"
1823 FULLNAME='$(NAME)$(BUILDSUF)'
1824 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1825 SLIBPREF="lib"
1826 SLIBSUF=".so"
1827 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1828 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1829 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1830 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1831 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1832 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1833
1834 AS_O='-o $@'
1835 CC_O='-o $@'
1836 CXX_O='-o $@'
1837
1838 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1839 host_libs='-lm'
1840
1841 target_path='$(CURDIR)'
1842
1843 # since the object filename is not given with the -MM flag, the compiler
1844 # is only able to print the basename, and we must add the path ourselves
1845 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1846 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1847
1848 # find source path
1849 if test -f configure; then
1850     source_path=.
1851 else
1852     source_path=$(cd $(dirname "$0"); pwd)
1853     echo "$source_path" | grep -q '[[:blank:]]' &&
1854         die "Out of tree builds are impossible with whitespace in source path."
1855     test -e "$source_path/config.h" &&
1856         die "Out of tree builds are impossible with config.h in source dir."
1857 fi
1858
1859 for v in "$@"; do
1860     r=${v#*=}
1861     l=${v%"$r"}
1862     r=$(sh_quote "$r")
1863     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1864 done
1865
1866 find_things(){
1867     thing=$1
1868     pattern=$2
1869     file=$source_path/$3
1870     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1871 }
1872
1873 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1874 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1875 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1876 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1877 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1878 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1879 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1880 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1881 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1882 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1883 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1884
1885 find_tests(){
1886     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1887 }
1888
1889 ACODEC_TESTS=$(find_tests acodec)
1890 VCODEC_TESTS=$(find_tests vsynth1)
1891 LAVF_TESTS=$(find_tests lavf)
1892 LAVFI_TESTS=$(find_tests lavfi)
1893 SEEK_TESTS=$(find_tests seek seek_)
1894
1895 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1896
1897 for n in $COMPONENT_LIST; do
1898     v=$(toupper ${n%s})_LIST
1899     eval enable \$$v
1900     eval ${n}_if_any="\$$v"
1901 done
1902
1903 enable $ARCH_EXT_LIST $ACODEC_TESTS $VCODEC_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS
1904
1905 die_unknown(){
1906     echo "Unknown option \"$1\"."
1907     echo "See $0 --help for available options."
1908     exit 1
1909 }
1910
1911 show_list() {
1912     suffix=_$1
1913     shift
1914     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1915     exit 0
1916 }
1917
1918 for opt do
1919     optval="${opt#*=}"
1920     case "$opt" in
1921     --extra-ldflags=*) add_ldflags $optval
1922     ;;
1923     --extra-libs=*) add_extralibs $optval
1924     ;;
1925     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1926     ;;
1927     --enable-debug=*) debuglevel="$optval"
1928     ;;
1929     --disable-everything)
1930     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1931     ;;
1932     --enable-*=*|--disable-*=*)
1933     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1934     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1935     eval list=\$$(toupper $thing)_LIST
1936     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1937     $action $(filter "$name" $list)
1938     ;;
1939     --enable-?*|--disable-?*)
1940     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1941     if is_in $option $COMPONENT_LIST; then
1942         test $action = disable && action=unset
1943         eval $action \$$(toupper ${option%s})_LIST
1944     elif is_in $option $CMDLINE_SELECT; then
1945         $action $option
1946     else
1947         die_unknown $opt
1948     fi
1949     ;;
1950     --list-*)
1951         NAME="${opt#--list-}"
1952         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1953         NAME=${NAME%s}
1954         eval show_list $NAME \$$(toupper $NAME)_LIST
1955     ;;
1956     --help|-h) show_help
1957     ;;
1958     *)
1959     optname="${opt%%=*}"
1960     optname="${optname#--}"
1961     optname=$(echo "$optname" | sed 's/-/_/g')
1962     if is_in $optname $CMDLINE_SET; then
1963         eval $optname='$optval'
1964     elif is_in $optname $CMDLINE_APPEND; then
1965         append $optname "$optval"
1966     else
1967          die_unknown $opt
1968     fi
1969     ;;
1970     esac
1971 done
1972
1973 disabled logging && logfile=/dev/null
1974
1975 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
1976 set >> $logfile
1977
1978 test -n "$cross_prefix" && enable cross_compile
1979
1980 if enabled cross_compile; then
1981     test -n "$arch" && test -n "$target_os" ||
1982         die "Must specify target arch and OS when cross-compiling"
1983 fi
1984
1985 set_default arch target_os
1986
1987 ar_default="${cross_prefix}${ar_default}"
1988 cc_default="${cross_prefix}${cc_default}"
1989 cxx_default="${cross_prefix}${cxx_default}"
1990 nm_default="${cross_prefix}${nm_default}"
1991 pkg_config_default="${cross_prefix}${pkg_config_default}"
1992 ranlib="${cross_prefix}${ranlib}"
1993 strip_default="${cross_prefix}${strip_default}"
1994
1995 sysinclude_default="${sysroot}/usr/include"
1996
1997 set_default cc cxx nm pkg_config strip sysinclude
1998 enabled cross_compile || host_cc_default=$cc
1999 set_default host_cc
2000
2001 if ! $pkg_config --version >/dev/null 2>&1; then
2002     warn "$pkg_config not found, library detection may fail."
2003     pkg_config=false
2004 fi
2005
2006 exesuf() {
2007     case $1 in
2008         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2009     esac
2010 }
2011
2012 EXESUF=$(exesuf $target_os)
2013 HOSTEXESUF=$(exesuf $host_os)
2014
2015 # set temporary file name
2016 : ${TMPDIR:=$TEMPDIR}
2017 : ${TMPDIR:=$TMP}
2018 : ${TMPDIR:=/tmp}
2019
2020 if ! check_cmd mktemp -u XXXXXX; then
2021     # simple replacement for missing mktemp
2022     # NOT SAFE FOR GENERAL USE
2023     mktemp(){
2024         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2025     }
2026 fi
2027
2028 tmpfile(){
2029     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2030         (set -C; exec > $tmp) 2>/dev/null ||
2031         die "Unable to create temporary file in $TMPDIR."
2032     append TMPFILES $tmp
2033     eval $1=$tmp
2034 }
2035
2036 trap 'rm -f -- $TMPFILES' EXIT
2037
2038 tmpfile TMPASM .asm
2039 tmpfile TMPC   .c
2040 tmpfile TMPCPP .cpp
2041 tmpfile TMPE   $EXESUF
2042 tmpfile TMPH   .h
2043 tmpfile TMPO   .o
2044 tmpfile TMPS   .S
2045 tmpfile TMPSH  .sh
2046 tmpfile TMPV   .ver
2047
2048 unset -f mktemp
2049
2050 chmod +x $TMPE
2051
2052 # make sure we can execute files in $TMPDIR
2053 cat > $TMPSH 2>> $logfile <<EOF
2054 #! /bin/sh
2055 EOF
2056 chmod +x $TMPSH >> $logfile 2>&1
2057 if ! $TMPSH >> $logfile 2>&1; then
2058     cat <<EOF
2059 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2060 variable to another directory and make sure that it is not mounted noexec.
2061 EOF
2062     die "Sanity test failed."
