Fix muxing mjpeg in swf.
[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 Help options:
63   --help                   print this message
64   --list-decoders          show all available decoders
65   --list-encoders          show all available encoders
66   --list-hwaccels          show all available hardware accelerators
67   --list-demuxers          show all available demuxers
68   --list-muxers            show all available muxers
69   --list-parsers           show all available parsers
70   --list-protocols         show all available protocols
71   --list-bsfs              show all available bitstream filters
72   --list-indevs            show all available input devices
73   --list-outdevs           show all available output devices
74   --list-filters           show all available filters
75
76 Standard options:
77   --logfile=FILE           log tests and output to FILE [config.log]
78   --disable-logging        do not log configure debug information
79   --prefix=PREFIX          install in PREFIX [$prefix]
80   --bindir=DIR             install binaries in DIR [PREFIX/bin]
81   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
82   --libdir=DIR             install libs in DIR [PREFIX/lib]
83   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
84   --incdir=DIR             install includes in DIR [PREFIX/include]
85   --mandir=DIR             install man page in DIR [PREFIX/share/man]
86
87 Licensing options:
88   --enable-gpl             allow use of GPL code, the resulting libs
89                            and binaries will be under GPL [no]
90   --enable-version3        upgrade (L)GPL to version 3 [no]
91   --enable-nonfree         allow use of nonfree code, the resulting libs
92                            and binaries will be unredistributable [no]
93
94 Configuration options:
95   --disable-static         do not build static libraries [no]
96   --enable-shared          build shared libraries [no]
97   --enable-small           optimize for size instead of speed
98   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99   --enable-gray            enable full grayscale support (slower color)
100   --disable-swscale-alpha  disable alpha channel support in swscale
101
102 Component options:
103   --disable-doc            do not build documentation
104   --disable-ffmpeg         disable ffmpeg build
105   --disable-ffplay         disable ffplay build
106   --disable-ffprobe        disable ffprobe build
107   --disable-ffserver       disable ffserver build
108   --disable-avdevice       disable libavdevice build
109   --disable-avcodec        disable libavcodec build
110   --disable-avformat       disable libavformat build
111   --disable-swresample     disable libswresample build
112   --disable-swscale        disable libswscale build
113   --disable-postproc       disable libpostproc build
114   --disable-avfilter       disable video filter support [no]
115   --enable-avresample      enable libavresample build [no]
116   --disable-pthreads       disable pthreads [auto]
117   --disable-w32threads     disable Win32 threads [auto]
118   --disable-os2threads     disable OS/2 threads [auto]
119   --enable-x11grab         enable X11 grabbing [no]
120   --disable-network        disable network support [no]
121   --disable-dct            disable DCT code
122   --disable-mdct           disable MDCT code
123   --disable-rdft           disable RDFT code
124   --disable-fft            disable FFT code
125   --enable-dxva2           enable DXVA2 code
126   --enable-vaapi           enable VAAPI code [autodetect]
127   --enable-vda             enable VDA code   [autodetect]
128   --enable-vdpau           enable VDPAU code [autodetect]
129
130 Individual component options:
131   --disable-everything     disable all components listed below
132   --disable-encoder=NAME   disable encoder NAME
133   --enable-encoder=NAME    enable encoder NAME
134   --disable-encoders       disable all encoders
135   --disable-decoder=NAME   disable decoder NAME
136   --enable-decoder=NAME    enable decoder NAME
137   --disable-decoders       disable all decoders
138   --disable-hwaccel=NAME   disable hwaccel NAME
139   --enable-hwaccel=NAME    enable hwaccel NAME
140   --disable-hwaccels       disable all hwaccels
141   --disable-muxer=NAME     disable muxer NAME
142   --enable-muxer=NAME      enable muxer NAME
143   --disable-muxers         disable all muxers
144   --disable-demuxer=NAME   disable demuxer NAME
145   --enable-demuxer=NAME    enable demuxer NAME
146   --disable-demuxers       disable all demuxers
147   --enable-parser=NAME     enable parser NAME
148   --disable-parser=NAME    disable parser NAME
149   --disable-parsers        disable all parsers
150   --enable-bsf=NAME        enable bitstream filter NAME
151   --disable-bsf=NAME       disable bitstream filter NAME
152   --disable-bsfs           disable all bitstream filters
153   --enable-protocol=NAME   enable protocol NAME
154   --disable-protocol=NAME  disable protocol NAME
155   --disable-protocols      disable all protocols
156   --enable-indev=NAME      enable input device NAME
157   --disable-indev=NAME     disable input device NAME
158   --disable-indevs         disable input devices
159   --enable-outdev=NAME     enable output device NAME
160   --disable-outdev=NAME    disable output device NAME
161   --disable-outdevs        disable output devices
162   --disable-devices        disable all devices
163   --enable-filter=NAME     enable filter NAME
164   --disable-filter=NAME    disable filter NAME
165   --disable-filters        disable all filters
166
167 External library support:
168   --enable-avisynth        enable reading of AVISynth script files [no]
169   --enable-bzlib           enable bzlib [autodetect]
170   --enable-fontconfig      enable fontconfig
171   --enable-frei0r          enable frei0r video filtering
172   --enable-gnutls          enable gnutls [no]
173   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
174   --enable-libass          enable libass subtitles rendering [no]
175   --enable-libbluray       enable BluRay reading using libbluray [no]
176   --enable-libcelt         enable CELT decoding via libcelt [no]
177   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
178   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
179   --enable-libopencv       enable video filtering via libopencv [no]
180   --enable-libcdio         enable audio CD grabbing with libcdio
181   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
182                            and libraw1394 [no]
183   --enable-libfaac         enable FAAC support via libfaac [no]
184   --enable-libfreetype     enable libfreetype [no]
185   --enable-libgsm          enable GSM support via libgsm [no]
186   --enable-libmodplug      enable ModPlug via libmodplug [no]
187   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
188   --enable-libnut          enable NUT (de)muxing via libnut,
189                            native (de)muxer exists [no]
190   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
191   --enable-libpulse        enable Pulseaudio input via libpulse [no]
192   --enable-librtmp         enable RTMP[E] support via librtmp [no]
193   --enable-libschroedinger enable Dirac support via libschroedinger [no]
194   --enable-libspeex        enable Speex support via libspeex [no]
195   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
196   --enable-libtheora       enable Theora encoding via libtheora [no]
197   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
198   --enable-libv4l2         enable libv4l2/v4l-utils [no]
199   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
200   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
201   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
202                            native implementation exists [no]
203   --enable-libvpx          enable VP8 support via libvpx [no]
204   --enable-libx264         enable H.264 encoding via x264 [no]
205   --enable-libxavs         enable AVS encoding via xavs [no]
206   --enable-libxvid         enable Xvid encoding via xvidcore,
207                            native MPEG-4/Xvid encoder exists [no]
208   --enable-openal          enable OpenAL 1.1 capture support [no]
209   --enable-openssl         enable openssl [no]
210   --enable-zlib            enable zlib [autodetect]
211
212 Advanced options (experts only):
213   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
214   --enable-cross-compile   assume a cross-compiler is used
215   --sysroot=PATH           root of cross-build tree
216   --sysinclude=PATH        location of cross-build system headers
217   --target-os=OS           compiler targets OS [$target_os]
218   --target-exec=CMD        command to run executables on target
219   --target-path=DIR        path to view of build directory on target
220   --nm=NM                  use nm tool NM [$nm_default]
221   --ar=AR                  use archive tool AR [$ar_default]
222   --as=AS                  use assembler AS [$as_default]
223   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
224   --cc=CC                  use C compiler CC [$cc_default]
225   --cxx=CXX                use C compiler CXX [$cxx_default]
226   --ld=LD                  use linker LD [$ld_default]
227   --host-cc=HOSTCC         use host C compiler HOSTCC
228   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
229   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
230   --host-libs=HLIBS        use libs HLIBS when linking for host
231   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
232   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
233   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
234   --extra-libs=ELIBS       add ELIBS [$ELIBS]
235   --extra-version=STRING   version string suffix []
236   --optflags               override optimization-related compiler flags
237   --build-suffix=SUFFIX    library name suffix []
238   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
239   --progs-suffix=SUFFIX    program name suffix []
240   --arch=ARCH              select architecture [$arch]
241   --cpu=CPU                select the minimum required CPU (affects
242                            instruction selection, may crash on older CPUs)
243   --enable-pic             build position-independent code
244   --enable-sram            allow use of on-chip SRAM
245   --disable-symver         disable symbol versioning
246   --disable-fastdiv        disable table-based division
247   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
248   --disable-safe-bitstream-reader
249                            disable buffer boundary checking in bitreaders
250                            (faster, but may crash)
251   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
252
253 Optimization options (experts only):
254   --disable-asm            disable all assembler optimizations
255   --disable-altivec        disable AltiVec optimizations
256   --disable-amd3dnow       disable 3DNow! optimizations
257   --disable-amd3dnowext    disable 3DNow! extended optimizations
258   --disable-mmx            disable MMX optimizations
259   --disable-mmx2           disable MMX2 optimizations
260   --disable-sse            disable SSE optimizations
261   --disable-ssse3          disable SSSE3 optimizations
262   --disable-avx            disable AVX optimizations
263   --disable-armv5te        disable armv5te optimizations
264   --disable-armv6          disable armv6 optimizations
265   --disable-armv6t2        disable armv6t2 optimizations
266   --disable-armvfp         disable ARM VFP optimizations
267   --disable-mmi            disable MMI optimizations
268   --disable-neon           disable NEON optimizations
269   --disable-vis            disable VIS optimizations
270   --disable-yasm           disable use of yasm assembler
271   --postproc-version=V     build libpostproc version V.
272                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
273
274 Developer options (useful when working on FFmpeg itself):
275   --enable-coverage        build with test coverage instrumentation
276   --disable-debug          disable debugging symbols
277   --enable-debug=LEVEL     set the debug level [$debuglevel]
278   --disable-optimizations  disable compiler optimizations
279   --enable-extra-warnings  enable more compiler warnings
280   --disable-stripping      disable stripping of executables and shared libraries
281   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
282                            2 causes a slowdown at runtime.
283   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
284                            leaks and errors, using the specified valgrind binary.
285                            Cannot be combined with --target-exec
286   --samples=PATH           location of test samples for FATE, if not set use
287                            \$FATE_SAMPLES at make invocation time.
288   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
289                            should be used only for debugging purposes)
290
291 NOTE: Object files are built at the place where configure is launched.
292 EOF
293   exit 0
294 }
295
296 quotes='""'
297
298 log(){
299     echo "$@" >> $logfile
300 }
301
302 log_file(){
303     log BEGIN $1
304     pr -n -t $1 >> $logfile
305     log END $1
306 }
307
308 echolog(){
309     log "$@"
310     echo "$@"
311 }
312
313 warn(){
314     log "WARNING: $*"
315     WARNINGS="${WARNINGS}WARNING: $*\n"
316 }
317
318 die(){
319     echolog "$@"
320     cat <<EOF
321
322 If you think configure made a mistake, make sure you are using the latest
323 version from Git.  If the latest version fails, report the problem to the
324 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
325 EOF
326     if disabled logging; then
327         cat <<EOF
328 Rerun configure with logging enabled (do not use --disable-logging), and
329 include the log this produces with your report.
330 EOF
331     else
332 cat <<EOF
333 Include the log file "$logfile" produced by configure as this will help
334 solving the problem.
335 EOF
336     fi
337     exit 1
338 }
339
340 # Avoid locale weirdness, besides we really just want to translate ASCII.
341 toupper(){
342     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
343 }
344
345 tolower(){
346     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
347 }
348
349 c_escape(){
350     echo "$*" | sed 's/["\\]/\\\0/g'
351 }
352
353 sh_quote(){
354     v=$(echo "$1" | sed "s/'/'\\\\''/g")
355     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
356     echo "$v"
357 }
358
359 cleanws(){
360     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
361 }
362
363 filter(){
364     pat=$1
365     shift
366     for v; do
367         eval "case $v in $pat) echo $v ;; esac"
368     done
369 }
370
371 filter_out(){
372     pat=$1
373     shift
374     for v; do
375         eval "case $v in $pat) ;; *) echo $v ;; esac"
376     done
377 }
378
379 map(){
380     m=$1
381     shift
382     for v; do eval $m; done
383 }
384
385 set_all(){
386     value=$1
387     shift
388     for var in $*; do
389         eval $var=$value
390     done
391 }
392
393 set_weak(){
394     value=$1
395     shift
396     for var; do
397         eval : \${$var:=$value}
398     done
399 }
400
401 set_safe(){
402     var=$1
403     shift
404     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
405 }
406
407 get_safe(){
408     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
409 }
410
411 pushvar(){
412     for var in $*; do
413         eval level=\${${var}_level:=0}
414         eval ${var}_${level}="\$$var"
415         eval ${var}_level=$(($level+1))
416     done
417 }
418
419 popvar(){
420     for var in $*; do
421         eval level=\${${var}_level:-0}
422         test $level = 0 && continue
423         eval level=$(($level-1))
424         eval $var="\${${var}_${level}}"
425         eval ${var}_level=$level
426         eval unset ${var}_${level}
427     done
428 }
429
430 enable(){
431     set_all yes $*
432 }
433
434 disable(){
435     set_all no $*
436 }
437
438 enable_weak(){
439     set_weak yes $*
440 }
441
442 disable_weak(){
443     set_weak no $*
444 }
445
446 enable_safe(){
447     for var; do
448         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
449     done
450 }
451
452 disable_safe(){
453     for var; do
454         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
455     done
456 }
457
458 do_enable_deep(){
459     for var; do
460         enabled $var && continue
461         eval sel="\$${var}_select"
462         eval sgs="\$${var}_suggest"
463         pushvar var sgs
464         enable_deep $sel
465         popvar sgs
466         enable_deep_weak $sgs
467         popvar var
468     done
469 }
470
471 enable_deep(){
472     do_enable_deep $*
473     enable $*
474 }
475
476 enable_deep_weak(){
477     do_enable_deep $*
478     enable_weak $*
479 }
480
481 enabled(){
482     test "${1#!}" = "$1" && op== || op=!=
483     eval test "x\$${1#!}" $op "xyes"
484 }
485
486 disabled(){
487     test "${1#!}" = "$1" && op== || op=!=
488     eval test "x\$${1#!}" $op "xno"
489 }
490
491 enabled_all(){
492     for opt; do
493         enabled $opt || return 1
494     done
495 }
496
497 disabled_all(){
498     for opt; do
499         disabled $opt || return 1
500     done
501 }
502
503 enabled_any(){
504     for opt; do
505         enabled $opt && return 0
506     done
507 }
508
509 disabled_any(){
510     for opt; do
511         disabled $opt && return 0
512     done
513     return 1
514 }
515
516 set_default(){
517     for opt; do
518         eval : \${$opt:=\$${opt}_default}
519     done
520 }
521
522 is_in(){
523     value=$1
524     shift
525     for var in $*; do
526         [ $var = $value ] && return 0
527     done
528     return 1
529 }
530
531 check_deps(){
532     for cfg; do
533         cfg="${cfg#!}"
534         enabled ${cfg}_checking && die "Circular dependency for $cfg."
