sgienc: add a limit for maximum supported resolution
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18     echo "Trying shell $1"
19     type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30     echo "Broken shell detected.  Trying alternatives."
31     export FF_CONF_EXEC
32     if test "0$FF_CONF_EXEC" -lt 1; then
33         FF_CONF_EXEC=1
34         try_exec bash "$0" "$@"
35     fi
36     if test "0$FF_CONF_EXEC" -lt 2; then
37         FF_CONF_EXEC=2
38         try_exec ksh "$0" "$@"
39     fi
40     if test "0$FF_CONF_EXEC" -lt 3; then
41         FF_CONF_EXEC=3
42         try_exec /usr/xpg4/bin/sh "$0" "$@"
43     fi
44     echo "No compatible shell script interpreter found."
45     echo "This configure script requires a POSIX-compatible shell"
46     echo "such as bash or ksh."
47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48     echo "Instead, install a working POSIX-compatible shell."
49     echo "Disabling this configure test will create a broken FFmpeg."
50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51         echo "This bash version ($BASH_VERSION) is broken on your platform."
52         echo "Upgrade to a later version if available."
53     fi
54     exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Help options:
63   --help                   print this message
64   --list-decoders          show all available decoders
65   --list-encoders          show all available encoders
66   --list-hwaccels          show all available hardware accelerators
67   --list-demuxers          show all available demuxers
68   --list-muxers            show all available muxers
69   --list-parsers           show all available parsers
70   --list-protocols         show all available protocols
71   --list-bsfs              show all available bitstream filters
72   --list-indevs            show all available input devices
73   --list-outdevs           show all available output devices
74   --list-filters           show all available filters
75
76 Standard options:
77   --logfile=FILE           log tests and output to FILE [config.log]
78   --disable-logging        do not log configure debug information
79   --prefix=PREFIX          install in PREFIX [$prefix]
80   --bindir=DIR             install binaries in DIR [PREFIX/bin]
81   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
82   --libdir=DIR             install libs in DIR [PREFIX/lib]
83   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
84   --incdir=DIR             install includes in DIR [PREFIX/include]
85   --mandir=DIR             install man page in DIR [PREFIX/share/man]
86
87 Licensing options:
88   --enable-gpl             allow use of GPL code, the resulting libs
89                            and binaries will be under GPL [no]
90   --enable-version3        upgrade (L)GPL to version 3 [no]
91   --enable-nonfree         allow use of nonfree code, the resulting libs
92                            and binaries will be unredistributable [no]
93
94 Configuration options:
95   --disable-static         do not build static libraries [no]
96   --enable-shared          build shared libraries [no]
97   --enable-small           optimize for size instead of speed
98   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99   --enable-gray            enable full grayscale support (slower color)
100   --disable-swscale-alpha  disable alpha channel support in swscale
101
102 Component options:
103   --disable-doc            do not build documentation
104   --disable-ffmpeg         disable ffmpeg build
105   --disable-ffplay         disable ffplay build
106   --disable-ffprobe        disable ffprobe build
107   --disable-ffserver       disable ffserver build
108   --disable-avdevice       disable libavdevice build
109   --disable-avcodec        disable libavcodec build
110   --disable-avformat       disable libavformat build
111   --disable-swresample     disable libswresample build
112   --disable-swscale        disable libswscale build
113   --disable-postproc       disable libpostproc build
114   --disable-avfilter       disable video filter support [no]
115   --enable-avresample      enable libavresample build [no]
116   --disable-pthreads       disable pthreads [auto]
117   --disable-w32threads     disable Win32 threads [auto]
118   --disable-os2threads     disable OS/2 threads [auto]
119   --enable-x11grab         enable X11 grabbing [no]
120   --disable-network        disable network support [no]
121   --disable-dct            disable DCT code
122   --disable-mdct           disable MDCT code
123   --disable-rdft           disable RDFT code
124   --disable-fft            disable FFT code
125   --enable-dxva2           enable DXVA2 code
126   --enable-vaapi           enable VAAPI code [autodetect]
127   --enable-vda             enable VDA code   [autodetect]
128   --enable-vdpau           enable VDPAU code [autodetect]
129
130 Individual component options:
131   --disable-everything     disable all components listed below
132   --disable-encoder=NAME   disable encoder NAME
133   --enable-encoder=NAME    enable encoder NAME
134   --disable-encoders       disable all encoders
135   --disable-decoder=NAME   disable decoder NAME
136   --enable-decoder=NAME    enable decoder NAME
137   --disable-decoders       disable all decoders
138   --disable-hwaccel=NAME   disable hwaccel NAME
139   --enable-hwaccel=NAME    enable hwaccel NAME
140   --disable-hwaccels       disable all hwaccels
141   --disable-muxer=NAME     disable muxer NAME
142   --enable-muxer=NAME      enable muxer NAME
143   --disable-muxers         disable all muxers
144   --disable-demuxer=NAME   disable demuxer NAME
145   --enable-demuxer=NAME    enable demuxer NAME
146   --disable-demuxers       disable all demuxers
147   --enable-parser=NAME     enable parser NAME
148   --disable-parser=NAME    disable parser NAME
149   --disable-parsers        disable all parsers
150   --enable-bsf=NAME        enable bitstream filter NAME
151   --disable-bsf=NAME       disable bitstream filter NAME
152   --disable-bsfs           disable all bitstream filters
153   --enable-protocol=NAME   enable protocol NAME
154   --disable-protocol=NAME  disable protocol NAME
155   --disable-protocols      disable all protocols
156   --enable-indev=NAME      enable input device NAME
157   --disable-indev=NAME     disable input device NAME
158   --disable-indevs         disable input devices
159   --enable-outdev=NAME     enable output device NAME
160   --disable-outdev=NAME    disable output device NAME
161   --disable-outdevs        disable output devices
162   --disable-devices        disable all devices
163   --enable-filter=NAME     enable filter NAME
164   --disable-filter=NAME    disable filter NAME
165   --disable-filters        disable all filters
166
167 External library support:
168   --enable-avisynth        enable reading of AVISynth script files [no]
169   --enable-bzlib           enable bzlib [autodetect]
170   --enable-fontconfig      enable fontconfig
171   --enable-frei0r          enable frei0r video filtering
172   --enable-gnutls          enable gnutls [no]
173   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
174   --enable-libass          enable libass subtitles rendering [no]
175   --enable-libbluray       enable BluRay reading using libbluray [no]
176   --enable-libcelt         enable CELT decoding via libcelt [no]
177   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
178   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
179   --enable-libopencv       enable video filtering via libopencv [no]
180   --enable-libcdio         enable audio CD grabbing with libcdio
181   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
182                            and libraw1394 [no]
183   --enable-libfaac         enable FAAC support via libfaac [no]
184   --enable-libfreetype     enable libfreetype [no]
185   --enable-libgsm          enable GSM support via libgsm [no]
186   --enable-libmodplug      enable ModPlug via libmodplug [no]
187   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
188   --enable-libnut          enable NUT (de)muxing via libnut,
189                            native (de)muxer exists [no]
190   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
191   --enable-libpulse        enable Pulseaudio input via libpulse [no]
192   --enable-librtmp         enable RTMP[E] support via librtmp [no]
193   --enable-libschroedinger enable Dirac support via libschroedinger [no]
194   --enable-libspeex        enable Speex support via libspeex [no]
195   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
196   --enable-libtheora       enable Theora encoding via libtheora [no]
197   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
198   --enable-libv4l2         enable libv4l2/v4l-utils [no]
199   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
200   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
201   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
202                            native implementation exists [no]
203   --enable-libvpx          enable VP8 support via libvpx [no]
204   --enable-libx264         enable H.264 encoding via x264 [no]
205   --enable-libxavs         enable AVS encoding via xavs [no]
206   --enable-libxvid         enable Xvid encoding via xvidcore,
207                            native MPEG-4/Xvid encoder exists [no]
208   --enable-openal          enable OpenAL 1.1 capture support [no]
209   --enable-openssl         enable openssl [no]
210   --enable-zlib            enable zlib [autodetect]
211
212 Advanced options (experts only):
213   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
214   --enable-cross-compile   assume a cross-compiler is used
215   --sysroot=PATH           root of cross-build tree
216   --sysinclude=PATH        location of cross-build system headers
217   --target-os=OS           compiler targets OS [$target_os]
218   --target-exec=CMD        command to run executables on target
219   --target-path=DIR        path to view of build directory on target
220   --nm=NM                  use nm tool NM [$nm_default]
221   --ar=AR                  use archive tool AR [$ar_default]
222   --as=AS                  use assembler AS [$as_default]
223   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
224   --cc=CC                  use C compiler CC [$cc_default]
225   --cxx=CXX                use C compiler CXX [$cxx_default]
226   --ld=LD                  use linker LD [$ld_default]
227   --host-cc=HOSTCC         use host C compiler HOSTCC
228   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
229   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
230   --host-libs=HLIBS        use libs HLIBS when linking for host
231   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
232   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
233   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
234   --extra-libs=ELIBS       add ELIBS [$ELIBS]
235   --extra-version=STRING   version string suffix []
236   --optflags               override optimization-related compiler flags
237   --build-suffix=SUFFIX    library name suffix []
238   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
239   --progs-suffix=SUFFIX    program name suffix []
240   --arch=ARCH              select architecture [$arch]
241   --cpu=CPU                select the minimum required CPU (affects
242                            instruction selection, may crash on older CPUs)
243   --enable-pic             build position-independent code
244   --enable-sram            allow use of on-chip SRAM
245   --disable-symver         disable symbol versioning
246   --disable-fastdiv        disable table-based division
247   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
248   --disable-safe-bitstream-reader
249                            disable buffer boundary checking in bitreaders
250                            (faster, but may crash)
251   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
252
253 Optimization options (experts only):
254   --disable-asm            disable all assembler optimizations
255   --disable-altivec        disable AltiVec optimizations
256   --disable-amd3dnow       disable 3DNow! optimizations
257   --disable-amd3dnowext    disable 3DNow! extended optimizations
258   --disable-mmx            disable MMX optimizations
259   --disable-mmx2           disable MMX2 optimizations
260   --disable-sse            disable SSE optimizations
261   --disable-ssse3          disable SSSE3 optimizations
262   --disable-avx            disable AVX optimizations
263   --disable-armv5te        disable armv5te optimizations
264   --disable-armv6          disable armv6 optimizations
265   --disable-armv6t2        disable armv6t2 optimizations
266   --disable-armvfp         disable ARM VFP optimizations
267   --disable-mmi            disable MMI optimizations
268   --disable-neon           disable NEON optimizations
269   --disable-vis            disable VIS optimizations
270   --disable-yasm           disable use of yasm assembler
271   --postproc-version=V     build libpostproc version V.
272                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
273
274 Developer options (useful when working on FFmpeg itself):
275   --enable-coverage        build with test coverage instrumentation
276   --disable-debug          disable debugging symbols
277   --enable-debug=LEVEL     set the debug level [$debuglevel]
278   --disable-optimizations  disable compiler optimizations
279   --enable-extra-warnings  enable more compiler warnings
280   --disable-stripping      disable stripping of executables and shared libraries
281   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
282                            2 causes a slowdown at runtime.
283   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
284                            leaks and errors, using the specified valgrind binary.
285                            Cannot be combined with --target-exec
286   --samples=PATH           location of test samples for FATE, if not set use
287                            \$FATE_SAMPLES at make invocation time.
288   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
289                            should be used only for debugging purposes)
290
291 NOTE: Object files are built at the place where configure is launched.
292 EOF
293   exit 0
294 }
295
296 quotes='""'
297
298 log(){
299     echo "$@" >> $logfile
300 }
301
302 log_file(){
303     log BEGIN $1
304     pr -n -t $1 >> $logfile
305     log END $1
306 }
307
308 echolog(){
309     log "$@"
310     echo "$@"
311 }
312
313 warn(){
314     log "WARNING: $*"
315     WARNINGS="${WARNINGS}WARNING: $*\n"
316 }
317
318 die(){
319     echolog "$@"
320     cat <<EOF
321
322 If you think configure made a mistake, make sure you are using the latest
323 version from Git.  If the latest version fails, report the problem to the
324 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
325 EOF
326     if disabled logging; then
327         cat <<EOF
328 Rerun configure with logging enabled (do not use --disable-logging), and
329 include the log this produces with your report.
330 EOF
331     else
332 cat <<EOF
333 Include the log file "$logfile" produced by configure as this will help
334 solving the problem.
335 EOF
336     fi
337     exit 1
338 }
339
340 # Avoid locale weirdness, besides we really just want to translate ASCII.
341 toupper(){
342     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
343 }
344
345 tolower(){
346     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
347 }
348
349 c_escape(){
350     echo "$*" | sed 's/["\\]/\\\0/g'
351 }
352
353 sh_quote(){
354     v=$(echo "$1" | sed "s/'/'\\\\''/g")
355     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
356     echo "$v"
357 }
358
359 cleanws(){
360     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
361 }
362
363 filter(){
364     pat=$1
365     shift
366     for v; do
367         eval "case $v in $pat) echo $v ;; esac"
368     done
369 }
370
371 filter_out(){
372     pat=$1
373     shift
374     for v; do
375         eval "case $v in $pat) ;; *) echo $v ;; esac"
376     done
377 }
378
379 map(){
380     m=$1
381     shift
382     for v; do eval $m; done
383 }
384
385 set_all(){
386     value=$1
387     shift
388     for var in $*; do
389         eval $var=$value
390     done
391 }
392
393 set_weak(){
394     value=$1
395     shift
396     for var; do
397         eval : \${$var:=$value}
398     done
399 }
400
401 set_safe(){
402     var=$1
403     shift
404     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
405 }
406
407 get_safe(){
408     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
409 }
410
411 pushvar(){
412     for var in $*; do
413         eval level=\${${var}_level:=0}
414         eval ${var}_${level}="\$$var"
415         eval ${var}_level=$(($level+1))
416     done
417 }
418
419 popvar(){
420     for var in $*; do
421         eval level=\${${var}_level:-0}
422         test $level = 0 && continue
423         eval level=$(($level-1))
424         eval $var="\${${var}_${level}}"
425         eval ${var}_level=$level
426         eval unset ${var}_${level}
427     done
428 }
429
430 enable(){
431     set_all yes $*
432 }
433
434 disable(){
435     set_all no $*
436 }
437
438 enable_weak(){
439     set_weak yes $*
440 }
441
442 disable_weak(){
443     set_weak no $*
444 }
445
446 enable_safe(){
447     for var; do
448         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
449     done
450 }
451
452 disable_safe(){
453     for var; do
454         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
455     done
456 }
457
458 do_enable_deep(){
459     for var; do
460         enabled $var && continue
461         eval sel="\$${var}_select"
462         eval sgs="\$${var}_suggest"
463         pushvar var sgs
464         enable_deep $sel
465         popvar sgs
466         enable_deep_weak $sgs
467         popvar var
468     done
469 }
470
471 enable_deep(){
472     do_enable_deep $*
473     enable $*
474 }
475
476 enable_deep_weak(){
477     do_enable_deep $*
478     enable_weak $*
479 }
480
481 enabled(){
482     test "${1#!}" = "$1" && op== || op=!=
483     eval test "x\$${1#!}" $op "xyes"
484 }
485
486 disabled(){
487     test "${1#!}" = "$1" && op== || op=!=
488     eval test "x\$${1#!}" $op "xno"
489 }
490
491 enabled_all(){
492     for opt; do
493         enabled $opt || return 1
494     done
495 }
496
497 disabled_all(){
498     for opt; do
499         disabled $opt || return 1
500     done
501 }
502
503 enabled_any(){
504     for opt; do
505         enabled $opt && return 0
506     done
507 }
508
509 disabled_any(){
510     for opt; do
511         disabled $opt && return 0
512     done
513     return 1
514 }
515
516 set_default(){
517     for opt; do
518         eval : \${$opt:=\$${opt}_default}
519     done
520 }
521
522 is_in(){
523     value=$1
524     shift
525     for var in $*; do
526         [ $var = $value ] && return 0
527     done
528     return 1
529 }
530
531 check_deps(){
532     for cfg; do
533         cfg="${cfg#!}"
534         enabled ${cfg}_checking && die "Circular dependency for $cfg."
