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|power4*)
2485             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2486         ;;
2487         cell)
2488             cpuflags="-mcpu=cell"
2489             enable ldbrx
2490         ;;
2491         e500v2)
2492             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2493             disable altivec
2494         ;;
2495         e500)
2496             cpuflags="-mcpu=8540 -mhard-float"
2497             disable altivec
2498         ;;
2499     esac
2500
2501 elif enabled x86; then
2502
2503     case $cpu in
2504         i[345]86|pentium)
2505             cpuflags="-march=$cpu"
2506             disable mmx
2507         ;;
2508         # targets that do NOT support conditional mov (cmov)
2509         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2510             cpuflags="-march=$cpu"
2511             disable cmov
2512         ;;
2513         # targets that do support conditional mov (cmov)
2514         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2515             cpuflags="-march=$cpu"
2516             enable cmov
2517             enable fast_cmov
2518         ;;
2519         # targets that do support conditional mov but on which it's slow
2520         pentium4|pentium4m|prescott|nocona)
2521             cpuflags="-march=$cpu"
2522             enable cmov
2523             disable fast_cmov
2524         ;;
2525     esac
2526
2527 elif enabled sparc; then
2528
2529     case $cpu in
2530         niagara)
2531             cpuflags="-mcpu=$cpu"
2532             disable vis
2533         ;;
2534         sparc64)
2535             cpuflags="-mcpu=v9"
2536         ;;
2537     esac
2538
2539 elif enabled arm; then
2540
2541     case $cpu in
2542         armv*)
2543             cpuflags="-march=$cpu"
2544             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2545         ;;
2546         *)
2547             cpuflags="-mcpu=$cpu"
2548             case $cpu in
2549                 cortex-a*)                               subarch=armv7a  ;;
2550                 cortex-r*)                               subarch=armv7r  ;;
2551                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2552                 arm11*)                                  subarch=armv6   ;;
2553                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2554                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2555             esac
2556         ;;
2557     esac
2558
2559 elif enabled alpha; then
2560
2561     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2562
2563 elif enabled bfin; then
2564
2565     cpuflags="-mcpu=$cpu"
2566
2567 elif enabled mips; then
2568
2569     cpuflags="-march=$cpu"
2570
2571 elif enabled avr32; then
2572
2573     case $cpu in
2574         ap7[02]0[0-2])
2575             subarch="avr32_ap"
2576             cpuflags="-mpart=$cpu"
2577         ;;
2578         ap)
2579             subarch="avr32_ap"
2580             cpuflags="-march=$cpu"
2581         ;;
2582         uc3[ab]*)
2583             subarch="avr32_uc"
2584             cpuflags="-mcpu=$cpu"
2585         ;;
2586         uc)
2587             subarch="avr32_uc"
2588             cpuflags="-march=$cpu"
2589         ;;
2590     esac
2591
2592 fi
2593
2594 add_cflags $cpuflags
2595 add_asflags $cpuflags
2596
2597 # compiler sanity check
2598 check_exec <<EOF
2599 int main(void){ return 0; }
2600 EOF
2601 if test "$?" != 0; then
2602     echo "$cc is unable to create an executable file."
2603     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2604         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2605         echo "Only do this if you know what cross compiling means."
2606     fi
2607     die "C compiler test failed."
2608 fi
2609
2610 add_cppflags -D_ISOC99_SOURCE
2611 add_cxxflags -D__STDC_CONSTANT_MACROS
2612 check_cflags -std=c99
2613 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2614 #include <stdlib.h>
2615 EOF
2616 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2617 #include <stdlib.h>
2618 EOF
2619
2620 check_host_cflags -std=c99
2621 check_host_cflags -Wall
2622
2623 case "$arch" in
2624     alpha|ia64|mips|parisc|sparc)
2625         spic=$shared
2626     ;;
2627     x86)
2628         subarch="x86_32"
2629         check_cc <<EOF && subarch="x86_64"
2630         int test[(int)sizeof(char*) - 7];
2631 EOF
2632         if test "$subarch" = "x86_64"; then
2633             spic=$shared
2634         fi
2635     ;;
2636     ppc)
2637         check_cc <<EOF && subarch="ppc64"
2638         int test[(int)sizeof(char*) - 7];
2639 EOF
2640     ;;
2641 esac
2642
2643 enable $subarch
2644 enabled spic && enable pic
2645
2646 # OS specific
2647 case $target_os in
2648     haiku)
2649         prefix_default="/boot/common"
2650         network_extralibs="-lnetwork"
2651         host_libs=
2652         ;;
2653     sunos)
2654         FFSERVERLDFLAGS=""
2655         SHFLAGS='-shared -Wl,-h,$$(@F)'
2656         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2657         network_extralibs="-lsocket -lnsl"
2658         add_cppflags -D__EXTENSIONS__
2659         # When using suncc to build, the Solaris linker will mark
2660         # an executable with each instruction set encountered by
2661         # the Solaris assembler.  As our libraries contain their own
2662         # guards for processor-specific code, instead suppress
2663         # generation of the HWCAPS ELF section on Solaris x86 only.
2664         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2665         nm_opts='-P -g'
2666         ;;
2667     netbsd)
2668         disable symver
2669         oss_indev_extralibs="-lossaudio"
2670         oss_outdev_extralibs="-lossaudio"
2671         ;;
2672     openbsd)
2673         enable malloc_aligned
2674         # On OpenBSD 4.5. the compiler does not use PIC unless
2675         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2676         # however the generated executable will not do anything
2677         # (simply quits with exit-code 1, no crash, no output).
