configure: add dependencies for colormatrix test.
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18     echo "Trying shell $1"
19     type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30     echo "Broken shell detected.  Trying alternatives."
31     export FF_CONF_EXEC
32     if test "0$FF_CONF_EXEC" -lt 1; then
33         FF_CONF_EXEC=1
34         try_exec bash "$0" "$@"
35     fi
36     if test "0$FF_CONF_EXEC" -lt 2; then
37         FF_CONF_EXEC=2
38         try_exec ksh "$0" "$@"
39     fi
40     if test "0$FF_CONF_EXEC" -lt 3; then
41         FF_CONF_EXEC=3
42         try_exec /usr/xpg4/bin/sh "$0" "$@"
43     fi
44     echo "No compatible shell script interpreter found."
45     echo "This configure script requires a POSIX-compatible shell"
46     echo "such as bash or ksh."
47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48     echo "Instead, install a working POSIX-compatible shell."
49     echo "Disabling this configure test will create a broken FFmpeg."
50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51         echo "This bash version ($BASH_VERSION) is broken on your platform."
52         echo "Upgrade to a later version if available."
53     fi
54     exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Help options:
63   --help                   print this message
64   --list-decoders          show all available decoders
65   --list-encoders          show all available encoders
66   --list-hwaccels          show all available hardware accelerators
67   --list-demuxers          show all available demuxers
68   --list-muxers            show all available muxers
69   --list-parsers           show all available parsers
70   --list-protocols         show all available protocols
71   --list-bsfs              show all available bitstream filters
72   --list-indevs            show all available input devices
73   --list-outdevs           show all available output devices
74   --list-filters           show all available filters
75
76 Standard options:
77   --logfile=FILE           log tests and output to FILE [config.log]
78   --disable-logging        do not log configure debug information
79   --prefix=PREFIX          install in PREFIX [$prefix]
80   --bindir=DIR             install binaries in DIR [PREFIX/bin]
81   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
82   --libdir=DIR             install libs in DIR [PREFIX/lib]
83   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
84   --incdir=DIR             install includes in DIR [PREFIX/include]
85   --mandir=DIR             install man page in DIR [PREFIX/share/man]
86
87 Licensing options:
88   --enable-gpl             allow use of GPL code, the resulting libs
89                            and binaries will be under GPL [no]
90   --enable-version3        upgrade (L)GPL to version 3 [no]
91   --enable-nonfree         allow use of nonfree code, the resulting libs
92                            and binaries will be unredistributable [no]
93
94 Configuration options:
95   --disable-static         do not build static libraries [no]
96   --enable-shared          build shared libraries [no]
97   --enable-small           optimize for size instead of speed
98   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99   --enable-gray            enable full grayscale support (slower color)
100   --disable-swscale-alpha  disable alpha channel support in swscale
101
102 Component options:
103   --disable-doc            do not build documentation
104   --disable-ffmpeg         disable ffmpeg build
105   --disable-ffplay         disable ffplay build
106   --disable-ffprobe        disable ffprobe build
107   --disable-ffserver       disable ffserver build
108   --disable-avdevice       disable libavdevice build
109   --disable-avcodec        disable libavcodec build
110   --disable-avformat       disable libavformat build
111   --disable-swresample     disable libswresample build
112   --disable-swscale        disable libswscale build
113   --disable-postproc       disable libpostproc build
114   --disable-avfilter       disable video filter support [no]
115   --disable-pthreads       disable pthreads [auto]
116   --disable-w32threads     disable Win32 threads [auto]
117   --disable-os2threads     disable OS/2 threads [auto]
118   --enable-x11grab         enable X11 grabbing [no]
119   --disable-network        disable network support [no]
120   --disable-dct            disable DCT code
121   --disable-mdct           disable MDCT code
122   --disable-rdft           disable RDFT code
123   --disable-fft            disable FFT code
124   --enable-dxva2           enable DXVA2 code
125   --enable-vaapi           enable VAAPI code [autodetect]
126   --enable-vda             enable VDA code   [autodetect]
127   --enable-vdpau           enable VDPAU code [autodetect]
128
129 Individual component options:
130   --disable-everything     disable all components listed below
131   --disable-encoder=NAME   disable encoder NAME
132   --enable-encoder=NAME    enable encoder NAME
133   --disable-encoders       disable all encoders
134   --disable-decoder=NAME   disable decoder NAME
135   --enable-decoder=NAME    enable decoder NAME
136   --disable-decoders       disable all decoders
137   --disable-hwaccel=NAME   disable hwaccel NAME
138   --enable-hwaccel=NAME    enable hwaccel NAME
139   --disable-hwaccels       disable all hwaccels
140   --disable-muxer=NAME     disable muxer NAME
141   --enable-muxer=NAME      enable muxer NAME
142   --disable-muxers         disable all muxers
143   --disable-demuxer=NAME   disable demuxer NAME
144   --enable-demuxer=NAME    enable demuxer NAME
145   --disable-demuxers       disable all demuxers
146   --enable-parser=NAME     enable parser NAME
147   --disable-parser=NAME    disable parser NAME
148   --disable-parsers        disable all parsers
149   --enable-bsf=NAME        enable bitstream filter NAME
150   --disable-bsf=NAME       disable bitstream filter NAME
151   --disable-bsfs           disable all bitstream filters
152   --enable-protocol=NAME   enable protocol NAME
153   --disable-protocol=NAME  disable protocol NAME
154   --disable-protocols      disable all protocols
155   --enable-indev=NAME      enable input device NAME
156   --disable-indev=NAME     disable input device NAME
157   --disable-indevs         disable input devices
158   --enable-outdev=NAME     enable output device NAME
159   --disable-outdev=NAME    disable output device NAME
160   --disable-outdevs        disable output devices
161   --disable-devices        disable all devices
162   --enable-filter=NAME     enable filter NAME
163   --disable-filter=NAME    disable filter NAME
164   --disable-filters        disable all filters
165
166 External library support:
167   --enable-avisynth        enable reading of AVISynth script files [no]
168   --enable-bzlib           enable bzlib [autodetect]
169   --enable-fontconfig      enable fontconfig
170   --enable-frei0r          enable frei0r video filtering
171   --enable-gnutls          enable gnutls [no]
172   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