535         disabled ${cfg}_checking && continue
536         enable ${cfg}_checking
537
538         eval dep_all="\$${cfg}_deps"
539         eval dep_any="\$${cfg}_deps_any"
540         eval dep_sel="\$${cfg}_select"
541         eval dep_sgs="\$${cfg}_suggest"
542         eval dep_ifa="\$${cfg}_if"
543         eval dep_ifn="\$${cfg}_if_any"
544
545         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
546         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
547         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
548
549         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
550         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
551         enabled_all  $dep_all || disable $cfg
552         enabled_any  $dep_any || disable $cfg
553         disabled_any $dep_sel && disable $cfg
554
555         if enabled $cfg; then
556             eval dep_extralibs="\$${cfg}_extralibs"
557             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
558             enable_deep $dep_sel
559             enable_deep_weak $dep_sgs
560         fi
561
562         disable ${cfg}_checking
563     done
564 }
565
566 print_config_h(){
567     enabled $1 && v=1 || v=0
568     echo "#define $2 $v"
569 }
570
571 print_config_mak(){
572     enabled $1 && v= || v=!
573     echo "$v$2=yes"
574 }
575
576 print_config_asm(){
577     enabled $1 && v=1 || v=0
578     echo "%define $2 $v"
579 }
580
581 print_config(){
582     pfx=$1
583     files=$2
584     shift 2
585     for cfg; do
586         ucname="$(toupper $cfg)"
587         for f in $files; do
588             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
589         done
590     done
591 }
592
593 print_enabled(){
594     test "$1" = -n && end=" " && shift || end="\n"
595     suf=$1
596     shift
597     for v; do
598         enabled $v && printf "%s$end" ${v%$suf};
599     done
600 }
601
602 append(){
603     var=$1
604     shift
605     eval "$var=\"\$$var $*\""
606 }
607
608 prepend(){
609     var=$1
610     shift
611     eval "$var=\"$* \$$var\""
612 }
613
614 add_cppflags(){
615     append CPPFLAGS $($filter_cppflags "$@")
616 }
617
618 add_cflags(){
619     append CFLAGS $($filter_cflags "$@")
620 }
621
622 add_cxxflags(){
623     append CXXFLAGS $($filter_cflags "$@")
624 }
625
626 add_asflags(){
627     append ASFLAGS $($filter_asflags "$@")
628 }
629
630 add_ldflags(){
631     append LDFLAGS "$@"
632 }
633
634 add_extralibs(){
635     prepend extralibs "$@"
636 }
637
638 check_cmd(){
639     log "$@"
640     "$@" >> $logfile 2>&1
641 }
642
643 check_cc(){
644     log check_cc "$@"
645     cat > $TMPC
646     log_file $TMPC
647     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
648 }
649
650 check_cxx(){
651     log check_cxx "$@"
652     cat > $TMPCPP
653     log_file $TMPCPP
654     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
655 }
656
657 check_cpp(){
658     log check_cpp "$@"
659     cat > $TMPC
660     log_file $TMPC
661     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
662 }
663
664 check_as(){
665     log check_as "$@"
666     cat > $TMPC
667     log_file $TMPC
668     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
669 }
670
671 check_asm(){
672     log check_asm "$@"
673     name="$1"
674     code="$2"
675     shift 2
676     disable $name
677     check_as "$@" <<EOF && enable $name
678 void foo(void){ __asm__ volatile($code); }
679 EOF
680 }
681
682 check_yasm(){
683     log check_yasm "$@"
684     echo "$1" > $TMPS
685     log_file $TMPS
686     shift 1
687     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
688 }
689
690 check_ld(){
691     log check_ld "$@"
692     type=$1
693     shift 1
694     flags=''
695     libs=''
696     for f; do
697         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
698     done
699     check_$type $($filter_cflags $flags) || return
700     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
701 }
702
703 check_cppflags(){
704     log check_cppflags "$@"
705     set -- $($filter_cppflags "$@")
706     check_cc "$@" <<EOF && append CPPFLAGS "$@"
707 int x;
708 EOF
709 }
710
711 check_cflags(){
712     log check_cflags "$@"
713     set -- $($filter_cflags "$@")
714     check_cc "$@" <<EOF && append CFLAGS "$@"
715 int x;
716 EOF
717 }
718
719 check_cxxflags(){
720     log check_cxxflags "$@"
721     set -- $($filter_cflags "$@")
722     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
723 int x;
724 EOF
725 }
726
727 test_ldflags(){
728     log test_ldflags "$@"
729     check_ld "cc" "$@" <<EOF
730 int main(void){ return 0; }
731 EOF
732 }
733
734 check_ldflags(){
735     log check_ldflags "$@"
736     test_ldflags "$@" && add_ldflags "$@"
737 }
738
739 check_header(){
740     log check_header "$@"
741     header=$1
742     shift
743     disable_safe $header
744     check_cpp "$@" <<EOF && enable_safe $header
745 #include <$header>
746 int x;
747 EOF
748 }
749
750 check_func(){
751     log check_func "$@"
752     func=$1
753     shift
754     disable $func
755     check_ld "cc" "$@" <<EOF && enable $func
756 extern int $func();
757 int main(void){ $func(); }
758 EOF
759 }
760
761 check_mathfunc(){
762     log check_mathfunc "$@"
763     func=$1
764     shift
765     disable $func
766     check_ld "cc" "$@" <<EOF && enable $func
767 #include <math.h>
768 float foo(float f) { return $func(f); }
769 int main(void){ return (int) foo; }
770 EOF
771 }
772
773 check_func_headers(){
774     log check_func_headers "$@"
775     headers=$1
776     funcs=$2
777     shift 2
778     {
779         for hdr in $headers; do
780             echo "#include <$hdr>"
781         done
782         for func in $funcs; do
783             echo "long check_$func(void) { return (long) $func; }"
784         done
785         echo "int main(void) { return 0; }"
786     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
787 }
788
789 check_class_headers_cpp(){
790     log check_class_headers_cpp "$@"
791     headers=$1
792     classes=$2
793     shift 2
794     {
795         for hdr in $headers; do
796             echo "#include <$hdr>"
797         done
798         echo "int main(void) { "
799         i=1
800         for class in $classes; do
801             echo "$class obj$i;"
802             i=$(expr $i + 1)
803         done
804         echo "return 0; }"
805     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
806 }
807
808 check_cpp_condition(){
809     log check_cpp_condition "$@"
810     header=$1
811     condition=$2
812     shift 2
813     check_cpp $($filter_cppflags "$@") <<EOF
814 #include <$header>
815 #if !($condition)
816 #error "unsatisfied condition: $condition"
817 #endif
818 EOF
819 }
820
821 check_lib(){
822     log check_lib "$@"
823     header="$1"
824     func="$2"
825     shift 2
826     check_header $header && check_func $func "$@" && add_extralibs "$@"
827 }
828
829 check_lib2(){
830     log check_lib2 "$@"
831     headers="$1"
832     funcs="$2"
833     shift 2
834     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
835 }
836
837 check_lib_cpp(){
838     log check_lib_cpp "$@"
839     headers="$1"
840     classes="$2"
841     shift 2
842     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
843 }
844
845 check_pkg_config(){
846     log check_pkg_config "$@"
847     pkg="$1"
848     headers="$2"
849     funcs="$3"
850     shift 3
851     $pkg_config --exists $pkg 2>/dev/null || return
852     pkg_cflags=$($pkg_config --cflags $pkg)
853     pkg_libs=$($pkg_config --libs $pkg)
854     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
855         set_safe ${pkg}_cflags $pkg_cflags   &&
856         set_safe ${pkg}_libs   $pkg_libs
857 }
858
859 check_exec(){
860     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
861 }
862
863 check_exec_crash(){
864     code=$(cat)
865
866     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
867     # are safe but may not be available everywhere.  Thus we use
868     # raise(SIGTERM) instead.  The check is run in a subshell so we
869     # can redirect the "Terminated" message from the shell.  SIGBUS
870     # is not defined by standard C so it is used conditionally.
871
872     (check_exec "$@") >> $logfile 2>&1 <<EOF
873 #include <signal.h>
874 static void sighandler(int sig){
875     raise(SIGTERM);
876 }
877 int func(void){
878     $code
879 }
880 int (*func_ptr)(void) = func;
881 int main(void){
882     signal(SIGILL, sighandler);
883     signal(SIGFPE, sighandler);
884     signal(SIGSEGV, sighandler);
885 #ifdef SIGBUS
886     signal(SIGBUS, sighandler);
887 #endif
888     return func_ptr();
889 }
890 EOF
891 }
892
893 check_type(){
894     log check_type "$@"
895     headers=$1
896     type=$2
897     shift 2
898     disable_safe "$type"
899     incs=""
900     for hdr in $headers; do
901         incs="$incs
902 #include <$hdr>"
903     done
904     check_cc "$@" <<EOF && enable_safe "$type"
905 $incs
906 $type v;
907 EOF
908 }
909
910 check_struct(){
911     log check_type "$@"
912     headers=$1
913     struct=$2
914     member=$3
915     shift 3
916     disable_safe "${struct}_${member}"
917     incs=""
918     for hdr in $headers; do
919         incs="$incs
920 #include <$hdr>"
921     done
922     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
923 $incs
924 const void *p = &(($struct *)0)->$member;
925 EOF
926 }
927
928 require(){
929     name="$1"
930     header="$2"
931     func="$3"
932     shift 3
933     check_lib $header $func "$@" || die "ERROR: $name not found"
934 }
935
936 require2(){
937     name="$1"
938     headers="$2"
939     func="$3"
940     shift 3
941     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
942 }
943
944 require_cpp(){
945     name="$1"
946     headers="$2"
947     classes="$3"
948     shift 3
949     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
950 }
951
952 require_pkg_config(){
953     pkg="$1"
954     check_pkg_config "$@" || die "ERROR: $pkg not found"
955     add_cflags    $(get_safe ${pkg}_cflags)
956     add_extralibs $(get_safe ${pkg}_libs)
957 }
958
959 check_host_cc(){
960     log check_host_cc "$@"
961     cat > $TMPC
962     log_file $TMPC
963     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
964 }
965
966 check_host_cflags(){
967     log check_host_cflags "$@"
968     check_host_cc "$@" <<EOF && append host_cflags "$@"
969 int x;
970 EOF
971 }
972
973 apply(){
974     file=$1
975     shift
976     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
977 }
978
979 cp_if_changed(){
980     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
981     mkdir -p "$(dirname $2)"
982     cp -f "$1" "$2"
983 }
984
985 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
986 # system-dependent things.