2678         # Thus explicitly enable PIC here.
2679         enable pic
2680         disable symver
2681         SHFLAGS='-shared'
2682         oss_indev_extralibs="-lossaudio"
2683         oss_outdev_extralibs="-lossaudio"
2684         ;;
2685     dragonfly)
2686         enable malloc_aligned
2687         disable symver
2688         ;;
2689     freebsd)
2690         enable malloc_aligned
2691         ;;
2692     bsd/os)
2693         add_extralibs -lpoll -lgnugetopt
2694         strip="strip -d"
2695         ;;
2696     darwin)
2697         enable malloc_aligned
2698         gas="gas-preprocessor.pl $cc"
2699         enabled ppc && add_asflags -force_cpusubtype_ALL
2700         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2701         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2702         strip="${strip} -x"
2703         add_ldflags -Wl,-dynamic,-search_paths_first
2704         SLIBSUF=".dylib"
2705         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2706         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2707         FFSERVERLDFLAGS=-Wl,-bind_at_load
2708         objformat="macho"
2709         enabled x86_64 && objformat="macho64"
2710         enabled_any pic shared ||
2711             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2712         ;;
2713     mingw32*)
2714         if test $target_os = "mingw32ce"; then
2715             disable network
2716         else
2717             target_os=mingw32
2718         fi
2719         LIBTARGET=i386
2720         if enabled x86_64; then
2721             enable malloc_aligned
2722             LIBTARGET=x64
2723         elif enabled arm; then
2724             LIBTARGET=arm-wince
2725         fi
2726         shlibdir_default="$bindir_default"
2727         SLIBPREF=""
2728         SLIBSUF=".dll"
2729         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2730         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2731         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2732         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2733         SLIB_INSTALL_LINKS=
2734         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2735         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2736         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'
2737         objformat="win32"
2738         enable dos_paths
2739         check_cflags -fno-common
2740         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2741                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2742                 die "ERROR: MinGW runtime version must be >= 3.15."
2743         add_cppflags -U__STRICT_ANSI__
2744         ;;
2745     cygwin*)
2746         target_os=cygwin
2747         shlibdir_default="$bindir_default"
2748         SLIBPREF="cyg"
2749         SLIBSUF=".dll"
2750         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2751         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2752         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2753         objformat="win32"
2754         enable dos_paths
2755         check_cflags -fno-common
2756         add_cppflags -U__STRICT_ANSI__
2757         ;;
2758     *-dos|freedos|opendos)
2759         network_extralibs="-lsocket"
2760         objformat="coff"
2761         enable dos_paths
2762         add_cppflags -U__STRICT_ANSI__
2763         ;;
2764     linux)
2765         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2766         enable dv1394
2767         ;;
2768     irix*)
2769         target_os=irix
2770         ranlib="echo ignoring ranlib"
2771         ;;
2772     os/2*)
2773         strip="lxlite -CS"
2774         ln_s="cp -f"
2775         objformat="aout"
2776         add_cppflags -D_GNU_SOURCE
2777         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2778         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2779         FFSERVERLDFLAGS=""
2780         LIBSUF="_s.a"
2781         SLIBPREF=""
2782         SLIBSUF=".dll"
2783         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2784         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2785         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2786           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2787           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2788           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2789           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2790           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2791         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2792           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2793         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2794         enable dos_paths
2795         enable_weak os2threads
2796         ;;
2797     gnu/kfreebsd)
2798         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2799         ;;
2800     gnu)
2801         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2802         ;;
2803     qnx)
2804         add_cppflags -D_QNX_SOURCE
2805         network_extralibs="-lsocket"
2806         ;;
2807     symbian)
2808         SLIBSUF=".dll"
2809         enable dos_paths
2810         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2811         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2812         add_ldflags -Wl,--target1-abs,--no-undefined \
2813                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2814                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2815         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2816                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2817                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2818         ;;
2819     none)
2820         ;;
2821     *)
2822         die "Unknown OS '$target_os'."
2823         ;;
2824 esac
2825
2826 esc(){
2827     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2828 }
2829
2830 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
2831
2832 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2833
2834 set_default $PATHS_LIST
2835
2836 # we need to build at least one lib type
2837 if ! enabled_any static shared; then
2838     cat <<EOF
2839 At least one library type must be built.
2840 Specify --enable-static to build the static libraries or --enable-shared to
2841 build the shared libraries as well. To only build the shared libraries specify
2842 --disable-static in addition to --enable-shared.
2843 EOF
2844     exit 1;
2845 fi
2846
2847 die_license_disabled() {
2848     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2849 }
2850
2851 die_license_disabled gpl libcdio
2852 die_license_disabled gpl libutvideo
2853 die_license_disabled gpl libx264
2854 die_license_disabled gpl libxavs
2855 die_license_disabled gpl libxvid
2856 die_license_disabled gpl x11grab
2857
2858 die_license_disabled nonfree libaacplus
2859 die_license_disabled nonfree libfaac
2860 die_license_disabled nonfree openssl
2861
2862 die_license_disabled version3 libopencore_amrnb
2863 die_license_disabled version3 libopencore_amrwb
2864 die_license_disabled version3 libvo_aacenc
2865 die_license_disabled version3 libvo_amrwbenc
2866
2867 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2868
2869 disabled optimizations || check_cflags -fomit-frame-pointer
2870
2871 enable_pic() {
2872     enable pic
2873     add_cppflags -DPIC
2874     add_cflags   -fPIC
2875     add_asflags  -fPIC
2876 }
2877
2878 enabled pic && enable_pic
2879
2880 check_cc <<EOF || die "Symbol mangling check failed."