173   --enable-libass          enable libass subtitles rendering [no]
174   --enable-libbluray       enable BluRay reading using libbluray [no]
175   --enable-libcelt         enable CELT decoding via libcelt [no]
176   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
177   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
178   --enable-libopencv       enable video filtering via libopencv [no]
179   --enable-libcdio         enable audio CD grabbing with libcdio
180   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
181                            and libraw1394 [no]
182   --enable-libdirac        enable Dirac support via libdirac [no]
183   --enable-libfaac         enable FAAC support via libfaac [no]
184   --enable-libfreetype     enable libfreetype [no]
185   --enable-libgsm          enable GSM support via libgsm [no]
186   --enable-libmodplug      enable ModPlug via libmodplug [no]
187   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
188   --enable-libnut          enable NUT (de)muxing via libnut,
189                            native (de)muxer exists [no]
190   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
191   --enable-libpulse        enable Pulseaudio input via libpulse [no]
192   --enable-librtmp         enable RTMP[E] support via librtmp [no]
193   --enable-libschroedinger enable Dirac support via libschroedinger [no]
194   --enable-libspeex        enable Speex support via libspeex [no]
195   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
196   --enable-libtheora       enable Theora encoding via libtheora [no]
197   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
198   --enable-libv4l2         enable libv4l2/v4l-utils [no]
199   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
200   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
201   --enable-libvorbis       enable Vorbis encoding via libvorbis,
202                            native implementation exists [no]
203   --enable-libvpx          enable VP8 support via libvpx [no]
204   --enable-libx264         enable H.264 encoding via x264 [no]
205   --enable-libxavs         enable AVS encoding via xavs [no]
206   --enable-libxvid         enable Xvid encoding via xvidcore,
207                            native MPEG-4/Xvid encoder exists [no]
208   --enable-openal          enable OpenAL 1.1 capture support [no]
209   --enable-openssl         enable openssl [no]
210   --enable-zlib            enable zlib [autodetect]
211
212 Advanced options (experts only):
213   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
214   --enable-cross-compile   assume a cross-compiler is used
215   --sysroot=PATH           root of cross-build tree
216   --sysinclude=PATH        location of cross-build system headers
217   --target-os=OS           compiler targets OS [$target_os]
218   --target-exec=CMD        command to run executables on target
219   --target-path=DIR        path to view of build directory on target
220   --nm=NM                  use nm tool NM [$nm_default]
221   --ar=AR                  use archive tool AR [$ar_default]
222   --as=AS                  use assembler AS [$as_default]
223   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
224   --cc=CC                  use C compiler CC [$cc_default]
225   --cxx=CXX                use C compiler CXX [$cxx_default]
226   --ld=LD                  use linker LD [$ld_default]
227   --host-cc=HOSTCC         use host C compiler HOSTCC
228   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
229   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
230   --host-libs=HLIBS        use libs HLIBS when linking for host
231   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
232   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
233   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
234   --extra-libs=ELIBS       add ELIBS [$ELIBS]
235   --extra-version=STRING   version string suffix []
236   --optflags               override optimization-related compiler flags
237   --build-suffix=SUFFIX    library name suffix []
238   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
239   --progs-suffix=SUFFIX    program name suffix []
240   --arch=ARCH              select architecture [$arch]
241   --cpu=CPU                select the minimum required CPU (affects
242                            instruction selection, may crash on older CPUs)
243   --enable-pic             build position-independent code
244   --enable-sram            allow use of on-chip SRAM
245   --disable-symver         disable symbol versioning
246   --disable-fastdiv        disable table-based division
247   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
248   --disable-safe-bitstream-reader
249                            disable buffer boundary checking in bitreaders
250                            (faster, but may crash)
251   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
252
253 Optimization options (experts only):
254   --disable-asm            disable all assembler optimizations
255   --disable-altivec        disable AltiVec optimizations
256   --disable-amd3dnow       disable 3DNow! optimizations
257   --disable-amd3dnowext    disable 3DNow! extended optimizations
258   --disable-mmx            disable MMX optimizations
259   --disable-mmx2           disable MMX2 optimizations
260   --disable-sse            disable SSE optimizations
261   --disable-ssse3          disable SSSE3 optimizations
262   --disable-avx            disable AVX optimizations
263   --disable-armv5te        disable armv5te optimizations
264   --disable-armv6          disable armv6 optimizations
265   --disable-armv6t2        disable armv6t2 optimizations
266   --disable-armvfp         disable ARM VFP optimizations
267   --disable-mmi            disable MMI optimizations
268   --disable-neon           disable NEON optimizations
269   --disable-vis            disable VIS optimizations
270   --disable-yasm           disable use of yasm assembler
271   --postproc-version=V     build libpostproc version V.
272                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
273
274 Developer options (useful when working on FFmpeg itself):
275   --enable-coverage        build with test coverage instrumentation
276   --disable-debug          disable debugging symbols
277   --enable-debug=LEVEL     set the debug level [$debuglevel]
278   --disable-optimizations  disable compiler optimizations
279   --enable-extra-warnings  enable more compiler warnings
280   --disable-stripping      disable stripping of executables and shared libraries
281   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
282                            2 causes a slowdown at runtime.
283   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
284                            leaks and errors, using the specified valgrind binary.
285                            Cannot be combined with --target-exec
286   --samples=PATH           location of test samples for FATE, if not set use
287                            \$FATE_SAMPLES at make invocation time.