2063 fi
2064
2065 filter_asflags=echo
2066 filter_cflags=echo
2067 filter_cppflags=echo
2068
2069 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2070     cc_type=llvm_gcc
2071     cc_version=__VERSION__
2072     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2073     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2074     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2075     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2076     speed_cflags='-O3'
2077     size_cflags='-Os'
2078 elif $cc -v 2>&1 | grep -qi ^gcc; then
2079     cc_type=gcc
2080     cc_version=__VERSION__
2081     gcc_version=$($cc --version | head -n1)
2082     gcc_basever=$($cc -dumpversion)
2083     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2084     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2085     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2086     if ! $cc -dumpversion | grep -q '^2\.'; then
2087         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2088         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2089     fi
2090     speed_cflags='-O3'
2091     size_cflags='-Os'
2092 elif $cc --version 2>/dev/null | grep -q Intel; then
2093     cc_type=icc
2094     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2095     cc_ident=$($cc --version | head -n1)
2096     icc_version=$($cc -dumpversion)
2097     CC_DEPFLAGS='-MMD'
2098     AS_DEPFLAGS='-MMD'
2099     speed_cflags='-O3'
2100     size_cflags='-Os'
2101     noopt_cflags='-O1'
2102 elif $cc -v 2>&1 | grep -q xlc; then
2103     cc_type=xlc
2104     cc_version="AV_STRINGIFY(__IBMC__)"
2105     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2106     speed_cflags='-O5'
2107     size_cflags='-O5 -qcompact'
2108 elif $cc -V 2>/dev/null | grep -q Compaq; then
2109     cc_type=ccc
2110     cc_version="AV_STRINGIFY(__DECC_VER)"
2111     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2112     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2113     debuglevel=3
2114     add_ldflags -Wl,-z,now # calls to libots crash without this
2115     speed_cflags='-fast'
2116     size_cflags='-O1'
2117 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2118     test -d "$sysroot" || die "No valid sysroot specified."
2119     cc_type=armcc
2120     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2121     cc_ident=$($cc --vsn | head -n1)
2122     armcc_conf="$PWD/armcc.conf"
2123     $cc --arm_linux_configure                 \
2124         --arm_linux_config_file="$armcc_conf" \
2125         --configure_sysroot="$sysroot"        \
2126         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2127         die "Error creating armcc configuration file."
2128     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2129     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2130     as_default="${cross_prefix}gcc"
2131     CC_DEPFLAGS='-MMD'
2132     AS_DEPFLAGS='-MMD'
2133     speed_cflags='-O3'
2134     size_cflags='-Os'
2135     filter_asflags="filter_out -W${armcc_opt}*"
2136 elif $cc -version 2>/dev/null | grep -q TMS470; then
2137     cc_type=tms470
2138     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2139     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2140     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2141     CC_O='-fr=$(@D)'
2142     as_default="${cross_prefix}gcc"
2143     ld_default="${cross_prefix}gcc"
2144     TMPO=$(basename $TMPC .c).o
2145     append TMPFILES $TMPO
2146     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2147     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2148     AS_DEPFLAGS='-MMD'
2149     speed_cflags='-O3 -mf=5'
2150     size_cflags='-O3 -mf=2'
2151     filter_cflags=tms470_flags
2152     tms470_flags(){
2153         for flag; do
2154             case $flag in
2155                 -march=*|-mcpu=*)
2156                     case "${flag#*=}" in
2157                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2158                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2159                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2160                         armv6*|arm11*)          echo -mv=6   ;;
2161                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2162                                                 echo -mv=5e  ;;
2163                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2164                     esac
2165                     ;;
2166                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2167                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2168                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2169                 -msoft-float)   echo --float_support=vfplib       ;;
2170                 -O[0-3]|-mf=*)  echo $flag                        ;;
2171                 -g)             echo -g -mn                       ;;
2172                 -pds=*)         echo $flag                        ;;
2173             esac
2174         done
2175     }
2176 elif $cc -v 2>&1 | grep -q clang; then
2177     cc_type=clang
2178     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2179         cc_version=__clang_version__ || cc_version=__VERSION__
2180     cc_ident=$($cc --version | head -n1)
2181     CC_DEPFLAGS='-MMD'
2182     AS_DEPFLAGS='-MMD'
2183     speed_cflags='-O3'
2184     size_cflags='-Os'
2185 elif $cc -V 2>&1 | grep -q Sun; then
2186     cc_type=suncc
2187     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2188     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2189     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2190     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2191     add_ldflags -xc99
2192     speed_cflags='-O5'
2193     size_cflags='-O5 -xspace'
2194     filter_cflags=suncc_flags
2195     suncc_flags(){
2196         for flag; do
2197             case $flag in
2198                 -march=*|-mcpu=*)
2199                     case "${flag#*=}" in
2200                         native)                   echo -xtarget=native       ;;
2201                         v9|niagara)               echo -xarch=sparc          ;;
2202                         ultrasparc)               echo -xarch=sparcvis       ;;
2203                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2204                         i586|pentium)             echo -xchip=pentium        ;;
2205                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2206                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2207                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2208                         pentium4*)          echo -xtarget=pentium4           ;;
2209                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2210                         *-sse3)             echo -xarch=sse3                 ;;
2211                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2212                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2213                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2214                         k8|opteron|athlon64|athlon-fx)
2215                                                   echo -xarch=sse2a          ;;
2216                         athlon*)                  echo -xarch=pentium_proa   ;;
2217                     esac
2218                     ;;
2219                 -std=c99)             echo -xc99              ;;
2220                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2221                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2222                 -W*,*)                echo $flag              ;;
2223                 -f*-*|-W*)                                    ;;
2224                 *)                    echo $flag              ;;
2225             esac
2226         done
2227     }
2228 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2229     cc_type=pathscale
2230     cc_version=__PATHSCALE__
2231     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2232     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2233     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2234     speed_cflags='-O2'
2235     size_cflags='-Os'
2236     filter_cflags='filter_out -Wdisabled-optimization'
2237 elif $cc -v 2>&1 | grep -q Open64; then
2238     cc_type=open64
2239     cc_version=__OPEN64__
2240     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2241     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2242     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2243     speed_cflags='-O2'
2244     size_cflags='-Os'
2245     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2246 fi
2247
2248 test -n "$cc_type" && enable $cc_type ||
2249     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2250
2251 : ${as_default:=$cc}
2252 : ${dep_cc_default:=$cc}
2253 : ${ld_default:=$cc}
2254 set_default ar as dep_cc ld
2255
2256 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2257 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2258 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2259