2881 int ff_extern;
2882 EOF
2883 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2884 extern_prefix=${sym%%ff_extern*}
2885
2886 check_cc <<EOF && enable inline_asm
2887 void foo(void) { __asm__ volatile ("" ::); }
2888 EOF
2889
2890 _restrict=
2891 for restrict_keyword in restrict __restrict__ __restrict; do
2892     check_cc <<EOF && _restrict=$restrict_keyword && break
2893 void foo(char * $restrict_keyword p);
2894 EOF
2895 done
2896
2897 check_cc <<EOF && enable attribute_packed
2898 struct { int x; } __attribute__((packed)) x;
2899 EOF
2900
2901 check_cc <<EOF && enable attribute_may_alias
2902 union { int x; } __attribute__((may_alias)) x;
2903 EOF
2904
2905 check_cc <<EOF || die "endian test failed"
2906 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2907 EOF
2908 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2909
2910 if enabled alpha; then
2911
2912     check_cflags -mieee
2913
2914 elif enabled arm; then
2915
2916     enabled thumb && check_cflags -mthumb || check_cflags -marm
2917     nogas=die
2918
2919     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2920         enable vfp_args
2921     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2922         case "${cross_prefix:-$cc}" in
2923             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2924             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2925 __asm__ (".eabi_attribute 28, 1");
2926 int main(void) { return 0; }
2927 EOF
2928         esac
2929         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2930     fi
2931
2932     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2933     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2934     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2935     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2936     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2937     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2938
2939     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2940
2941     enabled_all armv6t2 shared !pic && enable_pic
2942
2943 elif enabled mips; then
2944
2945     check_asm loongson '"dmult.g $1, $2, $3"'
2946     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2947
2948 elif enabled ppc; then
2949
2950     enable local_aligned_8 local_aligned_16
2951
2952     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2953     check_asm ibm_asm   '"add 0, 0, 0"'
2954     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2955     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2956
2957     # AltiVec flags: The FSF version of GCC differs from the Apple version
2958     if enabled altivec; then
2959         nogas=warn
2960         check_cflags -maltivec -mabi=altivec &&
2961         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2962         check_cflags -faltivec
2963
2964         # check if our compiler supports Motorola AltiVec C API
2965         check_cc <<EOF || disable altivec
2966 $inc_altivec_h
2967 int main(void) {
2968     vector signed int v1, v2, v3;
2969     v1 = vec_add(v2,v3);
2970     return 0;
2971 }
2972 EOF
2973
2974         # check if our compiler supports braces for vector declarations
2975         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2976 $inc_altivec_h
2977 int main (void) { (vector int) {1}; return 0; }
2978 EOF
2979     fi
2980
2981 elif enabled sparc; then
2982
2983     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2984         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2985
2986 elif enabled x86; then
2987
2988     enable local_aligned_8 local_aligned_16
2989
2990     # check whether EBP is available on x86
2991     # As 'i' is stored on the stack, this program will crash
2992     # if the base pointer is used to access it because the
2993     # base pointer is cleared in the inline assembly code.
2994     check_exec_crash <<EOF && enable ebp_available
2995     volatile int i=0;
2996     __asm__ volatile (
2997         "xorl %%ebp, %%ebp"
2998     ::: "%ebp");
2999     return i;
3000 EOF
3001
3002     # check whether EBX is available on x86
3003     check_asm ebx_available '""::"b"(0)' &&
3004         check_asm ebx_available '"":::"%ebx"'
3005
3006     # check whether xmm clobbers are supported
3007     check_asm xmm_clobbers '"":::"%xmm0"'
3008
3009     # check whether binutils is new enough to compile SSSE3/MMX2
3010     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
3011     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
3012
3013     if ! disabled_any asm mmx yasm; then
3014         if check_cmd $yasmexe --version; then
3015             enabled x86_64 && yasm_extra="-m amd64"
3016             yasm_debug="-g dwarf2"
3017         elif check_cmd nasm -v; then
3018             yasmexe=nasm
3019             yasm_debug="-g -F dwarf"
3020             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3021         fi
3022
3023         YASMFLAGS="-f $objformat $yasm_extra"
3024         enabled pic               && append YASMFLAGS "-DPIC"
3025         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3026         case "$objformat" in
3027             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3028         esac
3029
3030         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3031             die "yasm not found, use --disable-yasm for a crippled build"
3032         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3033     fi
3034
3035     case "$cpu" in
3036         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3037             disable fast_clz
3038         ;;
3039     esac
3040
3041 fi
3042
3043 if enabled asm; then
3044     as=${gas:=$as}
3045     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3046         $nogas "GNU assembler not found, install gas-preprocessor"
3047 fi
3048
3049 check_ldflags -Wl,--as-needed
3050
3051 if check_func dlopen; then
3052     ldl=
3053 elif check_func dlopen -ldl; then
3054     ldl=-ldl
3055 fi
3056
3057 if enabled network; then
3058     check_type "sys/types.h sys/socket.h" socklen_t
3059     check_type netdb.h "struct addrinfo"
3060     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3061     check_type netinet/in.h "struct sockaddr_in6"