288   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
289                            should be used only for debugging purposes)
290
291 NOTE: Object files are built at the place where configure is launched.
292 EOF
293   exit 0
294 }
295
296 quotes='""'
297
298 log(){
299     echo "$@" >> $logfile
300 }
301
302 log_file(){
303     log BEGIN $1
304     pr -n -t $1 >> $logfile
305     log END $1
306 }
307
308 echolog(){
309     log "$@"
310     echo "$@"
311 }
312
313 warn(){
314     log "WARNING: $*"
315     WARNINGS="${WARNINGS}WARNING: $*\n"
316 }
317
318 die(){
319     echolog "$@"
320     cat <<EOF
321
322 If you think configure made a mistake, make sure you are using the latest
323 version from Git.  If the latest version fails, report the problem to the
324 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
325 EOF
326     if disabled logging; then
327         cat <<EOF
328 Rerun configure with logging enabled (do not use --disable-logging), and
329 include the log this produces with your report.
330 EOF
331     else
332 cat <<EOF
333 Include the log file "$logfile" produced by configure as this will help
334 solving the problem.
335 EOF
336     fi
337     exit 1
338 }
339
340 # Avoid locale weirdness, besides we really just want to translate ASCII.
341 toupper(){
342     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
343 }
344
345 tolower(){
346     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
347 }
348
349 c_escape(){
350     echo "$*" | sed 's/["\\]/\\\0/g'
351 }
352
353 sh_quote(){
354     v=$(echo "$1" | sed "s/'/'\\\\''/g")
355     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
356     echo "$v"
357 }
358
359 cleanws(){
360     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
361 }
362
363 filter(){
364     pat=$1
365     shift
366     for v; do
367         eval "case $v in $pat) echo $v ;; esac"
368     done
369 }
370
371 filter_out(){
372     pat=$1
373     shift
374     for v; do
375         eval "case $v in $pat) ;; *) echo $v ;; esac"
376     done
377 }
378
379 map(){
380     m=$1
381     shift
382     for v; do eval $m; done
383 }
384
385 set_all(){
386     value=$1
387     shift
388     for var in $*; do
389         eval $var=$value
390     done
391 }
392
393 set_weak(){
394     value=$1
395     shift
396     for var; do
397         eval : \${$var:=$value}
398     done
399 }
400
401 set_safe(){
402     var=$1
403     shift
404     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
405 }
406
407 get_safe(){
408     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
409 }
410
411 pushvar(){
412     for var in $*; do
413         eval level=\${${var}_level:=0}
414         eval ${var}_${level}="\$$var"
415         eval ${var}_level=$(($level+1))
416     done
417 }
418
419 popvar(){
420     for var in $*; do
421         eval level=\${${var}_level:-0}
422         test $level = 0 && continue
423         eval level=$(($level-1))
424         eval $var="\${${var}_${level}}"
425         eval ${var}_level=$level
426         eval unset ${var}_${level}
427     done
428 }
429
430 enable(){
431     set_all yes $*
432 }
433
434 disable(){
435     set_all no $*
436 }
437
438 enable_weak(){
439     set_weak yes $*
440 }
441
442 disable_weak(){
443     set_weak no $*
444 }
445
446 enable_safe(){
447     for var; do
448         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
449     done
450 }
451
452 disable_safe(){
453     for var; do
454         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
455     done
456 }
457
458 do_enable_deep(){
459     for var; do
460         enabled $var && continue
461         eval sel="\$${var}_select"
462         eval sgs="\$${var}_suggest"
463         pushvar var sgs
464         enable_deep $sel
465         popvar sgs
466         enable_deep_weak $sgs
467         popvar var
468     done
469 }
470
471 enable_deep(){
472     do_enable_deep $*
473     enable $*
474 }
475
476 enable_deep_weak(){
477     do_enable_deep $*
478     enable_weak $*
479 }
480
481 enabled(){
482     test "${1#!}" = "$1" && op== || op=!=
483     eval test "x\$${1#!}" $op "xyes"
484 }
485
486 disabled(){
487     test "${1#!}" = "$1" && op== || op=!=
488     eval test "x\$${1#!}" $op "xno"
489 }
490
491 enabled_all(){
492     for opt; do
493         enabled $opt || return 1
494     done
495 }
496
497 disabled_all(){
498     for opt; do
499         disabled $opt || return 1
500     done
501 }
502
503 enabled_any(){
504     for opt; do
505         enabled $opt && return 0
506     done
507 }
508
509 disabled_any(){
510     for opt; do
511         disabled $opt && return 0
512     done
513     return 1
514 }
515
516 set_default(){
517     for opt; do
518         eval : \${$opt:=\$${opt}_default}
519     done
520 }
521
522 is_in(){
523     value=$1
524     shift
525     for var in $*; do
526         [ $var = $value ] && return 0
527     done
528     return 1
529 }
530
531 check_deps(){
532     for cfg; do
533         cfg="${cfg#!}"
534         enabled ${cfg}_checking && die "Circular dependency for $cfg."
535         disabled ${cfg}_checking && continue
536         enable ${cfg}_checking
537
538         eval dep_all="\$${cfg}_deps"
539         eval dep_any="\$${cfg}_deps_any"
540         eval dep_sel="\$${cfg}_select"
541         eval dep_sgs="\$${cfg}_suggest"
542         eval dep_ifa="\$${cfg}_if"
543         eval dep_ifn="\$${cfg}_if_any"
544
545         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
546         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
547         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
548
549         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
550         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
551         enabled_all  $dep_all || disable $cfg
552         enabled_any  $dep_any || disable $cfg
553         disabled_any $dep_sel && disable $cfg
554
555         if enabled $cfg; then
556             eval dep_extralibs="\$${cfg}_extralibs"
557             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
558             enable_deep $dep_sel
559             enable_deep_weak $dep_sgs
560         fi
561
562         disable ${cfg}_checking
563     done
564 }
565
566 print_config_h(){
567     enabled $1 && v=1 || v=0
568     echo "#define $2 $v"
569 }
570
571 print_config_mak(){
572     enabled $1 && v= || v=!