2260 add_cflags $extra_cflags
2261 add_cxxflags $extra_cxxflags
2262 add_asflags $extra_cflags
2263
2264 if test -n "$sysroot"; then
2265     case "$cc_type" in
2266         gcc|llvm_gcc|clang)
2267             add_cppflags --sysroot="$sysroot"
2268             add_ldflags --sysroot="$sysroot"
2269         ;;
2270         tms470)
2271             add_cppflags -I"$sysinclude"
2272             add_ldflags  --sysroot="$sysroot"
2273         ;;
2274     esac
2275 fi
2276
2277 if test "$cpu" = host; then
2278     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2279
2280     case "$cc_type" in
2281         gcc|llvm_gcc)
2282             check_native(){
2283                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2284                 sed -n "/cc1.*$1=/{
2285                             s/.*$1=\\([^ ]*\\).*/\\1/
2286                             p
2287                             q
2288                         }" $TMPE
2289             }
2290             cpu=$(check_native -march || check_native -mcpu)
2291         ;;
2292     esac
2293
2294     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2295 fi
2296
2297 # Deal with common $arch aliases
2298 case "$arch" in
2299     arm*)
2300         arch="arm"
2301     ;;
2302     mips|mipsel|IP*)
2303         arch="mips"
2304     ;;
2305     mips64*)
2306         arch="mips"
2307         subarch="mips64"
2308     ;;
2309     parisc|hppa)
2310         arch="parisc"
2311     ;;
2312     parisc64|hppa64)
2313         arch="parisc"
2314         subarch="parisc64"
2315     ;;
2316     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2317         arch="ppc"
2318     ;;
2319     s390|s390x)
2320         arch="s390"
2321     ;;
2322     sh4|sh)
2323         arch="sh4"
2324     ;;
2325     sun4u|sparc64)
2326         arch="sparc"
2327         subarch="sparc64"
2328     ;;
2329     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2330         arch="x86"
2331     ;;
2332 esac
2333
2334 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2335 enable $arch
2336
2337 # Add processor-specific flags
2338 if test "$cpu" = generic; then
2339     : do nothing
2340 elif enabled ppc; then
2341
2342     case $(tolower $cpu) in
2343         601|ppc601|powerpc601)
2344             cpuflags="-mcpu=601"
2345             disable altivec
2346         ;;
2347         603*|ppc603*|powerpc603*)
2348             cpuflags="-mcpu=603"
2349             disable altivec
2350         ;;
2351         604*|ppc604*|powerpc604*)
2352             cpuflags="-mcpu=604"
2353             disable altivec
2354         ;;
2355         g3|75*|ppc75*|powerpc75*)
2356             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2357             disable altivec
2358         ;;
2359         g4|745*|ppc745*|powerpc745*)
2360             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2361         ;;
2362         74*|ppc74*|powerpc74*)
2363             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2364         ;;
2365         g5|970|ppc970|powerpc970|power4*)
2366             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2367         ;;
2368         cell)
2369             cpuflags="-mcpu=cell"
2370             enable ldbrx
2371         ;;
2372         e500v2)
2373             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2374             disable altivec
2375         ;;
2376         e500)
2377             cpuflags="-mcpu=8540 -mhard-float"
2378             disable altivec
2379         ;;
2380     esac
2381
2382 elif enabled x86; then
2383
2384     case $cpu in
2385         i[345]86|pentium)
2386             cpuflags="-march=$cpu"
2387             disable mmx
2388         ;;
2389         # targets that do NOT support conditional mov (cmov)
2390         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2391             cpuflags="-march=$cpu"
2392             disable cmov
2393         ;;
2394         # targets that do support conditional mov (cmov)
2395         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2396             cpuflags="-march=$cpu"
2397             enable cmov
2398             enable fast_cmov
2399         ;;
2400         # targets that do support conditional mov but on which it's slow
2401         pentium4|pentium4m|prescott|nocona)
2402             cpuflags="-march=$cpu"
2403             enable cmov
2404             disable fast_cmov
2405         ;;
2406     esac
2407
2408 elif enabled sparc; then
2409
2410     case $cpu in
2411         niagara)
2412             cpuflags="-mcpu=$cpu"
2413             disable vis
2414         ;;
2415         sparc64)
2416             cpuflags="-mcpu=v9"
2417         ;;
2418     esac
2419
2420 elif enabled arm; then
2421
2422     case $cpu in
2423         armv*)
2424             cpuflags="-march=$cpu"
2425             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2426         ;;
2427         *)
2428             cpuflags="-mcpu=$cpu"
2429             case $cpu in
2430                 cortex-a*)                               subarch=armv7a  ;;
2431                 cortex-r*)                               subarch=armv7r  ;;
2432                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2433                 arm11*)                                  subarch=armv6   ;;
2434                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2435                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2436             esac
2437         ;;
2438     esac
2439
2440 elif enabled alpha; then
2441
2442     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2443
2444 elif enabled bfin; then
2445
2446     cpuflags="-mcpu=$cpu"
2447
2448 elif enabled mips; then
2449
2450     cpuflags="-march=$cpu"
2451
2452 elif enabled avr32; then
2453
2454     case $cpu in
2455         ap7[02]0[0-2])
2456             subarch="avr32_ap"
2457             cpuflags="-mpart=$cpu"
2458         ;;
2459         ap)
2460             subarch="avr32_ap"
2461             cpuflags="-march=$cpu"
2462         ;;
2463         uc3[ab]*)
2464             subarch="avr32_uc"
2465             cpuflags="-mcpu=$cpu"
2466         ;;
2467         uc)
2468             subarch="avr32_uc"
2469             cpuflags="-march=$cpu"
2470         ;;
2471     esac
2472
2473 fi
2474
2475 add_cflags $cpuflags
2476 add_asflags $cpuflags
2477
2478 # compiler sanity check
2479 check_exec <<EOF
2480 int main(void){ return 0; }
2481 EOF
2482 if test "$?" != 0; then
2483     echo "$cc is unable to create an executable file."
2484     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2485         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2486         echo "Only do this if you know what cross compiling means."
2487     fi
2488     die "C compiler test failed."
2489 fi
2490
2491 add_cppflags -D_ISOC99_SOURCE
2492 add_cxxflags -D__STDC_CONSTANT_MACROS
2493 check_cflags -std=c99
2494 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2495 #include <stdlib.h>
2496 EOF
2497 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2498 #include <stdlib.h>
2499 EOF
2500
2501 check_host_cflags -std=c99
2502 check_host_cflags -Wall
2503
2504 case "$arch" in
2505     alpha|ia64|mips|parisc|sparc)
2506         spic=$shared
2507     ;;
2508     x86)
2509         subarch="x86_32"
2510         check_cc <<EOF && subarch="x86_64"
2511         int test[(int)sizeof(char*) - 7];
2512 EOF
2513         if test "$subarch" = "x86_64"; then
2514             spic=$shared
2515         fi
2516     ;;
2517     ppc)
2518         check_cc <<EOF && subarch="ppc64"
2519         int test[(int)sizeof(char*) - 7];
2520 EOF
2521     ;;
2522 esac
2523
2524 enable $subarch
2525 enabled spic && enable pic
2526
2527 # OS specific
2528 case $target_os in
2529     haiku)
2530         prefix_default="/boot/common"
2531         network_extralibs="-lnetwork"
2532         host_libs=
2533         ;;
2534     sunos)
2535         FFSERVERLDFLAGS=""
2536         SHFLAGS='-shared -Wl,-h,$$(@F)'
2537         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2538         network_extralibs="-lsocket -lnsl"
2539         add_cppflags -D__EXTENSIONS__
2540         # When using suncc to build, the Solaris linker will mark
2541         # an executable with each instruction set encountered by
2542         # the Solaris assembler.  As our libraries contain their own
2543         # guards for processor-specific code, instead suppress
2544         # generation of the HWCAPS ELF section on Solaris x86 only.
2545         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2546         nm_opts='-P -g'
2547         ;;
2548     netbsd)
2549         disable symver
2550         oss_indev_extralibs="-lossaudio"
2551         oss_outdev_extralibs="-lossaudio"
2552         ;;
2553     openbsd)
2554         enable malloc_aligned
2555         # On OpenBSD 4.5. the compiler does not use PIC unless
2556         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2557         # however the generated executable will not do anything
2558         # (simply quits with exit-code 1, no crash, no output).
2559         # Thus explicitly enable PIC here.