3062     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3063     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3064     # Prefer arpa/inet.h over winsock2
3065     if check_header arpa/inet.h ; then
3066         check_func closesocket
3067     elif check_header winsock2.h ; then
3068         check_func_headers winsock2.h closesocket -lws2 && \
3069             network_extralibs="-lws2" || \
3070         { check_func_headers winsock2.h closesocket -lws2_32 && \
3071             network_extralibs="-lws2_32"; }
3072         check_type ws2tcpip.h socklen_t
3073         check_type ws2tcpip.h "struct addrinfo"
3074         check_type ws2tcpip.h "struct ipv6_mreq"
3075         check_type ws2tcpip.h "struct sockaddr_in6"
3076         check_type ws2tcpip.h "struct sockaddr_storage"
3077         check_struct winsock2.h "struct sockaddr" sa_len
3078     else
3079         disable network
3080     fi
3081 fi
3082
3083 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3084 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3085
3086 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3087 check_func  fcntl
3088 check_func  fork
3089 check_func  getaddrinfo $network_extralibs
3090 check_func  gethrtime
3091 check_func  getrusage
3092 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3093 check_func  inet_aton $network_extralibs
3094 check_func  isatty
3095 check_func  localtime_r
3096 check_func  ${malloc_prefix}memalign            && enable memalign
3097 check_func  mkstemp
3098 check_func  mmap
3099 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3100 check_func  setrlimit
3101 check_func  strerror_r
3102 check_func  strptime
3103 check_func  sched_getaffinity
3104 check_func  sysconf
3105 check_func  sysctl
3106 check_func_headers conio.h kbhit
3107 check_func_headers windows.h PeekNamedPipe
3108 check_func_headers io.h setmode
3109 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3110 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3111 check_func_headers windows.h GetProcessAffinityMask
3112 check_func_headers windows.h GetProcessTimes
3113 check_func_headers windows.h MapViewOfFile
3114 check_func_headers windows.h VirtualAlloc
3115 check_func_headers glob.h glob
3116
3117 check_header dlfcn.h
3118 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3119 check_header libcrystalhd/libcrystalhd_if.h
3120 check_header malloc.h
3121 check_header poll.h
3122 check_header sys/mman.h
3123 check_header sys/param.h
3124 check_header sys/resource.h
3125 check_header sys/select.h
3126 check_header termios.h
3127 check_header vdpau/vdpau.h
3128 check_header vdpau/vdpau_x11.h
3129 check_header X11/extensions/XvMClib.h
3130 check_header asm/types.h
3131
3132 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3133 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3134
3135 # check for VDA header
3136 if ! disabled vda; then
3137     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3138         enable vda
3139         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3140     fi
3141 fi
3142
3143 if ! disabled w32threads && ! enabled pthreads; then
3144     check_func _beginthreadex && enable w32threads
3145 fi
3146
3147 # check for some common methods of building with pthread support
3148 # do this before the optional library checks as some of them require pthreads
3149 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3150     enable pthreads
3151     if check_func pthread_create; then
3152         :
3153     elif check_func pthread_create -pthread; then
3154         add_cflags -pthread
3155         add_extralibs -pthread
3156     elif check_func pthread_create -pthreads; then
3157         add_cflags -pthreads
3158         add_extralibs -pthreads
3159     elif check_func pthread_create -lpthreadGC2; then
3160         add_extralibs -lpthreadGC2
3161     elif ! check_lib pthread.h pthread_create -lpthread; then
3162         disable pthreads
3163     fi
3164 fi
3165
3166 for thread in $THREADS_LIST; do
3167     if enabled $thread; then
3168         test -n "$thread_type" &&
3169             die "ERROR: Only one thread type must be selected." ||
3170             thread_type="$thread"
3171     fi
3172 done
3173
3174 check_lib math.h sin -lm && LIBM="-lm"
3175 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3176 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3177
3178 check_mathfunc cbrtf
3179 check_mathfunc exp2
3180 check_mathfunc exp2f
3181 check_mathfunc llrint
3182 check_mathfunc llrintf
3183 check_mathfunc log2
3184 check_mathfunc log2f
3185 check_mathfunc lrint
3186 check_mathfunc lrintf
3187 check_mathfunc round
3188 check_mathfunc roundf
3189 check_mathfunc trunc
3190 check_mathfunc truncf
3191
3192 # these are off by default, so fail if requested and not available
3193 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3194 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3195 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3196 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3197 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3198 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3199 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3200 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3201                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3202                         die "ERROR: libcelt version must be >= 0.11.0."; }
3203 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3204 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3205 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3206 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3207 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3208 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3209 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3210 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3211 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3212 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3213 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3214 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3215 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3216 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3217 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3218     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3219     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3220 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3221 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3222 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3223 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3224 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3225 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3226 enabled libvpx     && {