535         disabled ${cfg}_checking && continue
536         enable ${cfg}_checking
537
538         eval dep_all="\$${cfg}_deps"
539         eval dep_any="\$${cfg}_deps_any"
540         eval dep_sel="\$${cfg}_select"
541         eval dep_sgs="\$${cfg}_suggest"
542         eval dep_ifa="\$${cfg}_if"
543         eval dep_ifn="\$${cfg}_if_any"
544
545         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
546         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
547         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
548
549         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
550         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
551         enabled_all  $dep_all || disable $cfg
552         enabled_any  $dep_any || disable $cfg
553         disabled_any $dep_sel && disable $cfg
554
555         if enabled $cfg; then
556             eval dep_extralibs="\$${cfg}_extralibs"
557             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
558             enable_deep $dep_sel
559             enable_deep_weak $dep_sgs
560         fi
561
562         disable ${cfg}_checking
563     done
564 }
565
566 print_config_h(){
567     enabled $1 && v=1 || v=0
568     echo "#define $2 $v"
569 }
570
571 print_config_mak(){
572     enabled $1 && v= || v=!
573     echo "$v$2=yes"
574 }
575
576 print_config_asm(){
577     enabled $1 && v=1 || v=0
578     echo "%define $2 $v"
579 }
580
581 print_config(){
582     pfx=$1
583     files=$2
584     shift 2
585     for cfg; do
586         ucname="$(toupper $cfg)"
587         for f in $files; do
588             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
589         done
590     done
591 }
592
593 print_enabled(){
594     test "$1" = -n && end=" " && shift || end="\n"
595     suf=$1
596     shift
597     for v; do
598         enabled $v && printf "%s$end" ${v%$suf};
599     done
600 }
601
602 append(){
603     var=$1
604     shift
605     eval "$var=\"\$$var $*\""
606 }
607
608 prepend(){
609     var=$1
610     shift
611     eval "$var=\"$* \$$var\""
612 }
613
614 add_cppflags(){
615     append CPPFLAGS $($filter_cppflags "$@")
616 }
617
618 add_cflags(){
619     append CFLAGS $($filter_cflags "$@")
620 }
621
622 add_cxxflags(){
623     append CXXFLAGS $($filter_cflags "$@")
624 }
625
626 add_asflags(){
627     append ASFLAGS $($filter_asflags "$@")
628 }
629
630 add_ldflags(){
631     append LDFLAGS "$@"
632 }
633
634 add_extralibs(){
635     prepend extralibs "$@"
636 }
637
638 check_cmd(){
639     log "$@"
640     "$@" >> $logfile 2>&1
641 }
642
643 check_cc(){
644     log check_cc "$@"
645     cat > $TMPC
646     log_file $TMPC
647     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
648 }
649
650 check_cxx(){
651     log check_cxx "$@"
652     cat > $TMPCPP
653     log_file $TMPCPP
654     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
655 }
656
657 check_cpp(){
658     log check_cpp "$@"
659     cat > $TMPC
660     log_file $TMPC
661     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
662 }
663
664 check_as(){
665     log check_as "$@"
666     cat > $TMPC
667     log_file $TMPC
668     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
669 }
670
671 check_asm(){
672     log check_asm "$@"
673     name="$1"
674     code="$2"
675     shift 2
676     disable $name
677     check_as "$@" <<EOF && enable $name
678 void foo(void){ __asm__ volatile($code); }
679 EOF
680 }
681
682 check_yasm(){
683     log check_yasm "$@"
684     echo "$1" > $TMPS
685     log_file $TMPS
686     shift 1
687     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
688 }
689
690 check_ld(){
691     log check_ld "$@"
692     type=$1
693     shift 1
694     flags=''
695     libs=''
696     for f; do
697         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
698     done
699     check_$type $($filter_cflags $flags) || return
700     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
701 }
702
703 check_cppflags(){
704     log check_cppflags "$@"
705     set -- $($filter_cppflags "$@")
706     check_cc "$@" <<EOF && append CPPFLAGS "$@"
707 int x;
708 EOF
709 }
710
711 check_cflags(){
712     log check_cflags "$@"
713     set -- $($filter_cflags "$@")
714     check_cc "$@" <<EOF && append CFLAGS "$@"
715 int x;
716 EOF
717 }
718
719 check_cxxflags(){
720     log check_cxxflags "$@"
721     set -- $($filter_cflags "$@")
722     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
723 int x;
724 EOF
725 }
726
727 test_ldflags(){
728     log test_ldflags "$@"
729     check_ld "cc" "$@" <<EOF
730 int main(void){ return 0; }
731 EOF
732 }
733
734 check_ldflags(){
735     log check_ldflags "$@"
736     test_ldflags "$@" && add_ldflags "$@"
737 }
738
739 check_header(){
740     log check_header "$@"
741     header=$1
742     shift
743     disable_safe $header
744     check_cpp "$@" <<EOF && enable_safe $header
745 #include <$header>
746 int x;
747 EOF
748 }
749
750 check_func(){
751     log check_func "$@"
752     func=$1
753     shift
754     disable $func
755     check_ld "cc" "$@" <<EOF && enable $func
756 extern int $func();
757 int main(void){ $func(); }
758 EOF
759 }
760
761 check_mathfunc(){
762     log check_mathfunc "$@"
763     func=$1
764     shift
765     disable $func
766     check_ld "cc" "$@" <<EOF && enable $func
767 #include <math.h>
768 float foo(float f) { return $func(f); }
769 int main(void){ return (int) foo; }
770 EOF
771 }
772
773 check_func_headers(){
774     log check_func_headers "$@"
775     headers=$1
776     funcs=$2
777     shift 2
778     {
779         for hdr in $headers; do
780             echo "#include <$hdr>"
781         done
782         for func in $funcs; do
783             echo "long check_$func(void) { return (long) $func; }"
784         done
785         echo "int main(void) { return 0; }"
786     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
787 }
788
789 check_class_headers_cpp(){
790     log check_class_headers_cpp "$@"
791     headers=$1
792     classes=$2
793     shift 2
794     {
795         for hdr in $headers; do
796             echo "#include <$hdr>"
797         done
798         echo "int main(void) { "
799         i=1
800         for class in $classes; do
801             echo "$class obj$i;"
802             i=$(expr $i + 1)
803         done
804         echo "return 0; }"
805     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
806 }
807
808 check_cpp_condition(){
809     log check_cpp_condition "$@"
810     header=$1
811     condition=$2
812     shift 2
813     check_cpp $($filter_cppflags "$@") <<EOF
814 #include <$header>
815 #if !($condition)
816 #error "unsatisfied condition: $condition"
817 #endif
818 EOF
819 }
820
821 check_lib(){
822     log check_lib "$@"
823     header="$1"
824     func="$2"
825     shift 2
826     check_header $header && check_func $func "$@" && add_extralibs "$@"
827 }
828
829 check_lib2(){
830     log check_lib2 "$@"
831     headers="$1"
832     funcs="$2"
833     shift 2
834     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
835 }
836
837 check_lib_cpp(){
838     log check_lib_cpp "$@"
839     headers="$1"
840     classes="$2"
841     shift 2
842     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
843 }
844
845 check_pkg_config(){
846     log check_pkg_config "$@"
847     pkg="$1"
848     headers="$2"
849     funcs="$3"
850     shift 3
851     $pkg_config --exists $pkg 2>/dev/null || return
852     pkg_cflags=$($pkg_config --cflags $pkg)
853     pkg_libs=$($pkg_config --libs $pkg)
854     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
855         set_safe ${pkg}_cflags $pkg_cflags   &&
856         set_safe ${pkg}_libs   $pkg_libs
857 }
858
859 check_exec(){
860     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
861 }
862
863 check_exec_crash(){
864     code=$(cat)
865
866     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
867     # are safe but may not be available everywhere.  Thus we use
868     # raise(SIGTERM) instead.  The check is run in a subshell so we
869     # can redirect the "Terminated" message from the shell.  SIGBUS
870     # is not defined by standard C so it is used conditionally.
871
872     (check_exec "$@") >> $logfile 2>&1 <<EOF
873 #include <signal.h>
874 static void sighandler(int sig){
875     raise(SIGTERM);
876 }
877 int func(void){
878     $code
879 }
880 int (*func_ptr)(void) = func;
881 int main(void){
882     signal(SIGILL, sighandler);
883     signal(SIGFPE, sighandler);
884     signal(SIGSEGV, sighandler);
885 #ifdef SIGBUS
886     signal(SIGBUS, sighandler);
887 #endif
888     return func_ptr();
889 }
890 EOF
891 }
892
893 check_type(){
894     log check_type "$@"
895     headers=$1
896     type=$2
897     shift 2
898     disable_safe "$type"
899     incs=""
900     for hdr in $headers; do
901         incs="$incs
902 #include <$hdr>"
903     done
904     check_cc "$@" <<EOF && enable_safe "$type"
905 $incs
906 $type v;
907 EOF
908 }
909
910 check_struct(){
911     log check_type "$@"
912     headers=$1
913     struct=$2
914     member=$3
915     shift 3
916     disable_safe "${struct}_${member}"
917     incs=""
918     for hdr in $headers; do
919         incs="$incs
920 #include <$hdr>"
921     done
922     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
923 $incs
924 const void *p = &(($struct *)0)->$member;
925 EOF
926 }
927
928 require(){
929     name="$1"
930     header="$2"
931     func="$3"
932     shift 3
933     check_lib $header $func "$@" || die "ERROR: $name not found"
934 }
935
936 require2(){
937     name="$1"
938     headers="$2"
939     func="$3"
940     shift 3
941     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
942 }
943
944 require_cpp(){
945     name="$1"
946     headers="$2"
947     classes="$3"
948     shift 3
949     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
950 }
951
952 require_pkg_config(){
953     pkg="$1"
954     check_pkg_config "$@" || die "ERROR: $pkg not found"
955     add_cflags    $(get_safe ${pkg}_cflags)
956     add_extralibs $(get_safe ${pkg}_libs)
957 }
958
959 check_host_cc(){
960     log check_host_cc "$@"
961     cat > $TMPC
962     log_file $TMPC
963     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
964 }
965
966 check_host_cflags(){
967     log check_host_cflags "$@"
968     check_host_cc "$@" <<EOF && append host_cflags "$@"
969 int x;
970 EOF
971 }
972
973 apply(){
974     file=$1
975     shift
976     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
977 }
978
979 cp_if_changed(){
980     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
981     mkdir -p "$(dirname $2)"
982     cp -f "$1" "$2"
983 }
984
985 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
986 # system-dependent things.