2560         enable pic
2561         disable symver
2562         SHFLAGS='-shared'
2563         oss_indev_extralibs="-lossaudio"
2564         oss_outdev_extralibs="-lossaudio"
2565         ;;
2566     dragonfly)
2567         enable malloc_aligned
2568         disable symver
2569         ;;
2570     freebsd)
2571         enable malloc_aligned
2572         ;;
2573     bsd/os)
2574         add_extralibs -lpoll -lgnugetopt
2575         strip="strip -d"
2576         ;;
2577     darwin)
2578         enable malloc_aligned
2579         gas="gas-preprocessor.pl $cc"
2580         enabled ppc && add_asflags -force_cpusubtype_ALL
2581         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2582         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2583         strip="${strip} -x"
2584         add_ldflags -Wl,-dynamic,-search_paths_first
2585         SLIBSUF=".dylib"
2586         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2587         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2588         FFSERVERLDFLAGS=-Wl,-bind_at_load
2589         objformat="macho"
2590         enabled x86_64 && objformat="macho64"
2591         enabled_any pic shared ||
2592             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2593         ;;
2594     mingw32*)
2595         if test $target_os = "mingw32ce"; then
2596             disable network
2597         else
2598             target_os=mingw32
2599         fi
2600         LIBTARGET=i386
2601         if enabled x86_64; then
2602             enable malloc_aligned
2603             LIBTARGET=x64
2604         elif enabled arm; then
2605             LIBTARGET=arm-wince
2606         fi
2607         shlibdir_default="$bindir_default"
2608         SLIBPREF=""
2609         SLIBSUF=".dll"
2610         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2611         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2612         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2613         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2614         SLIB_INSTALL_LINKS=
2615         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2616         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2617         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'
2618         objformat="win32"
2619         enable dos_paths
2620         check_cflags -fno-common
2621         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2622                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2623                 die "ERROR: MinGW runtime version must be >= 3.15."
2624         add_cppflags -U__STRICT_ANSI__
2625         ;;
2626     cygwin*)
2627         target_os=cygwin
2628         shlibdir_default="$bindir_default"
2629         SLIBPREF="cyg"
2630         SLIBSUF=".dll"
2631         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2632         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2633         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2634         objformat="win32"
2635         enable dos_paths
2636         check_cflags -fno-common
2637         add_cppflags -U__STRICT_ANSI__
2638         ;;
2639     *-dos|freedos|opendos)
2640         network_extralibs="-lsocket"
2641         objformat="coff"
2642         enable dos_paths
2643         add_cppflags -U__STRICT_ANSI__
2644         ;;
2645     linux)
2646         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2647         enable dv1394
2648         ;;
2649     irix*)
2650         target_os=irix
2651         ranlib="echo ignoring ranlib"
2652         ;;
2653     os/2*)
2654         strip="lxlite -CS"
2655         ln_s="cp -f"
2656         objformat="aout"
2657         add_cppflags -D_GNU_SOURCE
2658         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2659         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2660         FFSERVERLDFLAGS=""
2661         LIBSUF="_s.a"
2662         SLIBPREF=""
2663         SLIBSUF=".dll"
2664         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2665         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2666         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2667           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2668           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2669           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2670           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2671           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2672         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2673           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2674         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2675         enable dos_paths
2676         enable_weak os2threads
2677         ;;
2678     gnu/kfreebsd)
2679         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2680         ;;
2681     gnu)
2682         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2683         ;;
2684     qnx)
2685         add_cppflags -D_QNX_SOURCE
2686         network_extralibs="-lsocket"
2687         ;;
2688     symbian)
2689         SLIBSUF=".dll"
2690         enable dos_paths
2691         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2692         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2693         add_ldflags -Wl,--target1-abs,--no-undefined \
2694                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2695                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2696         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2697                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2698                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2699         ;;
2700     none)
2701         ;;
2702     *)
2703         die "Unknown OS '$target_os'."
2704         ;;
2705 esac
2706
2707 echo "config:$arch:$subarch:$cpu:$target_os:$cc_ident:$FFMPEG_CONFIGURATION" >config.fate
2708
2709 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2710
2711 set_default $PATHS_LIST
2712
2713 # we need to build at least one lib type
2714 if ! enabled_any static shared; then
2715     cat <<EOF
2716 At least one library type must be built.
2717 Specify --enable-static to build the static libraries or --enable-shared to
2718 build the shared libraries as well. To only build the shared libraries specify
2719 --disable-static in addition to --enable-shared.
2720 EOF
2721     exit 1;
2722 fi
2723
2724 die_license_disabled() {
2725     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2726 }
2727
2728 die_license_disabled gpl libcdio
2729 die_license_disabled gpl libx264
2730 die_license_disabled gpl libxavs
2731 die_license_disabled gpl libxvid
2732 die_license_disabled gpl x11grab
2733
2734 die_license_disabled nonfree libaacplus
2735 die_license_disabled nonfree libfaac
2736 die_license_disabled nonfree openssl
2737
2738 die_license_disabled version3 libopencore_amrnb
2739 die_license_disabled version3 libopencore_amrwb
2740 die_license_disabled version3 libvo_aacenc
2741 die_license_disabled version3 libvo_amrwbenc
2742
2743 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2744
2745 disabled optimizations || check_cflags -fomit-frame-pointer
2746
2747 enable_pic() {
2748     enable pic
2749     add_cppflags -DPIC
2750     add_cflags   -fPIC
2751     add_asflags  -fPIC
2752 }
2753
2754 enabled pic && enable_pic
2755
2756 check_cc <<EOF || die "Symbol mangling check failed."
2757 int ff_extern;
2758 EOF
2759 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2760 extern_prefix=${sym%%ff_extern*}
2761
2762 check_cc <<EOF && enable inline_asm
2763 void foo(void) { __asm__ volatile ("" ::); }
2764 EOF
2765
2766 _restrict=
2767 for restrict_keyword in restrict __restrict__ __restrict; do
2768     check_cc <<EOF && _restrict=$restrict_keyword && break
2769 void foo(char * $restrict_keyword p);
2770 EOF
2771 done
2772
2773 check_cc <<EOF && enable attribute_packed
2774 struct { int x; } __attribute__((packed)) x;
2775 EOF
2776
2777 check_cc <<EOF && enable attribute_may_alias
2778 union { int x; } __attribute__((may_alias)) x;
2779 EOF
2780
2781 check_cc <<EOF || die "endian test failed"
2782 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2783 EOF
2784 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2785
2786 if enabled alpha; then
2787
2788     check_cflags -mieee
2789
2790 elif enabled arm; then
2791
2792     enabled thumb && check_cflags -mthumb || check_cflags -marm
2793     nogas=die
2794
2795     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2796         enable vfp_args
2797     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2798         case "${cross_prefix:-$cc}" in
2799             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2800             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2801 __asm__ (".eabi_attribute 28, 1");
2802 int main(void) { return 0; }
2803 EOF
2804         esac
2805         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2806     fi
2807
2808     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2809     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2810     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2811     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2812     enabled iwmmxt  && check_asm iwmmxt  '"wunpckelub wr6, wr4"'
2813     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2814     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2815
2816     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2817
2818     enabled_all armv6t2 shared !pic && enable_pic
2819
2820 elif enabled mips; then
2821
2822     check_asm loongson '"dmult.g $1, $2, $3"'
2823     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2824
2825 elif enabled ppc; then
2826
2827     enable local_aligned_8 local_aligned_16
2828
2829     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2830     check_asm ibm_asm   '"add 0, 0, 0"'
2831     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2832     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2833
2834     # AltiVec flags: The FSF version of GCC differs from the Apple version
2835     if enabled altivec; then
2836         nogas=warn
2837         check_cflags -maltivec -mabi=altivec &&
2838         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2839         check_cflags -faltivec
2840
2841         # check if our compiler supports Motorola AltiVec C API
2842         check_cc <<EOF || disable altivec
2843 $inc_altivec_h
2844 int main(void) {
2845     vector signed int v1, v2, v3;
2846     v1 = vec_add(v2,v3);
2847     return 0;
2848 }
2849 EOF
2850
2851         # check if our compiler supports braces for vector declarations
2852         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2853 $inc_altivec_h
2854 int main (void) { (vector int) {1}; return 0; }
2855 EOF
2856     fi
2857
2858 elif enabled sparc; then
2859
2860     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2861         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2862
2863 elif enabled x86; then
2864
2865     enable local_aligned_8 local_aligned_16
2866
2867     # check whether EBP is available on x86
2868     # As 'i' is stored on the stack, this program will crash
2869     # if the base pointer is used to access it because the
2870     # base pointer is cleared in the inline assembly code.