3227     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3228                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3229     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3230                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3231 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3232                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3233                         die "ERROR: libx264 version must be >= 0.118."; }
3234 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3235 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3236 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3237                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3238                         die "ERROR: openal not found"; } &&
3239                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3240                         die "ERROR: openal version must be 1.1 or compatible"; }
3241 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3242                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3243                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3244                         die "ERROR: openssl not found"; }
3245
3246 # libdc1394 check
3247 if enabled libdc1394; then
3248     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3249         enable libdc1394_2; } ||
3250     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3251         enable libdc1394_1; } ||
3252     die "ERROR: No version of libdc1394 found "
3253 fi
3254
3255 SDL_CONFIG="${cross_prefix}sdl-config"
3256 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3257     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3258     enable sdl &&
3259     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3260 else
3261   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3262     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3263     sdl_libs=$("${SDL_CONFIG}" --libs)
3264     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3265     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3266     enable sdl &&
3267     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3268   fi
3269 fi
3270 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3271
3272 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3273 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3274
3275 check_header linux/fb.h
3276 check_header linux/videodev.h
3277 check_header linux/videodev2.h
3278 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3279
3280 check_header sys/videoio.h
3281
3282 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3283 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3284 # w32api 3.12 had it defined wrong
3285 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3286
3287 check_type "dshow.h" IBaseFilter
3288
3289 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3290 { check_header dev/bktr/ioctl_meteor.h &&
3291   check_header dev/bktr/ioctl_bt848.h; } ||
3292 { check_header machine/ioctl_meteor.h &&
3293   check_header machine/ioctl_bt848.h; } ||
3294 { check_header dev/video/meteor/ioctl_meteor.h &&
3295   check_header dev/video/bktr/ioctl_bt848.h; } ||
3296 check_header dev/ic/bt8xx.h
3297
3298 check_header sndio.h
3299 if check_struct sys/soundcard.h audio_buf_info bytes; then
3300     enable_safe sys/soundcard.h
3301 else
3302     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3303     #include <sys/soundcard.h>
3304     audio_buf_info abc;
3305 EOF
3306 fi
3307 check_header soundcard.h
3308
3309 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3310
3311 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3312
3313 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3314
3315 enabled libcdio &&
3316     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3317
3318 enabled x11grab                                           &&
3319 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3320 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3321 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3322
3323 if ! disabled vaapi; then
3324     check_lib va/va.h vaInitialize -lva && {
3325         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3326         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3327     } || disable vaapi
3328 fi
3329
3330 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3331 check_cpp_condition \
3332     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3333     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3334       disable vdpau; }
3335 fi
3336
3337 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3338 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3339 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"
3340
3341 # add some useful compiler flags if supported
3342 check_cflags -Wdeclaration-after-statement
3343 check_cflags -Wall
3344 check_cflags -Wno-parentheses
3345 check_cflags -Wno-switch
3346 check_cflags -Wno-format-zero-length
3347 check_cflags -Wdisabled-optimization
3348 check_cflags -Wpointer-arith
3349 check_cflags -Wredundant-decls
3350 check_cflags -Wno-pointer-sign
3351 check_cflags -Wwrite-strings
3352 check_cflags -Wtype-limits
3353 check_cflags -Wundef
3354 check_cflags -Wmissing-prototypes
3355 check_cflags -Wno-pointer-to-int-cast
3356 check_cflags -Wstrict-prototypes
3357 enabled extra_warnings && check_cflags -Winline
3358
3359 # add some linker flags
3360 check_ldflags -Wl,--warn-common
3361 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3362 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3363
3364 enabled xmm_clobber_test &&                             \
3365     check_ldflags -Wl,--wrap,avcodec_open2              \
3366                   -Wl,--wrap,avcodec_decode_audio4      \