987
988 COMPONENT_LIST="
989     bsfs
990     decoders
991     demuxers
992     encoders
993     filters
994     hwaccels
995     indevs
996     muxers
997     outdevs
998     parsers
999     protocols
1000 "
1001
1002 PROGRAM_LIST="
1003     ffplay
1004     ffprobe
1005     ffserver
1006     ffmpeg
1007 "
1008
1009 CONFIG_LIST="
1010     $COMPONENT_LIST
1011     $PROGRAM_LIST
1012     ac3dsp
1013     avcodec
1014     avdevice
1015     avfilter
1016     avformat
1017     avresample
1018     avisynth
1019     bzlib
1020     crystalhd
1021     dct
1022     doc
1023     dwt
1024     dxva2
1025     fastdiv
1026     fft
1027     fontconfig
1028     frei0r
1029     gnutls
1030     gpl
1031     gray
1032     hardcoded_tables
1033     libaacplus
1034     libass
1035     libbluray
1036     libcdio
1037     libcelt
1038     libdc1394
1039     libfaac
1040     libfreetype
1041     libgsm
1042     libmodplug
1043     libmp3lame
1044     libnut
1045     libopencore_amrnb
1046     libopencore_amrwb
1047     libopencv
1048     libopenjpeg
1049     libpulse
1050     librtmp
1051     libschroedinger
1052     libspeex
1053     libstagefright_h264
1054     libtheora
1055     libutvideo
1056     libv4l2
1057     libvo_aacenc
1058     libvo_amrwbenc
1059     libvorbis
1060     libvpx
1061     libx264
1062     libxavs
1063     libxvid
1064     lsp
1065     mdct
1066     memalign_hack
1067     mpegaudiodsp
1068     network
1069     nonfree
1070     openal
1071     openssl
1072     pic
1073     postproc
1074     rdft
1075     rtpdec
1076     runtime_cpudetect
1077     safe_bitstream_reader
1078     shared
1079     sinewin
1080     small
1081     sram
1082     static
1083     swresample
1084     swscale
1085     swscale_alpha
1086     thumb
1087     vaapi
1088     vda
1089     vdpau
1090     version3
1091     xmm_clobber_test
1092     x11grab
1093     zlib
1094 "
1095
1096 THREADS_LIST='
1097     pthreads
1098     w32threads
1099     os2threads
1100 '
1101
1102 ARCH_LIST='
1103     alpha
1104     arm
1105     avr32
1106     avr32_ap
1107     avr32_uc
1108     bfin
1109     ia64
1110     m68k
1111     mips
1112     mips64
1113     parisc
1114     ppc
1115     ppc64
1116     s390
1117     sh4
1118     sparc
1119     sparc64
1120     tomi
1121     x86
1122     x86_32
1123     x86_64
1124 '
1125
1126 ARCH_EXT_LIST='
1127     altivec
1128     amd3dnow
1129     amd3dnowext
1130     armv5te
1131     armv6
1132     armv6t2
1133     armvfp
1134     avx
1135     mmi
1136     mmx
1137     mmx2
1138     neon
1139     ppc4xx
1140     sse
1141     ssse3
1142     vfpv3
1143     vis
1144 '
1145
1146 HAVE_LIST_PUB='
1147     bigendian
1148     fast_unaligned
1149 '
1150
1151 HAVE_LIST="
1152     $ARCH_EXT_LIST
1153     $HAVE_LIST_PUB
1154     $THREADS_LIST
1155     aligned_stack
1156     alsa_asoundlib_h
1157     altivec_h
1158     arpa_inet_h
1159     asm_mod_y
1160     asm_types_h
1161     attribute_may_alias
1162     attribute_packed
1163     cbrtf
1164     clock_gettime
1165     closesocket
1166     cmov
1167     dcbzl
1168     dev_bktr_ioctl_bt848_h
1169     dev_bktr_ioctl_meteor_h
1170     dev_ic_bt8xx_h
1171     dev_video_bktr_ioctl_bt848_h
1172     dev_video_meteor_ioctl_meteor_h
1173     dlfcn_h
1174     dlopen
1175     dos_paths
1176     dxva_h
1177     ebp_available
1178     ebx_available
1179     exp2
1180     exp2f
1181     fast_64bit
1182     fast_clz
1183     fast_cmov
1184     fcntl
1185     fork
1186     getaddrinfo
1187     gethrtime
1188     GetProcessAffinityMask
1189     GetProcessMemoryInfo
1190     GetProcessTimes
1191     getrusage
1192     glob
1193     gnu_as
1194     ibm_asm
1195     inet_aton
1196     inline_asm
1197     isatty
1198     kbhit
1199     ldbrx
1200     libdc1394_1
1201     libdc1394_2
1202     llrint
1203     llrintf
1204     local_aligned_16
1205     local_aligned_8
1206     localtime_r
1207     log2
1208     log2f
1209     loongson
1210     lrint
1211     lrintf
1212     lzo1x_999_compress
1213     machine_ioctl_bt848_h
1214     machine_ioctl_meteor_h
1215     makeinfo
1216     malloc_h
1217     MapViewOfFile
1218     memalign
1219     mkstemp
1220     mmap
1221     PeekNamedPipe
1222     poll_h
1223     posix_memalign
1224     pthread_cancel
1225     round
1226     roundf
1227     sched_getaffinity
1228     sdl
1229     sdl_video_size
1230     setmode
1231     setrlimit
1232     sndio_h
1233     socklen_t
1234     soundcard_h
1235     strerror_r
1236     strptime
1237     struct_addrinfo
1238     struct_ipv6_mreq
1239     struct_rusage_ru_maxrss
1240     struct_sctp_event_subscribe
1241     struct_sockaddr_in6
1242     struct_sockaddr_sa_len
1243     struct_sockaddr_storage
1244     struct_v4l2_frmivalenum_discrete
1245     symver
1246     symver_asm_label
1247     symver_gnu_asm
1248     sysconf
1249     sysctl
1250     sys_mman_h
1251     sys_param_h
1252     sys_resource_h
1253     sys_select_h
1254     sys_soundcard_h
1255     sys_videoio_h
1256     termios_h
1257     threads
1258     trunc
1259     truncf
1260     vfp_args
1261     VirtualAlloc
1262     winsock2_h
1263     xform_asm
1264     xmm_clobbers
1265     yasm
1266 "
1267
1268 # options emitted with CONFIG_ prefix but not available on command line
1269 CONFIG_EXTRA="
1270     aandct
1271     avutil
1272     golomb
1273     gplv3
1274     h264chroma
1275     h264dsp
1276     h264pred
1277     h264qpel
1278     huffman
1279     lgplv3
1280     lpc
1281 "
1282
1283 CMDLINE_SELECT="
1284     $ARCH_EXT_LIST
1285     $CONFIG_LIST
1286     $THREADS_LIST
1287     asm
1288     coverage
1289     cross_compile
1290     debug
1291     extra_warnings
1292     logging
1293     optimizations
1294     stripping
1295     symver
1296     yasm
1297 "
1298
1299 PATHS_LIST='
1300     bindir
1301     datadir
1302     incdir
1303     libdir
1304     mandir
1305     prefix
1306     shlibdir
1307 '
1308
1309 CMDLINE_SET="
1310     $PATHS_LIST
1311     ar
1312     arch
1313     as
1314     assert_level
1315     build_suffix
1316     cc
1317     cpu
1318     cross_prefix
1319     cxx
1320     dep_cc
1321     extra_version
1322     host_cc
1323     host_cflags
1324     host_ldflags
1325     host_libs
1326     host_os
1327     install
1328     ld
1329     logfile
1330     malloc_prefix
1331     nm
1332     optflags
1333     pkg_config
1334     postproc_version
1335     progs_suffix
1336     samples
1337     strip
1338     sysinclude
1339     sysroot
1340     target_exec
1341     target_os
1342     target_path
1343     valgrind
1344     yasmexe
1345 "
1346
1347 CMDLINE_APPEND="
1348     extra_cflags
1349     extra_cxxflags
1350 "
1351
1352 # code dependency declarations
1353
1354 # architecture extensions
1355
1356 armv5te_deps="arm"
1357 armv6_deps="arm"
1358 armv6t2_deps="arm"
1359 armvfp_deps="arm"
1360 neon_deps="arm"
1361 vfpv3_deps="armvfp"
1362
1363 mmi_deps="mips"
1364
1365 altivec_deps="ppc"
1366 ppc4xx_deps="ppc"
1367
1368 vis_deps="sparc"
1369
1370 x86_64_suggest="cmov fast_cmov"
1371 amd3dnow_deps="mmx"
1372 amd3dnowext_deps="amd3dnow"
1373 mmx_deps="x86"
1374 mmx2_deps="mmx"
1375 sse_deps="mmx"
1376 ssse3_deps="sse"
1377 avx_deps="ssse3"
1378
1379 aligned_stack_if_any="ppc x86"
1380 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1381 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1382 fast_unaligned_if_any="armv6 ppc x86"
1383
1384 inline_asm_deps="!tms470"
1385 need_memalign="altivec neon sse"
1386
1387 symver_if_any="symver_asm_label symver_gnu_asm"
1388
1389 # subsystems
1390 dct_select="rdft"
1391 mdct_select="fft"
1392 rdft_select="fft"
1393 mpegaudiodsp_select="dct"
1394
1395 # decoders / encoders / hardware accelerators
1396 aac_decoder_select="mdct sinewin"
1397 aac_encoder_select="mdct sinewin"
1398 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1399 ac3_decoder_select="mdct ac3dsp ac3_parser"
1400 ac3_encoder_select="mdct ac3dsp"
1401 ac3_fixed_encoder_select="mdct ac3dsp"
1402 alac_encoder_select="lpc"
1403 amrnb_decoder_select="lsp"
1404 amrwb_decoder_select="lsp"
1405 atrac1_decoder_select="mdct sinewin"
1406 atrac3_decoder_select="mdct"
1407 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1408 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1409 cavs_decoder_select="golomb"
1410 cook_decoder_select="mdct sinewin"
1411 cscd_decoder_suggest="zlib"
1412 dca_decoder_select="mdct"
1413 dnxhd_encoder_select="aandct"
1414 dxa_decoder_select="zlib"
1415 eac3_decoder_select="ac3_decoder"
1416 eac3_encoder_select="mdct ac3dsp"
1417 eamad_decoder_select="aandct"
1418 eatgq_decoder_select="aandct"
1419 eatqi_decoder_select="aandct"
1420 ffv1_decoder_select="golomb"
1421 flac_decoder_select="golomb"
1422 flac_encoder_select="golomb lpc"
1423 flashsv_decoder_select="zlib"
1424 flashsv_encoder_select="zlib"
1425 flashsv2_encoder_select="zlib"
1426 flashsv2_decoder_select="zlib"
1427 flv_decoder_select="h263_decoder"
1428 flv_encoder_select="h263_encoder"
1429 fraps_decoder_select="huffman"
1430 h261_encoder_select="aandct"
1431 h263_decoder_select="h263_parser"
1432 h263_encoder_select="aandct"
1433 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1434 h263i_decoder_select="h263_decoder"
1435 h263p_encoder_select="h263_encoder"
1436 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1437 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1438 h264_dxva2_hwaccel_deps="dxva2api_h"
1439 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1440 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1441 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1442 h264_vda_hwaccel_select="vda h264_decoder"
1443 h264_vdpau_decoder_select="vdpau h264_decoder"
1444 imc_decoder_select="fft mdct sinewin"
1445 jpegls_decoder_select="golomb"
1446 jpegls_encoder_select="golomb"
1447 ljpeg_encoder_select="aandct"
1448 loco_decoder_select="golomb"
1449 mjpeg_encoder_select="aandct"
1450 mlp_decoder_select="mlp_parser"
1451 mp1_decoder_select="mpegaudiodsp"
1452 mp1float_decoder_select="mpegaudiodsp"
1453 mp2_decoder_select="mpegaudiodsp"
1454 mp2float_decoder_select="mpegaudiodsp"
1455 mp3_decoder_select="mpegaudiodsp"
1456 mp3adu_decoder_select="mpegaudiodsp"
1457 mp3adufloat_decoder_select="mpegaudiodsp"
1458 mp3float_decoder_select="mpegaudiodsp"
1459 mp3on4_decoder_select="mpegaudiodsp"
1460 mp3on4float_decoder_select="mpegaudiodsp"
1461 mpc7_decoder_select="mpegaudiodsp"
1462 mpc8_decoder_select="mpegaudiodsp"
1463 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1464 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1465 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1466 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1467 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1468 mpeg1video_encoder_select="aandct"
1469 mpeg2_crystalhd_decoder_select="crystalhd"
1470 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1471 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1472 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1473 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1474 mpeg2video_encoder_select="aandct"
1475 mpeg4_crystalhd_decoder_select="crystalhd"
1476 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1477 mpeg4_encoder_select="h263_encoder"
1478 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1479 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1480 msmpeg4_crystalhd_decoder_select="crystalhd"
1481 msmpeg4v1_decoder_select="h263_decoder"
1482 msmpeg4v1_encoder_select="h263_encoder"
1483 msmpeg4v2_decoder_select="h263_decoder"
1484 msmpeg4v2_encoder_select="h263_encoder"
1485 msmpeg4v3_decoder_select="h263_decoder"
1486 msmpeg4v3_encoder_select="h263_encoder"
1487 nellymoser_decoder_select="mdct sinewin"
1488 nellymoser_encoder_select="mdct sinewin"
1489 png_decoder_select="zlib"
1490 png_encoder_select="zlib"
1491 qcelp_decoder_select="lsp"
1492 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1493 ra_144_encoder_select="lpc"
1494 ralf_decoder_select="golomb"
1495 rv10_decoder_select="h263_decoder"
1496 rv10_encoder_select="h263_encoder"
1497 rv20_decoder_select="h263_decoder"
1498 rv20_encoder_select="h263_encoder"
1499 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1500 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1501 shorten_decoder_select="golomb"
1502 sipr_decoder_select="lsp"
1503 snow_decoder_select="dwt"
1504 snow_encoder_select="aandct dwt"
1505 sonic_decoder_select="golomb"
1506 sonic_encoder_select="golomb"
1507 sonic_ls_encoder_select="golomb"
1508 svq1_encoder_select="aandct"
1509 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1510 svq3_decoder_suggest="zlib"
1511 theora_decoder_select="vp3_decoder"
1512 tiff_decoder_suggest="zlib"
1513 tiff_encoder_suggest="zlib"
1514 truehd_decoder_select="mlp_decoder"
1515 tscc_decoder_select="zlib"
1516 twinvq_decoder_select="mdct lsp sinewin"
1517 vc1_crystalhd_decoder_select="crystalhd"
1518 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1519 vc1_dxva2_hwaccel_deps="dxva2api_h"
1520 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1521 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1522 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1523 vc1image_decoder_select="vc1_decoder"
1524 vorbis_decoder_select="mdct"
1525 vorbis_encoder_select="mdct"
1526 vp6_decoder_select="huffman"
1527 vp6a_decoder_select="vp6_decoder"
1528 vp6f_decoder_select="vp6_decoder"
1529 vp8_decoder_select="h264pred h264qpel"
1530 wmapro_decoder_select="mdct sinewin"
1531 wmav1_decoder_select="mdct sinewin"
1532 wmav1_encoder_select="mdct sinewin"
1533 wmav2_decoder_select="mdct sinewin"
1534 wmav2_encoder_select="mdct sinewin"
1535 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1536 wmv1_decoder_select="h263_decoder"
1537 wmv1_encoder_select="h263_encoder"
1538 wmv2_decoder_select="h263_decoder"
1539 wmv2_encoder_select="h263_encoder"
1540 wmv3_decoder_select="vc1_decoder"
1541 wmv3_crystalhd_decoder_select="crystalhd"
1542 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1543 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1544 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1545 wmv3image_decoder_select="wmv3_decoder"
1546 zerocodec_decoder_select="zlib"
1547 zlib_decoder_select="zlib"
1548 zlib_encoder_select="zlib"
1549 zmbv_decoder_select="zlib"
1550 zmbv_encoder_select="zlib"
1551
1552 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1553 vaapi_deps="va_va_h"
1554 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1555 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1556
1557 # parsers
1558 h264_parser_select="golomb h264dsp h264pred"
1559
1560 # external libraries
1561 libaacplus_encoder_deps="libaacplus"
1562 libcelt_decoder_deps="libcelt"
1563 libfaac_encoder_deps="libfaac"
1564 libgsm_decoder_deps="libgsm"
1565 libgsm_encoder_deps="libgsm"
1566 libgsm_ms_decoder_deps="libgsm"
1567 libgsm_ms_encoder_deps="libgsm"
1568 libmodplug_demuxer_deps="libmodplug"
1569 libmp3lame_encoder_deps="libmp3lame"
1570 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1571 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1572 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1573 libopenjpeg_decoder_deps="libopenjpeg"
1574 libopenjpeg_encoder_deps="libopenjpeg"
1575 libschroedinger_decoder_deps="libschroedinger"
1576 libschroedinger_encoder_deps="libschroedinger"
1577 libspeex_decoder_deps="libspeex"
1578 libspeex_encoder_deps="libspeex"
1579 libstagefright_h264_decoder_deps="libstagefright_h264"
1580 libtheora_encoder_deps="libtheora"
1581 libvo_aacenc_encoder_deps="libvo_aacenc"
1582 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1583 libvorbis_decoder_deps="libvorbis"
1584 libvorbis_encoder_deps="libvorbis"
1585 libvpx_decoder_deps="libvpx"
1586 libvpx_encoder_deps="libvpx"
1587 libx264_encoder_deps="libx264"
1588 libx264rgb_encoder_deps="libx264"
1589 libxavs_encoder_deps="libxavs"
1590 libxvid_encoder_deps="libxvid"
1591 libutvideo_decoder_deps="libutvideo"
1592 libutvideo_encoder_deps="libutvideo"
1593
1594 # demuxers / muxers
1595 ac3_demuxer_select="ac3_parser"
1596 asf_stream_muxer_select="asf_muxer"
1597 avisynth_demuxer_deps="avisynth"
1598 dirac_demuxer_select="dirac_parser"
1599 eac3_demuxer_select="ac3_parser"
1600 flac_demuxer_select="flac_parser"
1601 ipod_muxer_select="mov_muxer"