573     echo "$v$2=yes"
574 }
575
576 print_config_asm(){
577     enabled $1 && v=1 || v=0
578     echo "%define $2 $v"
579 }
580
581 print_config(){
582     pfx=$1
583     files=$2
584     shift 2
585     for cfg; do
586         ucname="$(toupper $cfg)"
587         for f in $files; do
588             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
589         done
590     done
591 }
592
593 print_enabled(){
594     test "$1" = -n && end=" " && shift || end="\n"
595     suf=$1
596     shift
597     for v; do
598         enabled $v && printf "%s$end" ${v%$suf};
599     done
600 }
601
602 append(){
603     var=$1
604     shift
605     eval "$var=\"\$$var $*\""
606 }
607
608 prepend(){
609     var=$1
610     shift
611     eval "$var=\"$* \$$var\""
612 }
613
614 add_cppflags(){
615     append CPPFLAGS $($filter_cppflags "$@")
616 }
617
618 add_cflags(){
619     append CFLAGS $($filter_cflags "$@")
620 }
621
622 add_cxxflags(){
623     append CXXFLAGS $($filter_cflags "$@")
624 }
625
626 add_asflags(){
627     append ASFLAGS $($filter_asflags "$@")
628 }
629
630 add_ldflags(){
631     append LDFLAGS "$@"
632 }
633
634 add_extralibs(){
635     prepend extralibs "$@"
636 }
637
638 check_cmd(){
639     log "$@"
640     "$@" >> $logfile 2>&1
641 }
642
643 check_cc(){
644     log check_cc "$@"
645     cat > $TMPC
646     log_file $TMPC
647     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
648 }
649
650 check_cxx(){
651     log check_cxx "$@"
652     cat > $TMPCPP
653     log_file $TMPCPP
654     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
655 }
656
657 check_cpp(){
658     log check_cpp "$@"
659     cat > $TMPC
660     log_file $TMPC
661     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
662 }
663
664 check_as(){
665     log check_as "$@"
666     cat > $TMPC
667     log_file $TMPC
668     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
669 }
670
671 check_asm(){
672     log check_asm "$@"
673     name="$1"
674     code="$2"
675     shift 2
676     disable $name
677     check_as "$@" <<EOF && enable $name
678 void foo(void){ __asm__ volatile($code); }
679 EOF
680 }
681
682 check_yasm(){
683     log check_yasm "$@"
684     echo "$1" > $TMPS
685     log_file $TMPS
686     shift 1
687     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
688 }
689
690 check_ld(){
691     log check_ld "$@"
692     type=$1
693     shift 1
694     flags=''
695     libs=''
696     for f; do
697         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
698     done
699     check_$type $($filter_cflags $flags) || return
700     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
701 }
702
703 check_cppflags(){
704     log check_cppflags "$@"
705     set -- $($filter_cppflags "$@")
706     check_cc "$@" <<EOF && append CPPFLAGS "$@"
707 int x;
708 EOF
709 }
710
711 check_cflags(){
712     log check_cflags "$@"
713     set -- $($filter_cflags "$@")
714     check_cc "$@" <<EOF && append CFLAGS "$@"
715 int x;
716 EOF
717 }
718
719 check_cxxflags(){
720     log check_cxxflags "$@"
721     set -- $($filter_cflags "$@")
722     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
723 int x;
724 EOF
725 }
726
727 test_ldflags(){
728     log test_ldflags "$@"
729     check_ld "cc" "$@" <<EOF
730 int main(void){ return 0; }
731 EOF
732 }
733
734 check_ldflags(){
735     log check_ldflags "$@"
736     test_ldflags "$@" && add_ldflags "$@"
737 }
738
739 check_header(){
740     log check_header "$@"
741     header=$1
742     shift
743     disable_safe $header
744     check_cpp "$@" <<EOF && enable_safe $header
745 #include <$header>
746 int x;
747 EOF
748 }
749
750 check_func(){
751     log check_func "$@"
752     func=$1
753     shift
754     disable $func
755     check_ld "cc" "$@" <<EOF && enable $func
756 extern int $func();
757 int main(void){ $func(); }
758 EOF
759 }
760
761 check_mathfunc(){
762     log check_mathfunc "$@"
763     func=$1
764     shift
765     disable $func
766     check_ld "cc" "$@" <<EOF && enable $func
767 #include <math.h>
768 float foo(float f) { return $func(f); }
769 int main(void){ return (int) foo; }
770 EOF
771 }
772
773 check_func_headers(){
774     log check_func_headers "$@"
775     headers=$1
776     funcs=$2
777     shift 2
778     {
779         for hdr in $headers; do
780             echo "#include <$hdr>"
781         done
782         for func in $funcs; do
783             echo "long check_$func(void) { return (long) $func; }"
784         done
785         echo "int main(void) { return 0; }"
786     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
787 }
788
789 check_class_headers_cpp(){
790     log check_class_headers_cpp "$@"
791     headers=$1
792     classes=$2
793     shift 2
794     {
795         for hdr in $headers; do
796             echo "#include <$hdr>"
797         done
798         echo "int main(void) { "
799         i=1
800         for class in $classes; do
801             echo "$class obj$i;"
802             i=$(expr $i + 1)
803         done
804         echo "return 0; }"
805     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
806 }
807
808 check_cpp_condition(){
809     log check_cpp_condition "$@"
810     header=$1
811     condition=$2
812     shift 2
813     check_cpp $($filter_cppflags "$@") <<EOF
814 #include <$header>
815 #if !($condition)
816 #error "unsatisfied condition: $condition"
817 #endif
818 EOF
819 }
820
821 check_lib(){
822     log check_lib "$@"
823     header="$1"
824     func="$2"
825     shift 2
826     check_header $header && check_func $func "$@" && add_extralibs "$@"
827 }
828
829 check_lib2(){
830     log check_lib2 "$@"
831     headers="$1"
832     funcs="$2"
833     shift 2
834     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
835 }
836
837 check_lib_cpp(){
838     log check_lib_cpp "$@"
839     headers="$1"
840     classes="$2"
841     shift 2
842     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
843 }
844
845 check_pkg_config(){
846     log check_pkg_config "$@"
847     pkg="$1"
848     headers="$2"
849     funcs="$3"
850     shift 3
851     $pkg_config --exists $pkg 2>/dev/null || return
852     pkg_cflags=$($pkg_config --cflags $pkg)
853     pkg_libs=$($pkg_config --libs $pkg)
854     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
855         set_safe ${pkg}_cflags $pkg_cflags   &&
856         set_safe ${pkg}_libs   $pkg_libs
857 }
858
859 check_exec(){
860     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
861 }
862
863 check_exec_crash(){
864     code=$(cat)
865
866     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
867     # are safe but may not be available everywhere.  Thus we use
868     # raise(SIGTERM) instead.  The check is run in a subshell so we
869     # can redirect the "Terminated" message from the shell.  SIGBUS
870     # is not defined by standard C so it is used conditionally.