3367                   -Wl,--wrap,avcodec_decode_video2      \
3368                   -Wl,--wrap,avcodec_decode_subtitle2   \
3369                   -Wl,--wrap,avcodec_encode_audio2      \
3370                   -Wl,--wrap,avcodec_encode_video       \
3371                   -Wl,--wrap,avcodec_encode_subtitle    \
3372                   -Wl,--wrap,sws_scale ||               \
3373     disable xmm_clobber_test
3374
3375 echo "X{};" > $TMPV
3376 if test_ldflags -Wl,--version-script,$TMPV; then
3377     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3378     check_cc <<EOF && enable symver_asm_label
3379 void ff_foo(void) __asm__ ("av_foo@VERSION");
3380 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3381 EOF
3382     check_cc <<EOF && enable symver_gnu_asm
3383 __asm__(".symver ff_foo,av_foo@VERSION");
3384 void ff_foo(void) {}
3385 EOF
3386 fi
3387
3388 if [ -n "$optflags" ]; then
3389     add_cflags $optflags
3390 elif enabled small; then
3391     add_cflags $size_cflags
3392 elif enabled optimizations; then
3393     add_cflags $speed_cflags
3394 else
3395     add_cflags $noopt_cflags
3396 fi
3397 check_cflags -fno-math-errno
3398 check_cflags -fno-signed-zeros
3399 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3400 int x;
3401 EOF
3402
3403
3404 if enabled icc; then
3405     # Just warnings, no remarks
3406     check_cflags -w1
3407     # -wd: Disable following warnings
3408     # 144, 167, 556: -Wno-pointer-sign
3409     # 1292: attribute "foo" ignored
3410     # 1419: external declaration in primary source file
3411     # 10006: ignoring unknown option -fno-signed-zeros
3412     # 10148: ignoring unknown option -Wno-parentheses
3413     # 10156: ignoring option '-W'; no argument required
3414     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3415     # 11030: Warning unknown option --as-needed
3416     # 10156: ignoring option '-export'; no argument required
3417     check_ldflags -wd10156,11030
3418     # Allow to compile with optimizations
3419     check_ldflags -march=$cpu
3420     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3421     enable ebp_available
3422     if enabled x86_32; then
3423         test ${icc_version%%.*} -ge 11 && \
3424             check_cflags -falign-stack=maintain-16-byte || \
3425             disable aligned_stack
3426     fi
3427 elif enabled ccc; then
3428     # disable some annoying warnings
3429     add_cflags -msg_disable cvtu32to64
3430     add_cflags -msg_disable embedcomment
3431     add_cflags -msg_disable needconstext
3432     add_cflags -msg_disable nomainieee
3433     add_cflags -msg_disable ptrmismatch1
3434     add_cflags -msg_disable unreachcode
3435 elif enabled gcc; then
3436     check_cflags -fno-tree-vectorize
3437     check_cflags -Werror=implicit-function-declaration
3438     check_cflags -Werror=missing-prototypes
3439 elif enabled llvm_gcc; then
3440     check_cflags -mllvm -stack-alignment=16
3441 elif enabled clang; then
3442     check_cflags -mllvm -stack-alignment=16
3443     check_cflags -Qunused-arguments
3444 elif enabled armcc; then
3445     # 2523: use of inline assembler is deprecated
3446     add_cflags -W${armcc_opt},--diag_suppress=2523
3447     add_cflags -W${armcc_opt},--diag_suppress=1207
3448     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3449     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3450     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3451     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3452 elif enabled tms470; then
3453     add_cflags -pds=824 -pds=837
3454 elif enabled pathscale; then
3455     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3456 fi
3457
3458 enabled_any $THREADS_LIST      && enable threads
3459
3460 check_deps $CONFIG_LIST       \
3461            $CONFIG_EXTRA      \
3462            $HAVE_LIST         \
3463            $ALL_COMPONENTS    \
3464            $ALL_TESTS         \
3465
3466 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3467
3468 if test $target_os = "haiku"; then
3469     disable memalign
3470     disable posix_memalign
3471 fi
3472
3473 ! enabled_any memalign posix_memalign malloc_aligned &&
3474     enabled_any $need_memalign && enable memalign_hack
3475
3476 # add_dep lib dep
3477 # -> enable ${lib}_deps_${dep}
3478 # -> add $dep to ${lib}_deps only once
3479 add_dep() {
3480     lib=$1
3481     dep=$2
3482     enabled "${lib}_deps_${dep}" && return 0
3483     enable  "${lib}_deps_${dep}"
3484     prepend "${lib}_deps" $dep
3485 }
3486
3487 # merge deps lib components
3488 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3489 merge_deps() {
3490     lib=$1
3491     shift
3492     for comp in $*; do
3493         enabled $comp || continue
3494         eval "dep=\"\$${comp}_deps\""
3495         for d in $dep; do
3496             add_dep $lib $d
3497         done
3498     done
3499 }
3500
3501 merge_deps libavfilter $FILTER_LIST
3502
3503 echo "install prefix            $prefix"
3504 echo "source path               $source_path"
3505 echo "C compiler                $cc"
3506 echo "ARCH                      $arch ($cpu)"
3507 if test "$build_suffix" != ""; then
3508     echo "build suffix              $build_suffix"
3509 fi
3510 if test "$progs_suffix" != ""; then
3511     echo "progs suffix              $progs_suffix"
3512 fi
3513 if test "$extra_version" != ""; then
3514     echo "version string suffix     $extra_version"
3515 fi
3516 echo "big-endian                ${bigendian-no}"
3517 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3518 if enabled x86; then
3519     echo "${yasmexe}                      ${yasm-no}"
3520     echo "MMX enabled               ${mmx-no}"
3521     echo "MMX2 enabled              ${mmx2-no}"
3522     echo "3DNow! enabled            ${amd3dnow-no}"
3523     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3524     echo "SSE enabled               ${sse-no}"
3525     echo "SSSE3 enabled             ${ssse3-no}"
3526     echo "AVX enabled               ${avx-no}"
3527     echo "CMOV enabled              ${cmov-no}"
3528     echo "CMOV is fast              ${fast_cmov-no}"
3529     echo "EBX available             ${ebx_available-no}"
3530     echo "EBP available             ${ebp_available-no}"