987
988 COMPONENT_LIST="
989     bsfs
990     decoders
991     demuxers
992     encoders
993     filters
994     hwaccels
995     indevs
996     muxers
997     outdevs
998     parsers
999     protocols
1000 "
1001
1002 PROGRAM_LIST="
1003     ffplay
1004     ffprobe
1005     ffserver
1006     ffmpeg
1007 "
1008
1009 CONFIG_LIST="
1010     $COMPONENT_LIST
1011     $PROGRAM_LIST
1012     ac3dsp
1013     avcodec
1014     avdevice
1015     avfilter
1016     avformat
1017     avresample
1018     avisynth
1019     bzlib
1020     crystalhd
1021     dct
1022     doc
1023     dwt
1024     dxva2
1025     fastdiv
1026     fft
1027     fontconfig
1028     frei0r
1029     gnutls
1030     gpl
1031     gray
1032     hardcoded_tables
1033     libaacplus
1034     libass
1035     libbluray
1036     libcdio
1037     libcelt
1038     libdc1394
1039     libfaac
1040     libfreetype
1041     libgsm
1042     libmodplug
1043     libmp3lame
1044     libnut
1045     libopencore_amrnb
1046     libopencore_amrwb
1047     libopencv
1048     libopenjpeg
1049     libpulse
1050     librtmp
1051     libschroedinger
1052     libspeex
1053     libstagefright_h264
1054     libtheora
1055     libutvideo
1056     libv4l2
1057     libvo_aacenc
1058     libvo_amrwbenc
1059     libvorbis
1060     libvpx
1061     libx264
1062     libxavs
1063     libxvid
1064     lsp
1065     mdct
1066     memalign_hack
1067     mpegaudiodsp
1068     network
1069     nonfree
1070     openal
1071     openssl
1072     pic
1073     postproc
1074     rdft
1075     rtpdec
1076     runtime_cpudetect
1077     safe_bitstream_reader
1078     shared
1079     sinewin
1080     small
1081     sram
1082     static
1083     swresample
1084     swscale
1085     swscale_alpha
1086     thumb
1087     vaapi
1088     vda
1089     vdpau
1090     version3
1091     xmm_clobber_test
1092     x11grab
1093     zlib
1094 "
1095
1096 THREADS_LIST='
1097     pthreads
1098     w32threads
1099     os2threads
1100 '
1101
1102 ARCH_LIST='
1103     alpha
1104     arm
1105     avr32
1106     avr32_ap
1107     avr32_uc
1108     bfin
1109     ia64
1110     m68k
1111     mips
1112     mips64
1113     parisc
1114     ppc
1115     ppc64
1116     s390
1117     sh4
1118     sparc
1119     sparc64
1120     tomi
1121     x86
1122     x86_32
1123     x86_64
1124 '
1125
1126 ARCH_EXT_LIST='
1127     altivec
1128     amd3dnow
1129     amd3dnowext
1130     armv5te
1131     armv6
1132     armv6t2
1133     armvfp
1134     avx
1135     mmi
1136     mmx
1137     mmx2
1138     neon
1139     ppc4xx
1140     sse
1141     ssse3
1142     vfpv3
1143     vis
1144 '
1145
1146 HAVE_LIST_PUB='
1147     bigendian
1148     fast_unaligned
1149 '
1150
1151 HAVE_LIST="
1152     $ARCH_EXT_LIST
1153     $HAVE_LIST_PUB
1154     $THREADS_LIST
1155     aligned_stack
1156     alsa_asoundlib_h
1157     altivec_h
1158     arpa_inet_h
1159     asm_mod_y
1160     asm_types_h
1161     attribute_may_alias
1162     attribute_packed
1163     cbrtf
1164     clock_gettime
1165     closesocket
1166     cmov
1167     dcbzl
1168     dev_bktr_ioctl_bt848_h
1169     dev_bktr_ioctl_meteor_h
1170     dev_ic_bt8xx_h
1171     dev_video_bktr_ioctl_bt848_h
1172     dev_video_meteor_ioctl_meteor_h
1173     dlfcn_h
1174     dlopen
1175     dos_paths
1176     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     netinet_sctp_h
1221     PeekNamedPipe
1222     poll_h
1223     posix_memalign
1224     pthread_cancel
1225     round
1226     roundf
1227     sched_getaffinity
1228     sdl
1229     sdl_video_size
1230     setmode
1231     setrlimit
1232     sndio_h
1233     socklen_t
1234     soundcard_h
1235     strerror_r
1236     strptime
1237     struct_addrinfo
1238     struct_ipv6_mreq
1239     struct_rusage_ru_maxrss
1240     struct_sockaddr_in6
1241     struct_sockaddr_sa_len
1242     struct_sockaddr_storage
1243     struct_v4l2_frmivalenum_discrete
1244     symver
1245     symver_asm_label
1246     symver_gnu_asm
1247     sysconf
1248     sysctl
1249     sys_mman_h
1250     sys_param_h
1251     sys_resource_h
1252     sys_select_h
1253     sys_soundcard_h
1254     sys_videoio_h
1255     termios_h
1256     threads
1257     trunc
1258     truncf
1259     vfp_args
1260     VirtualAlloc
1261     winsock2_h
1262     xform_asm
1263     xmm_clobbers
1264     yasm
1265 "
1266
1267 # options emitted with CONFIG_ prefix but not available on command line
1268 CONFIG_EXTRA="
1269     aandct
1270     avutil
1271     golomb
1272     gplv3
1273     h264chroma
1274     h264dsp
1275     h264pred
1276     h264qpel
1277     huffman
1278     lgplv3
1279     lpc
1280 "
1281
1282 CMDLINE_SELECT="
1283     $ARCH_EXT_LIST
1284     $CONFIG_LIST
1285     $THREADS_LIST
1286     asm
1287     coverage
1288     cross_compile
1289     debug
1290     extra_warnings
1291     logging
1292     optimizations
1293     stripping
1294     symver
1295     yasm
1296 "
1297
1298 PATHS_LIST='
1299     bindir
1300     datadir
1301     incdir
1302     libdir
1303     mandir
1304     prefix
1305     shlibdir
1306 '
1307
1308 CMDLINE_SET="
1309     $PATHS_LIST
1310     ar
1311     arch
1312     as
1313     assert_level
1314     build_suffix
1315     cc
1316     cpu
1317     cross_prefix
1318     cxx
1319     dep_cc
1320     extra_version
1321     host_cc
1322     host_cflags
1323     host_ldflags
1324     host_libs
1325     host_os
1326     install
1327     ld
1328     logfile
1329     malloc_prefix
1330     nm
1331     optflags
1332     pkg_config
1333     postproc_version
1334     progs_suffix
1335     samples
1336     strip
1337     sysinclude
1338     sysroot
1339     target_exec
1340     target_os
1341     target_path
1342     valgrind
1343     yasmexe
1344 "
1345
1346 CMDLINE_APPEND="
1347     extra_cflags
1348     extra_cxxflags
1349 "
1350
1351 # code dependency declarations
1352
1353 # architecture extensions
1354
1355 armv5te_deps="arm"
1356 armv6_deps="arm"
1357 armv6t2_deps="arm"
1358 armvfp_deps="arm"
1359 neon_deps="arm"
1360 vfpv3_deps="armvfp"
1361
1362 mmi_deps="mips"
1363
1364 altivec_deps="ppc"
1365 ppc4xx_deps="ppc"
1366
1367 vis_deps="sparc"
1368
1369 x86_64_suggest="cmov fast_cmov"
1370 amd3dnow_deps="mmx"
1371 amd3dnowext_deps="amd3dnow"
1372 mmx_deps="x86"
1373 mmx2_deps="mmx"
1374 sse_deps="mmx"
1375 ssse3_deps="sse"
1376 avx_deps="ssse3"
1377
1378 aligned_stack_if_any="ppc x86"
1379 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1380 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1381 fast_unaligned_if_any="armv6 ppc x86"
1382
1383 inline_asm_deps="!tms470"
1384 need_memalign="altivec neon sse"
1385
1386 symver_if_any="symver_asm_label symver_gnu_asm"
1387
1388 # subsystems
1389 dct_select="rdft"
1390 mdct_select="fft"
1391 rdft_select="fft"
1392 mpegaudiodsp_select="dct"
1393
1394 # decoders / encoders / hardware accelerators
1395 aac_decoder_select="mdct sinewin"
1396 aac_encoder_select="mdct sinewin"
1397 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1398 ac3_decoder_select="mdct ac3dsp ac3_parser"
1399 ac3_encoder_select="mdct ac3dsp"
1400 ac3_fixed_encoder_select="mdct ac3dsp"
1401 alac_encoder_select="lpc"
1402 amrnb_decoder_select="lsp"
1403 amrwb_decoder_select="lsp"
1404 atrac1_decoder_select="mdct sinewin"
1405 atrac3_decoder_select="mdct"
1406 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1407 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1408 cavs_decoder_select="golomb"
1409 cook_decoder_select="mdct sinewin"
1410 cscd_decoder_suggest="zlib"
1411 dca_decoder_select="mdct"
1412 dnxhd_encoder_select="aandct"
1413 dxa_decoder_select="zlib"
1414 eac3_decoder_select="ac3_decoder"
1415 eac3_encoder_select="mdct ac3dsp"
1416 eamad_decoder_select="aandct"
1417 eatgq_decoder_select="aandct"
1418 eatqi_decoder_select="aandct"
1419 ffv1_decoder_select="golomb"
1420 flac_decoder_select="golomb"
1421 flac_encoder_select="golomb lpc"
1422 flashsv_decoder_select="zlib"
1423 flashsv_encoder_select="zlib"
1424 flashsv2_encoder_select="zlib"
1425 flashsv2_decoder_select="zlib"
1426 flv_decoder_select="h263_decoder"
1427 flv_encoder_select="h263_encoder"
1428 fraps_decoder_select="huffman"
1429 h261_encoder_select="aandct"
1430 h263_decoder_select="h263_parser"
1431 h263_encoder_select="aandct"
1432 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1433 h263i_decoder_select="h263_decoder"
1434 h263p_encoder_select="h263_encoder"
1435 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1436 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1437 h264_dxva2_hwaccel_deps="dxva2api_h"
1438 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1439 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1440 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1441 h264_vda_hwaccel_select="vda h264_decoder"
1442 h264_vdpau_decoder_select="vdpau h264_decoder"
1443 imc_decoder_select="fft mdct sinewin"
1444 jpegls_decoder_select="golomb"
1445 jpegls_encoder_select="golomb"
1446 ljpeg_encoder_select="aandct"
1447 loco_decoder_select="golomb"
1448 mjpeg_encoder_select="aandct"
1449 mlp_decoder_select="mlp_parser"
1450 mp1_decoder_select="mpegaudiodsp"
1451 mp1float_decoder_select="mpegaudiodsp"
1452 mp2_decoder_select="mpegaudiodsp"
1453 mp2float_decoder_select="mpegaudiodsp"
1454 mp3_decoder_select="mpegaudiodsp"
1455 mp3adu_decoder_select="mpegaudiodsp"
1456 mp3adufloat_decoder_select="mpegaudiodsp"
1457 mp3float_decoder_select="mpegaudiodsp"
1458 mp3on4_decoder_select="mpegaudiodsp"
1459 mp3on4float_decoder_select="mpegaudiodsp"
1460 mpc7_decoder_select="mpegaudiodsp"
1461 mpc8_decoder_select="mpegaudiodsp"
1462 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1463 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1464 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1465 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1466 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1467 mpeg1video_encoder_select="aandct"
1468 mpeg2_crystalhd_decoder_select="crystalhd"
1469 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1470 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1471 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1472 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1473 mpeg2video_encoder_select="aandct"
1474 mpeg4_crystalhd_decoder_select="crystalhd"
1475 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1476 mpeg4_encoder_select="h263_encoder"
1477 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1478 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1479 msmpeg4_crystalhd_decoder_select="crystalhd"
1480 msmpeg4v1_decoder_select="h263_decoder"
1481 msmpeg4v1_encoder_select="h263_encoder"
1482 msmpeg4v2_decoder_select="h263_decoder"
1483 msmpeg4v2_encoder_select="h263_encoder"
1484 msmpeg4v3_decoder_select="h263_decoder"
1485 msmpeg4v3_encoder_select="h263_encoder"
1486 nellymoser_decoder_select="mdct sinewin"
1487 nellymoser_encoder_select="mdct sinewin"
1488 png_decoder_select="zlib"
1489 png_encoder_select="zlib"
1490 qcelp_decoder_select="lsp"
1491 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1492 ra_144_encoder_select="lpc"
1493 ralf_decoder_select="golomb"
1494 rv10_decoder_select="h263_decoder"
1495 rv10_encoder_select="h263_encoder"
1496 rv20_decoder_select="h263_decoder"
1497 rv20_encoder_select="h263_encoder"
1498 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1499 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1500 shorten_decoder_select="golomb"
1501 sipr_decoder_select="lsp"
1502 snow_decoder_select="dwt"
1503 snow_encoder_select="aandct dwt"
1504 sonic_decoder_select="golomb"
1505 sonic_encoder_select="golomb"
1506 sonic_ls_encoder_select="golomb"
1507 svq1_encoder_select="aandct"
1508 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1509 svq3_decoder_suggest="zlib"
1510 theora_decoder_select="vp3_decoder"
1511 tiff_decoder_suggest="zlib"
1512 tiff_encoder_suggest="zlib"
1513 truehd_decoder_select="mlp_decoder"
1514 tscc_decoder_select="zlib"
1515 twinvq_decoder_select="mdct lsp sinewin"
1516 vc1_crystalhd_decoder_select="crystalhd"
1517 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1518 vc1_dxva2_hwaccel_deps="dxva2api_h"
1519 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1520 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1521 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1522 vc1image_decoder_select="vc1_decoder"
1523 vorbis_decoder_select="mdct"
1524 vorbis_encoder_select="mdct"
1525 vp6_decoder_select="huffman"
1526 vp6a_decoder_select="vp6_decoder"
1527 vp6f_decoder_select="vp6_decoder"
1528 vp8_decoder_select="h264pred h264qpel"
1529 wmapro_decoder_select="mdct sinewin"
1530 wmav1_decoder_select="mdct sinewin"
1531 wmav1_encoder_select="mdct sinewin"
1532 wmav2_decoder_select="mdct sinewin"
1533 wmav2_encoder_select="mdct sinewin"
1534 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1535 wmv1_decoder_select="h263_decoder"
1536 wmv1_encoder_select="h263_encoder"
1537 wmv2_decoder_select="h263_decoder"
1538 wmv2_encoder_select="h263_encoder"
1539 wmv3_decoder_select="vc1_decoder"
1540 wmv3_crystalhd_decoder_select="crystalhd"
1541 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1542 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1543 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1544 wmv3image_decoder_select="wmv3_decoder"
1545 zerocodec_decoder_select="zlib"
1546 zlib_decoder_select="zlib"
1547 zlib_encoder_select="zlib"
1548 zmbv_decoder_select="zlib"
1549 zmbv_encoder_select="zlib"
1550
1551 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1552 vaapi_deps="va_va_h"
1553 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1554 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1555
1556 # parsers
1557 h264_parser_select="golomb h264dsp h264pred"
1558
1559 # external libraries
1560 libaacplus_encoder_deps="libaacplus"
1561 libcelt_decoder_deps="libcelt"
1562 libfaac_encoder_deps="libfaac"
1563 libgsm_decoder_deps="libgsm"
1564 libgsm_encoder_deps="libgsm"
1565 libgsm_ms_decoder_deps="libgsm"
1566 libgsm_ms_encoder_deps="libgsm"
1567 libmodplug_demuxer_deps="libmodplug"
1568 libmp3lame_encoder_deps="libmp3lame"
1569 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1570 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1571 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1572 libopenjpeg_decoder_deps="libopenjpeg"
1573 libopenjpeg_encoder_deps="libopenjpeg"
1574 libschroedinger_decoder_deps="libschroedinger"
1575 libschroedinger_encoder_deps="libschroedinger"
1576 libspeex_decoder_deps="libspeex"
1577 libspeex_encoder_deps="libspeex"
1578 libstagefright_h264_decoder_deps="libstagefright_h264"
1579 libtheora_encoder_deps="libtheora"
1580 libvo_aacenc_encoder_deps="libvo_aacenc"
1581 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1582 libvorbis_decoder_deps="libvorbis"
1583 libvorbis_encoder_deps="libvorbis"
1584 libvpx_decoder_deps="libvpx"
1585 libvpx_encoder_deps="libvpx"
1586 libx264_encoder_deps="libx264"
1587 libx264rgb_encoder_deps="libx264"
1588 libxavs_encoder_deps="libxavs"
1589 libxvid_encoder_deps="libxvid"
1590 libutvideo_decoder_deps="libutvideo"
1591 libutvideo_encoder_deps="libutvideo"
1592
1593 # demuxers / muxers
1594 ac3_demuxer_select="ac3_parser"
1595 asf_stream_muxer_select="asf_muxer"
1596 avisynth_demuxer_deps="avisynth"
1597 dirac_demuxer_select="dirac_parser"
1598 eac3_demuxer_select="ac3_parser"
1599 flac_demuxer_select="flac_parser"
1600 ipod_muxer_select="mov_muxer"
1601 libnut_demuxer_deps="libnut"
1602 libnut_muxer_deps="libnut"
1603 matroska_audio_muxer_select="matroska_muxer"
1604 matroska_demuxer_suggest="zlib bzlib"
1605 mov_demuxer_suggest="zlib"
1606 mp3_demuxer_select="mpegaudio_parser"
1607 mp4_muxer_select="mov_muxer"
1608 mpegtsraw_demuxer_select="mpegts_demuxer"
1609 mxf_d10_muxer_select="mxf_muxer"
1610 ogg_demuxer_select="golomb"