1602 libnut_demuxer_deps="libnut"
1603 libnut_muxer_deps="libnut"
1604 matroska_audio_muxer_select="matroska_muxer"
1605 matroska_demuxer_suggest="zlib bzlib"
1606 mov_demuxer_suggest="zlib"
1607 mp3_demuxer_select="mpegaudio_parser"
1608 mp4_muxer_select="mov_muxer"
1609 mpegtsraw_demuxer_select="mpegts_demuxer"
1610 mxf_d10_muxer_select="mxf_muxer"
1611 ogg_demuxer_select="golomb"
1612 psp_muxer_select="mov_muxer"
1613 rtp_demuxer_select="sdp_demuxer"
1614 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1615 rtsp_demuxer_select="http_protocol rtpdec"
1616 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1617 sap_demuxer_select="sdp_demuxer"
1618 sap_muxer_select="rtp_muxer rtp_protocol"
1619 sdp_demuxer_select="rtpdec"
1620 spdif_muxer_select="aac_parser"
1621 tg2_muxer_select="mov_muxer"
1622 tgp_muxer_select="mov_muxer"
1623 w64_demuxer_deps="wav_demuxer"
1624
1625 # indevs / outdevs
1626 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1627 alsa_outdev_deps="alsa_asoundlib_h"
1628 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1629 dshow_indev_deps="IBaseFilter"
1630 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1631 dv1394_indev_deps="dv1394 dv_demuxer"
1632 fbdev_indev_deps="linux_fb_h"
1633 jack_indev_deps="jack_jack_h sem_timedwait"
1634 lavfi_indev_deps="avfilter"
1635 libcdio_indev_deps="libcdio"
1636 libdc1394_indev_deps="libdc1394"
1637 libv4l2_indev_deps="libv4l2"
1638 openal_indev_deps="openal"
1639 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1640 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1641 pulse_indev_deps="libpulse"
1642 sdl_outdev_deps="sdl"
1643 sndio_indev_deps="sndio_h"
1644 sndio_outdev_deps="sndio_h"
1645 v4l_indev_deps="linux_videodev_h"
1646 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1647 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1648 vfwcap_indev_extralibs="-lavicap32"
1649 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1650
1651 # protocols
1652 bluray_protocol_deps="libbluray"
1653 gopher_protocol_deps="network"
1654 httpproxy_protocol_deps="network"
1655 httpproxy_protocol_select="tcp_protocol"
1656 http_protocol_deps="network"
1657 http_protocol_select="tcp_protocol"
1658 https_protocol_select="tls_protocol"
1659 librtmp_protocol_deps="librtmp"
1660 librtmpe_protocol_deps="librtmp"
1661 librtmps_protocol_deps="librtmp"
1662 librtmpt_protocol_deps="librtmp"
1663 librtmpte_protocol_deps="librtmp"
1664 mmsh_protocol_select="http_protocol"
1665 mmst_protocol_deps="network"
1666 rtmp_protocol_deps="!librtmp_protocol"
1667 rtmp_protocol_select="tcp_protocol"
1668 rtp_protocol_select="udp_protocol"
1669 sctp_protocol_deps="network struct_sctp_event_subscribe"
1670 tcp_protocol_deps="network"
1671 tls_protocol_deps_any="openssl gnutls"
1672 tls_protocol_select="tcp_protocol"
1673 udp_protocol_deps="network"
1674
1675 # filters
1676 aconvert_filter_deps="swresample"
1677 amovie_filter_deps="avcodec avformat"
1678 aresample_filter_deps="swresample"
1679 ass_filter_deps="libass"
1680 asyncts_filter_deps="avresample"
1681 blackframe_filter_deps="gpl"
1682 boxblur_filter_deps="gpl"
1683 colormatrix_filter_deps="gpl"
1684 cropdetect_filter_deps="gpl"
1685 delogo_filter_deps="gpl"
1686 deshake_filter_deps="avcodec"
1687 drawtext_filter_deps="libfreetype"
1688 frei0r_filter_deps="frei0r dlopen"
1689 frei0r_filter_extralibs='$ldl'
1690 frei0r_src_filter_deps="frei0r dlopen"
1691 frei0r_src_filter_extralibs='$ldl'
1692 hqdn3d_filter_deps="gpl"
1693 movie_filter_deps="avcodec avformat"
1694 mp_filter_deps="gpl avcodec swscale postproc"
1695 mptestsrc_filter_deps="gpl"
1696 negate_filter_deps="lut_filter"
1697 resample_filter_deps="avresample"
1698 ocv_filter_deps="libopencv"
1699 pan_filter_deps="swresample"
1700 removelogo_filter_deps="avcodec avformat swscale"
1701 scale_filter_deps="swscale"
1702 super2xsai_filter_deps="gpl"
1703 tinterlace_filter_deps="gpl"
1704 yadif_filter_deps="gpl"
1705
1706 # libraries
1707 avdevice_deps="avcodec avformat"
1708 avfilter_deps="swscale"
1709 avformat_deps="avcodec"
1710 postproc_deps="gpl"
1711
1712 # programs
1713 ffplay_deps="avcodec avformat swscale swresample sdl"
1714 ffplay_select="buffersink_filter rdft"
1715 ffprobe_deps="avcodec avformat"
1716 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1717 ffserver_extralibs='$ldl'
1718 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1719 ffmpeg_select="buffersink_filter format_filter aformat_filter"
1720
1721 doc_deps="texi2html"
1722
1723 # tests
1724
1725 test_deps(){
1726     suf1=$1
1727     suf2=$2
1728     shift 2
1729     for v; do
1730         dep=${v%=*}
1731         tests=${v#*=}
1732         for name in ${tests}; do
1733             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1734         done
1735     done
1736 }
1737
1738 mxf_d10_test_deps="avfilter"
1739 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1740
1741 test_deps _encoder _decoder                                             \
1742     adpcm_ima_qt                                                        \
1743     adpcm_ima_wav                                                       \
1744     adpcm_ms                                                            \
1745     adpcm_swf                                                           \
1746     adpcm_yamaha=adpcm_yam                                              \
1747     alac                                                                \
1748     asv1                                                                \
1749     asv2                                                                \
1750     bmp                                                                 \
1751     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1752     dvvideo="dv dv_411 dv50"                                            \
1753     ffv1                                                                \
1754     flac                                                                \
1755     flashsv                                                             \
1756     flv                                                                 \
1757     adpcm_g726=g726                                                     \
1758     gif                                                                 \
1759     h261                                                                \
1760     h263="h263 h263p"                                                   \
1761     huffyuv                                                             \
1762     jpegls                                                              \
1763     mjpeg="jpg mjpeg ljpeg"                                             \
1764     mp2                                                                 \
1765     mpeg1video="mpeg mpeg1b"                                            \
1766     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1767     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1768     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1769     mpeg4="mpeg4thread error rc"                                        \
1770     msmpeg4v3=msmpeg4                                                   \
1771     msmpeg4v2                                                           \
1772     pbm=pbmpipe                                                         \
1773     pcx                                                                 \
1774     pgm="pgm pgmpipe"                                                   \
1775     png                                                                 \
1776     ppm="ppm ppmpipe"                                                   \
1777     rawvideo="rgb yuv"                                                  \
1778     roq                                                                 \
1779     rv10                                                                \
1780     rv20                                                                \
1781     sgi                                                                 \
1782     snow="snow snowll"                                                  \
1783     svq1                                                                \
1784     targa=tga                                                           \
1785     tiff                                                                \
1786     wmav1                                                               \
1787     wmav2                                                               \
1788     wmv1                                                                \
1789     wmv2                                                                \
1790
1791 test_deps _muxer _demuxer                                               \
1792     aiff                                                                \
1793     pcm_alaw=alaw                                                       \
1794     asf                                                                 \
1795     au                                                                  \
1796     avi                                                                 \
1797     dv=dv_fmt                                                           \
1798     ffm                                                                 \
1799     flv=flv_fmt                                                         \
1800     gxf                                                                 \
1801     matroska=mkv                                                        \
1802     mmf                                                                 \
1803     mov="mov ismv"                                                      \
1804     pcm_mulaw=mulaw                                                     \
1805     mxf="mxf mxf_d10"                                                   \
1806     nut                                                                 \
1807     ogg="ogg ogg_vp3"                                                   \
1808     rawvideo=pixfmt                                                     \
1809     rm                                                                  \
1810     swf                                                                 \
1811     mpegts=ts                                                           \
1812     voc                                                                 \
1813     wav                                                                 \
1814     yuv4mpegpipe=yuv4mpeg                                               \
1815
1816 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1817 colormatrix1_test_deps="colormatrix_filter"
1818 colormatrix2_test_deps="colormatrix_filter"
1819 flashsv2_test_deps="zlib"
1820 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1821 mpng_test_deps="zlib"
1822 pp_test_deps="mp_filter"
1823 pp2_test_deps="mp_filter"
1824 pp3_test_deps="mp_filter"
1825 pp4_test_deps="mp_filter"
1826 pp5_test_deps="mp_filter"
1827 pp6_test_deps="mp_filter"
1828 zlib_test_deps="zlib"
1829 zmbv_test_deps="zlib"
1830
1831 # default parameters
1832
1833 logfile="config.log"
1834
1835 # installation paths
1836 prefix_default="/usr/local"
1837 bindir_default='${prefix}/bin'
1838 datadir_default='${prefix}/share/ffmpeg'
1839 incdir_default='${prefix}/include'
1840 libdir_default='${prefix}/lib'
1841 mandir_default='${prefix}/share/man'
1842 shlibdir_default="$libdir_default"
1843 postproc_version_default="current"
1844
1845 # toolchain
1846 ar_default="ar"
1847 cc_default="gcc"
1848 cxx_default="g++"
1849 cc_version=\"unknown\"
1850 host_cc_default="gcc"
1851 install="install"
1852 ln_s="ln -sf"
1853 nm_default="nm"
1854 objformat="elf"
1855 pkg_config_default=pkg-config
1856 ranlib="ranlib"
1857 strip_default="strip"
1858 yasmexe_default="yasm"
1859
1860 nm_opts='-g'
1861 nogas=":"
1862
1863 # machine
1864 arch_default=$(uname -m)
1865 cpu="generic"
1866
1867 # OS
1868 target_os_default=$(tolower $(uname -s))
1869 host_os=$target_os_default
1870
1871 # alternative libpostproc version
1872 ALT_PP_VER_MAJOR=51
1873 ALT_PP_VER_MINOR=2
1874 ALT_PP_VER_MICRO=101
1875 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1876
1877 # configurable options
1878 enable $PROGRAM_LIST
1879
1880 enable avcodec
1881 enable avdevice
1882 enable avfilter
1883 enable avformat
1884 enable avutil
1885 enable postproc
1886 enable stripping
1887 enable swresample
1888 enable swscale
1889
1890 enable asm
1891 enable debug
1892 enable doc
1893 enable fastdiv
1894 enable network
1895 enable optimizations
1896 enable safe_bitstream_reader
1897 enable static
1898 enable swscale_alpha
1899
1900 # build settings
1901 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1902 FFSERVERLDFLAGS=-Wl,-E
1903 LIBPREF="lib"
1904 LIBSUF=".a"
1905 FULLNAME='$(NAME)$(BUILDSUF)'
1906 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1907 SLIBPREF="lib"
1908 SLIBSUF=".so"
1909 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1910 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1911 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1912 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1913 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1914 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1915
1916 AS_O='-o $@'
1917 CC_O='-o $@'
1918 CXX_O='-o $@'
1919
1920 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1921 host_libs='-lm'
1922
1923 target_path='$(CURDIR)'
1924
1925 # since the object filename is not given with the -MM flag, the compiler
1926 # is only able to print the basename, and we must add the path ourselves
1927 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1928 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1929
1930 # find source path
1931 if test -f configure; then
1932     source_path=.
1933 else
1934     source_path=$(cd $(dirname "$0"); pwd)
1935     echo "$source_path" | grep -q '[[:blank:]]' &&
1936         die "Out of tree builds are impossible with whitespace in source path."
1937     test -e "$source_path/config.h" &&
1938         die "Out of tree builds are impossible with config.h in source dir."
1939 fi
1940
1941 for v in "$@"; do
1942     r=${v#*=}
1943     l=${v%"$r"}
1944     r=$(sh_quote "$r")
1945     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1946 done
1947
1948 find_things(){
1949     thing=$1
1950     pattern=$2
1951     file=$source_path/$3
1952     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1953 }
1954
1955 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1956 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1957 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1958 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1959 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1960 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1961 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1962 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1963 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1964 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1965 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1966
1967 ALL_COMPONENTS="
1968     $BSF_LIST
1969     $DECODER_LIST
1970     $DEMUXER_LIST
1971     $ENCODER_LIST
1972     $FILTER_LIST
1973     $HWACCEL_LIST
1974     $INDEV_LIST
1975     $MUXER_LIST
1976     $OUTDEV_LIST
1977     $PARSER_LIST
1978     $PROTOCOL_LIST
1979 "
1980
1981 find_tests(){
1982     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1983 }
1984
1985 ACODEC_TESTS=$(find_tests acodec)
1986 VCODEC_TESTS=$(find_tests vsynth1)
1987 LAVF_FATE_TESTS=$(find_tests lavf-fate)
1988 LAVF_TESTS=$(find_tests lavf)
1989 LAVFI_TESTS=$(find_tests lavfi)
1990 SEEK_TESTS=$(find_tests seek seek_)
1991
1992 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1993
1994 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1995
1996 for n in $COMPONENT_LIST; do
1997     v=$(toupper ${n%s})_LIST
1998     eval enable \$$v
1999     eval ${n}_if_any="\$$v"
2000 done
2001
2002 enable $ARCH_EXT_LIST $ALL_TESTS
2003
2004 die_unknown(){
2005     echo "Unknown option \"$1\"."
2006     echo "See $0 --help for available options."