3531 fi
3532 if enabled arm; then
3533     echo "ARMv5TE enabled           ${armv5te-no}"
3534     echo "ARMv6 enabled             ${armv6-no}"
3535     echo "ARMv6T2 enabled           ${armv6t2-no}"
3536     echo "ARM VFP enabled           ${armvfp-no}"
3537     echo "NEON enabled              ${neon-no}"
3538 fi
3539 if enabled mips; then
3540     echo "MMI enabled               ${mmi-no}"
3541 fi
3542 if enabled ppc; then
3543     echo "AltiVec enabled           ${altivec-no}"
3544     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3545     echo "dcbzl available           ${dcbzl-no}"
3546 fi
3547 if enabled sparc; then
3548     echo "VIS enabled               ${vis-no}"
3549 fi
3550 echo "debug symbols             ${debug-no}"
3551 echo "strip symbols             ${stripping-no}"
3552 echo "optimize for size         ${small-no}"
3553 echo "optimizations             ${optimizations-no}"
3554 echo "static                    ${static-no}"
3555 echo "shared                    ${shared-no}"
3556 echo "postprocessing support    ${postproc-no}"
3557 echo "new filter support        ${avfilter-no}"
3558 echo "network support           ${network-no}"
3559 echo "threading support         ${thread_type-no}"
3560 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3561 echo "SDL support               ${sdl-no}"
3562 echo "libdxva2 enabled          ${dxva2-no}"
3563 echo "libva enabled             ${vaapi-no}"
3564 echo "libvdpau enabled          ${vdpau-no}"
3565 echo "AVISynth enabled          ${avisynth-no}"
3566 echo "frei0r enabled            ${frei0r-no}"
3567 echo "gnutls enabled            ${gnutls-no}"
3568 echo "libaacplus enabled        ${libaacplus-no}"
3569 echo "libass enabled            ${libass-no}"
3570 echo "libcdio support           ${libcdio-no}"
3571 echo "libcelt enabled           ${libcelt-no}"
3572 echo "libdc1394 support         ${libdc1394-no}"
3573 echo "libfaac enabled           ${libfaac-no}"
3574 echo "libgsm enabled            ${libgsm-no}"
3575 echo "libmodplug enabled        ${libmodplug-no}"
3576 echo "libmp3lame enabled        ${libmp3lame-no}"
3577 echo "libnut enabled            ${libnut-no}"
3578 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3579 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3580 echo "libopencv support         ${libopencv-no}"
3581 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3582 echo "libpulse enabled          ${libpulse-no}"
3583 echo "librtmp enabled           ${librtmp-no}"
3584 echo "libschroedinger enabled   ${libschroedinger-no}"
3585 echo "libspeex enabled          ${libspeex-no}"
3586 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3587 echo "libtheora enabled         ${libtheora-no}"
3588 echo "libutvideo enabled        ${libutvideo-no}"
3589 echo "libv4l2 enabled           ${libv4l2-no}"
3590 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3591 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3592 echo "libvorbis enabled         ${libvorbis-no}"
3593 echo "libvpx enabled            ${libvpx-no}"
3594 echo "libx264 enabled           ${libx264-no}"
3595 echo "libxavs enabled           ${libxavs-no}"
3596 echo "libxvid enabled           ${libxvid-no}"
3597 echo "openal enabled            ${openal-no}"
3598 echo "openssl enabled           ${openssl-no}"
3599 echo "zlib enabled              ${zlib-no}"
3600 echo "bzlib enabled             ${bzlib-no}"
3601 echo
3602
3603 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3604     echo "Enabled ${type}s:"
3605     eval list=\$$(toupper $type)_LIST
3606     print_enabled '_*' $list | sort | pr -r -3 -t
3607     echo
3608 done
3609
3610 license="LGPL version 2.1 or later"
3611 if enabled nonfree; then
3612     license="nonfree and unredistributable"
3613 elif enabled gplv3; then
3614     license="GPL version 3 or later"
3615 elif enabled lgplv3; then
3616     license="LGPL version 3 or later"
3617 elif enabled gpl; then
3618     license="GPL version 2 or later"
3619 fi
3620
3621 echo "License: $license"
3622
3623 echo "Creating config.mak and config.h..."
3624
3625 test -e Makefile || $ln_s "$source_path/Makefile" .
3626
3627 enabled stripping || strip="echo skipping strip"
3628
3629 config_files="$TMPH config.mak"
3630
3631 cat > config.mak <<EOF
3632 # Automatically generated by configure - do not modify!
3633 ifndef FFMPEG_CONFIG_MAK
3634 FFMPEG_CONFIG_MAK=1
3635 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3636 prefix=$prefix
3637 LIBDIR=\$(DESTDIR)$libdir
3638 SHLIBDIR=\$(DESTDIR)$shlibdir
3639 INCDIR=\$(DESTDIR)$incdir
3640 BINDIR=\$(DESTDIR)$bindir
3641 DATADIR=\$(DESTDIR)$datadir
3642 MANDIR=\$(DESTDIR)$mandir
3643 SRC_PATH=$source_path
3644 ifndef MAIN_MAKEFILE
3645 SRC_PATH:=\$(SRC_PATH:.%=..%)
3646 endif
3647 CC_IDENT=$cc_ident
3648 ARCH=$arch
3649 CC=$cc
3650 CXX=$cxx
3651 AS=$as
3652 LD=$ld
3653 DEPCC=$dep_cc
3654 YASM=$yasmexe
3655 YASMDEP=$yasmexe
3656 AR=$ar
3657 RANLIB=$ranlib
3658 CP=cp -p
3659 LN_S=$ln_s
3660 STRIP=$strip
3661 CPPFLAGS=$CPPFLAGS
3662 CFLAGS=$CFLAGS
3663 CXXFLAGS=$CXXFLAGS
3664 ASFLAGS=$ASFLAGS
3665 AS_O=$CC_O
3666 CC_O=$CC_O
3667 CXX_O=$CXX_O
3668 LDFLAGS=$LDFLAGS
3669 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3670 SHFLAGS=$SHFLAGS
3671 YASMFLAGS=$YASMFLAGS
3672 BUILDSUF=$build_suffix
3673 PROGSSUF=$progs_suffix
3674 FULLNAME=$FULLNAME
3675 LIBPREF=$LIBPREF
3676 LIBSUF=$LIBSUF
3677 LIBNAME=$LIBNAME
3678 SLIBPREF=$SLIBPREF
3679 SLIBSUF=$SLIBSUF
3680 EXESUF=$EXESUF
3681 EXTRA_VERSION=$extra_version
3682 DEPFLAGS=$DEPFLAGS
3683 CCDEP=$CCDEP
3684 CXXDEP=$CXXDEP
3685 ASDEP=$ASDEP
3686 CC_DEPFLAGS=$CC_DEPFLAGS
3687 AS_DEPFLAGS=$AS_DEPFLAGS
3688 HOSTCC=$host_cc
3689 HOSTCFLAGS=$host_cflags
3690 HOSTEXESUF=$HOSTEXESUF
3691 HOSTLDFLAGS=$host_ldflags
3692 HOSTLIBS=$host_libs
3693 TARGET_EXEC=$target_exec
3694 TARGET_PATH=$target_path
3695 SDL_LIBS=$sdl_libs
3696 SDL_CFLAGS=$sdl_cflags
3697 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3698 EXTRALIBS=$extralibs
3699 INSTALL=$install
3700 LIBTARGET=${LIBTARGET}
3701 SLIBNAME=${SLIBNAME}
