Merge remote-tracking branch 'qatar/master'
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18     echo "Trying shell $1"
19     type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30     echo "Broken shell detected.  Trying alternatives."
31     export FF_CONF_EXEC
32     if test "0$FF_CONF_EXEC" -lt 1; then
33         FF_CONF_EXEC=1
34         try_exec bash "$0" "$@"
35     fi
36     if test "0$FF_CONF_EXEC" -lt 2; then
37         FF_CONF_EXEC=2
38         try_exec ksh "$0" "$@"
39     fi
40     if test "0$FF_CONF_EXEC" -lt 3; then
41         FF_CONF_EXEC=3
42         try_exec /usr/xpg4/bin/sh "$0" "$@"
43     fi
44     echo "No compatible shell script interpreter found."
45     echo "This configure script requires a POSIX-compatible shell"
46     echo "such as bash or ksh."
47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48     echo "Instead, install a working POSIX-compatible shell."
49     echo "Disabling this configure test will create a broken FFmpeg."
50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51         echo "This bash version ($BASH_VERSION) is broken on your platform."
52         echo "Upgrade to a later version if available."
53     fi
54     exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 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   --disable-avresample     disable 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 encoding 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     ebp_available
1177     ebx_available
1178     exp2
1179     exp2f
1180     fast_64bit
1181     fast_clz
1182     fast_cmov
1183     fcntl
1184     fork
1185     getaddrinfo
1186     gethrtime
1187     GetProcessAffinityMask
1188     GetProcessMemoryInfo
1189     GetProcessTimes
1190     getrusage
1191     glob
1192     gnu_as
1193     ibm_asm
1194     inet_aton
1195     inline_asm
1196     isatty
1197     kbhit
1198     ldbrx
1199     libdc1394_1
1200     libdc1394_2
1201     llrint
1202     llrintf
1203     local_aligned_16
1204     local_aligned_8
1205     localtime_r
1206     log2
1207     log2f
1208     loongson
1209     lrint
1210     lrintf
1211     lzo1x_999_compress
1212     machine_ioctl_bt848_h
1213     machine_ioctl_meteor_h
1214     makeinfo
1215     malloc_h
1216     MapViewOfFile
1217     memalign
1218     mkstemp
1219     mmap
1220     PeekNamedPipe
1221     poll_h
1222     posix_memalign
1223     round
1224     roundf
1225     sched_getaffinity
1226     sdl
1227     sdl_video_size
1228     setmode
1229     setrlimit
1230     sndio_h
1231     socklen_t
1232     soundcard_h
1233     strerror_r
1234     strptime
1235     struct_addrinfo
1236     struct_ipv6_mreq
1237     struct_rusage_ru_maxrss
1238     struct_sockaddr_in6
1239     struct_sockaddr_sa_len
1240     struct_sockaddr_storage
1241     struct_v4l2_frmivalenum_discrete
1242     symver
1243     symver_asm_label
1244     symver_gnu_asm
1245     sysconf
1246     sysctl
1247     sys_mman_h
1248     sys_param_h
1249     sys_resource_h
1250     sys_select_h
1251     sys_soundcard_h
1252     sys_videoio_h
1253     termios_h
1254     threads
1255     trunc
1256     truncf
1257     vfp_args
1258     VirtualAlloc
1259     winsock2_h
1260     xform_asm
1261     xmm_clobbers
1262     yasm
1263 "
1264
1265 # options emitted with CONFIG_ prefix but not available on command line
1266 CONFIG_EXTRA="
1267     aandct
1268     avutil
1269     golomb
1270     gplv3
1271     h264chroma
1272     h264dsp
1273     h264pred
1274     h264qpel
1275     huffman
1276     lgplv3
1277     lpc
1278 "
1279
1280 CMDLINE_SELECT="
1281     $ARCH_EXT_LIST
1282     $CONFIG_LIST
1283     $THREADS_LIST
1284     asm
1285     coverage
1286     cross_compile
1287     debug
1288     extra_warnings
1289     logging
1290     optimizations
1291     stripping
1292     symver
1293     yasm
1294 "
1295
1296 PATHS_LIST='
1297     bindir
1298     datadir
1299     incdir
1300     libdir
1301     mandir
1302     prefix
1303     shlibdir
1304 '
1305
1306 CMDLINE_SET="
1307     $PATHS_LIST
1308     ar
1309     arch
1310     as
1311     assert_level
1312     build_suffix
1313     cc
1314     cpu
1315     cross_prefix
1316     cxx
1317     dep_cc
1318     extra_version
1319     host_cc
1320     host_cflags
1321     host_ldflags
1322     host_libs
1323     host_os
1324     install
1325     ld
1326     logfile
1327     malloc_prefix
1328     nm
1329     optflags
1330     pkg_config
1331     postproc_version
1332     progs_suffix
1333     samples
1334     strip
1335     sysinclude
1336     sysroot
1337     target_exec
1338     target_os
1339     target_path
1340     valgrind
1341     yasmexe
1342 "
1343
1344 CMDLINE_APPEND="
1345     extra_cflags
1346     extra_cxxflags
1347 "
1348
1349 # code dependency declarations
1350
1351 # architecture extensions
1352
1353 armv5te_deps="arm"
1354 armv6_deps="arm"
1355 armv6t2_deps="arm"
1356 armvfp_deps="arm"
1357 neon_deps="arm"
1358 vfpv3_deps="armvfp"
1359
1360 mmi_deps="mips"
1361
1362 altivec_deps="ppc"
1363 ppc4xx_deps="ppc"
1364
1365 vis_deps="sparc"
1366
1367 x86_64_suggest="cmov fast_cmov"
1368 amd3dnow_deps="mmx"
1369 amd3dnowext_deps="amd3dnow"
1370 mmx_deps="x86"
1371 mmx2_deps="mmx"
1372 sse_deps="mmx"
1373 ssse3_deps="sse"
1374 avx_deps="ssse3"
1375
1376 aligned_stack_if_any="ppc x86"
1377 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1378 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1379 fast_unaligned_if_any="armv6 ppc x86"
1380
1381 inline_asm_deps="!tms470"
1382 need_memalign="altivec neon sse"
1383
1384 symver_if_any="symver_asm_label symver_gnu_asm"
1385
1386 # subsystems
1387 dct_select="rdft"
1388 mdct_select="fft"
1389 rdft_select="fft"
1390 mpegaudiodsp_select="dct"
1391
1392 # decoders / encoders / hardware accelerators
1393 aac_decoder_select="mdct sinewin"
1394 aac_encoder_select="mdct sinewin"
1395 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1396 ac3_decoder_select="mdct ac3dsp ac3_parser"
1397 ac3_encoder_select="mdct ac3dsp"
1398 ac3_fixed_encoder_select="mdct ac3dsp"
1399 alac_encoder_select="lpc"
1400 amrnb_decoder_select="lsp"
1401 amrwb_decoder_select="lsp"
1402 atrac1_decoder_select="mdct sinewin"
1403 atrac3_decoder_select="mdct"
1404 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1405 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1406 cavs_decoder_select="golomb"
1407 cook_decoder_select="mdct sinewin"
1408 cscd_decoder_suggest="zlib"
1409 dca_decoder_select="mdct"
1410 dnxhd_encoder_select="aandct"
1411 dxa_decoder_select="zlib"
1412 eac3_decoder_select="ac3_decoder"
1413 eac3_encoder_select="mdct ac3dsp"
1414 eamad_decoder_select="aandct"
1415 eatgq_decoder_select="aandct"
1416 eatqi_decoder_select="aandct"
1417 ffv1_decoder_select="golomb"
1418 flac_decoder_select="golomb"
1419 flac_encoder_select="golomb lpc"
1420 flashsv_decoder_select="zlib"
1421 flashsv_encoder_select="zlib"
1422 flashsv2_encoder_select="zlib"
1423 flashsv2_decoder_select="zlib"
1424 flv_decoder_select="h263_decoder"
1425 flv_encoder_select="h263_encoder"
1426 fraps_decoder_select="huffman"
1427 h261_encoder_select="aandct"
1428 h263_decoder_select="h263_parser"
1429 h263_encoder_select="aandct"
1430 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1431 h263i_decoder_select="h263_decoder"
1432 h263p_encoder_select="h263_encoder"
1433 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1434 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1435 h264_dxva2_hwaccel_deps="dxva2api_h"
1436 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1437 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1438 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1439 h264_vda_hwaccel_select="vda h264_decoder"
1440 h264_vdpau_decoder_select="vdpau h264_decoder"
1441 imc_decoder_select="fft mdct sinewin"
1442 jpegls_decoder_select="golomb"
1443 jpegls_encoder_select="golomb"
1444 ljpeg_encoder_select="aandct"
1445 loco_decoder_select="golomb"
1446 mjpeg_encoder_select="aandct"
1447 mlp_decoder_select="mlp_parser"
1448 mp1_decoder_select="mpegaudiodsp"
1449 mp1float_decoder_select="mpegaudiodsp"
1450 mp2_decoder_select="mpegaudiodsp"
1451 mp2float_decoder_select="mpegaudiodsp"
1452 mp3_decoder_select="mpegaudiodsp"
1453 mp3adu_decoder_select="mpegaudiodsp"
1454 mp3adufloat_decoder_select="mpegaudiodsp"
1455 mp3float_decoder_select="mpegaudiodsp"
1456 mp3on4_decoder_select="mpegaudiodsp"
1457 mp3on4float_decoder_select="mpegaudiodsp"
1458 mpc7_decoder_select="mpegaudiodsp"
1459 mpc8_decoder_select="mpegaudiodsp"
1460 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1461 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1462 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1463 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1464 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1465 mpeg1video_encoder_select="aandct"
1466 mpeg2_crystalhd_decoder_select="crystalhd"
1467 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1468 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1469 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1470 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1471 mpeg2video_encoder_select="aandct"
1472 mpeg4_crystalhd_decoder_select="crystalhd"
1473 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1474 mpeg4_encoder_select="h263_encoder"
1475 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1476 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1477 msmpeg4_crystalhd_decoder_select="crystalhd"
1478 msmpeg4v1_decoder_select="h263_decoder"
1479 msmpeg4v1_encoder_select="h263_encoder"
1480 msmpeg4v2_decoder_select="h263_decoder"
1481 msmpeg4v2_encoder_select="h263_encoder"
1482 msmpeg4v3_decoder_select="h263_decoder"
1483 msmpeg4v3_encoder_select="h263_encoder"
1484 nellymoser_decoder_select="mdct sinewin"
1485 nellymoser_encoder_select="mdct sinewin"
1486 png_decoder_select="zlib"
1487 png_encoder_select="zlib"
1488 qcelp_decoder_select="lsp"
1489 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1490 ra_144_encoder_select="lpc"
1491 ralf_decoder_select="golomb"
1492 rv10_decoder_select="h263_decoder"
1493 rv10_encoder_select="h263_encoder"
1494 rv20_decoder_select="h263_decoder"
1495 rv20_encoder_select="h263_encoder"
1496 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1497 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1498 shorten_decoder_select="golomb"
1499 sipr_decoder_select="lsp"
1500 snow_decoder_select="dwt"
1501 snow_encoder_select="aandct dwt"
1502 sonic_decoder_select="golomb"
1503 sonic_encoder_select="golomb"
1504 sonic_ls_encoder_select="golomb"
1505 svq1_encoder_select="aandct"
1506 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1507 svq3_decoder_suggest="zlib"
1508 theora_decoder_select="vp3_decoder"
1509 tiff_decoder_suggest="zlib"
1510 tiff_encoder_suggest="zlib"
1511 truehd_decoder_select="mlp_decoder"
1512 tscc_decoder_select="zlib"
1513 twinvq_decoder_select="mdct lsp sinewin"
1514 vc1_crystalhd_decoder_select="crystalhd"
1515 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1516 vc1_dxva2_hwaccel_deps="dxva2api_h"
1517 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1518 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1519 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1520 vc1image_decoder_select="vc1_decoder"