2871     check_exec_crash <<EOF && enable ebp_available
2872     volatile int i=0;
2873     __asm__ volatile (
2874         "xorl %%ebp, %%ebp"
2875     ::: "%ebp");
2876     return i;
2877 EOF
2878
2879     # check whether EBX is available on x86
2880     check_asm ebx_available '""::"b"(0)' &&
2881         check_asm ebx_available '"":::"%ebx"'
2882
2883     # check whether xmm clobbers are supported
2884     check_asm xmm_clobbers '"":::"%xmm0"'
2885
2886     # check whether binutils is new enough to compile SSSE3/MMX2
2887     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2888     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2889
2890     if ! disabled_any asm mmx yasm; then
2891         if check_cmd $yasmexe --version; then
2892             enabled x86_64 && yasm_extra="-m amd64"
2893             yasm_debug="-g dwarf2"
2894         elif check_cmd nasm -v; then
2895             yasmexe=nasm
2896             yasm_debug="-g -F dwarf"
2897             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2898         fi
2899
2900         YASMFLAGS="-f $objformat $yasm_extra"
2901         enabled pic               && append YASMFLAGS "-DPIC"
2902         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2903         case "$objformat" in
2904             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2905         esac
2906
2907         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2908             die "yasm not found, use --disable-yasm for a crippled build"
2909         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2910     fi
2911
2912     case "$cpu" in
2913         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2914             disable fast_clz
2915         ;;
2916     esac
2917
2918 fi
2919
2920 if enabled asm; then
2921     as=${gas:=$as}
2922     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
2923         $nogas "GNU assembler not found, install gas-preprocessor"
2924 fi
2925
2926 check_ldflags -Wl,--as-needed
2927
2928 if check_func dlopen; then
2929     ldl=
2930 elif check_func dlopen -ldl; then
2931     ldl=-ldl
2932 fi
2933
2934 if enabled network; then
2935     check_type "sys/types.h sys/socket.h" socklen_t
2936     check_type netdb.h "struct addrinfo"
2937     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
2938     check_type netinet/in.h "struct sockaddr_in6"
2939     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
2940     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
2941     # Prefer arpa/inet.h over winsock2
2942     if check_header arpa/inet.h ; then
2943         check_func closesocket
2944     elif check_header winsock2.h ; then
2945         check_func_headers winsock2.h closesocket -lws2 && \
2946             network_extralibs="-lws2" || \
2947         { check_func_headers winsock2.h closesocket -lws2_32 && \
2948             network_extralibs="-lws2_32"; }
2949         check_type ws2tcpip.h socklen_t
2950         check_type ws2tcpip.h "struct addrinfo"
2951         check_type ws2tcpip.h "struct ipv6_mreq"
2952         check_type ws2tcpip.h "struct sockaddr_in6"
2953         check_type ws2tcpip.h "struct sockaddr_storage"
2954         check_struct winsock2.h "struct sockaddr" sa_len
2955     else
2956         disable network
2957     fi
2958 fi
2959
2960 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
2961 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
2962
2963 check_func  fcntl
2964 check_func  fork
2965 check_func  getaddrinfo $network_extralibs
2966 check_func  gethrtime
2967 check_func  getrusage
2968 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
2969 check_func  inet_aton $network_extralibs
2970 check_func  isatty
2971 check_func  localtime_r
2972 check_func  ${malloc_prefix}memalign            && enable memalign
2973 check_func  mkstemp
2974 check_func  mmap
2975 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
2976 check_func  setrlimit
2977 check_func  strerror_r
2978 check_func  strptime
2979 check_func_headers conio.h kbhit
2980 check_func_headers windows.h PeekNamedPipe
2981 check_func_headers io.h setmode
2982 check_func_headers lzo/lzo1x.h lzo1x_999_compress
2983 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
2984 check_func_headers windows.h GetProcessTimes
2985 check_func_headers windows.h MapViewOfFile
2986 check_func_headers windows.h VirtualAlloc
2987
2988 check_header dlfcn.h
2989 check_header dxva2api.h -D_WIN32_WINNT=0x0600
2990 check_header libcrystalhd/libcrystalhd_if.h
2991 check_header malloc.h
2992 check_header poll.h
2993 check_header sys/mman.h
2994 check_header sys/resource.h
2995 check_header sys/select.h
2996 check_header termios.h
2997 check_header vdpau/vdpau.h
2998 check_header vdpau/vdpau_x11.h
2999 check_header X11/extensions/XvMClib.h
3000 check_header asm/types.h
3001
3002 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3003 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3004
3005 # check for VDA header
3006 if ! disabled vda; then
3007     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3008         enable vda
3009         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3010     fi
3011 fi
3012
3013 if ! disabled w32threads && ! enabled pthreads; then
3014     check_func _beginthreadex && enable w32threads
3015 fi
3016
3017 # check for some common methods of building with pthread support
3018 # do this before the optional library checks as some of them require pthreads
3019 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3020     enable pthreads
3021     if check_func pthread_create; then
3022         :
3023     elif check_func pthread_create -pthread; then
3024         add_cflags -pthread
3025         add_extralibs -pthread
3026     elif check_func pthread_create -pthreads; then
3027         add_cflags -pthreads
3028         add_extralibs -pthreads
3029     elif check_func pthread_create -lpthreadGC2; then
3030         add_extralibs -lpthreadGC2
3031     elif ! check_lib pthread.h pthread_create -lpthread; then
3032         disable pthreads
3033     fi
3034 fi
3035
3036 for thread in $THREADS_LIST; do
3037     if enabled $thread; then
3038         test -n "$thread_type" &&
3039             die "ERROR: Only one thread type must be selected." ||
3040             thread_type="$thread"
3041     fi
3042 done
3043
3044 check_lib math.h sin -lm && LIBM="-lm"
3045 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3046 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3047
3048 check_mathfunc cbrtf
3049 check_mathfunc exp2
3050 check_mathfunc exp2f
3051 check_mathfunc llrint
3052 check_mathfunc llrintf
3053 check_mathfunc log2
3054 check_mathfunc log2f
3055 check_mathfunc lrint
3056 check_mathfunc lrintf
3057 check_mathfunc round
3058 check_mathfunc roundf
3059 check_mathfunc trunc
3060 check_mathfunc truncf
3061
3062 # these are off by default, so fail if requested and not available
3063 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3064 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3065 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3066 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3067 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3068 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0
3069 enabled libdc1394  && require_pkg_config libdc1394-2 dc1394/dc1394.h dc1394_new
3070 enabled libdirac   && require_pkg_config dirac                          \
3071     "libdirac_decoder/dirac_parser.h libdirac_encoder/dirac_encoder.h"  \
3072     "dirac_decoder_init dirac_encoder_init"