1611 psp_muxer_select="mov_muxer"
1612 rtp_demuxer_select="sdp_demuxer"
1613 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1614 rtsp_demuxer_select="http_protocol rtpdec"
1615 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1616 sap_demuxer_select="sdp_demuxer"
1617 sap_muxer_select="rtp_muxer rtp_protocol"
1618 sdp_demuxer_select="rtpdec"
1619 spdif_muxer_select="aac_parser"
1620 tg2_muxer_select="mov_muxer"
1621 tgp_muxer_select="mov_muxer"
1622 w64_demuxer_deps="wav_demuxer"
1623
1624 # indevs / outdevs
1625 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1626 alsa_outdev_deps="alsa_asoundlib_h"
1627 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1628 dshow_indev_deps="IBaseFilter"
1629 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1630 dv1394_indev_deps="dv1394 dv_demuxer"
1631 fbdev_indev_deps="linux_fb_h"
1632 jack_indev_deps="jack_jack_h sem_timedwait"
1633 lavfi_indev_deps="avfilter"
1634 libcdio_indev_deps="libcdio"
1635 libdc1394_indev_deps="libdc1394"
1636 libv4l2_indev_deps="libv4l2"
1637 openal_indev_deps="openal"
1638 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1639 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1640 pulse_indev_deps="libpulse"
1641 sdl_outdev_deps="sdl"
1642 sndio_indev_deps="sndio_h"
1643 sndio_outdev_deps="sndio_h"
1644 v4l_indev_deps="linux_videodev_h"
1645 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1646 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1647 vfwcap_indev_extralibs="-lavicap32"
1648 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1649
1650 # protocols
1651 bluray_protocol_deps="libbluray"
1652 gopher_protocol_deps="network"
1653 httpproxy_protocol_deps="network"
1654 httpproxy_protocol_select="tcp_protocol"
1655 http_protocol_deps="network"
1656 http_protocol_select="tcp_protocol"
1657 https_protocol_select="tls_protocol"
1658 librtmp_protocol_deps="librtmp"
1659 librtmpe_protocol_deps="librtmp"
1660 librtmps_protocol_deps="librtmp"
1661 librtmpt_protocol_deps="librtmp"
1662 librtmpte_protocol_deps="librtmp"
1663 mmsh_protocol_select="http_protocol"
1664 mmst_protocol_deps="network"
1665 rtmp_protocol_deps="!librtmp_protocol"
1666 rtmp_protocol_select="tcp_protocol"
1667 rtp_protocol_select="udp_protocol"
1668 sctp_protocol_deps="network netinet_sctp_h"
1669 tcp_protocol_deps="network"
1670 tls_protocol_deps_any="openssl gnutls"
1671 tls_protocol_select="tcp_protocol"
1672 udp_protocol_deps="network"
1673
1674 # filters
1675 aconvert_filter_deps="swresample"
1676 amovie_filter_deps="avcodec avformat"
1677 aresample_filter_deps="swresample"
1678 ass_filter_deps="libass"
1679 asyncts_filter_deps="avresample"
1680 blackframe_filter_deps="gpl"
1681 boxblur_filter_deps="gpl"
1682 colormatrix_filter_deps="gpl"
1683 cropdetect_filter_deps="gpl"
1684 delogo_filter_deps="gpl"
1685 deshake_filter_deps="avcodec"
1686 drawtext_filter_deps="libfreetype"
1687 frei0r_filter_deps="frei0r dlopen"
1688 frei0r_filter_extralibs='$ldl'
1689 frei0r_src_filter_deps="frei0r dlopen"
1690 frei0r_src_filter_extralibs='$ldl'
1691 hqdn3d_filter_deps="gpl"
1692 movie_filter_deps="avcodec avformat"
1693 mp_filter_deps="gpl avcodec swscale postproc"
1694 mptestsrc_filter_deps="gpl"
1695 negate_filter_deps="lut_filter"
1696 resample_filter_deps="avresample"
1697 ocv_filter_deps="libopencv"
1698 pan_filter_deps="swresample"
1699 removelogo_filter_deps="avcodec avformat swscale"
1700 scale_filter_deps="swscale"
1701 super2xsai_filter_deps="gpl"
1702 tinterlace_filter_deps="gpl"
1703 yadif_filter_deps="gpl"
1704
1705 # libraries
1706 avdevice_deps="avcodec avformat"
1707 avfilter_deps="swscale"
1708 avformat_deps="avcodec"
1709 postproc_deps="gpl"
1710
1711 # programs
1712 ffplay_deps="avcodec avformat swscale swresample sdl"
1713 ffplay_select="buffersink_filter rdft"
1714 ffprobe_deps="avcodec avformat"
1715 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1716 ffserver_extralibs='$ldl'
1717 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1718 ffmpeg_select="buffersink_filter format_filter aformat_filter"
1719
1720 doc_deps="texi2html"
1721
1722 # tests
1723
1724 test_deps(){
1725     suf1=$1
1726     suf2=$2
1727     shift 2
1728     for v; do
1729         dep=${v%=*}
1730         tests=${v#*=}
1731         for name in ${tests}; do
1732             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1733         done
1734     done
1735 }
1736
1737 mxf_d10_test_deps="avfilter"
1738 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1739
1740 test_deps _encoder _decoder                                             \
1741     adpcm_ima_qt                                                        \
1742     adpcm_ima_wav                                                       \
1743     adpcm_ms                                                            \
1744     adpcm_swf                                                           \
1745     adpcm_yamaha=adpcm_yam                                              \
1746     alac                                                                \
1747     asv1                                                                \
1748     asv2                                                                \
1749     bmp                                                                 \
1750     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1751     dvvideo="dv dv_411 dv50"                                            \
1752     ffv1                                                                \
1753     flac                                                                \
1754     flashsv                                                             \
1755     flv                                                                 \
1756     adpcm_g726=g726                                                     \
1757     gif                                                                 \
1758     h261                                                                \
1759     h263="h263 h263p"                                                   \
1760     huffyuv                                                             \
1761     jpegls                                                              \
1762     mjpeg="jpg mjpeg ljpeg"                                             \
1763     mp2                                                                 \
1764     mpeg1video="mpeg mpeg1b"                                            \
1765     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1766     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1767     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1768     mpeg4="mpeg4thread error rc"                                        \
1769     msmpeg4v3=msmpeg4                                                   \
1770     msmpeg4v2                                                           \
1771     pbm=pbmpipe                                                         \
1772     pcx                                                                 \
1773     pgm="pgm pgmpipe"                                                   \
1774     png                                                                 \
1775     ppm="ppm ppmpipe"                                                   \
1776     rawvideo="rgb yuv"                                                  \
1777     roq                                                                 \
1778     rv10                                                                \
1779     rv20                                                                \
1780     sgi                                                                 \
1781     snow="snow snowll"                                                  \
1782     svq1                                                                \
1783     targa=tga                                                           \
1784     tiff                                                                \
1785     wmav1                                                               \
1786     wmav2                                                               \
1787     wmv1                                                                \
1788     wmv2                                                                \
1789
1790 test_deps _muxer _demuxer                                               \
1791     aiff                                                                \
1792     pcm_alaw=alaw                                                       \
1793     asf                                                                 \
1794     au                                                                  \
1795     avi                                                                 \
1796     dv=dv_fmt                                                           \
1797     ffm                                                                 \
1798     flv=flv_fmt                                                         \
1799     gxf                                                                 \
1800     matroska=mkv                                                        \
1801     mmf                                                                 \
1802     mov="mov ismv"                                                      \
1803     pcm_mulaw=mulaw                                                     \
1804     mxf="mxf mxf_d10"                                                   \
1805     nut                                                                 \
1806     ogg="ogg ogg_vp3"                                                   \
1807     rawvideo=pixfmt                                                     \
1808     rm                                                                  \
1809     swf                                                                 \
1810     mpegts=ts                                                           \
1811     voc                                                                 \
1812     wav                                                                 \
1813     yuv4mpegpipe=yuv4mpeg                                               \
1814
1815 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1816 colormatrix1_test_deps="colormatrix_filter"
1817 colormatrix2_test_deps="colormatrix_filter"
1818 flashsv2_test_deps="zlib"
1819 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1820 mpng_test_deps="zlib"
1821 pp_test_deps="mp_filter"
1822 pp2_test_deps="mp_filter"
1823 pp3_test_deps="mp_filter"
1824 pp4_test_deps="mp_filter"
1825 pp5_test_deps="mp_filter"
1826 pp6_test_deps="mp_filter"
1827 zlib_test_deps="zlib"
1828 zmbv_test_deps="zlib"
1829
1830 # default parameters
1831
1832 logfile="config.log"
1833
1834 # installation paths
1835 prefix_default="/usr/local"
1836 bindir_default='${prefix}/bin'
1837 datadir_default='${prefix}/share/ffmpeg'
1838 incdir_default='${prefix}/include'
1839 libdir_default='${prefix}/lib'
1840 mandir_default='${prefix}/share/man'
1841 shlibdir_default="$libdir_default"
1842 postproc_version_default="current"
1843
1844 # toolchain
1845 ar_default="ar"
1846 cc_default="gcc"
1847 cxx_default="g++"
1848 cc_version=\"unknown\"
1849 host_cc_default="gcc"
1850 install="install"
1851 ln_s="ln -sf"
1852 nm_default="nm"
1853 objformat="elf"
1854 pkg_config_default=pkg-config
1855 ranlib="ranlib"
1856 strip_default="strip"
1857 yasmexe_default="yasm"
1858
1859 nm_opts='-g'
1860 nogas=":"
1861
1862 # machine
1863 arch_default=$(uname -m)
1864 cpu="generic"
1865
1866 # OS
1867 target_os_default=$(tolower $(uname -s))
1868 host_os=$target_os_default
1869
1870 # alternative libpostproc version
1871 ALT_PP_VER_MAJOR=51
1872 ALT_PP_VER_MINOR=2
1873 ALT_PP_VER_MICRO=101
1874 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1875
1876 # configurable options
1877 enable $PROGRAM_LIST
1878
1879 enable avcodec
1880 enable avdevice
1881 enable avfilter
1882 enable avformat
1883 enable avutil
1884 enable postproc
1885 enable stripping
1886 enable swresample
1887 enable swscale
1888
1889 enable asm
1890 enable debug
1891 enable doc
1892 enable fastdiv
1893 enable network
1894 enable optimizations
1895 enable safe_bitstream_reader
1896 enable static
1897 enable swscale_alpha
1898
1899 # build settings
1900 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1901 FFSERVERLDFLAGS=-Wl,-E
1902 LIBPREF="lib"
1903 LIBSUF=".a"
1904 FULLNAME='$(NAME)$(BUILDSUF)'
1905 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1906 SLIBPREF="lib"
1907 SLIBSUF=".so"
1908 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1909 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1910 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1911 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1912 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1913 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1914
1915 AS_O='-o $@'
1916 CC_O='-o $@'
1917 CXX_O='-o $@'
1918
1919 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1920 host_libs='-lm'
1921
1922 target_path='$(CURDIR)'
1923
1924 # since the object filename is not given with the -MM flag, the compiler
1925 # is only able to print the basename, and we must add the path ourselves
1926 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1927 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1928
1929 # find source path
1930 if test -f configure; then
1931     source_path=.
1932 else
1933     source_path=$(cd $(dirname "$0"); pwd)
1934     echo "$source_path" | grep -q '[[:blank:]]' &&
1935         die "Out of tree builds are impossible with whitespace in source path."
1936     test -e "$source_path/config.h" &&
1937         die "Out of tree builds are impossible with config.h in source dir."
1938 fi
1939
1940 for v in "$@"; do
1941     r=${v#*=}
1942     l=${v%"$r"}
1943     r=$(sh_quote "$r")
1944     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1945 done
1946
1947 find_things(){
1948     thing=$1
1949     pattern=$2
1950     file=$source_path/$3
1951     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1952 }
1953
1954 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1955 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1956 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1957 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1958 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1959 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1960 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1961 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1962 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1963 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1964 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1965
1966 ALL_COMPONENTS="
1967     $BSF_LIST
1968     $DECODER_LIST
1969     $DEMUXER_LIST
1970     $ENCODER_LIST
1971     $FILTER_LIST
1972     $HWACCEL_LIST
1973     $INDEV_LIST
1974     $MUXER_LIST
1975     $OUTDEV_LIST
1976     $PARSER_LIST
1977     $PROTOCOL_LIST
1978 "
1979
1980 find_tests(){
1981     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1982 }
1983
1984 ACODEC_TESTS=$(find_tests acodec)
1985 VCODEC_TESTS=$(find_tests vsynth1)
1986 LAVF_FATE_TESTS=$(find_tests lavf-fate)
1987 LAVF_TESTS=$(find_tests lavf)
1988 LAVFI_TESTS=$(find_tests lavfi)
1989 SEEK_TESTS=$(find_tests seek seek_)
1990
1991 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1992
1993 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1994
1995 for n in $COMPONENT_LIST; do
1996     v=$(toupper ${n%s})_LIST
1997     eval enable \$$v
1998     eval ${n}_if_any="\$$v"
1999 done
2000
2001 enable $ARCH_EXT_LIST $ALL_TESTS
2002
2003 die_unknown(){
2004     echo "Unknown option \"$1\"."