1521 vorbis_decoder_select="mdct"
1522 vorbis_encoder_select="mdct"
1523 vp6_decoder_select="huffman"
1524 vp6a_decoder_select="vp6_decoder"
1525 vp6f_decoder_select="vp6_decoder"
1526 vp8_decoder_select="h264pred h264qpel"
1527 wmapro_decoder_select="mdct sinewin"
1528 wmav1_decoder_select="mdct sinewin"
1529 wmav1_encoder_select="mdct sinewin"
1530 wmav2_decoder_select="mdct sinewin"
1531 wmav2_encoder_select="mdct sinewin"
1532 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1533 wmv1_decoder_select="h263_decoder"
1534 wmv1_encoder_select="h263_encoder"
1535 wmv2_decoder_select="h263_decoder"
1536 wmv2_encoder_select="h263_encoder"
1537 wmv3_decoder_select="vc1_decoder"
1538 wmv3_crystalhd_decoder_select="crystalhd"
1539 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1540 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1541 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1542 wmv3image_decoder_select="wmv3_decoder"
1543 zerocodec_decoder_select="zlib"
1544 zlib_decoder_select="zlib"
1545 zlib_encoder_select="zlib"
1546 zmbv_decoder_select="zlib"
1547 zmbv_encoder_select="zlib"
1548
1549 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1550 vaapi_deps="va_va_h"
1551 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1552 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1553
1554 # parsers
1555 h264_parser_select="golomb h264dsp h264pred"
1556
1557 # external libraries
1558 libaacplus_encoder_deps="libaacplus"
1559 libcelt_decoder_deps="libcelt"
1560 libfaac_encoder_deps="libfaac"
1561 libgsm_decoder_deps="libgsm"
1562 libgsm_encoder_deps="libgsm"
1563 libgsm_ms_decoder_deps="libgsm"
1564 libgsm_ms_encoder_deps="libgsm"
1565 libmodplug_demuxer_deps="libmodplug"
1566 libmp3lame_encoder_deps="libmp3lame"
1567 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1568 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1569 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1570 libopenjpeg_decoder_deps="libopenjpeg"
1571 libopenjpeg_encoder_deps="libopenjpeg"
1572 libschroedinger_decoder_deps="libschroedinger"
1573 libschroedinger_encoder_deps="libschroedinger"
1574 libspeex_decoder_deps="libspeex"
1575 libspeex_encoder_deps="libspeex"
1576 libstagefright_h264_decoder_deps="libstagefright_h264"
1577 libtheora_encoder_deps="libtheora"
1578 libvo_aacenc_encoder_deps="libvo_aacenc"
1579 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1580 libvorbis_encoder_deps="libvorbis"
1581 libvpx_decoder_deps="libvpx"
1582 libvpx_encoder_deps="libvpx"
1583 libx264_encoder_deps="libx264"
1584 libx264rgb_encoder_deps="libx264"
1585 libxavs_encoder_deps="libxavs"
1586 libxvid_encoder_deps="libxvid"
1587 libutvideo_decoder_deps="libutvideo"
1588 libutvideo_encoder_deps="libutvideo"
1589
1590 # demuxers / muxers
1591 ac3_demuxer_select="ac3_parser"
1592 asf_stream_muxer_select="asf_muxer"
1593 avisynth_demuxer_deps="avisynth"
1594 dirac_demuxer_select="dirac_parser"
1595 eac3_demuxer_select="ac3_parser"
1596 flac_demuxer_select="flac_parser"
1597 ipod_muxer_select="mov_muxer"
1598 libnut_demuxer_deps="libnut"
1599 libnut_muxer_deps="libnut"
1600 matroska_audio_muxer_select="matroska_muxer"
1601 matroska_demuxer_suggest="zlib bzlib"
1602 mov_demuxer_suggest="zlib"
1603 mp3_demuxer_select="mpegaudio_parser"
1604 mp4_muxer_select="mov_muxer"
1605 mpegtsraw_demuxer_select="mpegts_demuxer"
1606 mxf_d10_muxer_select="mxf_muxer"
1607 ogg_demuxer_select="golomb"
1608 psp_muxer_select="mov_muxer"
1609 rtp_demuxer_select="sdp_demuxer"
1610 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1611 rtsp_demuxer_select="http_protocol rtpdec"
1612 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1613 sap_demuxer_select="sdp_demuxer"
1614 sap_muxer_select="rtp_muxer rtp_protocol"
1615 sdp_demuxer_select="rtpdec"
1616 spdif_muxer_select="aac_parser"
1617 tg2_muxer_select="mov_muxer"
1618 tgp_muxer_select="mov_muxer"
1619 w64_demuxer_deps="wav_demuxer"
1620
1621 # indevs / outdevs
1622 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1623 alsa_outdev_deps="alsa_asoundlib_h"
1624 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1625 dshow_indev_deps="IBaseFilter"
1626 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1627 dv1394_indev_deps="dv1394 dv_demuxer"
1628 fbdev_indev_deps="linux_fb_h"
1629 jack_indev_deps="jack_jack_h sem_timedwait"
1630 lavfi_indev_deps="avfilter"
1631 libcdio_indev_deps="libcdio"
1632 libdc1394_indev_deps="libdc1394"
1633 libv4l2_indev_deps="libv4l2"
1634 openal_indev_deps="openal"
1635 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1636 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1637 pulse_indev_deps="libpulse"
1638 sdl_outdev_deps="sdl"
1639 sndio_indev_deps="sndio_h"
1640 sndio_outdev_deps="sndio_h"
1641 v4l_indev_deps="linux_videodev_h"
1642 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1643 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1644 vfwcap_indev_extralibs="-lavicap32"
1645 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1646
1647 # protocols
1648 bluray_protocol_deps="libbluray"
1649 gopher_protocol_deps="network"
1650 httpproxy_protocol_deps="network"
1651 httpproxy_protocol_select="tcp_protocol"
1652 http_protocol_deps="network"
1653 http_protocol_select="tcp_protocol"
1654 https_protocol_select="tls_protocol"
1655 librtmp_protocol_deps="librtmp"
1656 librtmpe_protocol_deps="librtmp"
1657 librtmps_protocol_deps="librtmp"
1658 librtmpt_protocol_deps="librtmp"
1659 librtmpte_protocol_deps="librtmp"
1660 mmsh_protocol_select="http_protocol"
1661 mmst_protocol_deps="network"
1662 rtmp_protocol_deps="!librtmp_protocol"
1663 rtmp_protocol_select="tcp_protocol"
1664 rtp_protocol_select="udp_protocol"
1665 tcp_protocol_deps="network"
1666 tls_protocol_deps_any="openssl gnutls"
1667 tls_protocol_select="tcp_protocol"
1668 udp_protocol_deps="network"
1669
1670 # filters
1671 aconvert_filter_deps="swresample"
1672 amovie_filter_deps="avcodec avformat"
1673 aresample_filter_deps="swresample"
1674 ass_filter_deps="libass"
1675 blackframe_filter_deps="gpl"
1676 boxblur_filter_deps="gpl"
1677 colormatrix_filter_deps="gpl"
1678 cropdetect_filter_deps="gpl"
1679 delogo_filter_deps="gpl"
1680 drawtext_filter_deps="libfreetype"
1681 frei0r_filter_deps="frei0r dlopen"
1682 frei0r_filter_extralibs='$ldl'
1683 frei0r_src_filter_deps="frei0r dlopen"
1684 frei0r_src_filter_extralibs='$ldl'
1685 hqdn3d_filter_deps="gpl"
1686 movie_filter_deps="avcodec avformat"
1687 mp_filter_deps="gpl avcodec swscale postproc"
1688 mptestsrc_filter_deps="gpl"
1689 negate_filter_deps="lut_filter"
1690 ocv_filter_deps="libopencv"
1691 pan_filter_deps="swresample"
1692 removelogo_filter_deps="avcodec avformat swscale"
1693 scale_filter_deps="swscale"
1694 super2xsai_filter_deps="gpl"
1695 tinterlace_filter_deps="gpl"
1696 yadif_filter_deps="gpl"
1697
1698 # libraries
1699 avdevice_deps="avcodec avformat"
1700 avformat_deps="avcodec"
1701 postproc_deps="gpl"
1702
1703 # programs
1704 ffplay_deps="avcodec avformat swscale swresample sdl"
1705 ffplay_select="buffersink_filter rdft"
1706 ffprobe_deps="avcodec avformat"
1707 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1708 ffserver_extralibs='$ldl'
1709 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1710 ffmpeg_select="buffersink_filter"
1711
1712 doc_deps="texi2html"
1713
1714 # tests
1715
1716 test_deps(){
1717     suf1=$1
1718     suf2=$2
1719     shift 2
1720     for v; do
1721         dep=${v%=*}
1722         tests=${v#*=}
1723         for name in ${tests}; do
1724             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1725         done
1726     done
1727 }
1728
1729 mxf_d10_test_deps="avfilter"
1730 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1731
1732 test_deps _encoder _decoder                                             \
1733     adpcm_ima_qt                                                        \
1734     adpcm_ima_wav                                                       \
1735     adpcm_ms                                                            \
1736     adpcm_swf                                                           \
1737     adpcm_yamaha=adpcm_yam                                              \
1738     alac                                                                \
1739     asv1                                                                \
1740     asv2                                                                \
1741     bmp                                                                 \
1742     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1743     dvvideo="dv dv_411 dv50"                                            \
1744     ffv1                                                                \
1745     flac                                                                \
1746     flashsv                                                             \
1747     flv                                                                 \
1748     adpcm_g726=g726                                                     \
1749     gif                                                                 \
1750     h261                                                                \
1751     h263="h263 h263p"                                                   \
1752     huffyuv                                                             \
1753     jpegls                                                              \
1754     mjpeg="jpg mjpeg ljpeg"                                             \
1755     mp2                                                                 \
1756     mpeg1video="mpeg mpeg1b"                                            \
1757     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1758     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1759     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1760     mpeg4="mpeg4thread error rc"                                        \
1761     msmpeg4v3=msmpeg4                                                   \
1762     msmpeg4v2                                                           \
1763     pbm=pbmpipe                                                         \
1764     pcx                                                                 \
1765     pgm="pgm pgmpipe"                                                   \
1766     png                                                                 \
1767     ppm="ppm ppmpipe"                                                   \
1768     rawvideo="rgb yuv"                                                  \
1769     roq                                                                 \
1770     rv10                                                                \
1771     rv20                                                                \
1772     sgi                                                                 \
1773     snow="snow snowll"                                                  \
1774     svq1                                                                \
1775     targa=tga                                                           \
1776     tiff                                                                \
1777     wmav1                                                               \