2007     exit 1
2008 }
2009
2010 show_list() {
2011     suffix=_$1
2012     shift
2013     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2014     exit 0
2015 }
2016
2017 for opt do
2018     optval="${opt#*=}"
2019     case "$opt" in
2020     --extra-ldflags=*) add_ldflags $optval
2021     ;;
2022     --extra-libs=*) add_extralibs $optval
2023     ;;
2024     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2025     ;;
2026     --enable-debug=*) debuglevel="$optval"
2027     ;;
2028     --disable-everything)
2029     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2030     ;;
2031     --enable-*=*|--disable-*=*)
2032     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2033     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2034     eval list=\$$(toupper $thing)_LIST
2035     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2036     $action $(filter "$name" $list)
2037     ;;
2038     --enable-?*|--disable-?*)
2039     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2040     if is_in $option $COMPONENT_LIST; then
2041         test $action = disable && action=unset
2042         eval $action \$$(toupper ${option%s})_LIST
2043     elif is_in $option $CMDLINE_SELECT; then
2044         $action $option
2045     else
2046         die_unknown $opt
2047     fi
2048     ;;
2049     --list-*)
2050         NAME="${opt#--list-}"
2051         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2052         NAME=${NAME%s}
2053         eval show_list $NAME \$$(toupper $NAME)_LIST
2054     ;;
2055     --help|-h) show_help
2056     ;;
2057     *)
2058     optname="${opt%%=*}"
2059     optname="${optname#--}"
2060     optname=$(echo "$optname" | sed 's/-/_/g')
2061     if is_in $optname $CMDLINE_SET; then
2062         eval $optname='$optval'
2063     elif is_in $optname $CMDLINE_APPEND; then
2064         append $optname "$optval"
2065     else
2066          die_unknown $opt
2067     fi
2068     ;;
2069     esac
2070 done
2071
2072 disabled logging && logfile=/dev/null
2073
2074 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2075 set >> $logfile
2076
2077 test -n "$cross_prefix" && enable cross_compile
2078
2079 if enabled cross_compile; then
2080     test -n "$arch" && test -n "$target_os" ||
2081         die "Must specify target arch and OS when cross-compiling"
2082 fi
2083
2084 set_default arch target_os postproc_version
2085
2086 # Check if we should build alternative libpostproc version instead of current
2087 if   test "$postproc_version" = $ALT_PP_VER; then
2088   LIBPOSTPROC_VERSION=$ALT_PP_VER
2089   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2090   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2091   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2092 elif test "$postproc_version" != current; then
2093   die "Invalid argument to --postproc-version. See --help output."
2094 fi
2095
2096 ar_default="${cross_prefix}${ar_default}"
2097 cc_default="${cross_prefix}${cc_default}"
2098 cxx_default="${cross_prefix}${cxx_default}"
2099 nm_default="${cross_prefix}${nm_default}"
2100 pkg_config_default="${cross_prefix}${pkg_config_default}"
2101 ranlib="${cross_prefix}${ranlib}"
2102 strip_default="${cross_prefix}${strip_default}"
2103
2104 sysinclude_default="${sysroot}/usr/include"
2105
2106 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2107 enabled cross_compile || host_cc_default=$cc
2108 set_default host_cc
2109
2110 if ! $pkg_config --version >/dev/null 2>&1; then
2111     warn "$pkg_config not found, library detection may fail."
2112     pkg_config=false
2113 fi
2114
2115 exesuf() {
2116     case $1 in
2117         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2118     esac
2119 }
2120
2121 EXESUF=$(exesuf $target_os)
2122 HOSTEXESUF=$(exesuf $host_os)
2123
2124 # set temporary file name
2125 : ${TMPDIR:=$TEMPDIR}
2126 : ${TMPDIR:=$TMP}
2127 : ${TMPDIR:=/tmp}
2128
2129 if ! check_cmd mktemp -u XXXXXX; then
2130     # simple replacement for missing mktemp
2131     # NOT SAFE FOR GENERAL USE
2132     mktemp(){
2133         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2134     }
2135 fi
2136
2137 tmpfile(){
2138     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2139         (set -C; exec > $tmp) 2>/dev/null ||
2140         die "Unable to create temporary file in $TMPDIR."
2141     append TMPFILES $tmp
2142     eval $1=$tmp
2143 }
2144
2145 trap 'rm -f -- $TMPFILES' EXIT
2146
2147 tmpfile TMPASM .asm
2148 tmpfile TMPC   .c
2149 tmpfile TMPCPP .cpp
2150 tmpfile TMPE   $EXESUF
2151 tmpfile TMPH   .h
2152 tmpfile TMPO   .o
2153 tmpfile TMPS   .S
2154 tmpfile TMPSH  .sh
2155 tmpfile TMPV   .ver
2156
2157 unset -f mktemp
2158
2159 chmod +x $TMPE
2160
2161 # make sure we can execute files in $TMPDIR
2162 cat > $TMPSH 2>> $logfile <<EOF
2163 #! /bin/sh
2164 EOF
2165 chmod +x $TMPSH >> $logfile 2>&1
2166 if ! $TMPSH >> $logfile 2>&1; then
2167     cat <<EOF
2168 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2169 variable to another directory and make sure that it is not mounted noexec.
2170 EOF
2171     die "Sanity test failed."
2172 fi
2173
2174 filter_asflags=echo
2175 filter_cflags=echo
2176 filter_cppflags=echo
2177
2178 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2179     cc_type=llvm_gcc
2180     cc_version=__VERSION__
2181     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2182     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2183     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2184     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2185     speed_cflags='-O3'
2186     size_cflags='-Os'
2187 elif $cc -v 2>&1 | grep -qi ^gcc; then
2188     cc_type=gcc
2189     cc_version=__VERSION__
2190     gcc_version=$($cc --version | head -n1)
2191     gcc_basever=$($cc -dumpversion)
2192     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2193     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2194     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2195     if ! $cc -dumpversion | grep -q '^2\.'; then
2196         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2197         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2198     fi
2199     speed_cflags='-O3'
2200     size_cflags='-Os'
2201 elif $cc --version 2>/dev/null | grep -q Intel; then
2202     cc_type=icc
2203     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2204     cc_ident=$($cc --version | head -n1)
2205     icc_version=$($cc -dumpversion)
2206     CC_DEPFLAGS='-MMD'
2207     AS_DEPFLAGS='-MMD'
2208     speed_cflags='-O3'
2209     size_cflags='-Os'
2210     noopt_cflags='-O1'
2211 elif $cc -v 2>&1 | grep -q xlc; then
2212     cc_type=xlc
2213     cc_version="AV_STRINGIFY(__IBMC__)"
2214     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2215     speed_cflags='-O5'
2216     size_cflags='-O5 -qcompact'
2217 elif $cc -V 2>/dev/null | grep -q Compaq; then
2218     cc_type=ccc
2219     cc_version="AV_STRINGIFY(__DECC_VER)"
2220     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2221     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2222     debuglevel=3
2223     add_ldflags -Wl,-z,now # calls to libots crash without this
2224     speed_cflags='-fast'
2225     size_cflags='-O1'
2226 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2227     test -d "$sysroot" || die "No valid sysroot specified."
2228     cc_type=armcc
2229     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2230     cc_ident=$($cc --vsn | head -n1)
2231     armcc_conf="$PWD/armcc.conf"
2232     $cc --arm_linux_configure                 \
2233         --arm_linux_config_file="$armcc_conf" \
2234         --configure_sysroot="$sysroot"        \
2235         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2236         die "Error creating armcc configuration file."
2237     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2238     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2239     as_default="${cross_prefix}gcc"
2240     CC_DEPFLAGS='-MMD'
2241     AS_DEPFLAGS='-MMD'
2242     speed_cflags='-O3'
2243     size_cflags='-Os'
2244     filter_asflags="filter_out -W${armcc_opt}*"
2245 elif $cc -version 2>/dev/null | grep -q TMS470; then
2246     cc_type=tms470
2247     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2248     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2249     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2250     CC_O='-fr=$(@D)'
2251     as_default="${cross_prefix}gcc"
2252     ld_default="${cross_prefix}gcc"
2253     TMPO=$(basename $TMPC .c).o
2254     append TMPFILES $TMPO
2255     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2256     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2257     AS_DEPFLAGS='-MMD'
2258     speed_cflags='-O3 -mf=5'
2259     size_cflags='-O3 -mf=2'
2260     filter_cflags=tms470_flags
2261     tms470_flags(){
2262         for flag; do
2263             case $flag in
2264                 -march=*|-mcpu=*)
2265                     case "${flag#*=}" in
2266                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2267                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2268                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2269                         armv6*|arm11*)          echo -mv=6   ;;
2270                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2271                                                 echo -mv=5e  ;;
2272                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2273                     esac
2274                     ;;
2275                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2276                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2277                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2278                 -msoft-float)   echo --float_support=vfplib       ;;
2279                 -O[0-3]|-mf=*)  echo $flag                        ;;
2280                 -g)             echo -g -mn                       ;;
2281                 -pds=*)         echo $flag                        ;;
2282             esac
2283         done
2284     }
2285 elif $cc -v 2>&1 | grep -q clang; then
2286     cc_type=clang
2287     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2288         cc_version=__clang_version__ || cc_version=__VERSION__
2289     cc_ident=$($cc --version | head -n1)
2290     CC_DEPFLAGS='-MMD'
2291     AS_DEPFLAGS='-MMD'
2292     speed_cflags='-O3'
2293     size_cflags='-Os'
2294 elif $cc -V 2>&1 | grep -q Sun; then
2295     cc_type=suncc
2296     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2297     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2298     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2299     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2300     add_ldflags -xc99
2301     speed_cflags='-O5'
2302     size_cflags='-O5 -xspace'
2303     filter_cflags=suncc_flags
2304     suncc_flags(){
2305         for flag; do
2306             case $flag in
2307                 -march=*|-mcpu=*)
2308                     case "${flag#*=}" in
2309                         native)                   echo -xtarget=native       ;;
2310                         v9|niagara)               echo -xarch=sparc          ;;
2311                         ultrasparc)               echo -xarch=sparcvis       ;;
2312                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2313                         i586|pentium)             echo -xchip=pentium        ;;
2314                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2315                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2316                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2317                         pentium4*)          echo -xtarget=pentium4           ;;
2318                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2319                         *-sse3)             echo -xarch=sse3                 ;;
2320                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2321                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2322                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2323                         k8|opteron|athlon64|athlon-fx)
2324                                                   echo -xarch=sse2a          ;;
2325                         athlon*)                  echo -xarch=pentium_proa   ;;
2326                     esac
2327                     ;;
2328                 -std=c99)             echo -xc99              ;;
2329                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2330                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2331                 -W*,*)                echo $flag              ;;
2332                 -f*-*|-W*)                                    ;;
2333                 *)                    echo $flag              ;;
2334             esac
2335         done
2336     }
2337 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2338     cc_type=pathscale
2339     cc_version=__PATHSCALE__
2340     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2341     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2342     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2343     speed_cflags='-O2'
2344     size_cflags='-Os'
2345     filter_cflags='filter_out -Wdisabled-optimization'
2346 elif $cc -v 2>&1 | grep -q Open64; then
2347     cc_type=open64
2348     cc_version=__OPEN64__
2349     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2350     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2351     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2352     speed_cflags='-O2'
2353     size_cflags='-Os'
2354     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2355 elif $cc -V 2>&1 | grep -q Portland; then
2356     cc_type=pgi
2357     cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2358     cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2359     opt_common='-alias=ansi -Mlre -Mpre'
2360     speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2361     size_cflags="-O2 -Munroll=c:1 $opt_common"
2362     noopt_cflags="-O1"
2363     filter_cflags=pgi_flags
2364     pgi_flags(){
2365         for flag; do
2366             case $flag in
2367                 -fomit-frame-pointer) echo -Mnoframe ;;
2368                 -g)                   echo -gopt ;;
2369                 *)                    echo $flag ;;
2370             esac
2371         done
2372     }
2373 fi
2374
2375 test -n "$cc_type" && enable $cc_type ||
2376     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2377
2378 : ${as_default:=$cc}
2379 : ${dep_cc_default:=$cc}
2380 : ${ld_default:=$cc}
2381 set_default ar as dep_cc ld
2382
2383 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2384 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2385 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2386
2387 add_cflags $extra_cflags
2388 add_cxxflags $extra_cxxflags
2389 add_asflags $extra_cflags
2390
2391 if test -n "$sysroot"; then
2392     case "$cc_type" in
2393         gcc|llvm_gcc|clang)
2394             add_cppflags --sysroot="$sysroot"
2395             add_ldflags --sysroot="$sysroot"
2396         ;;
2397         tms470)
2398             add_cppflags -I"$sysinclude"
2399             add_ldflags  --sysroot="$sysroot"
2400         ;;
2401     esac
2402 fi
2403
2404 if test "$cpu" = host; then
2405     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2406
2407     case "$cc_type" in
2408         gcc|llvm_gcc)
2409             check_native(){
2410                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2411                 sed -n "/cc1.*$1=/{
2412                             s/.*$1=\\([^ ]*\\).*/\\1/
2413                             p
2414                             q
2415                         }" $TMPE
2416             }
2417             cpu=$(check_native -march || check_native -mcpu)
2418         ;;
2419     esac
2420
2421     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2422 fi
2423
2424 # Deal with common $arch aliases
2425 case "$arch" in
2426     arm*|iPad*)
2427         arch="arm"
2428     ;;
2429     mips|mipsel|IP*)
2430         arch="mips"
2431     ;;
2432     mips64*)
2433         arch="mips"
2434         subarch="mips64"
2435     ;;
2436     parisc|hppa)
2437         arch="parisc"
2438     ;;
2439     parisc64|hppa64)
2440         arch="parisc"
2441         subarch="parisc64"
2442     ;;
2443     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2444         arch="ppc"
2445     ;;
2446     s390|s390x)
2447         arch="s390"
2448     ;;
2449     sh4|sh)
2450         arch="sh4"
2451     ;;
2452     sun4u|sparc64)
2453         arch="sparc"
2454         subarch="sparc64"
2455     ;;
2456     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2457         arch="x86"
2458     ;;
2459 esac
2460
2461 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2462 enable $arch
2463
2464 # Add processor-specific flags
2465 if test "$cpu" = generic; then
2466     : do nothing
2467 elif enabled ppc; then
2468
2469     case $(tolower $cpu) in
2470         601|ppc601|powerpc601)
2471             cpuflags="-mcpu=601"
2472             disable altivec
2473         ;;
2474         603*|ppc603*|powerpc603*)
2475             cpuflags="-mcpu=603"
2476             disable altivec
2477         ;;
2478         604*|ppc604*|powerpc604*)
2479             cpuflags="-mcpu=604"
2480             disable altivec
2481         ;;
2482         g3|75*|ppc75*|powerpc75*)
2483             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2484             disable altivec
2485         ;;
2486         g4|745*|ppc745*|powerpc745*)
2487             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2488         ;;
2489         74*|ppc74*|powerpc74*)
2490             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2491         ;;
2492         g5|970|ppc970|powerpc970)
2493             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2494         ;;
2495         power[3-7]*)
2496             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2497         ;;
2498         cell)
2499             cpuflags="-mcpu=cell"
2500             enable ldbrx
2501         ;;
2502         e500v2)
2503             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2504             disable altivec
2505         ;;
2506         e500)
2507             cpuflags="-mcpu=8540 -mhard-float"
2508             disable altivec
2509         ;;
2510     esac
2511
2512 elif enabled x86; then
2513
2514     case $cpu in
2515         i[345]86|pentium)
2516             cpuflags="-march=$cpu"
2517             disable mmx
2518         ;;
2519         # targets that do NOT support conditional mov (cmov)
2520         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2521             cpuflags="-march=$cpu"
2522             disable cmov
2523         ;;
2524         # targets that do support conditional mov (cmov)
2525         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2526             cpuflags="-march=$cpu"
2527             enable cmov
2528             enable fast_cmov
2529         ;;
2530         # targets that do support conditional mov but on which it's slow
2531         pentium4|pentium4m|prescott|nocona)
2532             cpuflags="-march=$cpu"
2533             enable cmov
2534             disable fast_cmov
2535         ;;
2536     esac
2537
2538 elif enabled sparc; then
2539
2540     case $cpu in
2541         niagara)
2542             cpuflags="-mcpu=$cpu"
2543             disable vis
2544         ;;
2545         sparc64)
2546             cpuflags="-mcpu=v9"
2547         ;;
2548     esac
2549
2550 elif enabled arm; then
2551
2552     case $cpu in
2553         armv*)
2554             cpuflags="-march=$cpu"
2555             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2556         ;;
2557         *)
2558             cpuflags="-mcpu=$cpu"
2559             case $cpu in
2560                 cortex-a*)                               subarch=armv7a  ;;
2561                 cortex-r*)                               subarch=armv7r  ;;
2562                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2563                 arm11*)                                  subarch=armv6   ;;
2564                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2565                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2566             esac
2567         ;;
2568     esac
2569
2570 elif enabled alpha; then
2571
2572     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2573
2574 elif enabled bfin; then
2575
2576     cpuflags="-mcpu=$cpu"
2577
2578 elif enabled mips; then
2579
2580     cpuflags="-march=$cpu"
2581
2582 elif enabled avr32; then
2583
2584     case $cpu in
2585         ap7[02]0[0-2])
2586             subarch="avr32_ap"
2587             cpuflags="-mpart=$cpu"
2588         ;;
2589         ap)
2590             subarch="avr32_ap"
2591             cpuflags="-march=$cpu"
2592         ;;
2593         uc3[ab]*)
2594             subarch="avr32_uc"
2595             cpuflags="-mcpu=$cpu"
2596         ;;
2597         uc)
2598             subarch="avr32_uc"
2599             cpuflags="-march=$cpu"
2600         ;;
2601     esac
2602
2603 fi
2604
2605 add_cflags $cpuflags
2606 add_asflags $cpuflags
2607
2608 # compiler sanity check
2609 check_exec <<EOF
2610 int main(void){ return 0; }
2611 EOF
2612 if test "$?" != 0; then
2613     echo "$cc is unable to create an executable file."