871
872     (check_exec "$@") >> $logfile 2>&1 <<EOF
873 #include <signal.h>
874 static void sighandler(int sig){
875     raise(SIGTERM);
876 }
877 int func(void){
878     $code
879 }
880 int (*func_ptr)(void) = func;
881 int main(void){
882     signal(SIGILL, sighandler);
883     signal(SIGFPE, sighandler);
884     signal(SIGSEGV, sighandler);
885 #ifdef SIGBUS
886     signal(SIGBUS, sighandler);
887 #endif
888     return func_ptr();
889 }
890 EOF
891 }
892
893 check_type(){
894     log check_type "$@"
895     headers=$1
896     type=$2
897     shift 2
898     disable_safe "$type"
899     incs=""
900     for hdr in $headers; do
901         incs="$incs
902 #include <$hdr>"
903     done
904     check_cc "$@" <<EOF && enable_safe "$type"
905 $incs
906 $type v;
907 EOF
908 }
909
910 check_struct(){
911     log check_type "$@"
912     headers=$1
913     struct=$2
914     member=$3
915     shift 3
916     disable_safe "${struct}_${member}"
917     incs=""
918     for hdr in $headers; do
919         incs="$incs
920 #include <$hdr>"
921     done
922     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
923 $incs
924 const void *p = &(($struct *)0)->$member;
925 EOF
926 }
927
928 require(){
929     name="$1"
930     header="$2"
931     func="$3"
932     shift 3
933     check_lib $header $func "$@" || die "ERROR: $name not found"
934 }
935
936 require2(){
937     name="$1"
938     headers="$2"
939     func="$3"
940     shift 3
941     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
942 }
943
944 require_cpp(){
945     name="$1"
946     headers="$2"
947     classes="$3"
948     shift 3
949     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
950 }
951
952 require_pkg_config(){
953     pkg="$1"
954     check_pkg_config "$@" || die "ERROR: $pkg not found"
955     add_cflags    $(get_safe ${pkg}_cflags)
956     add_extralibs $(get_safe ${pkg}_libs)
957 }
958
959 check_host_cc(){
960     log check_host_cc "$@"
961     cat > $TMPC
962     log_file $TMPC
963     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
964 }
965
966 check_host_cflags(){
967     log check_host_cflags "$@"
968     check_host_cc "$@" <<EOF && append host_cflags "$@"
969 int x;
970 EOF
971 }
972
973 apply(){
974     file=$1
975     shift
976     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
977 }
978
979 cp_if_changed(){
980     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
981     mkdir -p "$(dirname $2)"
982     cp -f "$1" "$2"
983 }
984
985 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
986 # system-dependent things.
987
988 COMPONENT_LIST="
989     bsfs
990     decoders
991     demuxers
992     encoders
993     filters
994     hwaccels
995     indevs
996     muxers
997     outdevs
998     parsers
999     protocols
1000 "
1001
1002 PROGRAM_LIST="
1003     ffplay
1004     ffprobe
1005     ffserver
1006     ffmpeg
1007 "
1008
1009 CONFIG_LIST="
1010     $COMPONENT_LIST
1011     $PROGRAM_LIST
1012     ac3dsp
1013     avcodec
1014     avdevice
1015     avfilter
1016     avformat
1017     avisynth
1018     bzlib
1019     crystalhd
1020     dct
1021     doc
1022     dwt
1023     dxva2
1024     fastdiv
1025     fft
1026     fontconfig
1027     frei0r
1028     gnutls
1029     gpl
1030     gray
1031     hardcoded_tables
1032     libaacplus
1033     libass
1034     libbluray
1035     libcdio
1036     libcelt
1037     libdc1394
1038     libdirac
1039     libfaac
1040     libfreetype
1041     libgsm
1042     libmodplug
1043     libmp3lame
1044     libnut
1045     libopencore_amrnb
1046     libopencore_amrwb
1047     libopencv
1048     libopenjpeg
1049     libpulse
1050     librtmp
1051     libschroedinger
1052     libspeex
1053     libstagefright_h264
1054     libtheora
1055     libutvideo
1056     libv4l2
1057     libvo_aacenc
1058     libvo_amrwbenc
1059     libvorbis
1060     libvpx
1061     libx264
1062     libxavs
1063     libxvid
1064     lsp
1065     mdct
1066     memalign_hack
1067     mpegaudiodsp
1068     network
1069     nonfree
1070     openal
1071     openssl
1072     pic
1073     postproc
1074     rdft
1075     rtpdec
1076     runtime_cpudetect
1077     safe_bitstream_reader
1078     shared
1079     sinewin
1080     small
1081     sram
1082     static
1083     swresample
1084     swscale
1085     swscale_alpha
1086     thumb
1087     vaapi
1088     vda
1089     vdpau
1090     version3
1091     xmm_clobber_test
1092     x11grab
1093     zlib
1094 "
1095
1096 THREADS_LIST='
1097     pthreads
1098     w32threads
1099     os2threads
1100 '
1101
1102 ARCH_LIST='
1103     alpha
1104     arm
1105     avr32
1106     avr32_ap
1107     avr32_uc
1108     bfin
1109     ia64
1110     m68k
1111     mips
1112     mips64
1113     parisc
1114     ppc
1115     ppc64
1116     s390
1117     sh4
1118     sparc
1119     sparc64
1120     tomi
1121     x86
1122     x86_32
1123     x86_64
1124 '
1125
1126 ARCH_EXT_LIST='
1127     altivec
1128     amd3dnow
1129     amd3dnowext
1130     armv5te
1131     armv6
1132     armv6t2