1778     wmav2                                                               \
1779     wmv1                                                                \
1780     wmv2                                                                \
1781
1782 test_deps _muxer _demuxer                                               \
1783     aiff                                                                \
1784     pcm_alaw=alaw                                                       \
1785     asf                                                                 \
1786     au                                                                  \
1787     avi                                                                 \
1788     dv=dv_fmt                                                           \
1789     ffm                                                                 \
1790     flv=flv_fmt                                                         \
1791     gxf                                                                 \
1792     matroska=mkv                                                        \
1793     mmf                                                                 \
1794     mov="mov ismv"                                                      \
1795     pcm_mulaw=mulaw                                                     \
1796     mxf="mxf mxf_d10"                                                   \
1797     nut                                                                 \
1798     ogg="ogg ogg_vp3"                                                   \
1799     rawvideo=pixfmt                                                     \
1800     rm                                                                  \
1801     swf                                                                 \
1802     mpegts=ts                                                           \
1803     voc                                                                 \
1804     wav                                                                 \
1805     yuv4mpegpipe=yuv4mpeg                                               \
1806
1807 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1808 colormatrix1_test_deps="colormatrix_filter"
1809 colormatrix2_test_deps="colormatrix_filter"
1810 flashsv2_test_deps="zlib"
1811 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1812 mpng_test_deps="zlib"
1813 pp_test_deps="mp_filter"
1814 pp2_test_deps="mp_filter"
1815 pp3_test_deps="mp_filter"
1816 pp4_test_deps="mp_filter"
1817 pp5_test_deps="mp_filter"
1818 pp6_test_deps="mp_filter"
1819 zlib_test_deps="zlib"
1820 zmbv_test_deps="zlib"
1821
1822 # default parameters
1823
1824 logfile="config.log"
1825
1826 # installation paths
1827 prefix_default="/usr/local"
1828 bindir_default='${prefix}/bin'
1829 datadir_default='${prefix}/share/ffmpeg'
1830 incdir_default='${prefix}/include'
1831 libdir_default='${prefix}/lib'
1832 mandir_default='${prefix}/share/man'
1833 shlibdir_default="$libdir_default"
1834 postproc_version_default="current"
1835
1836 # toolchain
1837 ar_default="ar"
1838 cc_default="gcc"
1839 cxx_default="g++"
1840 cc_version=\"unknown\"
1841 host_cc_default="gcc"
1842 install="install"
1843 ln_s="ln -sf"
1844 nm_default="nm"
1845 objformat="elf"
1846 pkg_config_default=pkg-config
1847 ranlib="ranlib"
1848 strip_default="strip"
1849 yasmexe_default="yasm"
1850
1851 nm_opts='-g'
1852 nogas=":"
1853
1854 # machine
1855 arch_default=$(uname -m)
1856 cpu="generic"
1857
1858 # OS
1859 target_os_default=$(tolower $(uname -s))
1860 host_os=$target_os_default
1861
1862 # alternative libpostproc version
1863 ALT_PP_VER_MAJOR=51
1864 ALT_PP_VER_MINOR=2
1865 ALT_PP_VER_MICRO=101
1866 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1867
1868 # configurable options
1869 enable $PROGRAM_LIST
1870
1871 enable avcodec
1872 enable avdevice
1873 enable avfilter
1874 enable avformat
1875 enable avresample
1876 enable avutil
1877 enable postproc
1878 enable stripping
1879 enable swresample
1880 enable swscale
1881
1882 enable asm
1883 enable debug
1884 enable doc
1885 enable fastdiv
1886 enable network
1887 enable optimizations
1888 enable safe_bitstream_reader
1889 enable static
1890 enable swscale_alpha
1891
1892 # build settings
1893 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1894 FFSERVERLDFLAGS=-Wl,-E
1895 LIBPREF="lib"
1896 LIBSUF=".a"
1897 FULLNAME='$(NAME)$(BUILDSUF)'
1898 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1899 SLIBPREF="lib"
1900 SLIBSUF=".so"
1901 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1902 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1903 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1904 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1905 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1906 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1907
1908 AS_O='-o $@'
1909 CC_O='-o $@'
1910 CXX_O='-o $@'
1911
1912 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1913 host_libs='-lm'
1914
1915 target_path='$(CURDIR)'
1916
1917 # since the object filename is not given with the -MM flag, the compiler
1918 # is only able to print the basename, and we must add the path ourselves
1919 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1920 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1921
1922 # find source path
1923 if test -f configure; then
1924     source_path=.
1925 else
1926     source_path=$(cd $(dirname "$0"); pwd)
1927     echo "$source_path" | grep -q '[[:blank:]]' &&
1928         die "Out of tree builds are impossible with whitespace in source path."
1929     test -e "$source_path/config.h" &&
1930         die "Out of tree builds are impossible with config.h in source dir."
1931 fi
1932
1933 for v in "$@"; do
1934     r=${v#*=}
1935     l=${v%"$r"}
1936     r=$(sh_quote "$r")
1937     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1938 done
1939
1940 find_things(){
1941     thing=$1
1942     pattern=$2
1943     file=$source_path/$3
1944     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1945 }
1946
1947 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1948 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1949 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1950 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1951 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1952 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1953 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1954 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1955 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1956 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1957 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1958
1959 ALL_COMPONENTS="
1960     $BSF_LIST
1961     $DECODER_LIST
1962     $DEMUXER_LIST
1963     $ENCODER_LIST
1964     $FILTER_LIST
1965     $HWACCEL_LIST
1966     $INDEV_LIST
1967     $MUXER_LIST
1968     $OUTDEV_LIST
1969     $PARSER_LIST
1970     $PROTOCOL_LIST
1971 "
1972
1973 find_tests(){
1974     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1975 }
1976
1977 ACODEC_TESTS=$(find_tests acodec)
1978 VCODEC_TESTS=$(find_tests vsynth1)
1979 LAVF_FATE_TESTS=$(find_tests lavf-fate)
1980 LAVF_TESTS=$(find_tests lavf)
1981 LAVFI_TESTS=$(find_tests lavfi)
1982 SEEK_TESTS=$(find_tests seek seek_)
1983
1984 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1985
1986 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1987
1988 for n in $COMPONENT_LIST; do
1989     v=$(toupper ${n%s})_LIST
1990     eval enable \$$v
1991     eval ${n}_if_any="\$$v"
1992 done
1993
1994 enable $ARCH_EXT_LIST $ALL_TESTS
1995
1996 die_unknown(){
1997     echo "Unknown option \"$1\"."
1998     echo "See $0 --help for available options."
1999     exit 1
2000 }
2001
2002 show_list() {
2003     suffix=_$1
2004     shift
2005     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2006     exit 0
2007 }
2008
2009 for opt do
2010     optval="${opt#*=}"
2011     case "$opt" in
2012     --extra-ldflags=*) add_ldflags $optval
2013     ;;
2014     --extra-libs=*) add_extralibs $optval
2015     ;;
2016     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2017     ;;
2018     --enable-debug=*) debuglevel="$optval"
2019     ;;
2020     --disable-everything)
2021     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2022     ;;
2023     --enable-*=*|--disable-*=*)
2024     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2025     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2026     eval list=\$$(toupper $thing)_LIST
2027     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2028     $action $(filter "$name" $list)
2029     ;;
2030     --enable-?*|--disable-?*)
2031     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2032     if is_in $option $COMPONENT_LIST; then
2033         test $action = disable && action=unset
2034         eval $action \$$(toupper ${option%s})_LIST
2035     elif is_in $option $CMDLINE_SELECT; then
2036         $action $option
2037     else
2038         die_unknown $opt
2039     fi
2040     ;;
2041     --list-*)
2042         NAME="${opt#--list-}"
2043         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2044         NAME=${NAME%s}
2045         eval show_list $NAME \$$(toupper $NAME)_LIST
2046     ;;
2047     --help|-h) show_help
2048     ;;
2049     *)
2050     optname="${opt%%=*}"
2051     optname="${optname#--}"
2052     optname=$(echo "$optname" | sed 's/-/_/g')
2053     if is_in $optname $CMDLINE_SET; then
2054         eval $optname='$optval'
2055     elif is_in $optname $CMDLINE_APPEND; then
2056         append $optname "$optval"
2057     else
2058          die_unknown $opt
2059     fi
2060     ;;
2061     esac
2062 done
2063
2064 disabled logging && logfile=/dev/null
2065
2066 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2067 set >> $logfile
2068
2069 test -n "$cross_prefix" && enable cross_compile
2070
2071 if enabled cross_compile; then
2072     test -n "$arch" && test -n "$target_os" ||
2073         die "Must specify target arch and OS when cross-compiling"
2074 fi
2075
2076 set_default arch target_os postproc_version
2077
2078 # Check if we should build alternative libpostproc version instead of current
2079 if   test "$postproc_version" = $ALT_PP_VER; then
2080   LIBPOSTPROC_VERSION=$ALT_PP_VER
2081   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2082   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2083   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2084 elif test "$postproc_version" != current; then
2085   die "Invalid argument to --postproc-version. See --help output."
2086 fi
2087
2088 ar_default="${cross_prefix}${ar_default}"
2089 cc_default="${cross_prefix}${cc_default}"
2090 cxx_default="${cross_prefix}${cxx_default}"
2091 nm_default="${cross_prefix}${nm_default}"
2092 pkg_config_default="${cross_prefix}${pkg_config_default}"
2093 ranlib="${cross_prefix}${ranlib}"
2094 strip_default="${cross_prefix}${strip_default}"
2095
2096 sysinclude_default="${sysroot}/usr/include"
2097
2098 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2099 enabled cross_compile || host_cc_default=$cc
2100 set_default host_cc
2101
2102 if ! $pkg_config --version >/dev/null 2>&1; then
2103     warn "$pkg_config not found, library detection may fail."