2005     echo "See $0 --help for available options."
2006     exit 1
2007 }
2008
2009 show_list() {
2010     suffix=_$1
2011     shift
2012     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2013     exit 0
2014 }
2015
2016 for opt do
2017     optval="${opt#*=}"
2018     case "$opt" in
2019     --extra-ldflags=*) add_ldflags $optval
2020     ;;
2021     --extra-libs=*) add_extralibs $optval
2022     ;;
2023     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2024     ;;
2025     --enable-debug=*) debuglevel="$optval"
2026     ;;
2027     --disable-everything)
2028     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2029     ;;
2030     --enable-*=*|--disable-*=*)
2031     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2032     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2033     eval list=\$$(toupper $thing)_LIST
2034     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2035     $action $(filter "$name" $list)
2036     ;;
2037     --enable-?*|--disable-?*)
2038     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2039     if is_in $option $COMPONENT_LIST; then
2040         test $action = disable && action=unset
2041         eval $action \$$(toupper ${option%s})_LIST
2042     elif is_in $option $CMDLINE_SELECT; then
2043         $action $option
2044     else
2045         die_unknown $opt
2046     fi
2047     ;;
2048     --list-*)
2049         NAME="${opt#--list-}"
2050         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2051         NAME=${NAME%s}
2052         eval show_list $NAME \$$(toupper $NAME)_LIST
2053     ;;
2054     --help|-h) show_help
2055     ;;
2056     *)
2057     optname="${opt%%=*}"
2058     optname="${optname#--}"
2059     optname=$(echo "$optname" | sed 's/-/_/g')
2060     if is_in $optname $CMDLINE_SET; then
2061         eval $optname='$optval'
2062     elif is_in $optname $CMDLINE_APPEND; then
2063         append $optname "$optval"
2064     else
2065          die_unknown $opt
2066     fi
2067     ;;
2068     esac
2069 done
2070
2071 disabled logging && logfile=/dev/null
2072
2073 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2074 set >> $logfile
2075
2076 test -n "$cross_prefix" && enable cross_compile
2077
2078 if enabled cross_compile; then
2079     test -n "$arch" && test -n "$target_os" ||
2080         die "Must specify target arch and OS when cross-compiling"
2081 fi
2082
2083 set_default arch target_os postproc_version
2084
2085 # Check if we should build alternative libpostproc version instead of current
2086 if   test "$postproc_version" = $ALT_PP_VER; then
2087   LIBPOSTPROC_VERSION=$ALT_PP_VER
2088   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2089   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2090   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2091 elif test "$postproc_version" != current; then
2092   die "Invalid argument to --postproc-version. See --help output."
2093 fi
2094
2095 ar_default="${cross_prefix}${ar_default}"
2096 cc_default="${cross_prefix}${cc_default}"
2097 cxx_default="${cross_prefix}${cxx_default}"
2098 nm_default="${cross_prefix}${nm_default}"
2099 pkg_config_default="${cross_prefix}${pkg_config_default}"
2100 ranlib="${cross_prefix}${ranlib}"
2101 strip_default="${cross_prefix}${strip_default}"
2102
2103 sysinclude_default="${sysroot}/usr/include"
2104
2105 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2106 enabled cross_compile || host_cc_default=$cc
2107 set_default host_cc
2108
2109 if ! $pkg_config --version >/dev/null 2>&1; then
2110     warn "$pkg_config not found, library detection may fail."
2111     pkg_config=false
2112 fi
2113
2114 exesuf() {
2115     case $1 in
2116         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2117     esac
2118 }
2119
2120 EXESUF=$(exesuf $target_os)
2121 HOSTEXESUF=$(exesuf $host_os)
2122
2123 # set temporary file name
2124 : ${TMPDIR:=$TEMPDIR}
2125 : ${TMPDIR:=$TMP}
2126 : ${TMPDIR:=/tmp}
2127
2128 if ! check_cmd mktemp -u XXXXXX; then
2129     # simple replacement for missing mktemp
2130     # NOT SAFE FOR GENERAL USE
2131     mktemp(){
2132         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2133     }
2134 fi
2135
2136 tmpfile(){
2137     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2138         (set -C; exec > $tmp) 2>/dev/null ||
2139         die "Unable to create temporary file in $TMPDIR."
2140     append TMPFILES $tmp
2141     eval $1=$tmp
2142 }
2143
2144 trap 'rm -f -- $TMPFILES' EXIT
2145
2146 tmpfile TMPASM .asm
2147 tmpfile TMPC   .c
2148 tmpfile TMPCPP .cpp
2149 tmpfile TMPE   $EXESUF
2150 tmpfile TMPH   .h
2151 tmpfile TMPO   .o
2152 tmpfile TMPS   .S
2153 tmpfile TMPSH  .sh
2154 tmpfile TMPV   .ver
2155
2156 unset -f mktemp
2157
2158 chmod +x $TMPE
2159
2160 # make sure we can execute files in $TMPDIR
2161 cat > $TMPSH 2>> $logfile <<EOF
2162 #! /bin/sh
2163 EOF
2164 chmod +x $TMPSH >> $logfile 2>&1
2165 if ! $TMPSH >> $logfile 2>&1; then
2166     cat <<EOF
2167 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2168 variable to another directory and make sure that it is not mounted noexec.
2169 EOF
2170     die "Sanity test failed."
2171 fi
2172
2173 filter_asflags=echo
2174 filter_cflags=echo
2175 filter_cppflags=echo
2176
2177 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2178     cc_type=llvm_gcc
2179     cc_version=__VERSION__
2180     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2181     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2182     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2183     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2184     speed_cflags='-O3'
2185     size_cflags='-Os'
2186 elif $cc -v 2>&1 | grep -qi ^gcc; then
2187     cc_type=gcc
2188     cc_version=__VERSION__
2189     gcc_version=$($cc --version | head -n1)
2190     gcc_basever=$($cc -dumpversion)
2191     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2192     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2193     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2194     if ! $cc -dumpversion | grep -q '^2\.'; then
2195         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2196         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2197     fi
2198     speed_cflags='-O3'
2199     size_cflags='-Os'
2200 elif $cc --version 2>/dev/null | grep -q Intel; then
2201     cc_type=icc
2202     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2203     cc_ident=$($cc --version | head -n1)
2204     icc_version=$($cc -dumpversion)
2205     CC_DEPFLAGS='-MMD'
2206     AS_DEPFLAGS='-MMD'
2207     speed_cflags='-O3'
2208     size_cflags='-Os'
2209     noopt_cflags='-O1'
2210 elif $cc -v 2>&1 | grep -q xlc; then
2211     cc_type=xlc
2212     cc_version="AV_STRINGIFY(__IBMC__)"
2213     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2214     speed_cflags='-O5'
2215     size_cflags='-O5 -qcompact'
2216 elif $cc -V 2>/dev/null | grep -q Compaq; then
2217     cc_type=ccc
2218     cc_version="AV_STRINGIFY(__DECC_VER)"
2219     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2220     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2221     debuglevel=3
2222     add_ldflags -Wl,-z,now # calls to libots crash without this
2223     speed_cflags='-fast'
2224     size_cflags='-O1'
2225 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2226     test -d "$sysroot" || die "No valid sysroot specified."
2227     cc_type=armcc
2228     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2229     cc_ident=$($cc --vsn | head -n1)
2230     armcc_conf="$PWD/armcc.conf"
2231     $cc --arm_linux_configure                 \
2232         --arm_linux_config_file="$armcc_conf" \
2233         --configure_sysroot="$sysroot"        \
2234         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2235         die "Error creating armcc configuration file."
2236     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2237     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2238     as_default="${cross_prefix}gcc"
2239     CC_DEPFLAGS='-MMD'
2240     AS_DEPFLAGS='-MMD'
2241     speed_cflags='-O3'
2242     size_cflags='-Os'
2243     filter_asflags="filter_out -W${armcc_opt}*"
2244 elif $cc -version 2>/dev/null | grep -q TMS470; then
2245     cc_type=tms470
2246     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2247     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2248     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2249     CC_O='-fr=$(@D)'
2250     as_default="${cross_prefix}gcc"
2251     ld_default="${cross_prefix}gcc"
2252     TMPO=$(basename $TMPC .c).o
2253     append TMPFILES $TMPO
2254     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2255     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2256     AS_DEPFLAGS='-MMD'
2257     speed_cflags='-O3 -mf=5'
2258     size_cflags='-O3 -mf=2'
2259     filter_cflags=tms470_flags
2260     tms470_flags(){
2261         for flag; do
2262             case $flag in
2263                 -march=*|-mcpu=*)
2264                     case "${flag#*=}" in
2265                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2266                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2267                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2268                         armv6*|arm11*)          echo -mv=6   ;;
2269                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2270                                                 echo -mv=5e  ;;
2271                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2272                     esac
2273                     ;;
2274                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2275                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2276                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2277                 -msoft-float)   echo --float_support=vfplib       ;;
2278                 -O[0-3]|-mf=*)  echo $flag                        ;;
2279                 -g)             echo -g -mn                       ;;
2280                 -pds=*)         echo $flag                        ;;
2281             esac
2282         done
2283     }
2284 elif $cc -v 2>&1 | grep -q clang; then
2285     cc_type=clang
2286     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2287         cc_version=__clang_version__ || cc_version=__VERSION__
2288     cc_ident=$($cc --version | head -n1)
2289     CC_DEPFLAGS='-MMD'
2290     AS_DEPFLAGS='-MMD'
2291     speed_cflags='-O3'
2292     size_cflags='-Os'
2293 elif $cc -V 2>&1 | grep -q Sun; then
2294     cc_type=suncc
2295     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2296     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2297     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2298     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2299     add_ldflags -xc99
2300     speed_cflags='-O5'
2301     size_cflags='-O5 -xspace'
2302     filter_cflags=suncc_flags
2303     suncc_flags(){
2304         for flag; do
2305             case $flag in
2306                 -march=*|-mcpu=*)
2307                     case "${flag#*=}" in
2308                         native)                   echo -xtarget=native       ;;
2309                         v9|niagara)               echo -xarch=sparc          ;;
2310                         ultrasparc)               echo -xarch=sparcvis       ;;
2311                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2312                         i586|pentium)             echo -xchip=pentium        ;;
2313                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2314                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2315                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2316                         pentium4*)          echo -xtarget=pentium4           ;;
2317                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2318                         *-sse3)             echo -xarch=sse3                 ;;
2319                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2320                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2321                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2322                         k8|opteron|athlon64|athlon-fx)
2323                                                   echo -xarch=sse2a          ;;
2324                         athlon*)                  echo -xarch=pentium_proa   ;;
2325                     esac
2326                     ;;
2327                 -std=c99)             echo -xc99              ;;
2328                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2329                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2330                 -W*,*)                echo $flag              ;;
2331                 -f*-*|-W*)                                    ;;
2332                 *)                    echo $flag              ;;
2333             esac
2334         done
2335     }
2336 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2337     cc_type=pathscale
2338     cc_version=__PATHSCALE__
2339     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2340     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2341     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2342     speed_cflags='-O2'
2343     size_cflags='-Os'
2344     filter_cflags='filter_out -Wdisabled-optimization'
2345 elif $cc -v 2>&1 | grep -q Open64; then
2346     cc_type=open64
2347     cc_version=__OPEN64__
2348     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2349     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2350     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2351     speed_cflags='-O2'
2352     size_cflags='-Os'
2353     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2354 elif $cc -V 2>&1 | grep -q Portland; then
2355     cc_type=pgi
2356     cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2357     cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2358     opt_common='-alias=ansi -Mlre -Mpre'
2359     speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2360     size_cflags="-O2 -Munroll=c:1 $opt_common"
2361     noopt_cflags="-O1"
2362     filter_cflags=pgi_flags
2363     pgi_flags(){
2364         for flag; do
2365             case $flag in
2366                 -fomit-frame-pointer) echo -Mnoframe ;;
2367                 -g)                   echo -gopt ;;
2368                 *)                    echo $flag ;;
2369             esac
2370         done
2371     }
2372 fi
2373
2374 test -n "$cc_type" && enable $cc_type ||
2375     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2376
2377 : ${as_default:=$cc}
2378 : ${dep_cc_default:=$cc}
2379 : ${ld_default:=$cc}
2380 set_default ar as dep_cc ld
2381
2382 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2383 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2384 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2385
2386 add_cflags $extra_cflags
2387 add_cxxflags $extra_cxxflags
2388 add_asflags $extra_cflags
2389
2390 if test -n "$sysroot"; then
2391     case "$cc_type" in
2392         gcc|llvm_gcc|clang)
2393             add_cppflags --sysroot="$sysroot"
2394             add_ldflags --sysroot="$sysroot"
2395         ;;
2396         tms470)
2397             add_cppflags -I"$sysinclude"
2398             add_ldflags  --sysroot="$sysroot"
2399         ;;
2400     esac
2401 fi
2402
2403 if test "$cpu" = host; then
2404     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2405
2406     case "$cc_type" in
2407         gcc|llvm_gcc)
2408             check_native(){
2409                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2410                 sed -n "/cc1.*$1=/{
2411                             s/.*$1=\\([^ ]*\\).*/\\1/
2412                             p
2413                             q
2414                         }" $TMPE
2415             }
2416             cpu=$(check_native -march || check_native -mcpu)
2417         ;;
2418     esac
2419
2420     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2421 fi
2422
2423 # Deal with common $arch aliases
2424 case "$arch" in
2425     arm*|iPad*)
2426         arch="arm"
2427     ;;
2428     mips|mipsel|IP*)
2429         arch="mips"
2430     ;;
2431     mips64*)
2432         arch="mips"
2433         subarch="mips64"
2434     ;;
2435     parisc|hppa)
2436         arch="parisc"
2437     ;;
2438     parisc64|hppa64)
2439         arch="parisc"
2440         subarch="parisc64"
2441     ;;
2442     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2443         arch="ppc"
2444     ;;
2445     s390|s390x)
2446         arch="s390"
2447     ;;
2448     sh4|sh)
2449         arch="sh4"
2450     ;;
2451     sun4u|sparc64)
2452         arch="sparc"
2453         subarch="sparc64"
2454     ;;
2455     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2456         arch="x86"
2457     ;;
2458 esac
2459
2460 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2461 enable $arch
2462
2463 # Add processor-specific flags
2464 if test "$cpu" = generic; then
2465     : do nothing
2466 elif enabled ppc; then
2467
2468     case $(tolower $cpu) in
2469         601|ppc601|powerpc601)
2470             cpuflags="-mcpu=601"
2471             disable altivec
2472         ;;
2473         603*|ppc603*|powerpc603*)
2474             cpuflags="-mcpu=603"
2475             disable altivec
2476         ;;
2477         604*|ppc604*|powerpc604*)
2478             cpuflags="-mcpu=604"
2479             disable altivec
2480         ;;
2481         g3|75*|ppc75*|powerpc75*)
2482             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2483             disable altivec
2484         ;;
2485         g4|745*|ppc745*|powerpc745*)
2486             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2487         ;;
2488         74*|ppc74*|powerpc74*)
2489             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2490         ;;
2491         g5|970|ppc970|powerpc970)
2492             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2493         ;;
2494         power[3-7]*)
2495             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2496         ;;
2497         cell)
2498             cpuflags="-mcpu=cell"
2499             enable ldbrx
2500         ;;
2501         e500v2)
2502             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2503             disable altivec
2504         ;;
2505         e500)
2506             cpuflags="-mcpu=8540 -mhard-float"
2507             disable altivec
2508         ;;
2509     esac
2510
2511 elif enabled x86; then
2512
2513     case $cpu in
2514         i[345]86|pentium)
2515             cpuflags="-march=$cpu"
2516             disable mmx
2517         ;;
2518         # targets that do NOT support conditional mov (cmov)
2519         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2520             cpuflags="-march=$cpu"
2521             disable cmov
2522         ;;
2523         # targets that do support conditional mov (cmov)
2524         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2525             cpuflags="-march=$cpu"
2526             enable cmov
2527             enable fast_cmov
2528         ;;
2529         # targets that do support conditional mov but on which it's slow
2530         pentium4|pentium4m|prescott|nocona)
2531             cpuflags="-march=$cpu"
2532             enable cmov
2533             disable fast_cmov
2534         ;;
2535     esac
2536
2537 elif enabled sparc; then
2538
2539     case $cpu in
2540         niagara)
2541             cpuflags="-mcpu=$cpu"
2542             disable vis
2543         ;;
2544         sparc64)
2545             cpuflags="-mcpu=v9"
2546         ;;
2547     esac
2548
2549 elif enabled arm; then
2550
2551     case $cpu in
2552         armv*)
2553             cpuflags="-march=$cpu"
2554             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2555         ;;
2556         *)
2557             cpuflags="-mcpu=$cpu"
2558             case $cpu in
2559                 cortex-a*)                               subarch=armv7a  ;;
2560                 cortex-r*)                               subarch=armv7r  ;;
2561                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2562                 arm11*)                                  subarch=armv6   ;;
2563                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2564                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2565             esac
2566         ;;
2567     esac
2568
2569 elif enabled alpha; then
2570
2571     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2572
2573 elif enabled bfin; then
2574
2575     cpuflags="-mcpu=$cpu"
2576
2577 elif enabled mips; then
2578
2579     cpuflags="-march=$cpu"
2580
2581 elif enabled avr32; then
2582
2583     case $cpu in
2584         ap7[02]0[0-2])
2585             subarch="avr32_ap"
2586             cpuflags="-mpart=$cpu"
2587         ;;
2588         ap)
2589             subarch="avr32_ap"
2590             cpuflags="-march=$cpu"
2591         ;;
2592         uc3[ab]*)
2593             subarch="avr32_uc"
2594             cpuflags="-mcpu=$cpu"
2595         ;;
2596         uc)
2597             subarch="avr32_uc"
2598             cpuflags="-march=$cpu"
2599         ;;
2600     esac
2601
2602 fi
2603
2604 add_cflags $cpuflags
2605 add_asflags $cpuflags
2606
2607 # compiler sanity check
2608 check_exec <<EOF
2609 int main(void){ return 0; }
2610 EOF
2611 if test "$?" != 0; then
2612     echo "$cc is unable to create an executable file."