2614     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2615         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2616         echo "Only do this if you know what cross compiling means."
2617     fi
2618     die "C compiler test failed."
2619 fi
2620
2621 add_cppflags -D_ISOC99_SOURCE
2622 add_cxxflags -D__STDC_CONSTANT_MACROS
2623 check_cflags -std=c99
2624 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2625 #include <stdlib.h>
2626 EOF
2627 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2628 #include <stdlib.h>
2629 EOF
2630
2631 check_host_cflags -std=c99
2632 check_host_cflags -Wall
2633
2634 case "$arch" in
2635     alpha|ia64|mips|parisc|sparc)
2636         spic=$shared
2637     ;;
2638     x86)
2639         subarch="x86_32"
2640         check_cc <<EOF && subarch="x86_64"
2641         int test[(int)sizeof(char*) - 7];
2642 EOF
2643         if test "$subarch" = "x86_64"; then
2644             spic=$shared
2645         fi
2646     ;;
2647     ppc)
2648         check_cc <<EOF && subarch="ppc64"
2649         int test[(int)sizeof(char*) - 7];
2650 EOF
2651     ;;
2652 esac
2653
2654 enable $subarch
2655 enabled spic && enable pic
2656
2657 # OS specific
2658 case $target_os in
2659     haiku)
2660         prefix_default="/boot/common"
2661         network_extralibs="-lnetwork"
2662         host_libs=
2663         ;;
2664     sunos)
2665         FFSERVERLDFLAGS=""
2666         SHFLAGS='-shared -Wl,-h,$$(@F)'
2667         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2668         network_extralibs="-lsocket -lnsl"
2669         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2670         # When using suncc to build, the Solaris linker will mark
2671         # an executable with each instruction set encountered by
2672         # the Solaris assembler.  As our libraries contain their own
2673         # guards for processor-specific code, instead suppress
2674         # generation of the HWCAPS ELF section on Solaris x86 only.
2675         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2676         nm_opts='-P -g'
2677         ;;
2678     netbsd)
2679         disable symver
2680         oss_indev_extralibs="-lossaudio"
2681         oss_outdev_extralibs="-lossaudio"
2682         ;;
2683     openbsd)
2684         # On OpenBSD 4.5. the compiler does not use PIC unless
2685         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2686         # however the generated executable will not do anything
2687         # (simply quits with exit-code 1, no crash, no output).
2688         # Thus explicitly enable PIC here.
2689         enable pic
2690         disable symver
2691         SHFLAGS='-shared'
2692         oss_indev_extralibs="-lossaudio"
2693         oss_outdev_extralibs="-lossaudio"
2694         ;;
2695     dragonfly)
2696         disable symver
2697         ;;
2698     freebsd)
2699         ;;
2700     bsd/os)
2701         add_extralibs -lpoll -lgnugetopt
2702         strip="strip -d"
2703         ;;
2704     darwin)
2705         gas="gas-preprocessor.pl $cc"
2706         enabled ppc && add_asflags -force_cpusubtype_ALL
2707         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2708         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2709         strip="${strip} -x"
2710         add_ldflags -Wl,-dynamic,-search_paths_first
2711         SLIBSUF=".dylib"
2712         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2713         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2714         FFSERVERLDFLAGS=-Wl,-bind_at_load
2715         objformat="macho"
2716         enabled x86_64 && objformat="macho64"
2717         enabled_any pic shared ||
2718             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2719         ;;
2720     mingw32*)
2721         if test $target_os = "mingw32ce"; then
2722             disable network
2723         else
2724             target_os=mingw32
2725         fi
2726         LIBTARGET=i386
2727         if enabled x86_64; then
2728             LIBTARGET=x64
2729         elif enabled arm; then
2730             LIBTARGET=arm-wince
2731         fi
2732         shlibdir_default="$bindir_default"
2733         SLIBPREF=""
2734         SLIBSUF=".dll"
2735         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2736         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2737         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2738         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2739         SLIB_INSTALL_LINKS=
2740         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2741         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2742         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'
2743         objformat="win32"
2744         enable dos_paths
2745         check_cflags -fno-common
2746         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2747                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2748                 die "ERROR: MinGW runtime version must be >= 3.15."
2749         add_cppflags -U__STRICT_ANSI__
2750         ;;
2751     cygwin*)
2752         target_os=cygwin
2753         shlibdir_default="$bindir_default"
2754         SLIBPREF="cyg"
2755         SLIBSUF=".dll"
2756         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2757         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2758         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2759         objformat="win32"
2760         enable dos_paths
2761         check_cflags -fno-common
2762         add_cppflags -U__STRICT_ANSI__
2763         ;;
2764     *-dos|freedos|opendos)
2765         network_extralibs="-lsocket"
2766         objformat="coff"
2767         enable dos_paths
2768         add_cppflags -U__STRICT_ANSI__
2769         ;;
2770     linux)
2771         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2772         enable dv1394
2773         ;;
2774     irix*)
2775         target_os=irix
2776         ranlib="echo ignoring ranlib"
2777         ;;
2778     os/2*)
2779         strip="lxlite -CS"
2780         ln_s="cp -f"
2781         objformat="aout"
2782         add_cppflags -D_GNU_SOURCE
2783         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2784         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2785         FFSERVERLDFLAGS=""
2786         LIBSUF="_s.a"
2787         SLIBPREF=""
2788         SLIBSUF=".dll"
2789         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2790         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2791         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2792           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2793           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2794           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2795           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2796           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2797         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2798           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2799         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2800         enable dos_paths
2801         enable_weak os2threads
2802         ;;
2803     gnu/kfreebsd)
2804         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2805         ;;
2806     gnu)
2807         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2808         ;;
2809     qnx)
2810         add_cppflags -D_QNX_SOURCE
2811         network_extralibs="-lsocket"
2812         ;;
2813     symbian)
2814         SLIBSUF=".dll"
2815         enable dos_paths
2816         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2817         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2818         add_ldflags -Wl,--target1-abs,--no-undefined \
2819                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2820                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2821         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2822                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2823                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2824         ;;
2825     none)
2826         ;;
2827     *)
2828         die "Unknown OS '$target_os'."
2829         ;;
2830 esac
2831
2832 esc(){
2833     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2834 }
2835
2836 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
2837
2838 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2839
2840 set_default $PATHS_LIST
2841
2842 # we need to build at least one lib type
2843 if ! enabled_any static shared; then
2844     cat <<EOF
2845 At least one library type must be built.
2846 Specify --enable-static to build the static libraries or --enable-shared to
2847 build the shared libraries as well. To only build the shared libraries specify
2848 --disable-static in addition to --enable-shared.
2849 EOF
2850     exit 1;
2851 fi
2852
2853 die_license_disabled() {
2854     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2855 }
2856
2857 die_license_disabled_gpl() {
2858     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
2859 }
2860
2861 die_license_disabled gpl libcdio
2862 die_license_disabled gpl libutvideo
2863 die_license_disabled gpl libx264
2864 die_license_disabled gpl libxavs
2865 die_license_disabled gpl libxvid
2866 die_license_disabled gpl x11grab
2867
2868 die_license_disabled nonfree libaacplus
2869 die_license_disabled nonfree libfaac
2870 enabled gpl && die_license_disabled_gpl nonfree openssl
2871
2872 die_license_disabled version3 libopencore_amrnb
2873 die_license_disabled version3 libopencore_amrwb
2874 die_license_disabled version3 libvo_aacenc
2875 die_license_disabled version3 libvo_amrwbenc
2876
2877 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2878
2879 disabled optimizations || check_cflags -fomit-frame-pointer
2880
2881 enable_pic() {
2882     enable pic
2883     add_cppflags -DPIC
2884     add_cflags   -fPIC
2885     add_asflags  -fPIC
2886 }
2887
2888 enabled pic && enable_pic
2889
2890 check_cc <<EOF || die "Symbol mangling check failed."
2891 int ff_extern;
2892 EOF
2893 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2894 extern_prefix=${sym%%ff_extern*}
2895
2896 check_cc <<EOF && enable inline_asm
2897 void foo(void) { __asm__ volatile ("" ::); }
2898 EOF
2899
2900 _restrict=
2901 for restrict_keyword in restrict __restrict__ __restrict; do
2902     check_cc <<EOF && _restrict=$restrict_keyword && break
2903 void foo(char * $restrict_keyword p);
2904 EOF
2905 done
2906
2907 check_cc <<EOF && enable attribute_packed
2908 struct { int x; } __attribute__((packed)) x;
2909 EOF
2910
2911 check_cc <<EOF && enable attribute_may_alias
2912 union { int x; } __attribute__((may_alias)) x;
2913 EOF
2914
2915 check_cc <<EOF || die "endian test failed"
2916 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2917 EOF
2918 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2919
2920 if enabled alpha; then
2921
2922     check_cflags -mieee
2923
2924 elif enabled arm; then
2925
2926     enabled thumb && check_cflags -mthumb || check_cflags -marm
2927     nogas=die
2928
2929     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2930         enable vfp_args
2931     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2932         case "${cross_prefix:-$cc}" in
2933             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2934             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2935 __asm__ (".eabi_attribute 28, 1");
2936 int main(void) { return 0; }
2937 EOF
2938         esac
2939         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2940     fi
2941
2942     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2943     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2944     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2945     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2946     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2947     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2948
2949     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2950
2951     enabled_all armv6t2 shared !pic && enable_pic
2952
2953 elif enabled mips; then
2954
2955     check_asm loongson '"dmult.g $1, $2, $3"'
2956     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2957
2958 elif enabled ppc; then
2959
2960     enable local_aligned_8 local_aligned_16
2961
2962     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2963     check_asm ibm_asm   '"add 0, 0, 0"'
2964     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2965     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2966
2967     # AltiVec flags: The FSF version of GCC differs from the Apple version
2968     if enabled altivec; then
2969         nogas=warn
2970         check_cflags -maltivec -mabi=altivec &&
2971         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2972         check_cflags -faltivec
2973
2974         # check if our compiler supports Motorola AltiVec C API
2975         check_cc <<EOF || disable altivec
2976 $inc_altivec_h
2977 int main(void) {
2978     vector signed int v1, v2, v3;
2979     v1 = vec_add(v2,v3);
2980     return 0;
2981 }
2982 EOF
2983
2984         # check if our compiler supports braces for vector declarations
2985         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2986 $inc_altivec_h
2987 int main (void) { (vector int) {1}; return 0; }
2988 EOF
2989     fi
2990
2991 elif enabled sparc; then
2992
2993     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2994         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2995
2996 elif enabled x86; then
2997
2998     enable local_aligned_8 local_aligned_16
2999
3000     # check whether EBP is available on x86
3001     # As 'i' is stored on the stack, this program will crash
3002     # if the base pointer is used to access it because the
3003     # base pointer is cleared in the inline assembly code.