2104     pkg_config=false
2105 fi
2106
2107 exesuf() {
2108     case $1 in
2109         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2110     esac
2111 }
2112
2113 EXESUF=$(exesuf $target_os)
2114 HOSTEXESUF=$(exesuf $host_os)
2115
2116 # set temporary file name
2117 : ${TMPDIR:=$TEMPDIR}
2118 : ${TMPDIR:=$TMP}
2119 : ${TMPDIR:=/tmp}
2120
2121 if ! check_cmd mktemp -u XXXXXX; then
2122     # simple replacement for missing mktemp
2123     # NOT SAFE FOR GENERAL USE
2124     mktemp(){
2125         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2126     }
2127 fi
2128
2129 tmpfile(){
2130     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2131         (set -C; exec > $tmp) 2>/dev/null ||
2132         die "Unable to create temporary file in $TMPDIR."
2133     append TMPFILES $tmp
2134     eval $1=$tmp
2135 }
2136
2137 trap 'rm -f -- $TMPFILES' EXIT
2138
2139 tmpfile TMPASM .asm
2140 tmpfile TMPC   .c
2141 tmpfile TMPCPP .cpp
2142 tmpfile TMPE   $EXESUF
2143 tmpfile TMPH   .h
2144 tmpfile TMPO   .o
2145 tmpfile TMPS   .S
2146 tmpfile TMPSH  .sh
2147 tmpfile TMPV   .ver
2148
2149 unset -f mktemp
2150
2151 chmod +x $TMPE
2152
2153 # make sure we can execute files in $TMPDIR
2154 cat > $TMPSH 2>> $logfile <<EOF
2155 #! /bin/sh
2156 EOF
2157 chmod +x $TMPSH >> $logfile 2>&1
2158 if ! $TMPSH >> $logfile 2>&1; then
2159     cat <<EOF
2160 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2161 variable to another directory and make sure that it is not mounted noexec.
2162 EOF
2163     die "Sanity test failed."
2164 fi
2165
2166 filter_asflags=echo
2167 filter_cflags=echo
2168 filter_cppflags=echo
2169
2170 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2171     cc_type=llvm_gcc
2172     cc_version=__VERSION__
2173     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2174     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2175     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2176     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2177     speed_cflags='-O3'
2178     size_cflags='-Os'
2179 elif $cc -v 2>&1 | grep -qi ^gcc; then
2180     cc_type=gcc
2181     cc_version=__VERSION__
2182     gcc_version=$($cc --version | head -n1)
2183     gcc_basever=$($cc -dumpversion)
2184     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2185     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2186     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2187     if ! $cc -dumpversion | grep -q '^2\.'; then
2188         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2189         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2190     fi
2191     speed_cflags='-O3'
2192     size_cflags='-Os'
2193 elif $cc --version 2>/dev/null | grep -q Intel; then
2194     cc_type=icc
2195     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2196     cc_ident=$($cc --version | head -n1)
2197     icc_version=$($cc -dumpversion)
2198     CC_DEPFLAGS='-MMD'
2199     AS_DEPFLAGS='-MMD'
2200     speed_cflags='-O3'
2201     size_cflags='-Os'
2202     noopt_cflags='-O1'
2203 elif $cc -v 2>&1 | grep -q xlc; then
2204     cc_type=xlc
2205     cc_version="AV_STRINGIFY(__IBMC__)"
2206     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2207     speed_cflags='-O5'
2208     size_cflags='-O5 -qcompact'
2209 elif $cc -V 2>/dev/null | grep -q Compaq; then
2210     cc_type=ccc
2211     cc_version="AV_STRINGIFY(__DECC_VER)"
2212     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2213     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2214     debuglevel=3
2215     add_ldflags -Wl,-z,now # calls to libots crash without this
2216     speed_cflags='-fast'
2217     size_cflags='-O1'
2218 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2219     test -d "$sysroot" || die "No valid sysroot specified."
2220     cc_type=armcc
2221     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2222     cc_ident=$($cc --vsn | head -n1)
2223     armcc_conf="$PWD/armcc.conf"
2224     $cc --arm_linux_configure                 \
2225         --arm_linux_config_file="$armcc_conf" \
2226         --configure_sysroot="$sysroot"        \
2227         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2228         die "Error creating armcc configuration file."
2229     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2230     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2231     as_default="${cross_prefix}gcc"
2232     CC_DEPFLAGS='-MMD'
2233     AS_DEPFLAGS='-MMD'
2234     speed_cflags='-O3'
2235     size_cflags='-Os'
2236     filter_asflags="filter_out -W${armcc_opt}*"
2237 elif $cc -version 2>/dev/null | grep -q TMS470; then
2238     cc_type=tms470
2239     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2240     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2241     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2242     CC_O='-fr=$(@D)'
2243     as_default="${cross_prefix}gcc"
2244     ld_default="${cross_prefix}gcc"
2245     TMPO=$(basename $TMPC .c).o
2246     append TMPFILES $TMPO
2247     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2248     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2249     AS_DEPFLAGS='-MMD'
2250     speed_cflags='-O3 -mf=5'
2251     size_cflags='-O3 -mf=2'
2252     filter_cflags=tms470_flags
2253     tms470_flags(){
2254         for flag; do
2255             case $flag in
2256                 -march=*|-mcpu=*)
2257                     case "${flag#*=}" in
2258                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2259                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2260                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2261                         armv6*|arm11*)          echo -mv=6   ;;
2262                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2263                                                 echo -mv=5e  ;;
2264                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2265                     esac
2266                     ;;
2267                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2268                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2269                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2270                 -msoft-float)   echo --float_support=vfplib       ;;
2271                 -O[0-3]|-mf=*)  echo $flag                        ;;
2272                 -g)             echo -g -mn                       ;;
2273                 -pds=*)         echo $flag                        ;;
2274             esac
2275         done
2276     }
2277 elif $cc -v 2>&1 | grep -q clang; then
2278     cc_type=clang
2279     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2280         cc_version=__clang_version__ || cc_version=__VERSION__
2281     cc_ident=$($cc --version | head -n1)
2282     CC_DEPFLAGS='-MMD'
2283     AS_DEPFLAGS='-MMD'
2284     speed_cflags='-O3'
2285     size_cflags='-Os'
2286 elif $cc -V 2>&1 | grep -q Sun; then
2287     cc_type=suncc
2288     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2289     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2290     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2291     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2292     add_ldflags -xc99
2293     speed_cflags='-O5'
2294     size_cflags='-O5 -xspace'
2295     filter_cflags=suncc_flags
2296     suncc_flags(){
2297         for flag; do
2298             case $flag in
2299                 -march=*|-mcpu=*)
2300                     case "${flag#*=}" in
2301                         native)                   echo -xtarget=native       ;;
2302                         v9|niagara)               echo -xarch=sparc          ;;
2303                         ultrasparc)               echo -xarch=sparcvis       ;;
2304                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2305                         i586|pentium)             echo -xchip=pentium        ;;
2306                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2307                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2308                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2309                         pentium4*)          echo -xtarget=pentium4           ;;
2310                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2311                         *-sse3)             echo -xarch=sse3                 ;;
2312                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2313                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2314                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2315                         k8|opteron|athlon64|athlon-fx)
2316                                                   echo -xarch=sse2a          ;;
2317                         athlon*)                  echo -xarch=pentium_proa   ;;
2318                     esac
2319                     ;;
2320                 -std=c99)             echo -xc99              ;;
2321                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2322                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2323                 -W*,*)                echo $flag              ;;
2324                 -f*-*|-W*)                                    ;;
2325                 *)                    echo $flag              ;;
2326             esac
2327         done
2328     }
2329 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2330     cc_type=pathscale
2331     cc_version=__PATHSCALE__
2332     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2333     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2334     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2335     speed_cflags='-O2'
2336     size_cflags='-Os'
2337     filter_cflags='filter_out -Wdisabled-optimization'
2338 elif $cc -v 2>&1 | grep -q Open64; then
2339     cc_type=open64
2340     cc_version=__OPEN64__
2341     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2342     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2343     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2344     speed_cflags='-O2'
2345     size_cflags='-Os'
2346     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2347 elif $cc -V 2>&1 | grep -q Portland; then
2348     cc_type=pgi
2349     cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2350     cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2351     opt_common='-alias=ansi -Mlre -Mpre'
2352     speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2353     size_cflags="-O2 -Munroll=c:1 $opt_common"
2354     noopt_cflags="-O1"
2355     filter_cflags=pgi_flags
2356     pgi_flags(){
2357         for flag; do
2358             case $flag in
2359                 -fomit-frame-pointer) echo -Mnoframe ;;
2360                 -g)                   echo -gopt ;;
2361                 *)                    echo $flag ;;
2362             esac
2363         done
2364     }
2365 fi
2366
2367 test -n "$cc_type" && enable $cc_type ||
2368     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2369
2370 : ${as_default:=$cc}
2371 : ${dep_cc_default:=$cc}
2372 : ${ld_default:=$cc}
2373 set_default ar as dep_cc ld
2374
2375 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2376 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2377 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2378
2379 add_cflags $extra_cflags
2380 add_cxxflags $extra_cxxflags
2381 add_asflags $extra_cflags
2382
2383 if test -n "$sysroot"; then
2384     case "$cc_type" in
2385         gcc|llvm_gcc|clang)
2386             add_cppflags --sysroot="$sysroot"
2387             add_ldflags --sysroot="$sysroot"
2388         ;;
2389         tms470)
2390             add_cppflags -I"$sysinclude"
2391             add_ldflags  --sysroot="$sysroot"
2392         ;;
2393     esac
2394 fi
2395
2396 if test "$cpu" = host; then
2397     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2398
2399     case "$cc_type" in
2400         gcc|llvm_gcc)
2401             check_native(){
2402                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2403                 sed -n "/cc1.*$1=/{
2404                             s/.*$1=\\([^ ]*\\).*/\\1/
2405                             p
2406                             q
2407                         }" $TMPE
2408             }
2409             cpu=$(check_native -march || check_native -mcpu)
2410         ;;
2411     esac
2412
2413     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2414 fi
2415
2416 # Deal with common $arch aliases
2417 case "$arch" in
2418     arm*|iPad*)
2419         arch="arm"
2420     ;;
2421     mips|mipsel|IP*)
2422         arch="mips"
2423     ;;
2424     mips64*)
2425         arch="mips"
2426         subarch="mips64"
2427     ;;
2428     parisc|hppa)
2429         arch="parisc"
2430     ;;
2431     parisc64|hppa64)
2432         arch="parisc"
2433         subarch="parisc64"
2434     ;;
2435     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2436         arch="ppc"
2437     ;;
2438     s390|s390x)
2439         arch="s390"
2440     ;;
2441     sh4|sh)
2442         arch="sh4"
2443     ;;
2444     sun4u|sparc64)
2445         arch="sparc"
2446         subarch="sparc64"
2447     ;;
2448     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2449         arch="x86"
2450     ;;
2451 esac
2452
2453 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2454 enable $arch
2455