2613     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2614         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2615         echo "Only do this if you know what cross compiling means."
2616     fi
2617     die "C compiler test failed."
2618 fi
2619
2620 add_cppflags -D_ISOC99_SOURCE
2621 add_cxxflags -D__STDC_CONSTANT_MACROS
2622 check_cflags -std=c99
2623 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2624 #include <stdlib.h>
2625 EOF
2626 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2627 #include <stdlib.h>
2628 EOF
2629
2630 check_host_cflags -std=c99
2631 check_host_cflags -Wall
2632
2633 case "$arch" in
2634     alpha|ia64|mips|parisc|sparc)
2635         spic=$shared
2636     ;;
2637     x86)
2638         subarch="x86_32"
2639         check_cc <<EOF && subarch="x86_64"
2640         int test[(int)sizeof(char*) - 7];
2641 EOF
2642         if test "$subarch" = "x86_64"; then
2643             spic=$shared
2644         fi
2645     ;;
2646     ppc)
2647         check_cc <<EOF && subarch="ppc64"
2648         int test[(int)sizeof(char*) - 7];
2649 EOF
2650     ;;
2651 esac
2652
2653 enable $subarch
2654 enabled spic && enable pic
2655
2656 # OS specific
2657 case $target_os in
2658     haiku)
2659         prefix_default="/boot/common"
2660         network_extralibs="-lnetwork"
2661         host_libs=
2662         ;;
2663     sunos)
2664         FFSERVERLDFLAGS=""
2665         SHFLAGS='-shared -Wl,-h,$$(@F)'
2666         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2667         network_extralibs="-lsocket -lnsl"
2668         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2669         # When using suncc to build, the Solaris linker will mark
2670         # an executable with each instruction set encountered by
2671         # the Solaris assembler.  As our libraries contain their own
2672         # guards for processor-specific code, instead suppress
2673         # generation of the HWCAPS ELF section on Solaris x86 only.
2674         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2675         nm_opts='-P -g'
2676         ;;
2677     netbsd)
2678         disable symver
2679         oss_indev_extralibs="-lossaudio"
2680         oss_outdev_extralibs="-lossaudio"
2681         ;;
2682     openbsd)
2683         # On OpenBSD 4.5. the compiler does not use PIC unless
2684         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2685         # however the generated executable will not do anything
2686         # (simply quits with exit-code 1, no crash, no output).
2687         # Thus explicitly enable PIC here.
2688         enable pic
2689         disable symver
2690         SHFLAGS='-shared'
2691         oss_indev_extralibs="-lossaudio"
2692         oss_outdev_extralibs="-lossaudio"
2693         ;;
2694     dragonfly)
2695         disable symver
2696         ;;
2697     freebsd)
2698         ;;
2699     bsd/os)
2700         add_extralibs -lpoll -lgnugetopt
2701         strip="strip -d"
2702         ;;
2703     darwin)
2704         gas="gas-preprocessor.pl $cc"
2705         enabled ppc && add_asflags -force_cpusubtype_ALL
2706         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2707         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2708         strip="${strip} -x"
2709         add_ldflags -Wl,-dynamic,-search_paths_first
2710         SLIBSUF=".dylib"
2711         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2712         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2713         FFSERVERLDFLAGS=-Wl,-bind_at_load
2714         objformat="macho"
2715         enabled x86_64 && objformat="macho64"
2716         enabled_any pic shared ||
2717             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2718         ;;
2719     mingw32*)
2720         if test $target_os = "mingw32ce"; then
2721             disable network
2722         else
2723             target_os=mingw32
2724         fi
2725         LIBTARGET=i386
2726         if enabled x86_64; then
2727             LIBTARGET=x64
2728         elif enabled arm; then
2729             LIBTARGET=arm-wince
2730         fi
2731         shlibdir_default="$bindir_default"
2732         SLIBPREF=""
2733         SLIBSUF=".dll"
2734         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2735         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2736         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2737         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2738         SLIB_INSTALL_LINKS=
2739         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2740         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2741         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'
2742         objformat="win32"
2743         enable dos_paths
2744         check_cflags -fno-common
2745         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2746                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2747                 die "ERROR: MinGW runtime version must be >= 3.15."
2748         add_cppflags -U__STRICT_ANSI__
2749         ;;
2750     cygwin*)
2751         target_os=cygwin
2752         shlibdir_default="$bindir_default"
2753         SLIBPREF="cyg"
2754         SLIBSUF=".dll"
2755         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2756         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2757         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2758         objformat="win32"
2759         enable dos_paths
2760         check_cflags -fno-common
2761         add_cppflags -U__STRICT_ANSI__
2762         ;;
2763     *-dos|freedos|opendos)
2764         network_extralibs="-lsocket"
2765         objformat="coff"
2766         enable dos_paths
2767         add_cppflags -U__STRICT_ANSI__
2768         ;;
2769     linux)
2770         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2771         enable dv1394
2772         ;;
2773     irix*)
2774         target_os=irix
2775         ranlib="echo ignoring ranlib"
2776         ;;
2777     os/2*)
2778         strip="lxlite -CS"
2779         ln_s="cp -f"
2780         objformat="aout"
2781         add_cppflags -D_GNU_SOURCE
2782         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2783         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2784         FFSERVERLDFLAGS=""
2785         LIBSUF="_s.a"
2786         SLIBPREF=""
2787         SLIBSUF=".dll"
2788         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2789         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2790         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2791           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2792           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2793           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2794           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2795           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2796         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2797           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2798         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2799         enable dos_paths
2800         enable_weak os2threads
2801         ;;
2802     gnu/kfreebsd)
2803         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2804         ;;
2805     gnu)
2806         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2807         ;;
2808     qnx)
2809         add_cppflags -D_QNX_SOURCE
2810         network_extralibs="-lsocket"
2811         ;;
2812     symbian)
2813         SLIBSUF=".dll"
2814         enable dos_paths
2815         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2816         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2817         add_ldflags -Wl,--target1-abs,--no-undefined \
2818                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2819                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2820         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2821                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2822                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2823         ;;
2824     none)
2825         ;;
2826     *)
2827         die "Unknown OS '$target_os'."
2828         ;;
2829 esac
2830
2831 esc(){
2832     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2833 }
2834
2835 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
2836
2837 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2838
2839 set_default $PATHS_LIST
2840
2841 # we need to build at least one lib type
2842 if ! enabled_any static shared; then
2843     cat <<EOF
2844 At least one library type must be built.
2845 Specify --enable-static to build the static libraries or --enable-shared to
2846 build the shared libraries as well. To only build the shared libraries specify
2847 --disable-static in addition to --enable-shared.
2848 EOF
2849     exit 1;
2850 fi
2851
2852 die_license_disabled() {
2853     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2854 }
2855
2856 die_license_disabled_gpl() {
2857     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
2858 }
2859
2860 die_license_disabled gpl libcdio
2861 die_license_disabled gpl libutvideo
2862 die_license_disabled gpl libx264
2863 die_license_disabled gpl libxavs
2864 die_license_disabled gpl libxvid
2865 die_license_disabled gpl x11grab
2866
2867 die_license_disabled nonfree libaacplus
2868 die_license_disabled nonfree libfaac
2869 enabled gpl && die_license_disabled_gpl nonfree openssl
2870
2871 die_license_disabled version3 libopencore_amrnb
2872 die_license_disabled version3 libopencore_amrwb
2873 die_license_disabled version3 libvo_aacenc
2874 die_license_disabled version3 libvo_amrwbenc
2875
2876 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2877
2878 disabled optimizations || check_cflags -fomit-frame-pointer
2879
2880 enable_pic() {
2881     enable pic
2882     add_cppflags -DPIC
2883     add_cflags   -fPIC
2884     add_asflags  -fPIC
2885 }
2886
2887 enabled pic && enable_pic
2888
2889 check_cc <<EOF || die "Symbol mangling check failed."
2890 int ff_extern;
2891 EOF
2892 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2893 extern_prefix=${sym%%ff_extern*}
2894
2895 check_cc <<EOF && enable inline_asm
2896 void foo(void) { __asm__ volatile ("" ::); }
2897 EOF
2898
2899 _restrict=
2900 for restrict_keyword in restrict __restrict__ __restrict; do
2901     check_cc <<EOF && _restrict=$restrict_keyword && break
2902 void foo(char * $restrict_keyword p);
2903 EOF
2904 done
2905
2906 check_cc <<EOF && enable attribute_packed
2907 struct { int x; } __attribute__((packed)) x;
2908 EOF
2909
2910 check_cc <<EOF && enable attribute_may_alias
2911 union { int x; } __attribute__((may_alias)) x;
2912 EOF
2913
2914 check_cc <<EOF || die "endian test failed"
2915 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2916 EOF
2917 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2918
2919 if enabled alpha; then
2920
2921     check_cflags -mieee
2922
2923 elif enabled arm; then
2924
2925     enabled thumb && check_cflags -mthumb || check_cflags -marm
2926     nogas=die
2927
2928     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2929         enable vfp_args
2930     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2931         case "${cross_prefix:-$cc}" in
2932             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2933             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2934 __asm__ (".eabi_attribute 28, 1");
2935 int main(void) { return 0; }
2936 EOF
2937         esac
2938         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2939     fi
2940
2941     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2942     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2943     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2944     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2945     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2946     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2947
2948     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2949
2950     enabled_all armv6t2 shared !pic && enable_pic
2951
2952 elif enabled mips; then
2953
2954     check_asm loongson '"dmult.g $1, $2, $3"'
2955     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2956
2957 elif enabled ppc; then
2958
2959     enable local_aligned_8 local_aligned_16
2960
2961     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2962     check_asm ibm_asm   '"add 0, 0, 0"'
2963     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2964     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2965
2966     # AltiVec flags: The FSF version of GCC differs from the Apple version
2967     if enabled altivec; then
2968         nogas=warn
2969         check_cflags -maltivec -mabi=altivec &&
2970         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2971         check_cflags -faltivec
2972
2973         # check if our compiler supports Motorola AltiVec C API
2974         check_cc <<EOF || disable altivec
2975 $inc_altivec_h
2976 int main(void) {
2977     vector signed int v1, v2, v3;
2978     v1 = vec_add(v2,v3);
2979     return 0;
2980 }
2981 EOF
2982
2983         # check if our compiler supports braces for vector declarations
2984         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2985 $inc_altivec_h
2986 int main (void) { (vector int) {1}; return 0; }
2987 EOF
2988     fi
2989
2990 elif enabled sparc; then
2991
2992     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2993         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2994
2995 elif enabled x86; then
2996
2997     enable local_aligned_8 local_aligned_16
2998
2999     # check whether EBP is available on x86
3000     # As 'i' is stored on the stack, this program will crash
3001     # if the base pointer is used to access it because the
3002     # base pointer is cleared in the inline assembly code.