3073 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3074 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3075 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3076 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3077 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3078 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3079 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3080 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3081 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3082 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3083 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3084 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3085 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3086 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3087 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3088     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3089     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3090 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3091 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3092 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3093 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3094 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3095 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3096 enabled libvpx     && {
3097     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3098                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3099     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3100                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3101 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3102                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3103                         die "ERROR: libx264 version must be >= 0.118."; }
3104 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3105 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3106 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3107                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3108                         die "ERROR: openal not found"; } &&
3109                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3110                         die "ERROR: openal version must be 1.1 or compatible"; }
3111 enabled mlib       && require  mediaLib mlib_types.h mlib_VectorSub_S16_U8_Mod -lmlib
3112 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3113                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3114                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3115                         die "ERROR: openssl not found"; }
3116
3117 SDL_CONFIG="${cross_prefix}sdl-config"
3118 if check_pkg_config sdl SDL_version.h SDL_Linked_Version; then
3119     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3120     enable sdl &&
3121     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3122 else
3123   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3124     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3125     sdl_libs=$("${SDL_CONFIG}" --libs)
3126     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3127     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3128     enable sdl &&
3129     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3130   fi
3131 fi
3132 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3133
3134 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3135
3136 check_header linux/fb.h
3137 check_header linux/videodev.h
3138 check_header linux/videodev2.h
3139 check_header sys/videoio.h
3140
3141 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3142 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3143 # w32api 3.12 had it defined wrong
3144 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3145
3146 check_type "dshow.h" IBaseFilter
3147
3148 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3149 { check_header dev/bktr/ioctl_meteor.h &&
3150   check_header dev/bktr/ioctl_bt848.h; } ||
3151 { check_header machine/ioctl_meteor.h &&
3152   check_header machine/ioctl_bt848.h; } ||
3153 { check_header dev/video/meteor/ioctl_meteor.h &&
3154   check_header dev/video/bktr/ioctl_bt848.h; } ||
3155 check_header dev/ic/bt8xx.h
3156
3157 check_header sndio.h
3158 if check_struct sys/soundcard.h audio_buf_info bytes; then
3159     enable_safe sys/soundcard.h
3160 else
3161     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3162     #include <sys/soundcard.h>
3163     audio_buf_info abc;
3164 EOF
3165 fi
3166 check_header soundcard.h
3167
3168 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3169
3170 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3171
3172 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3173
3174 enabled libcdio &&
3175     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3176
3177 enabled x11grab                         &&
3178 check_header X11/Xlib.h                 &&
3179 check_header X11/extensions/XShm.h      &&
3180 check_header X11/extensions/Xfixes.h    &&
3181 check_func XOpenDisplay -lX11           &&
3182 check_func XShmCreateImage -lX11 -lXext &&
3183 check_func XFixesGetCursorImage -lX11 -lXext -lXfixes
3184
3185 if ! disabled vaapi; then
3186     check_lib va/va.h vaInitialize -lva && {
3187         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3188         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3189     } || disable vaapi
3190 fi
3191
3192 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3193 check_cpp_condition \
3194     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3195     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3196       disable vdpau; }
3197 fi
3198
3199 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3200 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3201
3202 # add some useful compiler flags if supported
3203 check_cflags -Wdeclaration-after-statement
3204 check_cflags -Wall
3205 check_cflags -Wno-parentheses
3206 check_cflags -Wno-switch
3207 check_cflags -Wno-format-zero-length
3208 check_cflags -Wdisabled-optimization
3209 check_cflags -Wpointer-arith
3210 check_cflags -Wredundant-decls
3211 check_cflags -Wno-pointer-sign
3212 check_cflags -Wcast-qual
3213 check_cflags -Wwrite-strings
3214 check_cflags -Wtype-limits
3215 check_cflags -Wundef
3216 check_cflags -Wmissing-prototypes
3217 check_cflags -Wno-pointer-to-int-cast
3218 check_cflags -Wstrict-prototypes
3219 enabled extra_warnings && check_cflags -Winline
3220
3221 # add some linker flags
3222 check_ldflags -Wl,--warn-common
3223 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3224 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3225
3226 echo "X{};" > $TMPV
3227 if test_ldflags -Wl,--version-script,$TMPV; then
3228     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3229     check_cc <<EOF && enable symver_asm_label
3230 void ff_foo(void) __asm__ ("av_foo@VERSION");
3231 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3232 EOF
3233     check_cc <<EOF && enable symver_gnu_asm
3234 __asm__(".symver ff_foo,av_foo@VERSION");
3235 void ff_foo(void) {}
3236 EOF
3237 fi
3238
3239 if [ -n "$optflags" ]; then
3240     add_cflags $optflags
3241 elif enabled small; then
3242     add_cflags $size_cflags
3243 elif enabled optimizations; then
3244     add_cflags $speed_cflags
3245 else
3246     add_cflags $noopt_cflags
3247 fi
3248 check_cflags -fno-math-errno
3249 check_cflags -fno-signed-zeros
3250 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3251 int x;
3252 EOF
3253
3254
3255 if enabled icc; then
3256     # Just warnings, no remarks
3257     check_cflags -w1
3258     # -wd: Disable following warnings
3259     # 144, 167, 556: -Wno-pointer-sign
3260     # 1292: attribute "foo" ignored
3261     # 10006: ignoring unknown option -fno-signed-zeros
3262     # 10148: ignoring unknown option -Wno-parentheses
3263     # 10156: ignoring option '-W'; no argument required
3264     check_cflags -wd144,167,556,1292,10006,10148,10156
3265     # 11030: Warning unknown option --as-needed
3266     # 10156: ignoring option '-export'; no argument required
3267     check_ldflags -wd10156,11030
3268     # Allow to compile with optimizations
3269     check_ldflags -march=$cpu
3270     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3271     enable ebp_available
3272     if enabled x86_32; then
3273         test ${icc_version%%.*} -ge 11 && \
3274             check_cflags -falign-stack=maintain-16-byte || \
3275             disable aligned_stack
3276     fi
3277 elif enabled ccc; then
3278     # disable some annoying warnings