3004     check_exec_crash <<EOF && enable ebp_available
3005     volatile int i=0;
3006     __asm__ volatile (
3007         "xorl %%ebp, %%ebp"
3008     ::: "%ebp");
3009     return i;
3010 EOF
3011
3012     # check whether EBX is available on x86
3013     check_asm ebx_available '""::"b"(0)' &&
3014         check_asm ebx_available '"":::"%ebx"'
3015
3016     # check whether xmm clobbers are supported
3017     check_asm xmm_clobbers '"":::"%xmm0"'
3018
3019     # check whether binutils is new enough to compile SSSE3/MMX2
3020     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
3021     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
3022
3023     if ! disabled_any asm mmx yasm; then
3024         if check_cmd $yasmexe --version; then
3025             enabled x86_64 && yasm_extra="-m amd64"
3026             yasm_debug="-g dwarf2"
3027         elif check_cmd nasm -v; then
3028             yasmexe=nasm
3029             yasm_debug="-g -F dwarf"
3030             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3031         fi
3032
3033         YASMFLAGS="-f $objformat $yasm_extra"
3034         enabled pic               && append YASMFLAGS "-DPIC"
3035         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3036         case "$objformat" in
3037             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3038         esac
3039
3040         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3041             die "yasm not found, use --disable-yasm for a crippled build"
3042         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3043     fi
3044
3045     case "$cpu" in
3046         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3047             disable fast_clz
3048         ;;
3049     esac
3050
3051 fi
3052
3053 if enabled asm; then
3054     as=${gas:=$as}
3055     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3056         $nogas "GNU assembler not found, install gas-preprocessor"
3057 fi
3058
3059 check_ldflags -Wl,--as-needed
3060
3061 if check_func dlopen; then
3062     ldl=
3063 elif check_func dlopen -ldl; then
3064     ldl=-ldl
3065 fi
3066
3067 if enabled network; then
3068     check_type "sys/types.h sys/socket.h" socklen_t
3069     check_type netdb.h "struct addrinfo"
3070     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3071     check_type netinet/in.h "struct sockaddr_in6"
3072     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3073     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3074     check_type netinet/sctp.h "struct sctp_event_subscribe"
3075     # Prefer arpa/inet.h over winsock2
3076     if check_header arpa/inet.h ; then
3077         check_func closesocket
3078     elif check_header winsock2.h ; then
3079         check_func_headers winsock2.h closesocket -lws2 && \
3080             network_extralibs="-lws2" || \
3081         { check_func_headers winsock2.h closesocket -lws2_32 && \
3082             network_extralibs="-lws2_32"; }
3083         check_type ws2tcpip.h socklen_t
3084         check_type ws2tcpip.h "struct addrinfo"
3085         check_type ws2tcpip.h "struct ipv6_mreq"
3086         check_type ws2tcpip.h "struct sockaddr_in6"
3087         check_type ws2tcpip.h "struct sockaddr_storage"
3088         check_struct winsock2.h "struct sockaddr" sa_len
3089     else
3090         disable network
3091     fi
3092 fi
3093
3094 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3095 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3096
3097 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3098 check_func  fcntl
3099 check_func  fork
3100 check_func  getaddrinfo $network_extralibs
3101 check_func  gethrtime
3102 check_func  getrusage
3103 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3104 check_func  inet_aton $network_extralibs
3105 check_func  isatty
3106 check_func  localtime_r
3107 check_func  ${malloc_prefix}memalign            && enable memalign
3108 check_func  mkstemp
3109 check_func  mmap
3110 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3111 check_func  setrlimit
3112 check_func  strerror_r
3113 check_func  strptime
3114 check_func  sched_getaffinity
3115 check_func  sysconf
3116 check_func  sysctl
3117 check_func_headers conio.h kbhit
3118 check_func_headers windows.h PeekNamedPipe
3119 check_func_headers io.h setmode
3120 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3121 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3122 check_func_headers windows.h GetProcessAffinityMask
3123 check_func_headers windows.h GetProcessTimes
3124 check_func_headers windows.h MapViewOfFile
3125 check_func_headers windows.h VirtualAlloc
3126 check_func_headers glob.h glob
3127
3128 check_header dlfcn.h
3129 check_header dxva.h
3130 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3131 check_header libcrystalhd/libcrystalhd_if.h
3132 check_header malloc.h
3133 check_header poll.h
3134 check_header sys/mman.h
3135 check_header sys/param.h
3136 check_header sys/resource.h
3137 check_header sys/select.h
3138 check_header termios.h
3139 check_header vdpau/vdpau.h
3140 check_header vdpau/vdpau_x11.h
3141 check_header X11/extensions/XvMClib.h
3142 check_header asm/types.h
3143
3144 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3145 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3146
3147 # check for VDA header
3148 if ! disabled vda; then
3149     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3150         enable vda
3151         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3152     fi
3153 fi
3154
3155 if ! disabled w32threads && ! enabled pthreads; then
3156     check_func _beginthreadex && enable w32threads
3157 fi
3158
3159 # check for some common methods of building with pthread support
3160 # do this before the optional library checks as some of them require pthreads
3161 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3162     enable pthreads
3163     if check_func pthread_create; then
3164         :
3165     elif check_func pthread_create -pthread; then
3166         add_cflags -pthread
3167         add_extralibs -pthread
3168     elif check_func pthread_create -pthreads; then
3169         add_cflags -pthreads
3170         add_extralibs -pthreads
3171     elif check_func pthread_create -lpthreadGC2; then
3172         add_extralibs -lpthreadGC2
3173     elif ! check_lib pthread.h pthread_create -lpthread; then
3174         disable pthreads
3175     fi
3176 fi
3177
3178 for thread in $THREADS_LIST; do
3179     if enabled $thread; then
3180         test -n "$thread_type" &&
3181             die "ERROR: Only one thread type must be selected." ||
3182             thread_type="$thread"
3183     fi
3184 done
3185
3186 if enabled pthreads; then
3187   check_func pthread_cancel
3188 fi
3189
3190 check_lib math.h sin -lm && LIBM="-lm"
3191 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3192 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3193
3194 check_mathfunc cbrtf
3195 check_mathfunc exp2
3196 check_mathfunc exp2f
3197 check_mathfunc llrint
3198 check_mathfunc llrintf
3199 check_mathfunc log2
3200 check_mathfunc log2f
3201 check_mathfunc lrint
3202 check_mathfunc lrintf
3203 check_mathfunc round
3204 check_mathfunc roundf
3205 check_mathfunc trunc
3206 check_mathfunc truncf
3207
3208 # these are off by default, so fail if requested and not available
3209 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3210 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3211 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3212 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3213 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3214 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3215 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3216 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3217                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3218                         die "ERROR: libcelt version must be >= 0.11.0."; }
3219 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3220 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3221 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3222 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3223 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3224 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3225 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3226 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3227 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3228 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3229 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3230 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3231 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3232 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3233 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3234     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3235     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3236 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3237 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3238 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3239 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3240 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3241 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3242 enabled libvpx     && {
3243     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3244                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3245     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3246                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3247 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3248                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3249                         die "ERROR: libx264 version must be >= 0.118."; }
3250 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3251 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3252 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3253                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3254                         die "ERROR: openal not found"; } &&
3255                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3256                         die "ERROR: openal version must be 1.1 or compatible"; }
3257 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3258                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3259                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3260                         die "ERROR: openssl not found"; }
3261
3262 # libdc1394 check
3263 if enabled libdc1394; then
3264     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3265         enable libdc1394_2; } ||
3266     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3267         enable libdc1394_1; } ||
3268     die "ERROR: No version of libdc1394 found "
3269 fi
3270
3271 SDL_CONFIG="${cross_prefix}sdl-config"
3272 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3273     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3274     enable sdl &&
3275     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3276 else
3277   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3278     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3279     sdl_libs=$("${SDL_CONFIG}" --libs)
3280     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3281     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3282     enable sdl &&
3283     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3284   fi
3285 fi
3286 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3287
3288 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3289 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3290
3291 check_header linux/fb.h
3292 check_header linux/videodev.h
3293 check_header linux/videodev2.h
3294 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3295
3296 check_header sys/videoio.h
3297
3298 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3299 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3300 # w32api 3.12 had it defined wrong
3301 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3302
3303 check_type "dshow.h" IBaseFilter
3304
3305 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3306 { check_header dev/bktr/ioctl_meteor.h &&
3307   check_header dev/bktr/ioctl_bt848.h; } ||
3308 { check_header machine/ioctl_meteor.h &&
3309   check_header machine/ioctl_bt848.h; } ||
3310 { check_header dev/video/meteor/ioctl_meteor.h &&
3311   check_header dev/video/bktr/ioctl_bt848.h; } ||
3312 check_header dev/ic/bt8xx.h
3313
3314 check_header sndio.h
3315 if check_struct sys/soundcard.h audio_buf_info bytes; then
3316     enable_safe sys/soundcard.h
3317 else
3318     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3319     #include <sys/soundcard.h>
3320     audio_buf_info abc;
3321 EOF
3322 fi
3323 check_header soundcard.h
3324
3325 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3326
3327 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3328
3329 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3330
3331 enabled libcdio &&
3332     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3333
3334 enabled x11grab                                           &&
3335 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3336 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3337 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3338
3339 if ! disabled vaapi; then
3340     check_lib va/va.h vaInitialize -lva && {
3341         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3342         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3343     } || disable vaapi
3344 fi
3345
3346 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3347 check_cpp_condition \
3348     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3349     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3350       disable vdpau; }
3351 fi
3352
3353 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3354 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3355 test -n "$valgrind" && target_exec="$valgrind --error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3356
3357 # add some useful compiler flags if supported
3358 check_cflags -Wdeclaration-after-statement
3359 check_cflags -Wall
3360 check_cflags -Wno-parentheses
3361 check_cflags -Wno-switch
3362 check_cflags -Wno-format-zero-length
3363 check_cflags -Wdisabled-optimization
3364 check_cflags -Wpointer-arith
3365 check_cflags -Wredundant-decls
3366 check_cflags -Wno-pointer-sign
3367 check_cflags -Wwrite-strings
3368 check_cflags -Wtype-limits
3369 check_cflags -Wundef
3370 check_cflags -Wmissing-prototypes
3371 check_cflags -Wno-pointer-to-int-cast
3372 check_cflags -Wstrict-prototypes
3373 enabled extra_warnings && check_cflags -Winline
3374
3375 # add some linker flags
3376 check_ldflags -Wl,--warn-common
3377 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3378 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3379
3380 enabled xmm_clobber_test &&                             \
3381     check_ldflags -Wl,--wrap,avcodec_open2              \
3382                   -Wl,--wrap,avcodec_decode_audio4      \
3383                   -Wl,--wrap,avcodec_decode_video2      \
3384                   -Wl,--wrap,avcodec_decode_subtitle2   \
3385                   -Wl,--wrap,avcodec_encode_audio2      \
3386                   -Wl,--wrap,avcodec_encode_video       \
3387                   -Wl,--wrap,avcodec_encode_subtitle    \
3388                   -Wl,--wrap,sws_scale ||               \
3389     disable xmm_clobber_test
3390
3391 echo "X{};" > $TMPV
3392 if test_ldflags -Wl,--version-script,$TMPV; then
3393     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3394     check_cc <<EOF && enable symver_asm_label
3395 void ff_foo(void) __asm__ ("av_foo@VERSION");
3396 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3397 EOF
3398     check_cc <<EOF && enable symver_gnu_asm
3399 __asm__(".symver ff_foo,av_foo@VERSION");
3400 void ff_foo(void) {}
3401 EOF
3402 fi
3403
3404 if [ -n "$optflags" ]; then
3405     add_cflags $optflags
3406 elif enabled small; then
3407     add_cflags $size_cflags
3408 elif enabled optimizations; then
3409     add_cflags $speed_cflags
3410 else
3411     add_cflags $noopt_cflags
3412 fi
3413 check_cflags -fno-math-errno
3414 check_cflags -fno-signed-zeros
3415 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3416 int x;
3417 EOF
3418
3419
3420 if enabled icc; then
3421     # Just warnings, no remarks
3422     check_cflags -w1
3423     # -wd: Disable following warnings
3424     # 144, 167, 556: -Wno-pointer-sign
3425     # 1292: attribute "foo" ignored
3426     # 1419: external declaration in primary source file
3427     # 10006: ignoring unknown option -fno-signed-zeros
3428     # 10148: ignoring unknown option -Wno-parentheses
3429     # 10156: ignoring option '-W'; no argument required