3003     check_exec_crash <<EOF && enable ebp_available
3004     volatile int i=0;
3005     __asm__ volatile (
3006         "xorl %%ebp, %%ebp"
3007     ::: "%ebp");
3008     return i;
3009 EOF
3010
3011     # check whether EBX is available on x86
3012     check_asm ebx_available '""::"b"(0)' &&
3013         check_asm ebx_available '"":::"%ebx"'
3014
3015     # check whether xmm clobbers are supported
3016     check_asm xmm_clobbers '"":::"%xmm0"'
3017
3018     # check whether binutils is new enough to compile SSSE3/MMX2
3019     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
3020     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
3021
3022     if ! disabled_any asm mmx yasm; then
3023         if check_cmd $yasmexe --version; then
3024             enabled x86_64 && yasm_extra="-m amd64"
3025             yasm_debug="-g dwarf2"
3026         elif check_cmd nasm -v; then
3027             yasmexe=nasm
3028             yasm_debug="-g -F dwarf"
3029             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3030         fi
3031
3032         YASMFLAGS="-f $objformat $yasm_extra"
3033         enabled pic               && append YASMFLAGS "-DPIC"
3034         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3035         case "$objformat" in
3036             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3037         esac
3038
3039         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3040             die "yasm not found, use --disable-yasm for a crippled build"
3041         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3042     fi
3043
3044     case "$cpu" in
3045         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3046             disable fast_clz
3047         ;;
3048     esac
3049
3050 fi
3051
3052 if enabled asm; then
3053     as=${gas:=$as}
3054     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3055         $nogas "GNU assembler not found, install gas-preprocessor"
3056 fi
3057
3058 check_ldflags -Wl,--as-needed
3059
3060 if check_func dlopen; then
3061     ldl=
3062 elif check_func dlopen -ldl; then
3063     ldl=-ldl
3064 fi
3065
3066 if enabled network; then
3067     check_type "sys/types.h sys/socket.h" socklen_t
3068     check_type netdb.h "struct addrinfo"
3069     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3070     check_type netinet/in.h "struct sockaddr_in6"
3071     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3072     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3073     check_header netinet/sctp.h
3074     # Prefer arpa/inet.h over winsock2
3075     if check_header arpa/inet.h ; then
3076         check_func closesocket
3077     elif check_header winsock2.h ; then
3078         check_func_headers winsock2.h closesocket -lws2 && \
3079             network_extralibs="-lws2" || \
3080         { check_func_headers winsock2.h closesocket -lws2_32 && \
3081             network_extralibs="-lws2_32"; }
3082         check_type ws2tcpip.h socklen_t
3083         check_type ws2tcpip.h "struct addrinfo"
3084         check_type ws2tcpip.h "struct ipv6_mreq"
3085         check_type ws2tcpip.h "struct sockaddr_in6"
3086         check_type ws2tcpip.h "struct sockaddr_storage"
3087         check_struct winsock2.h "struct sockaddr" sa_len
3088     else
3089         disable network
3090     fi
3091 fi
3092
3093 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3094 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3095
3096 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3097 check_func  fcntl
3098 check_func  fork
3099 check_func  getaddrinfo $network_extralibs
3100 check_func  gethrtime
3101 check_func  getrusage
3102 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3103 check_func  inet_aton $network_extralibs
3104 check_func  isatty
3105 check_func  localtime_r
3106 check_func  ${malloc_prefix}memalign            && enable memalign
3107 check_func  mkstemp
3108 check_func  mmap
3109 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3110 check_func  setrlimit
3111 check_func  strerror_r
3112 check_func  strptime
3113 check_func  sched_getaffinity
3114 check_func  sysconf
3115 check_func  sysctl
3116 check_func_headers conio.h kbhit
3117 check_func_headers windows.h PeekNamedPipe
3118 check_func_headers io.h setmode
3119 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3120 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3121 check_func_headers windows.h GetProcessAffinityMask
3122 check_func_headers windows.h GetProcessTimes
3123 check_func_headers windows.h MapViewOfFile
3124 check_func_headers windows.h VirtualAlloc
3125 check_func_headers glob.h glob
3126
3127 check_header dlfcn.h
3128 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3129 check_header libcrystalhd/libcrystalhd_if.h
3130 check_header malloc.h
3131 check_header poll.h
3132 check_header sys/mman.h
3133 check_header sys/param.h
3134 check_header sys/resource.h
3135 check_header sys/select.h
3136 check_header termios.h
3137 check_header vdpau/vdpau.h
3138 check_header vdpau/vdpau_x11.h
3139 check_header X11/extensions/XvMClib.h
3140 check_header asm/types.h
3141
3142 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3143 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3144
3145 # check for VDA header
3146 if ! disabled vda; then
3147     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3148         enable vda
3149         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3150     fi
3151 fi
3152
3153 if ! disabled w32threads && ! enabled pthreads; then
3154     check_func _beginthreadex && enable w32threads
3155 fi
3156
3157 # check for some common methods of building with pthread support
3158 # do this before the optional library checks as some of them require pthreads
3159 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3160     enable pthreads
3161     if check_func pthread_create; then
3162         :
3163     elif check_func pthread_create -pthread; then
3164         add_cflags -pthread
3165         add_extralibs -pthread
3166     elif check_func pthread_create -pthreads; then
3167         add_cflags -pthreads
3168         add_extralibs -pthreads
3169     elif check_func pthread_create -lpthreadGC2; then
3170         add_extralibs -lpthreadGC2
3171     elif ! check_lib pthread.h pthread_create -lpthread; then
3172         disable pthreads
3173     fi
3174 fi
3175
3176 for thread in $THREADS_LIST; do
3177     if enabled $thread; then
3178         test -n "$thread_type" &&
3179             die "ERROR: Only one thread type must be selected." ||
3180             thread_type="$thread"
3181     fi
3182 done
3183
3184 if enabled pthreads; then
3185   check_func pthread_cancel
3186 fi
3187
3188 check_lib math.h sin -lm && LIBM="-lm"
3189 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3190 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3191
3192 check_mathfunc cbrtf
3193 check_mathfunc exp2
3194 check_mathfunc exp2f
3195 check_mathfunc llrint
3196 check_mathfunc llrintf
3197 check_mathfunc log2
3198 check_mathfunc log2f
3199 check_mathfunc lrint
3200 check_mathfunc lrintf
3201 check_mathfunc round
3202 check_mathfunc roundf
3203 check_mathfunc trunc
3204 check_mathfunc truncf
3205
3206 # these are off by default, so fail if requested and not available
3207 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3208 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3209 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3210 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3211 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3212 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3213 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3214 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3215                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3216                         die "ERROR: libcelt version must be >= 0.11.0."; }
3217 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3218 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3219 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3220 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3221 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3222 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3223 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3224 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3225 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3226 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3227 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3228 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3229 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3230 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3231 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3232     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3233     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3234 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3235 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3236 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3237 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3238 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3239 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3240 enabled libvpx     && {
3241     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3242                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3243     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3244                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3245 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3246                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3247                         die "ERROR: libx264 version must be >= 0.118."; }
3248 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3249 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3250 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3251                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3252                         die "ERROR: openal not found"; } &&
3253                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3254                         die "ERROR: openal version must be 1.1 or compatible"; }
3255 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3256                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3257                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3258                         die "ERROR: openssl not found"; }
3259
3260 # libdc1394 check
3261 if enabled libdc1394; then
3262     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3263         enable libdc1394_2; } ||
3264     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3265         enable libdc1394_1; } ||
3266     die "ERROR: No version of libdc1394 found "
3267 fi
3268
3269 SDL_CONFIG="${cross_prefix}sdl-config"
3270 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3271     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3272     enable sdl &&
3273     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3274 else
3275   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3276     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3277     sdl_libs=$("${SDL_CONFIG}" --libs)
3278     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3279     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3280     enable sdl &&
3281     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3282   fi
3283 fi
3284 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3285
3286 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3287 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3288
3289 check_header linux/fb.h
3290 check_header linux/videodev.h
3291 check_header linux/videodev2.h
3292 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3293
3294 check_header sys/videoio.h
3295
3296 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3297 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3298 # w32api 3.12 had it defined wrong
3299 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3300
3301 check_type "dshow.h" IBaseFilter
3302
3303 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3304 { check_header dev/bktr/ioctl_meteor.h &&
3305   check_header dev/bktr/ioctl_bt848.h; } ||
3306 { check_header machine/ioctl_meteor.h &&
3307   check_header machine/ioctl_bt848.h; } ||
3308 { check_header dev/video/meteor/ioctl_meteor.h &&
3309   check_header dev/video/bktr/ioctl_bt848.h; } ||
3310 check_header dev/ic/bt8xx.h
3311
3312 check_header sndio.h
3313 if check_struct sys/soundcard.h audio_buf_info bytes; then
3314     enable_safe sys/soundcard.h
3315 else
3316     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3317     #include <sys/soundcard.h>
3318     audio_buf_info abc;
3319 EOF
3320 fi
3321 check_header soundcard.h
3322
3323 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3324
3325 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3326
3327 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3328
3329 enabled libcdio &&
3330     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3331
3332 enabled x11grab                                           &&
3333 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3334 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3335 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3336
3337 if ! disabled vaapi; then
3338     check_lib va/va.h vaInitialize -lva && {
3339         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3340         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3341     } || disable vaapi
3342 fi
3343
3344 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3345 check_cpp_condition \
3346     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3347     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3348       disable vdpau; }
3349 fi
3350
3351 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3352 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3353 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"
3354
3355 # add some useful compiler flags if supported
3356 check_cflags -Wdeclaration-after-statement
3357 check_cflags -Wall
3358 check_cflags -Wno-parentheses
3359 check_cflags -Wno-switch
3360 check_cflags -Wno-format-zero-length
3361 check_cflags -Wdisabled-optimization
3362 check_cflags -Wpointer-arith
3363 check_cflags -Wredundant-decls
3364 check_cflags -Wno-pointer-sign
3365 check_cflags -Wwrite-strings
3366 check_cflags -Wtype-limits
3367 check_cflags -Wundef
3368 check_cflags -Wmissing-prototypes
3369 check_cflags -Wno-pointer-to-int-cast
3370 check_cflags -Wstrict-prototypes
3371 enabled extra_warnings && check_cflags -Winline
3372
3373 # add some linker flags
3374 check_ldflags -Wl,--warn-common
3375 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3376 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3377
3378 enabled xmm_clobber_test &&                             \
3379     check_ldflags -Wl,--wrap,avcodec_open2              \
3380                   -Wl,--wrap,avcodec_decode_audio4      \
3381                   -Wl,--wrap,avcodec_decode_video2      \
3382                   -Wl,--wrap,avcodec_decode_subtitle2   \
3383                   -Wl,--wrap,avcodec_encode_audio2      \
3384                   -Wl,--wrap,avcodec_encode_video       \
3385                   -Wl,--wrap,avcodec_encode_subtitle    \
3386                   -Wl,--wrap,sws_scale ||               \
3387     disable xmm_clobber_test
3388
3389 echo "X{};" > $TMPV
3390 if test_ldflags -Wl,--version-script,$TMPV; then
3391     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3392     check_cc <<EOF && enable symver_asm_label
3393 void ff_foo(void) __asm__ ("av_foo@VERSION");
3394 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3395 EOF
3396     check_cc <<EOF && enable symver_gnu_asm
3397 __asm__(".symver ff_foo,av_foo@VERSION");
3398 void ff_foo(void) {}
3399 EOF
3400 fi
3401
3402 if [ -n "$optflags" ]; then
3403     add_cflags $optflags
3404 elif enabled small; then
3405     add_cflags $size_cflags
3406 elif enabled optimizations; then
3407     add_cflags $speed_cflags
3408 else
3409     add_cflags $noopt_cflags
3410 fi
3411 check_cflags -fno-math-errno
3412 check_cflags -fno-signed-zeros
3413 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3414 int x;
3415 EOF
3416
3417
3418 if enabled icc; then
3419     # Just warnings, no remarks
3420     check_cflags -w1
3421     # -wd: Disable following warnings
3422     # 144, 167, 556: -Wno-pointer-sign
3423     # 1292: attribute "foo" ignored
3424     # 1419: external declaration in primary source file
3425     # 10006: ignoring unknown option -fno-signed-zeros
3426     # 10148: ignoring unknown option -Wno-parentheses
3427     # 10156: ignoring option '-W'; no argument required
3428     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3429     # 11030: Warning unknown option --as-needed