1133     armvfp
1134     avx
1135     mmi
1136     mmx
1137     mmx2
1138     neon
1139     ppc4xx
1140     sse
1141     ssse3
1142     vfpv3
1143     vis
1144 '
1145
1146 HAVE_LIST_PUB='
1147     bigendian
1148     fast_unaligned
1149 '
1150
1151 HAVE_LIST="
1152     $ARCH_EXT_LIST
1153     $HAVE_LIST_PUB
1154     $THREADS_LIST
1155     aligned_stack
1156     alsa_asoundlib_h
1157     altivec_h
1158     arpa_inet_h
1159     asm_mod_y
1160     asm_types_h
1161     attribute_may_alias
1162     attribute_packed
1163     cbrtf
1164     clock_gettime
1165     closesocket
1166     cmov
1167     dcbzl
1168     dev_bktr_ioctl_bt848_h
1169     dev_bktr_ioctl_meteor_h
1170     dev_ic_bt8xx_h
1171     dev_video_bktr_ioctl_bt848_h
1172     dev_video_meteor_ioctl_meteor_h
1173     dlfcn_h
1174     dlopen
1175     dos_paths
1176     ebp_available
1177     ebx_available
1178     exp2
1179     exp2f
1180     fast_64bit
1181     fast_clz
1182     fast_cmov
1183     fcntl
1184     fork
1185     getaddrinfo
1186     gethrtime
1187     GetProcessAffinityMask
1188     GetProcessMemoryInfo
1189     GetProcessTimes
1190     getrusage
1191     glob
1192     gnu_as
1193     ibm_asm
1194     inet_aton
1195     inline_asm
1196     isatty
1197     kbhit
1198     ldbrx
1199     libdc1394_1
1200     libdc1394_2
1201     llrint
1202     llrintf
1203     local_aligned_16
1204     local_aligned_8
1205     localtime_r
1206     log2
1207     log2f
1208     loongson
1209     lrint
1210     lrintf
1211     lzo1x_999_compress
1212     machine_ioctl_bt848_h
1213     machine_ioctl_meteor_h
1214     makeinfo
1215     malloc_h
1216     MapViewOfFile
1217     memalign
1218     mkstemp
1219     mmap
1220     PeekNamedPipe
1221     poll_h
1222     posix_memalign
1223     round
1224     roundf
1225     sched_getaffinity
1226     sdl
1227     sdl_video_size
1228     setmode
1229     setrlimit
1230     sndio_h
1231     socklen_t
1232     soundcard_h
1233     strerror_r
1234     strptime
1235     struct_addrinfo
1236     struct_ipv6_mreq
1237     struct_rusage_ru_maxrss
1238     struct_sockaddr_in6
1239     struct_sockaddr_sa_len
1240     struct_sockaddr_storage
1241     struct_v4l2_frmivalenum_discrete
1242     symver
1243     symver_asm_label
1244     symver_gnu_asm
1245     sysconf
1246     sysctl
1247     sys_mman_h
1248     sys_param_h
1249     sys_resource_h
1250     sys_select_h
1251     sys_soundcard_h
1252     sys_videoio_h
1253     termios_h
1254     threads
1255     trunc
1256     truncf
1257     vfp_args
1258     VirtualAlloc
1259     winsock2_h
1260     xform_asm
1261     xmm_clobbers
1262     yasm
1263 "
1264
1265 # options emitted with CONFIG_ prefix but not available on command line
1266 CONFIG_EXTRA="
1267     aandct
1268     avutil
1269     golomb
1270     gplv3
1271     h264chroma
1272     h264dsp
1273     h264pred
1274     h264qpel
1275     huffman
1276     lgplv3
1277     lpc
1278 "
1279
1280 CMDLINE_SELECT="
1281     $ARCH_EXT_LIST
1282     $CONFIG_LIST
1283     $THREADS_LIST
1284     asm
1285     coverage
1286     cross_compile
1287     debug
1288     extra_warnings
1289     logging
1290     optimizations
1291     stripping
1292     symver
1293     yasm
1294 "
1295
1296 PATHS_LIST='
1297     bindir
1298     datadir
1299     incdir
1300     libdir
1301     mandir
1302     prefix
1303     shlibdir
1304 '
1305
1306 CMDLINE_SET="
1307     $PATHS_LIST
1308     ar
1309     arch
1310     as
1311     assert_level
1312     build_suffix
1313     cc
1314     cpu
1315     cross_prefix
1316     cxx
1317     dep_cc
1318     extra_version
1319     host_cc
1320     host_cflags
1321     host_ldflags
1322     host_libs
1323     host_os
1324     install
1325     ld
1326     logfile
1327     malloc_prefix
1328     nm
1329     optflags
1330     pkg_config
1331     postproc_version
1332     progs_suffix
1333     samples
1334     strip
1335     sysinclude
1336     sysroot
1337     target_exec
1338     target_os
1339     target_path
1340     valgrind
1341     yasmexe
1342 "
1343
1344 CMDLINE_APPEND="
1345     extra_cflags
1346     extra_cxxflags
1347 "
1348
1349 # code dependency declarations
1350
1351 # architecture extensions
1352
1353 armv5te_deps="arm"
1354 armv6_deps="arm"
1355 armv6t2_deps="arm"
1356 armvfp_deps="arm"
1357 neon_deps="arm"
1358 vfpv3_deps="armvfp"
1359
1360 mmi_deps="mips"
1361
1362 altivec_deps="ppc"
1363 ppc4xx_deps="ppc"
1364
1365 vis_deps="sparc"
1366
1367 x86_64_suggest="cmov fast_cmov"
1368 amd3dnow_deps="mmx"
1369 amd3dnowext_deps="amd3dnow"
1370 mmx_deps="x86"
1371 mmx2_deps="mmx"
1372 sse_deps="mmx"
1373 ssse3_deps="sse"
1374 avx_deps="ssse3"
1375
1376 aligned_stack_if_any="ppc x86"
1377 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1378 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1379 fast_unaligned_if_any="armv6 ppc x86"
1380
1381 inline_asm_deps="!tms470"
1382 need_memalign="altivec neon sse"
1383
1384 symver_if_any="symver_asm_label symver_gnu_asm"
1385
1386 # subsystems
1387 dct_select="rdft"