3279     add_cflags -msg_disable cvtu32to64
3280     add_cflags -msg_disable embedcomment
3281     add_cflags -msg_disable needconstext
3282     add_cflags -msg_disable nomainieee
3283     add_cflags -msg_disable ptrmismatch1
3284     add_cflags -msg_disable unreachcode
3285 elif enabled gcc; then
3286     check_cflags -fno-tree-vectorize
3287     check_cflags -Werror=implicit-function-declaration
3288     check_cflags -Werror=missing-prototypes
3289 elif enabled llvm_gcc; then
3290     check_cflags -mllvm -stack-alignment=16
3291 elif enabled clang; then
3292     check_cflags -mllvm -stack-alignment=16
3293     check_cflags -Qunused-arguments
3294 elif enabled armcc; then
3295     # 2523: use of inline assembler is deprecated
3296     add_cflags -W${armcc_opt},--diag_suppress=2523
3297     add_cflags -W${armcc_opt},--diag_suppress=1207
3298     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3299     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3300     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3301     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3302 elif enabled tms470; then
3303     add_cflags -pds=824 -pds=837
3304 elif enabled pathscale; then
3305     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3306 fi
3307
3308 enabled_any $THREADS_LIST      && enable threads
3309
3310 check_deps $CONFIG_LIST       \
3311            $CONFIG_EXTRA      \
3312            $HAVE_LIST         \
3313            $DECODER_LIST      \
3314            $ENCODER_LIST      \
3315            $HWACCEL_LIST      \
3316            $PARSER_LIST       \
3317            $BSF_LIST          \
3318            $DEMUXER_LIST      \
3319            $MUXER_LIST        \
3320            $FILTER_LIST       \
3321            $INDEV_LIST        \
3322            $OUTDEV_LIST       \
3323            $PROTOCOL_LIST     \
3324            $ACODEC_TESTS      \
3325            $VCODEC_TESTS      \
3326            $LAVF_TESTS        \
3327            $LAVFI_TESTS       \
3328            $SEEK_TESTS        \
3329
3330 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3331
3332 if test $target_os = "haiku"; then
3333     disable memalign
3334     disable posix_memalign
3335 fi
3336
3337 ! enabled_any memalign posix_memalign malloc_aligned &&
3338     enabled_any $need_memalign && enable memalign_hack
3339
3340 echo "install prefix            $prefix"
3341 echo "source path               $source_path"
3342 echo "C compiler                $cc"
3343 echo "ARCH                      $arch ($cpu)"
3344 if test "$build_suffix" != ""; then
3345     echo "build suffix              $build_suffix"
3346 fi
3347 if test "$progs_suffix" != ""; then
3348     echo "progs suffix              $progs_suffix"
3349 fi
3350 if test "$extra_version" != ""; then
3351     echo "version string suffix     $extra_version"
3352 fi
3353 echo "big-endian                ${bigendian-no}"
3354 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3355 if enabled x86; then
3356     echo "${yasmexe}                      ${yasm-no}"
3357     echo "MMX enabled               ${mmx-no}"
3358     echo "MMX2 enabled              ${mmx2-no}"
3359     echo "3DNow! enabled            ${amd3dnow-no}"
3360     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3361     echo "SSE enabled               ${sse-no}"
3362     echo "SSSE3 enabled             ${ssse3-no}"
3363     echo "AVX enabled               ${avx-no}"
3364     echo "CMOV enabled              ${cmov-no}"
3365     echo "CMOV is fast              ${fast_cmov-no}"
3366     echo "EBX available             ${ebx_available-no}"
3367     echo "EBP available             ${ebp_available-no}"
3368 fi
3369 if enabled arm; then
3370     echo "ARMv5TE enabled           ${armv5te-no}"
3371     echo "ARMv6 enabled             ${armv6-no}"
3372     echo "ARMv6T2 enabled           ${armv6t2-no}"
3373     echo "ARM VFP enabled           ${armvfp-no}"
3374     echo "IWMMXT enabled            ${iwmmxt-no}"
3375     echo "NEON enabled              ${neon-no}"
3376 fi
3377 if enabled mips; then
3378     echo "MMI enabled               ${mmi-no}"
3379 fi
3380 if enabled ppc; then
3381     echo "AltiVec enabled           ${altivec-no}"
3382     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3383     echo "dcbzl available           ${dcbzl-no}"
3384 fi
3385 if enabled sparc; then
3386     echo "VIS enabled               ${vis-no}"
3387 fi
3388 echo "debug symbols             ${debug-no}"
3389 echo "strip symbols             ${stripping-no}"
3390 echo "optimize for size         ${small-no}"
3391 echo "optimizations             ${optimizations-no}"
3392 echo "static                    ${static-no}"
3393 echo "shared                    ${shared-no}"
3394 echo "postprocessing support    ${postproc-no}"
3395 echo "new filter support        ${avfilter-no}"
3396 echo "network support           ${network-no}"
3397 echo "threading support         ${thread_type-no}"
3398 echo "SDL support               ${sdl-no}"
3399 echo "Sun medialib support      ${mlib-no}"
3400 echo "libdxva2 enabled          ${dxva2-no}"
3401 echo "libva enabled             ${vaapi-no}"
3402 echo "libvdpau enabled          ${vdpau-no}"
3403 echo "AVISynth enabled          ${avisynth-no}"
3404 echo "frei0r enabled            ${frei0r-no}"
3405 echo "gnutls enabled            ${gnutls-no}"
3406 echo "libaacplus enabled        ${libaacplus-no}"
3407 echo "libass enabled            ${libass-no}"
3408 echo "libcdio support           ${libcdio-no}"
3409 echo "libcelt enabled           ${libcelt-no}"
3410 echo "libdc1394 support         ${libdc1394-no}"
3411 echo "libdirac enabled          ${libdirac-no}"
3412 echo "libfaac enabled           ${libfaac-no}"
3413 echo "libgsm enabled            ${libgsm-no}"
3414 echo "libmodplug enabled        ${libmodplug-no}"
3415 echo "libmp3lame enabled        ${libmp3lame-no}"
3416 echo "libnut enabled            ${libnut-no}"
3417 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3418 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3419 echo "libopencv support         ${libopencv-no}"
3420 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3421 echo "libpulse enabled          ${libpulse-no}"
3422 echo "librtmp enabled           ${librtmp-no}"
3423 echo "libschroedinger enabled   ${libschroedinger-no}"
3424 echo "libspeex enabled          ${libspeex-no}"
3425 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3426 echo "libtheora enabled         ${libtheora-no}"
3427 echo "libutvideo enabled        ${libutvideo-no}"
3428 echo "libv4l2 enabled           ${libv4l2-no}"
3429 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3430 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3431 echo "libvorbis enabled         ${libvorbis-no}"
3432 echo "libvpx enabled            ${libvpx-no}"
3433 echo "libx264 enabled           ${libx264-no}"
3434 echo "libxavs enabled           ${libxavs-no}"
3435 echo "libxvid enabled           ${libxvid-no}"
3436 echo "openal enabled            ${openal-no}"
3437 echo "openssl enabled           ${openssl-no}"
3438 echo "zlib enabled              ${zlib-no}"
3439 echo "bzlib enabled             ${bzlib-no}"
3440 echo
3441
3442 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3443     echo "Enabled ${type}s:"
3444     eval list=\$$(toupper $type)_LIST
3445     print_enabled '_*' $list | sort | pr -r -3 -t
3446     echo
3447 done
3448
3449 license="LGPL version 2.1 or later"
3450 if enabled nonfree; then
3451     license="nonfree and unredistributable"
3452 elif enabled gplv3; then
3453     license="GPL version 3 or later"
3454 elif enabled lgplv3; then
3455     license="LGPL version 3 or later"
3456 elif enabled gpl; then
3457     license="GPL version 2 or later"
3458 fi
3459
3460 echo "License: $license"
3461
3462 echo "Creating config.mak and config.h..."
3463
3464 test -e Makefile || $ln_s "$source_path/Makefile" .
3465
3466 enabled stripping || strip="echo skipping strip"
3467
3468 config_files="$TMPH config.mak"
3469
3470 cat > config.mak <<EOF
3471 # Automatically generated by configure - do not modify!