3430     # 10156: ignoring option '-export'; no argument required
3431     check_ldflags -wd10156,11030
3432     # Allow to compile with optimizations
3433     check_ldflags -march=$cpu
3434     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3435     enable ebp_available
3436     if enabled x86_32; then
3437         test ${icc_version%%.*} -ge 11 && \
3438             check_cflags -falign-stack=maintain-16-byte || \
3439             disable aligned_stack
3440     fi
3441 elif enabled ccc; then
3442     # disable some annoying warnings
3443     add_cflags -msg_disable cvtu32to64
3444     add_cflags -msg_disable embedcomment
3445     add_cflags -msg_disable needconstext
3446     add_cflags -msg_disable nomainieee
3447     add_cflags -msg_disable ptrmismatch1
3448     add_cflags -msg_disable unreachcode
3449 elif enabled gcc; then
3450     check_cflags -fno-tree-vectorize
3451     check_cflags -Werror=implicit-function-declaration
3452     check_cflags -Werror=missing-prototypes
3453 elif enabled llvm_gcc; then
3454     check_cflags -mllvm -stack-alignment=16
3455 elif enabled clang; then
3456     check_cflags -mllvm -stack-alignment=16
3457     check_cflags -Qunused-arguments
3458 elif enabled armcc; then
3459     # 2523: use of inline assembler is deprecated
3460     add_cflags -W${armcc_opt},--diag_suppress=2523
3461     add_cflags -W${armcc_opt},--diag_suppress=1207
3462     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3463     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3464     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3465     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3466 elif enabled tms470; then
3467     add_cflags -pds=824 -pds=837
3468 elif enabled pathscale; then
3469     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3470 fi
3471
3472 enabled_any $THREADS_LIST      && enable threads
3473
3474 check_deps $CONFIG_LIST       \
3475            $CONFIG_EXTRA      \
3476            $HAVE_LIST         \
3477            $ALL_COMPONENTS    \
3478            $ALL_TESTS         \
3479
3480 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3481
3482 if test $target_os = "haiku"; then
3483     disable memalign
3484     disable posix_memalign
3485 fi
3486
3487 ! enabled_any memalign posix_memalign &&
3488     enabled_any $need_memalign && enable memalign_hack
3489
3490 # add_dep lib dep
3491 # -> enable ${lib}_deps_${dep}
3492 # -> add $dep to ${lib}_deps only once
3493 add_dep() {
3494     lib=$1
3495     dep=$2
3496     enabled "${lib}_deps_${dep}" && return 0
3497     enable  "${lib}_deps_${dep}"
3498     prepend "${lib}_deps" $dep
3499 }
3500
3501 # merge deps lib components
3502 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3503 merge_deps() {
3504     lib=$1
3505     shift
3506     for comp in $*; do
3507         enabled $comp || continue
3508         eval "dep=\"\$${comp}_deps\""
3509         for d in $dep; do
3510             add_dep $lib $d
3511         done
3512     done
3513 }
3514
3515 merge_deps libavfilter $FILTER_LIST
3516
3517 echo "install prefix            $prefix"
3518 echo "source path               $source_path"
3519 echo "C compiler                $cc"
3520 echo "ARCH                      $arch ($cpu)"
3521 if test "$build_suffix" != ""; then
3522     echo "build suffix              $build_suffix"
3523 fi
3524 if test "$progs_suffix" != ""; then
3525     echo "progs suffix              $progs_suffix"
3526 fi
3527 if test "$extra_version" != ""; then
3528     echo "version string suffix     $extra_version"
3529 fi
3530 echo "big-endian                ${bigendian-no}"
3531 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3532 if enabled x86; then
3533     echo "${yasmexe}                      ${yasm-no}"
3534     echo "MMX enabled               ${mmx-no}"
3535     echo "MMX2 enabled              ${mmx2-no}"
3536     echo "3DNow! enabled            ${amd3dnow-no}"
3537     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3538     echo "SSE enabled               ${sse-no}"
3539     echo "SSSE3 enabled             ${ssse3-no}"
3540     echo "AVX enabled               ${avx-no}"
3541     echo "CMOV enabled              ${cmov-no}"
3542     echo "CMOV is fast              ${fast_cmov-no}"
3543     echo "EBX available             ${ebx_available-no}"
3544     echo "EBP available             ${ebp_available-no}"
3545 fi
3546 if enabled arm; then
3547     echo "ARMv5TE enabled           ${armv5te-no}"
3548     echo "ARMv6 enabled             ${armv6-no}"
3549     echo "ARMv6T2 enabled           ${armv6t2-no}"
3550     echo "ARM VFP enabled           ${armvfp-no}"
3551     echo "NEON enabled              ${neon-no}"
3552 fi
3553 if enabled mips; then
3554     echo "MMI enabled               ${mmi-no}"
3555 fi
3556 if enabled ppc; then
3557     echo "AltiVec enabled           ${altivec-no}"
3558     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3559     echo "dcbzl available           ${dcbzl-no}"
3560 fi
3561 if enabled sparc; then
3562     echo "VIS enabled               ${vis-no}"
3563 fi
3564 echo "debug symbols             ${debug-no}"
3565 echo "strip symbols             ${stripping-no}"
3566 echo "optimize for size         ${small-no}"
3567 echo "optimizations             ${optimizations-no}"
3568 echo "static                    ${static-no}"
3569 echo "shared                    ${shared-no}"
3570 echo "postprocessing support    ${postproc-no}"
3571 echo "new filter support        ${avfilter-no}"
3572 echo "network support           ${network-no}"
3573 echo "threading support         ${thread_type-no}"
3574 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3575 echo "SDL support               ${sdl-no}"
3576 echo "libdxva2 enabled          ${dxva2-no}"
3577 echo "libva enabled             ${vaapi-no}"
3578 echo "libvdpau enabled          ${vdpau-no}"
3579 echo "AVISynth enabled          ${avisynth-no}"
3580 echo "frei0r enabled            ${frei0r-no}"
3581 echo "gnutls enabled            ${gnutls-no}"
3582 echo "libaacplus enabled        ${libaacplus-no}"
3583 echo "libass enabled            ${libass-no}"
3584 echo "libcdio support           ${libcdio-no}"
3585 echo "libcelt enabled           ${libcelt-no}"
3586 echo "libdc1394 support         ${libdc1394-no}"
3587 echo "libfaac enabled           ${libfaac-no}"
3588 echo "libgsm enabled            ${libgsm-no}"
3589 echo "libmodplug enabled        ${libmodplug-no}"
3590 echo "libmp3lame enabled        ${libmp3lame-no}"
3591 echo "libnut enabled            ${libnut-no}"
3592 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3593 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3594 echo "libopencv support         ${libopencv-no}"
3595 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3596 echo "libpulse enabled          ${libpulse-no}"
3597 echo "librtmp enabled           ${librtmp-no}"
3598 echo "libschroedinger enabled   ${libschroedinger-no}"
3599 echo "libspeex enabled          ${libspeex-no}"
3600 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3601 echo "libtheora enabled         ${libtheora-no}"
3602 echo "libutvideo enabled        ${libutvideo-no}"
3603 echo "libv4l2 enabled           ${libv4l2-no}"
3604 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3605 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3606 echo "libvorbis enabled         ${libvorbis-no}"
3607 echo "libvpx enabled            ${libvpx-no}"
3608 echo "libx264 enabled           ${libx264-no}"
3609 echo "libxavs enabled           ${libxavs-no}"
3610 echo "libxvid enabled           ${libxvid-no}"
3611 echo "openal enabled            ${openal-no}"
3612 echo "openssl enabled           ${openssl-no}"
3613 echo "zlib enabled              ${zlib-no}"
3614 echo "bzlib enabled             ${bzlib-no}"
3615 echo
3616
3617 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3618     echo "Enabled ${type}s:"
3619     eval list=\$$(toupper $type)_LIST
3620     print_enabled '_*' $list | sort | pr -r -3 -t
3621     echo
3622 done
3623
3624 license="LGPL version 2.1 or later"
3625 if enabled nonfree; then
3626     license="nonfree and unredistributable"
3627 elif enabled gplv3; then
3628     license="GPL version 3 or later"
3629 elif enabled lgplv3; then
3630     license="LGPL version 3 or later"
3631 elif enabled gpl; then
3632     license="GPL version 2 or later"
3633 fi
3634
3635 echo "License: $license"
3636
3637 echo "Creating config.mak and config.h..."
3638
3639 test -e Makefile || $ln_s "$source_path/Makefile" .
3640
3641 enabled stripping || strip="echo skipping strip"
3642
3643 config_files="$TMPH config.mak"
3644
3645 cat > config.mak <<EOF
3646 # Automatically generated by configure - do not modify!
3647 ifndef FFMPEG_CONFIG_MAK
3648 FFMPEG_CONFIG_MAK=1
3649 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3650 prefix=$prefix
3651 LIBDIR=\$(DESTDIR)$libdir
3652 SHLIBDIR=\$(DESTDIR)$shlibdir
3653 INCDIR=\$(DESTDIR)$incdir
3654 BINDIR=\$(DESTDIR)$bindir
3655 DATADIR=\$(DESTDIR)$datadir
3656 MANDIR=\$(DESTDIR)$mandir
3657 SRC_PATH=$source_path
3658 ifndef MAIN_MAKEFILE
3659 SRC_PATH:=\$(SRC_PATH:.%=..%)
3660 endif
3661 CC_IDENT=$cc_ident
3662 ARCH=$arch
3663 CC=$cc
3664 CXX=$cxx
3665 AS=$as
3666 LD=$ld
3667 DEPCC=$dep_cc
3668 YASM=$yasmexe
3669 YASMDEP=$yasmexe
3670 AR=$ar
3671 RANLIB=$ranlib
3672 CP=cp -p
3673 LN_S=$ln_s
3674 STRIP=$strip
3675 CPPFLAGS=$CPPFLAGS
3676 CFLAGS=$CFLAGS
3677 CXXFLAGS=$CXXFLAGS
3678 ASFLAGS=$ASFLAGS
3679 AS_O=$CC_O
3680 CC_O=$CC_O
3681 CXX_O=$CXX_O
3682 LDFLAGS=$LDFLAGS
3683 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3684 SHFLAGS=$SHFLAGS
3685 YASMFLAGS=$YASMFLAGS
3686 BUILDSUF=$build_suffix
3687 PROGSSUF=$progs_suffix
3688 FULLNAME=$FULLNAME
3689 LIBPREF=$LIBPREF
3690 LIBSUF=$LIBSUF
3691 LIBNAME=$LIBNAME
3692 SLIBPREF=$SLIBPREF
3693 SLIBSUF=$SLIBSUF
3694 EXESUF=$EXESUF
3695 EXTRA_VERSION=$extra_version
3696 DEPFLAGS=$DEPFLAGS
3697 CCDEP=$CCDEP
3698 CXXDEP=$CXXDEP
3699 ASDEP=$ASDEP
3700 CC_DEPFLAGS=$CC_DEPFLAGS
3701 AS_DEPFLAGS=$AS_DEPFLAGS
3702 HOSTCC=$host_cc
3703 HOSTCFLAGS=$host_cflags
3704 HOSTEXESUF=$HOSTEXESUF
3705 HOSTLDFLAGS=$host_ldflags
3706 HOSTLIBS=$host_libs
3707 TARGET_EXEC=$target_exec
3708 TARGET_PATH=$target_path
3709 SDL_LIBS=$sdl_libs
3710 SDL_CFLAGS=$sdl_cflags
3711 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3712 EXTRALIBS=$extralibs
3713 INSTALL=$install
3714 LIBTARGET=${LIBTARGET}
3715 SLIBNAME=${SLIBNAME}
3716 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3717 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3718 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3719 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3720 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3721 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3722 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3723 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3724 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3725 NOREDZONE_FLAGS=$noredzone_flags
3726 EOF
3727
3728 get_version(){
3729     name=$1
3730     file=$source_path/$2
3731 # This condition will be removed when we stop supporting old libpostproc versions
3732 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3733     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3734     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3735 fi
3736     lcname=$(tolower $name)
3737     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3738     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3739 }
3740
3741 get_version LIBAVCODEC  libavcodec/version.h
3742 get_version LIBAVDEVICE libavdevice/avdevice.h
3743 get_version LIBAVFILTER libavfilter/version.h
3744 get_version LIBAVFORMAT libavformat/version.h
3745 get_version LIBAVRESAMPLE libavresample/version.h
3746 get_version LIBAVUTIL   libavutil/avutil.h
3747 get_version LIBPOSTPROC libpostproc/postprocess.h
3748 get_version LIBSWRESAMPLE libswresample/swresample.h
3749 get_version LIBSWSCALE  libswscale/swscale.h
3750
3751 cat > $TMPH <<EOF
3752 /* Automatically generated by configure - do not modify! */
3753 #ifndef FFMPEG_CONFIG_H
3754 #define FFMPEG_CONFIG_H
3755 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3756 #define FFMPEG_LICENSE "$(c_escape $license)"
3757 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3758 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3759 #define CC_TYPE "$cc_type"
3760 #define CC_VERSION $cc_version
3761 #define restrict $_restrict
3762 #define EXTERN_PREFIX "${extern_prefix}"
3763 #define EXTERN_ASM ${extern_prefix}
3764 #define SLIBSUF "$SLIBSUF"
3765 EOF
3766
3767 test -n "$assert_level" &&
3768     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
3769
3770 test -n "$malloc_prefix" &&
3771     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3772
3773 if enabled small || disabled optimizations; then
3774     echo "#undef  av_always_inline"  >> $TMPH
3775     if enabled small; then
3776         echo "#define av_always_inline inline"  >> $TMPH
3777     else
3778         echo "#define av_always_inline av_unused"  >> $TMPH
3779     fi
3780 fi
3781
3782 if enabled yasm; then
3783     append config_files $TMPASM
3784     printf '' >$TMPASM
3785 fi
3786
3787 print_config ARCH_   "$config_files" $ARCH_LIST
3788 print_config HAVE_   "$config_files" $HAVE_LIST
3789 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3790                                      $CONFIG_EXTRA      \
3791                                      $ALL_COMPONENTS    \
3792
3793 cat >>config.mak <<EOF
3794 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3795 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3796 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3797 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3798 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3799 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3800 EOF
3801
3802 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3803 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3804
3805 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3806 cp_if_changed $TMPH config.h
3807 touch .config
3808
3809 enabled yasm && cp_if_changed $TMPASM config.asm
3810
3811 cat > $TMPH <<EOF
3812 /* Generated by ffconf */
3813 #ifndef AVUTIL_AVCONFIG_H
3814 #define AVUTIL_AVCONFIG_H
3815 EOF
3816
3817 test "$postproc_version" != current && cat >> $TMPH <<EOF
3818 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3819 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3820 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3821 EOF
3822
3823 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3824
3825 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3826
3827 cp_if_changed $TMPH libavutil/avconfig.h
3828
3829 test -n "$WARNINGS" && printf "\n$WARNINGS"
3830
3831 # build pkg-config files
3832
3833 pkgconfig_generate(){
3834 name=$1
3835 shortname=${name#lib}${build_suffix}
3836 comment=$2
3837 version=$3
3838 libs=$4
3839 requires=$5
3840 enabled ${name#lib} || return 0
3841 mkdir -p $name
3842 cat <<EOF > $name/$name.pc
3843 prefix=$prefix
3844 exec_prefix=\${prefix}
3845 libdir=$libdir
3846 includedir=$incdir
3847
3848 Name: $name
3849 Description: $comment
3850 Version: $version
3851 Requires: $(enabled shared || echo $requires)
3852 Requires.private: $(enabled shared && echo $requires)
3853 Conflicts:
3854 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3855 Libs.private: $(enabled shared && echo $libs)
3856 Cflags: -I\${includedir}
3857 EOF
3858 cat <<EOF > $name/$name-uninstalled.pc
3859 prefix=
3860 exec_prefix=
3861 libdir=\${pcfiledir}
3862 includedir=${source_path}
3863
3864 Name: $name
3865 Description: $comment
3866 Version: $version
3867 Requires: $requires
3868 Conflicts:
3869 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3870 Cflags: -I\${includedir}
3871 EOF
3872 }
3873
3874 libavfilter_pc_deps=""
3875 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3876 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3877 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3878 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3879 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3880 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3881
3882 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
3883 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
3884
3885 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3886 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3887 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3888 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
3889 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3890 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3891 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3892 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3893 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"