1388 mdct_select="fft"
1389 rdft_select="fft"
1390 mpegaudiodsp_select="dct"
1391
1392 # decoders / encoders / hardware accelerators
1393 aac_decoder_select="mdct sinewin"
1394 aac_encoder_select="mdct sinewin"
1395 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1396 ac3_decoder_select="mdct ac3dsp ac3_parser"
1397 ac3_encoder_select="mdct ac3dsp"
1398 ac3_fixed_encoder_select="mdct ac3dsp"
1399 alac_encoder_select="lpc"
1400 amrnb_decoder_select="lsp"
1401 amrwb_decoder_select="lsp"
1402 atrac1_decoder_select="mdct sinewin"
1403 atrac3_decoder_select="mdct"
1404 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1405 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1406 cavs_decoder_select="golomb"
1407 cook_decoder_select="mdct sinewin"
1408 cscd_decoder_suggest="zlib"
1409 dca_decoder_select="mdct"
1410 dnxhd_encoder_select="aandct"
1411 dxa_decoder_select="zlib"
1412 eac3_decoder_select="ac3_decoder"
1413 eac3_encoder_select="mdct ac3dsp"
1414 eamad_decoder_select="aandct"
1415 eatgq_decoder_select="aandct"
1416 eatqi_decoder_select="aandct"
1417 ffv1_decoder_select="golomb"
1418 flac_decoder_select="golomb"
1419 flac_encoder_select="golomb lpc"
1420 flashsv_decoder_select="zlib"
1421 flashsv_encoder_select="zlib"
1422 flashsv2_encoder_select="zlib"
1423 flashsv2_decoder_select="zlib"
1424 flv_decoder_select="h263_decoder"
1425 flv_encoder_select="h263_encoder"
1426 fraps_decoder_select="huffman"
1427 h261_encoder_select="aandct"
1428 h263_decoder_select="h263_parser"
1429 h263_encoder_select="aandct"
1430 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1431 h263i_decoder_select="h263_decoder"
1432 h263p_encoder_select="h263_encoder"
1433 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1434 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1435 h264_dxva2_hwaccel_deps="dxva2api_h"
1436 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1437 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1438 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1439 h264_vda_hwaccel_select="vda h264_decoder"
1440 h264_vdpau_decoder_select="vdpau h264_decoder"
1441 imc_decoder_select="fft mdct sinewin"
1442 jpegls_decoder_select="golomb"
1443 jpegls_encoder_select="golomb"
1444 ljpeg_encoder_select="aandct"
1445 loco_decoder_select="golomb"
1446 mjpeg_encoder_select="aandct"
1447 mlp_decoder_select="mlp_parser"
1448 mp1_decoder_select="mpegaudiodsp"
1449 mp1float_decoder_select="mpegaudiodsp"
1450 mp2_decoder_select="mpegaudiodsp"
1451 mp2float_decoder_select="mpegaudiodsp"
1452 mp3_decoder_select="mpegaudiodsp"
1453 mp3adu_decoder_select="mpegaudiodsp"
1454 mp3adufloat_decoder_select="mpegaudiodsp"
1455 mp3float_decoder_select="mpegaudiodsp"
1456 mp3on4_decoder_select="mpegaudiodsp"
1457 mp3on4float_decoder_select="mpegaudiodsp"
1458 mpc7_decoder_select="mpegaudiodsp"
1459 mpc8_decoder_select="mpegaudiodsp"
1460 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1461 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1462 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1463 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1464 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1465 mpeg1video_encoder_select="aandct"
1466 mpeg2_crystalhd_decoder_select="crystalhd"
1467 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1468 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1469 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1470 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1471 mpeg2video_encoder_select="aandct"
1472 mpeg4_crystalhd_decoder_select="crystalhd"
1473 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1474 mpeg4_encoder_select="h263_encoder"
1475 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1476 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1477 msmpeg4_crystalhd_decoder_select="crystalhd"
1478 msmpeg4v1_decoder_select="h263_decoder"
1479 msmpeg4v1_encoder_select="h263_encoder"
1480 msmpeg4v2_decoder_select="h263_decoder"
1481 msmpeg4v2_encoder_select="h263_encoder"
1482 msmpeg4v3_decoder_select="h263_decoder"
1483 msmpeg4v3_encoder_select="h263_encoder"
1484 nellymoser_decoder_select="mdct sinewin"
1485 nellymoser_encoder_select="mdct sinewin"
1486 png_decoder_select="zlib"
1487 png_encoder_select="zlib"
1488 qcelp_decoder_select="lsp"
1489 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1490 ra_144_encoder_select="lpc"
1491 ralf_decoder_select="golomb"
1492 rv10_decoder_select="h263_decoder"
1493 rv10_encoder_select="h263_encoder"
1494 rv20_decoder_select="h263_decoder"
1495 rv20_encoder_select="h263_encoder"
1496 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1497 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1498 shorten_decoder_select="golomb"
1499 sipr_decoder_select="lsp"
1500 snow_decoder_select="dwt"
1501 snow_encoder_select="aandct dwt"
1502 sonic_decoder_select="golomb"
1503 sonic_encoder_select="golomb"
1504 sonic_ls_encoder_select="golomb"
1505 svq1_encoder_select="aandct"