2456 # Add processor-specific flags
2457 if test "$cpu" = generic; then
2458     : do nothing
2459 elif enabled ppc; then
2460
2461     case $(tolower $cpu) in
2462         601|ppc601|powerpc601)
2463             cpuflags="-mcpu=601"
2464             disable altivec
2465         ;;
2466         603*|ppc603*|powerpc603*)
2467             cpuflags="-mcpu=603"
2468             disable altivec
2469         ;;
2470         604*|ppc604*|powerpc604*)
2471             cpuflags="-mcpu=604"
2472             disable altivec
2473         ;;
2474         g3|75*|ppc75*|powerpc75*)
2475             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2476             disable altivec
2477         ;;
2478         g4|745*|ppc745*|powerpc745*)
2479             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2480         ;;
2481         74*|ppc74*|powerpc74*)
2482             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2483         ;;
2484         g5|970|ppc970|powerpc970)
2485             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2486         ;;
2487         power[3-7]*)
2488             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2489         ;;
2490         cell)
2491             cpuflags="-mcpu=cell"
2492             enable ldbrx
2493         ;;
2494         e500v2)
2495             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2496             disable altivec
2497         ;;
2498         e500)
2499             cpuflags="-mcpu=8540 -mhard-float"
2500             disable altivec
2501         ;;
2502     esac
2503
2504 elif enabled x86; then
2505
2506     case $cpu in
2507         i[345]86|pentium)
2508             cpuflags="-march=$cpu"
2509             disable mmx
2510         ;;
2511         # targets that do NOT support conditional mov (cmov)
2512         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2513             cpuflags="-march=$cpu"
2514             disable cmov
2515         ;;
2516         # targets that do support conditional mov (cmov)
2517         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2518             cpuflags="-march=$cpu"
2519             enable cmov
2520             enable fast_cmov
2521         ;;
2522         # targets that do support conditional mov but on which it's slow
2523         pentium4|pentium4m|prescott|nocona)
2524             cpuflags="-march=$cpu"
2525             enable cmov
2526             disable fast_cmov
2527         ;;
2528     esac
2529
2530 elif enabled sparc; then
2531
2532     case $cpu in
2533         niagara)
2534             cpuflags="-mcpu=$cpu"
2535             disable vis
2536         ;;
2537         sparc64)
2538             cpuflags="-mcpu=v9"
2539         ;;
2540     esac
2541
2542 elif enabled arm; then
2543
2544     case $cpu in
2545         armv*)
2546             cpuflags="-march=$cpu"
2547             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2548         ;;
2549         *)
2550             cpuflags="-mcpu=$cpu"
2551             case $cpu in
2552                 cortex-a*)                               subarch=armv7a  ;;
2553                 cortex-r*)                               subarch=armv7r  ;;
2554                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2555                 arm11*)                                  subarch=armv6   ;;
2556                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2557                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2558             esac
2559         ;;
2560     esac
2561
2562 elif enabled alpha; then
2563
2564     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2565
2566 elif enabled bfin; then
2567
2568     cpuflags="-mcpu=$cpu"
2569
2570 elif enabled mips; then
2571
2572     cpuflags="-march=$cpu"
2573
2574 elif enabled avr32; then
2575
2576     case $cpu in
2577         ap7[02]0[0-2])
2578             subarch="avr32_ap"
2579             cpuflags="-mpart=$cpu"
2580         ;;
2581         ap)
2582             subarch="avr32_ap"
2583             cpuflags="-march=$cpu"
2584         ;;
2585         uc3[ab]*)
2586             subarch="avr32_uc"
2587             cpuflags="-mcpu=$cpu"
2588         ;;
2589         uc)
2590             subarch="avr32_uc"
2591             cpuflags="-march=$cpu"
2592         ;;
2593     esac
2594
2595 fi
2596
2597 add_cflags $cpuflags
2598 add_asflags $cpuflags
2599
2600 # compiler sanity check
2601 check_exec <<EOF
2602 int main(void){ return 0; }
2603 EOF
2604 if test "$?" != 0; then
2605     echo "$cc is unable to create an executable file."
2606     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2607         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2608         echo "Only do this if you know what cross compiling means."
2609     fi
2610     die "C compiler test failed."
2611 fi
2612
2613 add_cppflags -D_ISOC99_SOURCE
2614 add_cxxflags -D__STDC_CONSTANT_MACROS
2615 check_cflags -std=c99
2616 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2617 #include <stdlib.h>
2618 EOF
2619 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2620 #include <stdlib.h>
2621 EOF
2622
2623 check_host_cflags -std=c99
2624 check_host_cflags -Wall
2625
2626 case "$arch" in
2627     alpha|ia64|mips|parisc|sparc)
2628         spic=$shared
2629     ;;
2630     x86)
2631         subarch="x86_32"
2632         check_cc <<EOF && subarch="x86_64"
2633         int test[(int)sizeof(char*) - 7];
2634 EOF
2635         if test "$subarch" = "x86_64"; then
2636             spic=$shared
2637         fi
2638     ;;
2639     ppc)
2640         check_cc <<EOF && subarch="ppc64"
2641         int test[(int)sizeof(char*) - 7];
2642 EOF
2643     ;;
2644 esac
2645
2646 enable $subarch
2647 enabled spic && enable pic
2648
2649 # OS specific
2650 case $target_os in
2651     haiku)
2652         prefix_default="/boot/common"
2653         network_extralibs="-lnetwork"
2654         host_libs=
2655         ;;
2656     sunos)
2657         FFSERVERLDFLAGS=""
2658         SHFLAGS='-shared -Wl,-h,$$(@F)'
2659         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2660         network_extralibs="-lsocket -lnsl"
2661         add_cppflags -D__EXTENSIONS__
2662         # When using suncc to build, the Solaris linker will mark
2663         # an executable with each instruction set encountered by
2664         # the Solaris assembler.  As our libraries contain their own
2665         # guards for processor-specific code, instead suppress
2666         # generation of the HWCAPS ELF section on Solaris x86 only.
2667         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2668         nm_opts='-P -g'
2669         ;;
2670     netbsd)
2671         disable symver
2672         oss_indev_extralibs="-lossaudio"
2673         oss_outdev_extralibs="-lossaudio"
2674         ;;
2675     openbsd)
2676         # On OpenBSD 4.5. the compiler does not use PIC unless
2677         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2678         # however the generated executable will not do anything
2679         # (simply quits with exit-code 1, no crash, no output).
2680         # Thus explicitly enable PIC here.
2681         enable pic
2682         disable symver
2683         SHFLAGS='-shared'
2684         oss_indev_extralibs="-lossaudio"
2685         oss_outdev_extralibs="-lossaudio"
2686         ;;
2687     dragonfly)
2688         disable symver
2689         ;;
2690     freebsd)
2691         ;;
2692     bsd/os)
2693         add_extralibs -lpoll -lgnugetopt
2694         strip="strip -d"
2695         ;;
2696     darwin)
2697         gas="gas-preprocessor.pl $cc"
2698         enabled ppc && add_asflags -force_cpusubtype_ALL
2699         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2700         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2701         strip="${strip} -x"
2702         add_ldflags -Wl,-dynamic,-search_paths_first
2703         SLIBSUF=".dylib"
2704         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2705         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2706         FFSERVERLDFLAGS=-Wl,-bind_at_load
2707         objformat="macho"
2708         enabled x86_64 && objformat="macho64"
2709         enabled_any pic shared ||
2710             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2711         ;;
2712     mingw32*)
2713         if test $target_os = "mingw32ce"; then
2714             disable network
2715         else
2716             target_os=mingw32
2717         fi
2718         LIBTARGET=i386
2719         if enabled x86_64; then
2720             LIBTARGET=x64
2721         elif enabled arm; then
2722             LIBTARGET=arm-wince
2723         fi
2724         shlibdir_default="$bindir_default"
2725         SLIBPREF=""
2726         SLIBSUF=".dll"
2727         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2728         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2729         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2730         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2731         SLIB_INSTALL_LINKS=
2732         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2733         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2734         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'
2735         objformat="win32"
2736         enable dos_paths
2737         check_cflags -fno-common
2738         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2739                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2740                 die "ERROR: MinGW runtime version must be >= 3.15."
2741         add_cppflags -U__STRICT_ANSI__
2742         ;;
2743     cygwin*)
2744         target_os=cygwin
2745         shlibdir_default="$bindir_default"
2746         SLIBPREF="cyg"
2747         SLIBSUF=".dll"
2748         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2749         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2750         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2751         objformat="win32"
2752         enable dos_paths
2753         check_cflags -fno-common
2754         add_cppflags -U__STRICT_ANSI__
2755         ;;
2756     *-dos|freedos|opendos)
2757         network_extralibs="-lsocket"
2758         objformat="coff"
2759         enable dos_paths
2760         add_cppflags -U__STRICT_ANSI__
2761         ;;
2762     linux)
2763         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2764         enable dv1394
2765         ;;
2766     irix*)
2767         target_os=irix
2768         ranlib="echo ignoring ranlib"
2769         ;;
2770     os/2*)
2771         strip="lxlite -CS"
2772         ln_s="cp -f"
2773         objformat="aout"
2774         add_cppflags -D_GNU_SOURCE
2775         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2776         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2777         FFSERVERLDFLAGS=""
2778         LIBSUF="_s.a"
2779         SLIBPREF=""
2780         SLIBSUF=".dll"
2781         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2782         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2783         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2784           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2785           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2786           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2787           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2788           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2789         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2790           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2791         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2792         enable dos_paths
2793         enable_weak os2threads
2794         ;;
2795     gnu/kfreebsd)
2796         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2797         ;;
2798     gnu)
2799         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2800         ;;
2801     qnx)
2802         add_cppflags -D_QNX_SOURCE
2803         network_extralibs="-lsocket"
2804         ;;
2805     symbian)
2806         SLIBSUF=".dll"
2807         enable dos_paths
2808         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2809         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2810         add_ldflags -Wl,--target1-abs,--no-undefined \
2811                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2812                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2813         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2814                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2815                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2816         ;;
2817     none)
2818         ;;
2819     *)
2820         die "Unknown OS '$target_os'."
2821         ;;
2822 esac
2823
2824 esc(){
2825     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2826 }
2827
2828 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
2829
2830 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2831
2832 set_default $PATHS_LIST
2833
2834 # we need to build at least one lib type
2835 if ! enabled_any static shared; then
2836     cat <<EOF
2837 At least one library type must be built.
2838 Specify --enable-static to build the static libraries or --enable-shared to
2839 build the shared libraries as well. To only build the shared libraries specify
2840 --disable-static in addition to --enable-shared.