3430     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3431     # 11030: Warning unknown option --as-needed
3432     # 10156: ignoring option '-export'; no argument required
3433     check_ldflags -wd10156,11030
3434     # Allow to compile with optimizations
3435     check_ldflags -march=$cpu
3436     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3437     enable ebp_available
3438     if enabled x86_32; then
3439         test ${icc_version%%.*} -ge 11 && \
3440             check_cflags -falign-stack=maintain-16-byte || \
3441             disable aligned_stack
3442     fi
3443 elif enabled ccc; then
3444     # disable some annoying warnings
3445     add_cflags -msg_disable cvtu32to64
3446     add_cflags -msg_disable embedcomment
3447     add_cflags -msg_disable needconstext
3448     add_cflags -msg_disable nomainieee
3449     add_cflags -msg_disable ptrmismatch1
3450     add_cflags -msg_disable unreachcode
3451 elif enabled gcc; then
3452     check_cflags -fno-tree-vectorize
3453     check_cflags -Werror=implicit-function-declaration
3454     check_cflags -Werror=missing-prototypes
3455 elif enabled llvm_gcc; then
3456     check_cflags -mllvm -stack-alignment=16
3457 elif enabled clang; then
3458     check_cflags -mllvm -stack-alignment=16
3459     check_cflags -Qunused-arguments
3460 elif enabled armcc; then
3461     # 2523: use of inline assembler is deprecated
3462     add_cflags -W${armcc_opt},--diag_suppress=2523
3463     add_cflags -W${armcc_opt},--diag_suppress=1207
3464     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3465     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3466     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3467     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3468 elif enabled tms470; then
3469     add_cflags -pds=824 -pds=837
3470 elif enabled pathscale; then
3471     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3472 fi
3473
3474 enabled_any $THREADS_LIST      && enable threads
3475
3476 check_deps $CONFIG_LIST       \
3477            $CONFIG_EXTRA      \
3478            $HAVE_LIST         \
3479            $ALL_COMPONENTS    \
3480            $ALL_TESTS         \
3481
3482 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3483
3484 if test $target_os = "haiku"; then
3485     disable memalign
3486     disable posix_memalign
3487 fi
3488
3489 ! enabled_any memalign posix_memalign &&
3490     enabled_any $need_memalign && enable memalign_hack
3491
3492 # add_dep lib dep
3493 # -> enable ${lib}_deps_${dep}
3494 # -> add $dep to ${lib}_deps only once
3495 add_dep() {
3496     lib=$1
3497     dep=$2
3498     enabled "${lib}_deps_${dep}" && return 0
3499     enable  "${lib}_deps_${dep}"
3500     prepend "${lib}_deps" $dep
3501 }
3502
3503 # merge deps lib components
3504 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3505 merge_deps() {
3506     lib=$1
3507     shift
3508     for comp in $*; do
3509         enabled $comp || continue
3510         eval "dep=\"\$${comp}_deps\""
3511         for d in $dep; do
3512             add_dep $lib $d
3513         done
3514     done
3515 }
3516
3517 merge_deps libavfilter $FILTER_LIST
3518
3519 echo "install prefix            $prefix"
3520 echo "source path               $source_path"
3521 echo "C compiler                $cc"
3522 echo "ARCH                      $arch ($cpu)"
3523 if test "$build_suffix" != ""; then
3524     echo "build suffix              $build_suffix"
3525 fi
3526 if test "$progs_suffix" != ""; then
3527     echo "progs suffix              $progs_suffix"
3528 fi
3529 if test "$extra_version" != ""; then
3530     echo "version string suffix     $extra_version"
3531 fi
3532 echo "big-endian                ${bigendian-no}"
3533 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3534 if enabled x86; then
3535     echo "${yasmexe}                      ${yasm-no}"
3536     echo "MMX enabled               ${mmx-no}"
3537     echo "MMX2 enabled              ${mmx2-no}"
3538     echo "3DNow! enabled            ${amd3dnow-no}"
3539     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3540     echo "SSE enabled               ${sse-no}"
3541     echo "SSSE3 enabled             ${ssse3-no}"
3542     echo "AVX enabled               ${avx-no}"
3543     echo "CMOV enabled              ${cmov-no}"
3544     echo "CMOV is fast              ${fast_cmov-no}"
3545     echo "EBX available             ${ebx_available-no}"
3546     echo "EBP available             ${ebp_available-no}"
3547 fi
3548 if enabled arm; then
3549     echo "ARMv5TE enabled           ${armv5te-no}"
3550     echo "ARMv6 enabled             ${armv6-no}"
3551     echo "ARMv6T2 enabled           ${armv6t2-no}"
3552     echo "ARM VFP enabled           ${armvfp-no}"
3553     echo "NEON enabled              ${neon-no}"
3554 fi
3555 if enabled mips; then
3556     echo "MMI enabled               ${mmi-no}"
3557 fi
3558 if enabled ppc; then
3559     echo "AltiVec enabled           ${altivec-no}"
3560     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3561     echo "dcbzl available           ${dcbzl-no}"
3562 fi
3563 if enabled sparc; then
3564     echo "VIS enabled               ${vis-no}"
3565 fi
3566 echo "debug symbols             ${debug-no}"
3567 echo "strip symbols             ${stripping-no}"
3568 echo "optimize for size         ${small-no}"
3569 echo "optimizations             ${optimizations-no}"
3570 echo "static                    ${static-no}"
3571 echo "shared                    ${shared-no}"
3572 echo "postprocessing support    ${postproc-no}"
3573 echo "new filter support        ${avfilter-no}"
3574 echo "network support           ${network-no}"
3575 echo "threading support         ${thread_type-no}"
3576 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3577 echo "SDL support               ${sdl-no}"
3578 echo "libdxva2 enabled          ${dxva2-no}"
3579 echo "libva enabled             ${vaapi-no}"
3580 echo "libvdpau enabled          ${vdpau-no}"
3581 echo "AVISynth enabled          ${avisynth-no}"
3582 echo "frei0r enabled            ${frei0r-no}"
3583 echo "gnutls enabled            ${gnutls-no}"
3584 echo "libaacplus enabled        ${libaacplus-no}"
3585 echo "libass enabled            ${libass-no}"
3586 echo "libcdio support           ${libcdio-no}"
3587 echo "libcelt enabled           ${libcelt-no}"
3588 echo "libdc1394 support         ${libdc1394-no}"
3589 echo "libfaac enabled           ${libfaac-no}"
3590 echo "libgsm enabled            ${libgsm-no}"
3591 echo "libmodplug enabled        ${libmodplug-no}"
3592 echo "libmp3lame enabled        ${libmp3lame-no}"
3593 echo "libnut enabled            ${libnut-no}"
3594 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3595 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3596 echo "libopencv support         ${libopencv-no}"
3597 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3598 echo "libpulse enabled          ${libpulse-no}"
3599 echo "librtmp enabled           ${librtmp-no}"
3600 echo "libschroedinger enabled   ${libschroedinger-no}"
3601 echo "libspeex enabled          ${libspeex-no}"
3602 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3603 echo "libtheora enabled         ${libtheora-no}"
3604 echo "libutvideo enabled        ${libutvideo-no}"
3605 echo "libv4l2 enabled           ${libv4l2-no}"
3606 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3607 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3608 echo "libvorbis enabled         ${libvorbis-no}"
3609 echo "libvpx enabled            ${libvpx-no}"
3610 echo "libx264 enabled           ${libx264-no}"
3611 echo "libxavs enabled           ${libxavs-no}"
3612 echo "libxvid enabled           ${libxvid-no}"
3613 echo "openal enabled            ${openal-no}"
3614 echo "openssl enabled           ${openssl-no}"
3615 echo "zlib enabled              ${zlib-no}"
3616 echo "bzlib enabled             ${bzlib-no}"
3617 echo
3618
3619 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3620     echo "Enabled ${type}s:"
3621     eval list=\$$(toupper $type)_LIST
3622     print_enabled '_*' $list | sort | pr -r -3 -t
3623     echo
3624 done
3625
3626 license="LGPL version 2.1 or later"
3627 if enabled nonfree; then
3628     license="nonfree and unredistributable"
3629 elif enabled gplv3; then
3630     license="GPL version 3 or later"
3631 elif enabled lgplv3; then
3632     license="LGPL version 3 or later"
3633 elif enabled gpl; then
3634     license="GPL version 2 or later"
3635 fi
3636
3637 echo "License: $license"
3638
3639 echo "Creating config.mak and config.h..."
3640
3641 test -e Makefile || $ln_s "$source_path/Makefile" .
3642
3643 enabled stripping || strip="echo skipping strip"
3644
3645 config_files="$TMPH config.mak"
3646
3647 cat > config.mak <<EOF
3648 # Automatically generated by configure - do not modify!
3649 ifndef FFMPEG_CONFIG_MAK
3650 FFMPEG_CONFIG_MAK=1
3651 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3652 prefix=$prefix
3653 LIBDIR=\$(DESTDIR)$libdir
3654 SHLIBDIR=\$(DESTDIR)$shlibdir
3655 INCDIR=\$(DESTDIR)$incdir
3656 BINDIR=\$(DESTDIR)$bindir
3657 DATADIR=\$(DESTDIR)$datadir
3658 MANDIR=\$(DESTDIR)$mandir
3659 SRC_PATH=$source_path
3660 ifndef MAIN_MAKEFILE
3661 SRC_PATH:=\$(SRC_PATH:.%=..%)
3662 endif
3663 CC_IDENT=$cc_ident
3664 ARCH=$arch
3665 CC=$cc
3666 CXX=$cxx
3667 AS=$as
3668 LD=$ld
3669 DEPCC=$dep_cc
3670 YASM=$yasmexe
3671 YASMDEP=$yasmexe
3672 AR=$ar
3673 RANLIB=$ranlib
3674 CP=cp -p
3675 LN_S=$ln_s
3676 STRIP=$strip
3677 CPPFLAGS=$CPPFLAGS
3678 CFLAGS=$CFLAGS
3679 CXXFLAGS=$CXXFLAGS
3680 ASFLAGS=$ASFLAGS
3681 AS_O=$CC_O
3682 CC_O=$CC_O
3683 CXX_O=$CXX_O
3684 LDFLAGS=$LDFLAGS
3685 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3686 SHFLAGS=$SHFLAGS
3687 YASMFLAGS=$YASMFLAGS
3688 BUILDSUF=$build_suffix
3689 PROGSSUF=$progs_suffix
3690 FULLNAME=$FULLNAME
3691 LIBPREF=$LIBPREF
3692 LIBSUF=$LIBSUF
3693 LIBNAME=$LIBNAME
3694 SLIBPREF=$SLIBPREF
3695 SLIBSUF=$SLIBSUF
3696 EXESUF=$EXESUF
3697 EXTRA_VERSION=$extra_version
3698 DEPFLAGS=$DEPFLAGS
3699 CCDEP=$CCDEP
3700 CXXDEP=$CXXDEP
3701 ASDEP=$ASDEP
3702 CC_DEPFLAGS=$CC_DEPFLAGS
3703 AS_DEPFLAGS=$AS_DEPFLAGS
3704 HOSTCC=$host_cc
3705 HOSTCFLAGS=$host_cflags
3706 HOSTEXESUF=$HOSTEXESUF
3707 HOSTLDFLAGS=$host_ldflags
3708 HOSTLIBS=$host_libs
3709 TARGET_EXEC=$target_exec
3710 TARGET_PATH=$target_path
3711 SDL_LIBS=$sdl_libs
3712 SDL_CFLAGS=$sdl_cflags
3713 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3714 EXTRALIBS=$extralibs
3715 INSTALL=$install
3716 LIBTARGET=${LIBTARGET}
3717 SLIBNAME=${SLIBNAME}
3718 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3719 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3720 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3721 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3722 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3723 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3724 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3725 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3726 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3727 NOREDZONE_FLAGS=$noredzone_flags
3728 EOF
3729
3730 get_version(){
3731     name=$1
3732     file=$source_path/$2
3733 # This condition will be removed when we stop supporting old libpostproc versions
3734 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3735     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3736     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3737 fi
3738     lcname=$(tolower $name)
3739     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3740     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3741 }
3742
3743 get_version LIBAVCODEC  libavcodec/version.h
3744 get_version LIBAVDEVICE libavdevice/avdevice.h
3745 get_version LIBAVFILTER libavfilter/version.h
3746 get_version LIBAVFORMAT libavformat/version.h
3747 get_version LIBAVRESAMPLE libavresample/version.h
3748 get_version LIBAVUTIL   libavutil/avutil.h
3749 get_version LIBPOSTPROC libpostproc/postprocess.h
3750 get_version LIBSWRESAMPLE libswresample/swresample.h
3751 get_version LIBSWSCALE  libswscale/swscale.h
3752
3753 cat > $TMPH <<EOF
3754 /* Automatically generated by configure - do not modify! */
3755 #ifndef FFMPEG_CONFIG_H
3756 #define FFMPEG_CONFIG_H
3757 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3758 #define FFMPEG_LICENSE "$(c_escape $license)"
3759 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3760 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3761 #define CC_TYPE "$cc_type"
3762 #define CC_VERSION $cc_version
3763 #define restrict $_restrict
3764 #define EXTERN_PREFIX "${extern_prefix}"
3765 #define EXTERN_ASM ${extern_prefix}
3766 #define SLIBSUF "$SLIBSUF"
3767 EOF
3768
3769 test -n "$assert_level" &&
3770     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
3771
3772 test -n "$malloc_prefix" &&
3773     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3774
3775 if enabled small || disabled optimizations; then
3776     echo "#undef  av_always_inline"  >> $TMPH
3777     if enabled small; then
3778         echo "#define av_always_inline inline"  >> $TMPH
3779     else
3780         echo "#define av_always_inline av_unused"  >> $TMPH
3781     fi
3782 fi
3783
3784 if enabled yasm; then
3785     append config_files $TMPASM
3786     printf '' >$TMPASM
3787 fi
3788
3789 print_config ARCH_   "$config_files" $ARCH_LIST
3790 print_config HAVE_   "$config_files" $HAVE_LIST
3791 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3792                                      $CONFIG_EXTRA      \
3793                                      $ALL_COMPONENTS    \
3794
3795 cat >>config.mak <<EOF
3796 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3797 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3798 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3799 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3800 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3801 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3802 EOF
3803
3804 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3805 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3806
3807 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3808 cp_if_changed $TMPH config.h
3809 touch .config
3810
3811 enabled yasm && cp_if_changed $TMPASM config.asm
3812
3813 cat > $TMPH <<EOF
3814 /* Generated by ffconf */
3815 #ifndef AVUTIL_AVCONFIG_H
3816 #define AVUTIL_AVCONFIG_H
3817 EOF
3818
3819 test "$postproc_version" != current && cat >> $TMPH <<EOF
3820 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3821 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3822 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3823 EOF
3824
3825 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3826
3827 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3828
3829 cp_if_changed $TMPH libavutil/avconfig.h
3830
3831 test -n "$WARNINGS" && printf "\n$WARNINGS"
3832
3833 # build pkg-config files
3834
3835 pkgconfig_generate(){
3836 name=$1
3837 shortname=${name#lib}${build_suffix}
3838 comment=$2
3839 version=$3
3840 libs=$4
3841 requires=$5
3842 enabled ${name#lib} || return 0
3843 mkdir -p $name
3844 cat <<EOF > $name/$name.pc
3845 prefix=$prefix
3846 exec_prefix=\${prefix}
3847 libdir=$libdir
3848 includedir=$incdir
3849
3850 Name: $name
3851 Description: $comment
3852 Version: $version
3853 Requires: $(enabled shared || echo $requires)
3854 Requires.private: $(enabled shared && echo $requires)
3855 Conflicts:
3856 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3857 Libs.private: $(enabled shared && echo $libs)
3858 Cflags: -I\${includedir}
3859 EOF
3860 cat <<EOF > $name/$name-uninstalled.pc
3861 prefix=
3862 exec_prefix=
3863 libdir=\${pcfiledir}
3864 includedir=${source_path}
3865
3866 Name: $name
3867 Description: $comment
3868 Version: $version
3869 Requires: $requires
3870 Conflicts:
3871 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3872 Cflags: -I\${includedir}
3873 EOF
3874 }
3875
3876 libavfilter_pc_deps=""
3877 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3878 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3879 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3880 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3881 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3882 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3883
3884 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
3885 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
3886
3887 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3888 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3889 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3890 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
3891 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3892 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3893 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3894 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3895 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"