3472 ifndef FFMPEG_CONFIG_MAK
3473 FFMPEG_CONFIG_MAK=1
3474 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3475 prefix=$prefix
3476 LIBDIR=\$(DESTDIR)$libdir
3477 SHLIBDIR=\$(DESTDIR)$shlibdir
3478 INCDIR=\$(DESTDIR)$incdir
3479 BINDIR=\$(DESTDIR)$bindir
3480 DATADIR=\$(DESTDIR)$datadir
3481 MANDIR=\$(DESTDIR)$mandir
3482 SRC_PATH=$source_path
3483 ifndef MAIN_MAKEFILE
3484 SRC_PATH:=\$(SRC_PATH:.%=..%)
3485 endif
3486 CC_IDENT=$cc_ident
3487 ARCH=$arch
3488 CC=$cc
3489 CXX=$cxx
3490 AS=$as
3491 LD=$ld
3492 DEPCC=$dep_cc
3493 YASM=$yasmexe
3494 YASMDEP=$yasmexe
3495 AR=$ar
3496 RANLIB=$ranlib
3497 CP=cp -p
3498 LN_S=$ln_s
3499 STRIP=$strip
3500 CPPFLAGS=$CPPFLAGS
3501 CFLAGS=$CFLAGS
3502 CXXFLAGS=$CXXFLAGS
3503 ASFLAGS=$ASFLAGS
3504 AS_O=$CC_O
3505 CC_O=$CC_O
3506 CXX_O=$CXX_O
3507 LDFLAGS=$LDFLAGS
3508 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3509 SHFLAGS=$SHFLAGS
3510 YASMFLAGS=$YASMFLAGS
3511 BUILDSUF=$build_suffix
3512 PROGSSUF=$progs_suffix
3513 FULLNAME=$FULLNAME
3514 LIBPREF=$LIBPREF
3515 LIBSUF=$LIBSUF
3516 LIBNAME=$LIBNAME
3517 SLIBPREF=$SLIBPREF
3518 SLIBSUF=$SLIBSUF
3519 EXESUF=$EXESUF
3520 EXTRA_VERSION=$extra_version
3521 DEPFLAGS=$DEPFLAGS
3522 CCDEP=$CCDEP
3523 CXXDEP=$CXXDEP
3524 ASDEP=$ASDEP
3525 CC_DEPFLAGS=$CC_DEPFLAGS
3526 AS_DEPFLAGS=$AS_DEPFLAGS
3527 HOSTCC=$host_cc
3528 HOSTCFLAGS=$host_cflags
3529 HOSTEXESUF=$HOSTEXESUF
3530 HOSTLDFLAGS=$host_ldflags
3531 HOSTLIBS=$host_libs
3532 TARGET_EXEC=$target_exec
3533 TARGET_PATH=$target_path
3534 SDL_LIBS=$sdl_libs
3535 SDL_CFLAGS=$sdl_cflags
3536 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3537 EXTRALIBS=$extralibs
3538 INSTALL=$install
3539 LIBTARGET=${LIBTARGET}
3540 SLIBNAME=${SLIBNAME}
3541 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3542 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3543 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3544 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3545 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3546 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3547 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3548 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3549 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3550 NOREDZONE_FLAGS=$noredzone_flags
3551 EOF
3552
3553 get_version(){
3554     name=$1
3555     file=$source_path/$2
3556     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3557     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3558     lcname=$(tolower $name)
3559     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3560     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3561 }
3562
3563 get_version LIBAVCODEC  libavcodec/version.h
3564 get_version LIBAVDEVICE libavdevice/avdevice.h
3565 get_version LIBAVFILTER libavfilter/avfilter.h
3566 get_version LIBAVFORMAT libavformat/version.h
3567 get_version LIBAVUTIL   libavutil/avutil.h
3568 get_version LIBPOSTPROC libpostproc/postprocess.h
3569 get_version LIBSWRESAMPLE libswresample/swresample.h
3570 get_version LIBSWSCALE  libswscale/swscale.h
3571
3572 cat > $TMPH <<EOF
3573 /* Automatically generated by configure - do not modify! */
3574 #ifndef FFMPEG_CONFIG_H
3575 #define FFMPEG_CONFIG_H
3576 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3577 #define FFMPEG_LICENSE "$(c_escape $license)"
3578 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3579 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3580 #define CC_TYPE "$cc_type"
3581 #define CC_VERSION $cc_version
3582 #define restrict $_restrict
3583 #define EXTERN_PREFIX "${extern_prefix}"
3584 #define EXTERN_ASM ${extern_prefix}
3585 #define SLIBSUF "$SLIBSUF"
3586 EOF
3587
3588 test -n "$malloc_prefix" &&
3589     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3590
3591 if enabled small || disabled optimizations; then
3592     echo "#undef  av_always_inline"  >> $TMPH
3593     if enabled small; then
3594         echo "#define av_always_inline inline"  >> $TMPH
3595     else
3596         echo "#define av_always_inline av_unused"  >> $TMPH
3597     fi
3598 fi
3599
3600 if enabled yasm; then
3601     append config_files $TMPASM
3602     printf '' >$TMPASM
3603 fi
3604
3605 print_config ARCH_   "$config_files" $ARCH_LIST
3606 print_config HAVE_   "$config_files" $HAVE_LIST
3607 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3608                                      $CONFIG_EXTRA      \
3609                                      $DECODER_LIST      \
3610                                      $ENCODER_LIST      \
3611                                      $HWACCEL_LIST      \
3612                                      $PARSER_LIST       \
3613                                      $BSF_LIST          \
3614                                      $DEMUXER_LIST      \
3615                                      $MUXER_LIST        \
3616                                      $FILTER_LIST       \
3617                                      $PROTOCOL_LIST     \
3618                                      $INDEV_LIST        \
3619                                      $OUTDEV_LIST       \
3620
3621 cat >>config.mak <<EOF
3622 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3623 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3624 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3625 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3626 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3627 EOF
3628
3629 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3630 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3631
3632 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3633 cp_if_changed $TMPH config.h
3634 touch .config
3635
3636 enabled yasm && cp_if_changed $TMPASM config.asm
3637
3638 cat > $TMPH <<EOF
3639 /* Generated by ffconf */
3640 #ifndef AVUTIL_AVCONFIG_H
3641 #define AVUTIL_AVCONFIG_H
3642 EOF
3643
3644 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3645
3646 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3647
3648 cp_if_changed $TMPH libavutil/avconfig.h
3649
3650 test -n "$WARNINGS" && printf "\n$WARNINGS"
3651
3652 # build pkg-config files
3653
3654 pkgconfig_generate(){
3655 name=$1
3656 shortname=${name#lib}${build_suffix}
3657 comment=$2
3658 version=$3
3659 libs=$4
3660 requires=$5
3661 enabled ${name#lib} || return 0
3662 mkdir -p $name
3663 cat <<EOF > $name/$name.pc
3664 prefix=$prefix
3665 exec_prefix=\${prefix}
3666 libdir=$libdir
3667 includedir=$incdir
3668
3669 Name: $name
3670 Description: $comment
3671 Version: $version
3672 Requires: $(enabled shared || echo $requires)
3673 Requires.private: $(enabled shared && echo $requires)
3674 Conflicts:
3675 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3676 Libs.private: $(enabled shared && echo $libs)
3677 Cflags: -I\${includedir}
3678 EOF
3679 cat <<EOF > $name/$name-uninstalled.pc
3680 prefix=
3681 exec_prefix=
3682 libdir=\${pcfiledir}
3683 includedir=${source_path}
3684
3685 Name: $name
3686 Description: $comment
3687 Version: $version
3688 Requires: $requires
3689 Conflicts:
3690 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3691 Cflags: -I\${includedir}
3692 EOF
3693 }
3694
3695 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3696 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3697 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3698 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
3699 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
3700 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3701 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3702 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"