2841 EOF
2842     exit 1;
2843 fi
2844
2845 die_license_disabled() {
2846     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2847 }
2848
2849 die_license_disabled gpl libcdio
2850 die_license_disabled gpl libutvideo
2851 die_license_disabled gpl libx264
2852 die_license_disabled gpl libxavs
2853 die_license_disabled gpl libxvid
2854 die_license_disabled gpl x11grab
2855
2856 die_license_disabled nonfree libaacplus
2857 die_license_disabled nonfree libfaac
2858 die_license_disabled nonfree openssl
2859
2860 die_license_disabled version3 libopencore_amrnb
2861 die_license_disabled version3 libopencore_amrwb
2862 die_license_disabled version3 libvo_aacenc
2863 die_license_disabled version3 libvo_amrwbenc
2864
2865 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2866
2867 disabled optimizations || check_cflags -fomit-frame-pointer
2868
2869 enable_pic() {
2870     enable pic
2871     add_cppflags -DPIC
2872     add_cflags   -fPIC
2873     add_asflags  -fPIC
2874 }
2875
2876 enabled pic && enable_pic
2877
2878 check_cc <<EOF || die "Symbol mangling check failed."
2879 int ff_extern;
2880 EOF
2881 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2882 extern_prefix=${sym%%ff_extern*}
2883
2884 check_cc <<EOF && enable inline_asm
2885 void foo(void) { __asm__ volatile ("" ::); }
2886 EOF
2887
2888 _restrict=
2889 for restrict_keyword in restrict __restrict__ __restrict; do
2890     check_cc <<EOF && _restrict=$restrict_keyword && break
2891 void foo(char * $restrict_keyword p);
2892 EOF
2893 done
2894
2895 check_cc <<EOF && enable attribute_packed
2896 struct { int x; } __attribute__((packed)) x;
2897 EOF
2898
2899 check_cc <<EOF && enable attribute_may_alias
2900 union { int x; } __attribute__((may_alias)) x;
2901 EOF
2902
2903 check_cc <<EOF || die "endian test failed"
2904 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2905 EOF
2906 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2907
2908 if enabled alpha; then
2909
2910     check_cflags -mieee
2911
2912 elif enabled arm; then
2913
2914     enabled thumb && check_cflags -mthumb || check_cflags -marm
2915     nogas=die
2916
2917     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2918         enable vfp_args
2919     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2920         case "${cross_prefix:-$cc}" in
2921             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2922             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2923 __asm__ (".eabi_attribute 28, 1");
2924 int main(void) { return 0; }
2925 EOF
2926         esac
2927         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2928     fi
2929
2930     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2931     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2932     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2933     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2934     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2935     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2936
2937     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2938
2939     enabled_all armv6t2 shared !pic && enable_pic
2940
2941 elif enabled mips; then
2942
2943     check_asm loongson '"dmult.g $1, $2, $3"'
2944     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2945
2946 elif enabled ppc; then
2947
2948     enable local_aligned_8 local_aligned_16
2949
2950     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2951     check_asm ibm_asm   '"add 0, 0, 0"'
2952     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2953     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2954
2955     # AltiVec flags: The FSF version of GCC differs from the Apple version
2956     if enabled altivec; then
2957         nogas=warn
2958         check_cflags -maltivec -mabi=altivec &&
2959         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2960         check_cflags -faltivec
2961
2962         # check if our compiler supports Motorola AltiVec C API
2963         check_cc <<EOF || disable altivec
2964 $inc_altivec_h
2965 int main(void) {
2966     vector signed int v1, v2, v3;
2967     v1 = vec_add(v2,v3);
2968     return 0;
2969 }
2970 EOF
2971
2972         # check if our compiler supports braces for vector declarations
2973         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2974 $inc_altivec_h
2975 int main (void) { (vector int) {1}; return 0; }
2976 EOF
2977     fi
2978
2979 elif enabled sparc; then
2980
2981     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2982         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2983
2984 elif enabled x86; then
2985
2986     enable local_aligned_8 local_aligned_16
2987
2988     # check whether EBP is available on x86
2989     # As 'i' is stored on the stack, this program will crash
2990     # if the base pointer is used to access it because the
2991     # base pointer is cleared in the inline assembly code.
2992     check_exec_crash <<EOF && enable ebp_available
2993     volatile int i=0;
2994     __asm__ volatile (
2995         "xorl %%ebp, %%ebp"
2996     ::: "%ebp");
2997     return i;
2998 EOF
2999
3000     # check whether EBX is available on x86
3001     check_asm ebx_available '""::"b"(0)' &&
3002         check_asm ebx_available '"":::"%ebx"'
3003
3004     # check whether xmm clobbers are supported
3005     check_asm xmm_clobbers '"":::"%xmm0"'
3006
3007     # check whether binutils is new enough to compile SSSE3/MMX2
3008     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
3009     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
3010
3011     if ! disabled_any asm mmx yasm; then
3012         if check_cmd $yasmexe --version; then
3013             enabled x86_64 && yasm_extra="-m amd64"
3014             yasm_debug="-g dwarf2"
3015         elif check_cmd nasm -v; then
3016             yasmexe=nasm
3017             yasm_debug="-g -F dwarf"
3018             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3019         fi
3020
3021         YASMFLAGS="-f $objformat $yasm_extra"
3022         enabled pic               && append YASMFLAGS "-DPIC"
3023         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3024         case "$objformat" in
3025             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3026         esac
3027
3028         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3029             die "yasm not found, use --disable-yasm for a crippled build"
3030         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3031     fi
3032
3033     case "$cpu" in
3034         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3035             disable fast_clz
3036         ;;
3037     esac
3038
3039 fi
3040
3041 if enabled asm; then
3042     as=${gas:=$as}
3043     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3044         $nogas "GNU assembler not found, install gas-preprocessor"
3045 fi
3046
3047 check_ldflags -Wl,--as-needed
3048
3049 if check_func dlopen; then
3050     ldl=
3051 elif check_func dlopen -ldl; then
3052     ldl=-ldl
3053 fi
3054
3055 if enabled network; then
3056     check_type "sys/types.h sys/socket.h" socklen_t
3057     check_type netdb.h "struct addrinfo"
3058     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3059     check_type netinet/in.h "struct sockaddr_in6"
3060     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3061     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3062     # Prefer arpa/inet.h over winsock2
3063     if check_header arpa/inet.h ; then
3064         check_func closesocket
3065     elif check_header winsock2.h ; then
3066         check_func_headers winsock2.h closesocket -lws2 && \
3067             network_extralibs="-lws2" || \
3068         { check_func_headers winsock2.h closesocket -lws2_32 && \
3069             network_extralibs="-lws2_32"; }
3070         check_type ws2tcpip.h socklen_t
3071         check_type ws2tcpip.h "struct addrinfo"
3072         check_type ws2tcpip.h "struct ipv6_mreq"
3073         check_type ws2tcpip.h "struct sockaddr_in6"
3074         check_type ws2tcpip.h "struct sockaddr_storage"
3075         check_struct winsock2.h "struct sockaddr" sa_len
3076     else
3077         disable network
3078     fi
3079 fi
3080
3081 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3082 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3083
3084 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3085 check_func  fcntl
3086 check_func  fork
3087 check_func  getaddrinfo $network_extralibs
3088 check_func  gethrtime
3089 check_func  getrusage
3090 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3091 check_func  inet_aton $network_extralibs
3092 check_func  isatty
3093 check_func  localtime_r
3094 check_func  ${malloc_prefix}memalign            && enable memalign
3095 check_func  mkstemp
3096 check_func  mmap
3097 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3098 check_func  setrlimit
3099 check_func  strerror_r
3100 check_func  strptime
3101 check_func  sched_getaffinity
3102 check_func  sysconf
3103 check_func  sysctl
3104 check_func_headers conio.h kbhit
3105 check_func_headers windows.h PeekNamedPipe
3106 check_func_headers io.h setmode
3107 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3108 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3109 check_func_headers windows.h GetProcessAffinityMask
3110 check_func_headers windows.h GetProcessTimes
3111 check_func_headers windows.h MapViewOfFile
3112 check_func_headers windows.h VirtualAlloc
3113 check_func_headers glob.h glob
3114
3115 check_header dlfcn.h
3116 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3117 check_header libcrystalhd/libcrystalhd_if.h
3118 check_header malloc.h
3119 check_header poll.h
3120 check_header sys/mman.h
3121 check_header sys/param.h
3122 check_header sys/resource.h
3123 check_header sys/select.h
3124 check_header termios.h
3125 check_header vdpau/vdpau.h
3126 check_header vdpau/vdpau_x11.h
3127 check_header X11/extensions/XvMClib.h
3128 check_header asm/types.h
3129
3130 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3131 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3132
3133 # check for VDA header
3134 if ! disabled vda; then
3135     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3136         enable vda
3137         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3138     fi
3139 fi
3140
3141 if ! disabled w32threads && ! enabled pthreads; then
3142     check_func _beginthreadex && enable w32threads
3143 fi
3144
3145 # check for some common methods of building with pthread support
3146 # do this before the optional library checks as some of them require pthreads
3147 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3148     enable pthreads
3149     if check_func pthread_create; then
3150         :
3151     elif check_func pthread_create -pthread; then
3152         add_cflags -pthread
3153         add_extralibs -pthread
3154     elif check_func pthread_create -pthreads; then
3155         add_cflags -pthreads
3156         add_extralibs -pthreads
3157     elif check_func pthread_create -lpthreadGC2; then
3158         add_extralibs -lpthreadGC2
3159     elif ! check_lib pthread.h pthread_create -lpthread; then
3160         disable pthreads
3161     fi
3162 fi
3163
3164 for thread in $THREADS_LIST; do
3165     if enabled $thread; then
3166         test -n "$thread_type" &&
3167             die "ERROR: Only one thread type must be selected." ||
3168             thread_type="$thread"
3169     fi
3170 done
3171
3172 check_lib math.h sin -lm && LIBM="-lm"
3173 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3174 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3175
3176 check_mathfunc cbrtf
3177 check_mathfunc exp2
3178 check_mathfunc exp2f
3179 check_mathfunc llrint
3180 check_mathfunc llrintf
3181 check_mathfunc log2
3182 check_mathfunc log2f
3183 check_mathfunc lrint
3184 check_mathfunc lrintf
3185 check_mathfunc round
3186 check_mathfunc roundf
3187 check_mathfunc trunc
3188 check_mathfunc truncf
3189
3190 # these are off by default, so fail if requested and not available
3191 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3192 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3193 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3194 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3195 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3196 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3197 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3198 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3199                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3200                         die "ERROR: libcelt version must be >= 0.11.0."; }
3201 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3202 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3203 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3204 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3205 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3206 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3207 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3208 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3209 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3210 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3211 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3212 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3213 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3214 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3215 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3216     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3217     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3218 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3219 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3220 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3221 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3222 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3223 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3224 enabled libvpx     && {
3225     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3226                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3227     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3228                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3229 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3230                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3231                         die "ERROR: libx264 version must be >= 0.118."; }
3232 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3233 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3234 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3235                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3236                         die "ERROR: openal not found"; } &&
3237                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3238                         die "ERROR: openal version must be 1.1 or compatible"; }