3702 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3703 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3704 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3705 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3706 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3707 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3708 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3709 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3710 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3711 NOREDZONE_FLAGS=$noredzone_flags
3712 EOF
3713
3714 get_version(){
3715     name=$1
3716     file=$source_path/$2
3717 # This condition will be removed when we stop supporting old libpostproc versions
3718 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3719     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3720     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3721 fi
3722     lcname=$(tolower $name)
3723     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3724     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3725 }
3726
3727 get_version LIBAVCODEC  libavcodec/version.h
3728 get_version LIBAVDEVICE libavdevice/avdevice.h
3729 get_version LIBAVFILTER libavfilter/version.h
3730 get_version LIBAVFORMAT libavformat/version.h
3731 get_version LIBAVRESAMPLE libavresample/version.h
3732 get_version LIBAVUTIL   libavutil/avutil.h
3733 get_version LIBPOSTPROC libpostproc/postprocess.h
3734 get_version LIBSWRESAMPLE libswresample/swresample.h
3735 get_version LIBSWSCALE  libswscale/swscale.h
3736
3737 cat > $TMPH <<EOF
3738 /* Automatically generated by configure - do not modify! */
3739 #ifndef FFMPEG_CONFIG_H
3740 #define FFMPEG_CONFIG_H
3741 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3742 #define FFMPEG_LICENSE "$(c_escape $license)"
3743 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3744 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3745 #define CC_TYPE "$cc_type"
3746 #define CC_VERSION $cc_version
3747 #define restrict $_restrict
3748 #define EXTERN_PREFIX "${extern_prefix}"
3749 #define EXTERN_ASM ${extern_prefix}
3750 #define SLIBSUF "$SLIBSUF"
3751 EOF
3752
3753 test -n "$assert_level" &&
3754     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
3755
3756 test -n "$malloc_prefix" &&
3757     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3758
3759 if enabled small || disabled optimizations; then
3760     echo "#undef  av_always_inline"  >> $TMPH
3761     if enabled small; then
3762         echo "#define av_always_inline inline"  >> $TMPH
3763     else
3764         echo "#define av_always_inline av_unused"  >> $TMPH
3765     fi
3766 fi
3767
3768 if enabled yasm; then
3769     append config_files $TMPASM
3770     printf '' >$TMPASM
3771 fi
3772
3773 print_config ARCH_   "$config_files" $ARCH_LIST
3774 print_config HAVE_   "$config_files" $HAVE_LIST
3775 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3776                                      $CONFIG_EXTRA      \
3777                                      $ALL_COMPONENTS    \
3778
3779 cat >>config.mak <<EOF
3780 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3781 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3782 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3783 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3784 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3785 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3786 EOF
3787
3788 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3789 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3790
3791 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3792 cp_if_changed $TMPH config.h
3793 touch .config
3794
3795 enabled yasm && cp_if_changed $TMPASM config.asm
3796
3797 cat > $TMPH <<EOF
3798 /* Generated by ffconf */
3799 #ifndef AVUTIL_AVCONFIG_H
3800 #define AVUTIL_AVCONFIG_H
3801 EOF
3802
3803 test "$postproc_version" != current && cat >> $TMPH <<EOF
3804 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3805 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3806 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3807 EOF
3808
3809 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3810
3811 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3812
3813 cp_if_changed $TMPH libavutil/avconfig.h
3814
3815 test -n "$WARNINGS" && printf "\n$WARNINGS"
3816
3817 # build pkg-config files
3818
3819 pkgconfig_generate(){
3820 name=$1
3821 shortname=${name#lib}${build_suffix}
3822 comment=$2
3823 version=$3
3824 libs=$4
3825 requires=$5
3826 enabled ${name#lib} || return 0
3827 mkdir -p $name
3828 cat <<EOF > $name/$name.pc
3829 prefix=$prefix
3830 exec_prefix=\${prefix}
3831 libdir=$libdir
3832 includedir=$incdir
3833
3834 Name: $name
3835 Description: $comment
3836 Version: $version
3837 Requires: $(enabled shared || echo $requires)
3838 Requires.private: $(enabled shared && echo $requires)
3839 Conflicts:
3840 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3841 Libs.private: $(enabled shared && echo $libs)
3842 Cflags: -I\${includedir}
3843 EOF
3844 cat <<EOF > $name/$name-uninstalled.pc
3845 prefix=
3846 exec_prefix=
3847 libdir=\${pcfiledir}
3848 includedir=${source_path}
3849
3850 Name: $name
3851 Description: $comment
3852 Version: $version
3853 Requires: $requires
3854 Conflicts:
3855 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3856 Cflags: -I\${includedir}
3857 EOF
3858 }
3859
3860 libavfilter_pc_deps=""
3861 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3862 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3863 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3864 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3865 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3866 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3867
3868 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
3869 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
3870
3871 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3872 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3873 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3874 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
3875 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3876 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3877 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3878 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3879 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"