3239 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3240                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3241                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3242                         die "ERROR: openssl not found"; }
3243
3244 # libdc1394 check
3245 if enabled libdc1394; then
3246     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3247         enable libdc1394_2; } ||
3248     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3249         enable libdc1394_1; } ||
3250     die "ERROR: No version of libdc1394 found "
3251 fi
3252
3253 SDL_CONFIG="${cross_prefix}sdl-config"
3254 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3255     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3256     enable sdl &&
3257     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3258 else
3259   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3260     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3261     sdl_libs=$("${SDL_CONFIG}" --libs)
3262     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3263     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3264     enable sdl &&
3265     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3266   fi
3267 fi
3268 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3269
3270 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3271 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3272
3273 check_header linux/fb.h
3274 check_header linux/videodev.h
3275 check_header linux/videodev2.h
3276 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3277
3278 check_header sys/videoio.h
3279
3280 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3281 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3282 # w32api 3.12 had it defined wrong
3283 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3284
3285 check_type "dshow.h" IBaseFilter
3286
3287 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3288 { check_header dev/bktr/ioctl_meteor.h &&
3289   check_header dev/bktr/ioctl_bt848.h; } ||
3290 { check_header machine/ioctl_meteor.h &&
3291   check_header machine/ioctl_bt848.h; } ||
3292 { check_header dev/video/meteor/ioctl_meteor.h &&
3293   check_header dev/video/bktr/ioctl_bt848.h; } ||
3294 check_header dev/ic/bt8xx.h
3295
3296 check_header sndio.h
3297 if check_struct sys/soundcard.h audio_buf_info bytes; then
3298     enable_safe sys/soundcard.h
3299 else
3300     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3301     #include <sys/soundcard.h>
3302     audio_buf_info abc;
3303 EOF
3304 fi
3305 check_header soundcard.h
3306
3307 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3308
3309 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3310
3311 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3312
3313 enabled libcdio &&
3314     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3315
3316 enabled x11grab                                           &&
3317 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3318 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3319 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3320
3321 if ! disabled vaapi; then
3322     check_lib va/va.h vaInitialize -lva && {
3323         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3324         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3325     } || disable vaapi
3326 fi
3327
3328 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3329 check_cpp_condition \
3330     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3331     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3332       disable vdpau; }
3333 fi
3334
3335 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3336 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3337 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"
3338
3339 # add some useful compiler flags if supported
3340 check_cflags -Wdeclaration-after-statement
3341 check_cflags -Wall
3342 check_cflags -Wno-parentheses
3343 check_cflags -Wno-switch
3344 check_cflags -Wno-format-zero-length
3345 check_cflags -Wdisabled-optimization
3346 check_cflags -Wpointer-arith
3347 check_cflags -Wredundant-decls
3348 check_cflags -Wno-pointer-sign
3349 check_cflags -Wwrite-strings
3350 check_cflags -Wtype-limits
3351 check_cflags -Wundef
3352 check_cflags -Wmissing-prototypes
3353 check_cflags -Wno-pointer-to-int-cast
3354 check_cflags -Wstrict-prototypes
3355 enabled extra_warnings && check_cflags -Winline
3356
3357 # add some linker flags
3358 check_ldflags -Wl,--warn-common
3359 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3360 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3361
3362 enabled xmm_clobber_test &&                             \
3363     check_ldflags -Wl,--wrap,avcodec_open2              \
3364                   -Wl,--wrap,avcodec_decode_audio4      \
3365                   -Wl,--wrap,avcodec_decode_video2      \
3366                   -Wl,--wrap,avcodec_decode_subtitle2   \
3367                   -Wl,--wrap,avcodec_encode_audio2      \
3368                   -Wl,--wrap,avcodec_encode_video       \
3369                   -Wl,--wrap,avcodec_encode_subtitle    \
3370                   -Wl,--wrap,sws_scale ||               \
3371     disable xmm_clobber_test
3372
3373 echo "X{};" > $TMPV
3374 if test_ldflags -Wl,--version-script,$TMPV; then
3375     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3376     check_cc <<EOF && enable symver_asm_label
3377 void ff_foo(void) __asm__ ("av_foo@VERSION");
3378 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3379 EOF
3380     check_cc <<EOF && enable symver_gnu_asm
3381 __asm__(".symver ff_foo,av_foo@VERSION");
3382 void ff_foo(void) {}
3383 EOF
3384 fi
3385
3386 if [ -n "$optflags" ]; then
3387     add_cflags $optflags
3388 elif enabled small; then
3389     add_cflags $size_cflags
3390 elif enabled optimizations; then
3391     add_cflags $speed_cflags
3392 else
3393     add_cflags $noopt_cflags
3394 fi
3395 check_cflags -fno-math-errno
3396 check_cflags -fno-signed-zeros
3397 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3398 int x;
3399 EOF
3400
3401
3402 if enabled icc; then
3403     # Just warnings, no remarks
3404     check_cflags -w1
3405     # -wd: Disable following warnings
3406     # 144, 167, 556: -Wno-pointer-sign
3407     # 1292: attribute "foo" ignored
3408     # 1419: external declaration in primary source file
3409     # 10006: ignoring unknown option -fno-signed-zeros
3410     # 10148: ignoring unknown option -Wno-parentheses
3411     # 10156: ignoring option '-W'; no argument required
3412     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3413     # 11030: Warning unknown option --as-needed
3414     # 10156: ignoring option '-export'; no argument required
3415     check_ldflags -wd10156,11030
3416     # Allow to compile with optimizations
3417     check_ldflags -march=$cpu
3418     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3419     enable ebp_available
3420     if enabled x86_32; then
3421         test ${icc_version%%.*} -ge 11 && \
3422             check_cflags -falign-stack=maintain-16-byte || \
3423             disable aligned_stack
3424     fi
3425 elif enabled ccc; then
3426     # disable some annoying warnings
3427     add_cflags -msg_disable cvtu32to64
3428     add_cflags -msg_disable embedcomment
3429     add_cflags -msg_disable needconstext
3430     add_cflags -msg_disable nomainieee
3431     add_cflags -msg_disable ptrmismatch1
3432     add_cflags -msg_disable unreachcode
3433 elif enabled gcc; then
3434     check_cflags -fno-tree-vectorize
3435     check_cflags -Werror=implicit-function-declaration
3436     check_cflags -Werror=missing-prototypes
3437 elif enabled llvm_gcc; then
3438     check_cflags -mllvm -stack-alignment=16
3439 elif enabled clang; then
3440     check_cflags -mllvm -stack-alignment=16
3441     check_cflags -Qunused-arguments
3442 elif enabled armcc; then
3443     # 2523: use of inline assembler is deprecated
3444     add_cflags -W${armcc_opt},--diag_suppress=2523
3445     add_cflags -W${armcc_opt},--diag_suppress=1207
3446     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3447     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3448     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3449     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3450 elif enabled tms470; then
3451     add_cflags -pds=824 -pds=837
3452 elif enabled pathscale; then
3453     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3454 fi
3455
3456 enabled_any $THREADS_LIST      && enable threads
3457
3458 check_deps $CONFIG_LIST       \
3459            $CONFIG_EXTRA      \
3460            $HAVE_LIST         \
3461            $ALL_COMPONENTS    \
3462            $ALL_TESTS         \
3463
3464 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3465
3466 if test $target_os = "haiku"; then
3467     disable memalign
3468     disable posix_memalign
3469 fi
3470
3471 ! enabled_any memalign posix_memalign &&
3472     enabled_any $need_memalign && enable memalign_hack
3473
3474 # add_dep lib dep
3475 # -> enable ${lib}_deps_${dep}
3476 # -> add $dep to ${lib}_deps only once
3477 add_dep() {
3478     lib=$1
3479     dep=$2
3480     enabled "${lib}_deps_${dep}" && return 0
3481     enable  "${lib}_deps_${dep}"
3482     prepend "${lib}_deps" $dep
3483 }
3484
3485 # merge deps lib components
3486 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3487 merge_deps() {
3488     lib=$1
3489     shift
3490     for comp in $*; do
3491         enabled $comp || continue
3492         eval "dep=\"\$${comp}_deps\""
3493         for d in $dep; do
3494             add_dep $lib $d
3495         done
3496     done
3497 }
3498
3499 merge_deps libavfilter $FILTER_LIST
3500
3501 echo "install prefix            $prefix"
3502 echo "source path               $source_path"
3503 echo "C compiler                $cc"
3504 echo "ARCH                      $arch ($cpu)"
3505 if test "$build_suffix" != ""; then
3506     echo "build suffix              $build_suffix"
3507 fi
3508 if test "$progs_suffix" != ""; then
3509     echo "progs suffix              $progs_suffix"
3510 fi
3511 if test "$extra_version" != ""; then
3512     echo "version string suffix     $extra_version"
3513 fi
3514 echo "big-endian                ${bigendian-no}"
3515 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3516 if enabled x86; then
3517     echo "${yasmexe}                      ${yasm-no}"
3518     echo "MMX enabled               ${mmx-no}"
3519     echo "MMX2 enabled              ${mmx2-no}"
3520     echo "3DNow! enabled            ${amd3dnow-no}"
3521     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3522     echo "SSE enabled               ${sse-no}"
3523     echo "SSSE3 enabled             ${ssse3-no}"
3524     echo "AVX enabled               ${avx-no}"
3525     echo "CMOV enabled              ${cmov-no}"
3526     echo "CMOV is fast              ${fast_cmov-no}"
3527     echo "EBX available             ${ebx_available-no}"
3528     echo "EBP available             ${ebp_available-no}"
3529 fi
3530 if enabled arm; then
3531     echo "ARMv5TE enabled           ${armv5te-no}"
3532     echo "ARMv6 enabled             ${armv6-no}"
3533     echo "ARMv6T2 enabled           ${armv6t2-no}"
3534     echo "ARM VFP enabled           ${armvfp-no}"
3535     echo "NEON enabled              ${neon-no}"
3536 fi
3537 if enabled mips; then
3538     echo "MMI enabled               ${mmi-no}"
3539 fi
3540 if enabled ppc; then
3541     echo "AltiVec enabled           ${altivec-no}"
3542     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3543     echo "dcbzl available           ${dcbzl-no}"
3544 fi
3545 if enabled sparc; then
3546     echo "VIS enabled               ${vis-no}"
3547 fi
3548 echo "debug symbols             ${debug-no}"
3549 echo "strip symbols             ${stripping-no}"
3550 echo "optimize for size         ${small-no}"
3551 echo "optimizations             ${optimizations-no}"
3552 echo "static                    ${static-no}"
3553 echo "shared                    ${shared-no}"
3554 echo "postprocessing support    ${postproc-no}"
3555 echo "new filter support        ${avfilter-no}"
3556 echo "network support           ${network-no}"
3557 echo "threading support         ${thread_type-no}"
3558 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3559 echo "SDL support               ${sdl-no}"
3560 echo "libdxva2 enabled          ${dxva2-no}"
3561 echo "libva enabled             ${vaapi-no}"
3562 echo "libvdpau enabled          ${vdpau-no}"
3563 echo "AVISynth enabled          ${avisynth-no}"
3564 echo "frei0r enabled            ${frei0r-no}"
3565 echo "gnutls enabled            ${gnutls-no}"
3566 echo "libaacplus enabled        ${libaacplus-no}"
3567 echo "libass enabled            ${libass-no}"
3568 echo "libcdio support           ${libcdio-no}"
3569 echo "libcelt enabled           ${libcelt-no}"
3570 echo "libdc1394 support         ${libdc1394-no}"
3571 echo "libfaac enabled           ${libfaac-no}"
3572 echo "libgsm enabled            ${libgsm-no}"
3573 echo "libmodplug enabled        ${libmodplug-no}"
3574 echo "libmp3lame enabled        ${libmp3lame-no}"
3575 echo "libnut enabled            ${libnut-no}"
3576 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3577 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3578 echo "libopencv support         ${libopencv-no}"
3579 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3580 echo "libpulse enabled          ${libpulse-no}"
3581 echo "librtmp enabled           ${librtmp-no}"
3582 echo "libschroedinger enabled   ${libschroedinger-no}"
3583 echo "libspeex enabled          ${libspeex-no}"
3584 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3585 echo "libtheora enabled         ${libtheora-no}"
3586 echo "libutvideo enabled        ${libutvideo-no}"
3587 echo "libv4l2 enabled           ${libv4l2-no}"
3588 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3589 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3590 echo "libvorbis enabled         ${libvorbis-no}"
3591 echo "libvpx enabled            ${libvpx-no}"
3592 echo "libx264 enabled           ${libx264-no}"
3593 echo "libxavs enabled           ${libxavs-no}"
3594 echo "libxvid enabled           ${libxvid-no}"
3595 echo "openal enabled            ${openal-no}"
3596 echo "openssl enabled           ${openssl-no}"
3597 echo "zlib enabled              ${zlib-no}"
3598 echo "bzlib enabled             ${bzlib-no}"
3599 echo
3600
3601 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3602     echo "Enabled ${type}s:"
3603     eval list=\$$(toupper $type)_LIST
3604     print_enabled '_*' $list | sort | pr -r -3 -t
3605     echo
3606 done
3607
3608 license="LGPL version 2.1 or later"
3609 if enabled nonfree; then
3610     license="nonfree and unredistributable"
3611 elif enabled gplv3; then
3612     license="GPL version 3 or later"
3613 elif enabled lgplv3; then
3614     license="LGPL version 3 or later"
3615 elif enabled gpl; then
3616     license="GPL version 2 or later"
3617 fi
3618
3619 echo "License: $license"
3620
3621 echo "Creating config.mak and config.h..."
3622
3623 test -e Makefile || $ln_s "$source_path/Makefile" .
3624
3625 enabled stripping || strip="echo skipping strip"
3626
3627 config_files="$TMPH config.mak"
3628
3629 cat > config.mak <<EOF
3630 # Automatically generated by configure - do not modify!
3631 ifndef FFMPEG_CONFIG_MAK
3632 FFMPEG_CONFIG_MAK=1
3633 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3634 prefix=$prefix
3635 LIBDIR=\$(DESTDIR)$libdir
3636 SHLIBDIR=\$(DESTDIR)$shlibdir
3637 INCDIR=\$(DESTDIR)$incdir
3638 BINDIR=\$(DESTDIR)$bindir
3639 DATADIR=\$(DESTDIR)$datadir
3640 MANDIR=\$(DESTDIR)$mandir
3641 SRC_PATH=$source_path
3642 ifndef MAIN_MAKEFILE
3643 SRC_PATH:=\$(SRC_PATH:.%=..%)
3644 endif
3645 CC_IDENT=$cc_ident
3646 ARCH=$arch
3647 CC=$cc
3648 CXX=$cxx
3649 AS=$as
3650 LD=$ld
3651 DEPCC=$dep_cc
3652 YASM=$yasmexe
3653 YASMDEP=$yasmexe
3654 AR=$ar
3655 RANLIB=$ranlib
3656 CP=cp -p
3657 LN_S=$ln_s
3658 STRIP=$strip
3659 CPPFLAGS=$CPPFLAGS
3660 CFLAGS=$CFLAGS
3661 CXXFLAGS=$CXXFLAGS
3662 ASFLAGS=$ASFLAGS
3663 AS_O=$CC_O
3664 CC_O=$CC_O
3665 CXX_O=$CXX_O
3666 LDFLAGS=$LDFLAGS
3667 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3668 SHFLAGS=$SHFLAGS
3669 YASMFLAGS=$YASMFLAGS
3670 BUILDSUF=$build_suffix
3671 PROGSSUF=$progs_suffix
3672 FULLNAME=$FULLNAME
3673 LIBPREF=$LIBPREF
3674 LIBSUF=$LIBSUF
3675 LIBNAME=$LIBNAME
3676 SLIBPREF=$SLIBPREF
3677 SLIBSUF=$SLIBSUF
3678 EXESUF=$EXESUF
3679 EXTRA_VERSION=$extra_version
3680 DEPFLAGS=$DEPFLAGS
3681 CCDEP=$CCDEP
3682 CXXDEP=$CXXDEP
3683 ASDEP=$ASDEP
3684 CC_DEPFLAGS=$CC_DEPFLAGS
3685 AS_DEPFLAGS=$AS_DEPFLAGS
3686 HOSTCC=$host_cc
3687 HOSTCFLAGS=$host_cflags
3688 HOSTEXESUF=$HOSTEXESUF
3689 HOSTLDFLAGS=$host_ldflags
3690 HOSTLIBS=$host_libs
3691 TARGET_EXEC=$target_exec
3692 TARGET_PATH=$target_path
3693 SDL_LIBS=$sdl_libs
3694 SDL_CFLAGS=$sdl_cflags
3695 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3696 EXTRALIBS=$extralibs
3697 INSTALL=$install
3698 LIBTARGET=${LIBTARGET}
3699 SLIBNAME=${SLIBNAME}
3700 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3701 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3702 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3703 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3704 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3705 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3706 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3707 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3708 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3709 NOREDZONE_FLAGS=$noredzone_flags
3710 EOF
3711
3712 get_version(){
3713     name=$1
3714     file=$source_path/$2
3715 # This condition will be removed when we stop supporting old libpostproc versions
3716 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3717     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3718     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3719 fi
3720     lcname=$(tolower $name)
3721     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3722     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3723 }
3724
3725 get_version LIBAVCODEC  libavcodec/version.h
3726 get_version LIBAVDEVICE libavdevice/avdevice.h
3727 get_version LIBAVFILTER libavfilter/version.h
3728 get_version LIBAVFORMAT libavformat/version.h
3729 get_version LIBAVRESAMPLE libavresample/version.h
3730 get_version LIBAVUTIL   libavutil/avutil.h
3731 get_version LIBPOSTPROC libpostproc/postprocess.h
3732 get_version LIBSWRESAMPLE libswresample/swresample.h
3733 get_version LIBSWSCALE  libswscale/swscale.h
3734
3735 cat > $TMPH <<EOF
3736 /* Automatically generated by configure - do not modify! */
3737 #ifndef FFMPEG_CONFIG_H
3738 #define FFMPEG_CONFIG_H
3739 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3740 #define FFMPEG_LICENSE "$(c_escape $license)"
3741 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3742 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3743 #define CC_TYPE "$cc_type"
3744 #define CC_VERSION $cc_version
3745 #define restrict $_restrict
3746 #define EXTERN_PREFIX "${extern_prefix}"
3747 #define EXTERN_ASM ${extern_prefix}
3748 #define SLIBSUF "$SLIBSUF"
3749 EOF
3750
3751 test -n "$assert_level" &&
3752     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
3753
3754 test -n "$malloc_prefix" &&
3755     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3756
3757 if enabled small || disabled optimizations; then
3758     echo "#undef  av_always_inline"  >> $TMPH
3759     if enabled small; then
3760         echo "#define av_always_inline inline"  >> $TMPH
3761     else
3762         echo "#define av_always_inline av_unused"  >> $TMPH
3763     fi
3764 fi
3765
3766 if enabled yasm; then
3767     append config_files $TMPASM
3768     printf '' >$TMPASM
3769 fi
3770
3771 print_config ARCH_   "$config_files" $ARCH_LIST
3772 print_config HAVE_   "$config_files" $HAVE_LIST
3773 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3774                                      $CONFIG_EXTRA      \
3775                                      $ALL_COMPONENTS    \
3776
3777 cat >>config.mak <<EOF
3778 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3779 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3780 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3781 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3782 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3783 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3784 EOF
3785
3786 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3787 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3788
3789 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3790 cp_if_changed $TMPH config.h
3791 touch .config
3792
3793 enabled yasm && cp_if_changed $TMPASM config.asm
3794
3795 cat > $TMPH <<EOF
3796 /* Generated by ffconf */
3797 #ifndef AVUTIL_AVCONFIG_H
3798 #define AVUTIL_AVCONFIG_H
3799 EOF
3800
3801 test "$postproc_version" != current && cat >> $TMPH <<EOF
3802 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3803 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3804 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3805 EOF
3806
3807 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3808
3809 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3810
3811 cp_if_changed $TMPH libavutil/avconfig.h
3812
3813 test -n "$WARNINGS" && printf "\n$WARNINGS"
3814
3815 # build pkg-config files
3816
3817 pkgconfig_generate(){
3818 name=$1
3819 shortname=${name#lib}${build_suffix}
3820 comment=$2
3821 version=$3
3822 libs=$4
3823 requires=$5
3824 enabled ${name#lib} || return 0
3825 mkdir -p $name
3826 cat <<EOF > $name/$name.pc
3827 prefix=$prefix
3828 exec_prefix=\${prefix}
3829 libdir=$libdir
3830 includedir=$incdir
3831
3832 Name: $name
3833 Description: $comment
3834 Version: $version
3835 Requires: $(enabled shared || echo $requires)
3836 Requires.private: $(enabled shared && echo $requires)
3837 Conflicts:
3838 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3839 Libs.private: $(enabled shared && echo $libs)
3840 Cflags: -I\${includedir}
3841 EOF
3842 cat <<EOF > $name/$name-uninstalled.pc
3843 prefix=
3844 exec_prefix=
3845 libdir=\${pcfiledir}
3846 includedir=${source_path}
3847
3848 Name: $name
3849 Description: $comment
3850 Version: $version
3851 Requires: $requires
3852 Conflicts:
3853 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3854 Cflags: -I\${includedir}
3855 EOF
3856 }
3857
3858 libavfilter_pc_deps=""
3859 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3860 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3861 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3862 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3863 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3864 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3865
3866 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
3867 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
3868
3869 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3870 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3871 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3872 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
3873 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3874 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3875 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3876 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3877 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"