1506 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1507 svq3_decoder_suggest="zlib"
1508 theora_decoder_select="vp3_decoder"
1509 tiff_decoder_suggest="zlib"
1510 tiff_encoder_suggest="zlib"
1511 truehd_decoder_select="mlp_decoder"
1512 tscc_decoder_select="zlib"
1513 twinvq_decoder_select="mdct lsp sinewin"
1514 vc1_crystalhd_decoder_select="crystalhd"
1515 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1516 vc1_dxva2_hwaccel_deps="dxva2api_h"
1517 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1518 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1519 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1520 vc1image_decoder_select="vc1_decoder"
1521 vorbis_decoder_select="mdct"
1522 vorbis_encoder_select="mdct"
1523 vp6_decoder_select="huffman"
1524 vp6a_decoder_select="vp6_decoder"
1525 vp6f_decoder_select="vp6_decoder"
1526 vp8_decoder_select="h264pred h264qpel"
1527 wmapro_decoder_select="mdct sinewin"
1528 wmav1_decoder_select="mdct sinewin"
1529 wmav1_encoder_select="mdct sinewin"
1530 wmav2_decoder_select="mdct sinewin"
1531 wmav2_encoder_select="mdct sinewin"
1532 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1533 wmv1_decoder_select="h263_decoder"
1534 wmv1_encoder_select="h263_encoder"
1535 wmv2_decoder_select="h263_decoder"
1536 wmv2_encoder_select="h263_encoder"
1537 wmv3_decoder_select="vc1_decoder"
1538 wmv3_crystalhd_decoder_select="crystalhd"
1539 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1540 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1541 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1542 wmv3image_decoder_select="wmv3_decoder"
1543 zerocodec_decoder_select="zlib"
1544 zlib_decoder_select="zlib"
1545 zlib_encoder_select="zlib"
1546 zmbv_decoder_select="zlib"
1547 zmbv_encoder_select="zlib"
1548
1549 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1550 vaapi_deps="va_va_h"
1551 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1552 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1553
1554 # parsers
1555 h264_parser_select="golomb h264dsp h264pred"
1556
1557 # external libraries
1558 libaacplus_encoder_deps="libaacplus"
1559 libcelt_decoder_deps="libcelt"
1560 libdirac_decoder_deps="libdirac !libschroedinger"
1561 libfaac_encoder_deps="libfaac"
1562 libgsm_decoder_deps="libgsm"
1563 libgsm_encoder_deps="libgsm"
1564 libgsm_ms_decoder_deps="libgsm"
1565 libgsm_ms_encoder_deps="libgsm"
1566 libmodplug_demuxer_deps="libmodplug"
1567 libmp3lame_encoder_deps="libmp3lame"
1568 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1569 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1570 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1571 libopenjpeg_decoder_deps="libopenjpeg"
1572 libopenjpeg_encoder_deps="libopenjpeg"
1573 libschroedinger_decoder_deps="libschroedinger"
1574 libschroedinger_encoder_deps="libschroedinger"
1575 libspeex_decoder_deps="libspeex"
1576 libspeex_encoder_deps="libspeex"
1577 libstagefright_h264_decoder_deps="libstagefright_h264"
1578 libtheora_encoder_deps="libtheora"
1579 libvo_aacenc_encoder_deps="libvo_aacenc"
1580 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1581 libvorbis_encoder_deps="libvorbis"
1582 libvpx_decoder_deps="libvpx"
1583 libvpx_encoder_deps="libvpx"
1584 libx264_encoder_deps="libx264"
1585 libx264rgb_encoder_deps="libx264"
1586 libxavs_encoder_deps="libxavs"
1587 libxvid_encoder_deps="libxvid"
1588 libutvideo_decoder_deps="libutvideo"
1589 libutvideo_encoder_deps="libutvideo"
1590
1591 # demuxers / muxers
1592 ac3_demuxer_select="ac3_parser"
1593 asf_stream_muxer_select="asf_muxer"
1594 avisynth_demuxer_deps="avisynth"
1595 dirac_demuxer_select="dirac_parser"
1596 eac3_demuxer_select="ac3_parser"
1597 flac_demuxer_select="flac_parser"
1598 ipod_muxer_select="mov_muxer"
1599 libnut_demuxer_deps="libnut"
1600 libnut_muxer_deps="libnut"
1601 matroska_audio_muxer_select="matroska_muxer"
1602 matroska_demuxer_suggest="zlib bzlib"
1603 mov_demuxer_suggest="zlib"
1604 mp3_demuxer_select="mpegaudio_parser"
1605 mp4_muxer_select="mov_muxer"
1606 mpegtsraw_demuxer_select="mpegts_demuxer"
1607 mxf_d10_muxer_select="mxf_muxer"
1608 ogg_demuxer_select="golomb"
1609 psp_muxer_select="mov_muxer"
1610 rtp_demuxer_select="sdp_demuxer"
1611 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1612 rtsp_demuxer_select="http_protocol rtpdec"
1613 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1614 sap_demuxer_select="sdp_demuxer"
1615 sap_muxer_select="rtp_muxer rtp_protocol"
1616 sdp_demuxer_select="rtpdec"
1617 spdif_muxer_select="aac_parser"
1618 tg2_muxer_select="mov_muxer"
1619 tgp_muxer_select="mov_muxer"
1620 w64_demuxer_deps="wav_demuxer"
1621
1622 # indevs / outdevs
1623 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1624 alsa_outdev_deps="alsa_asoundlib_h"
1625 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1626 dshow_indev_deps="IBaseFilter"
1627 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1628 dv1394_indev_deps="dv1394 dv_demuxer"
1629 fbdev_indev_deps="linux_fb_h"
1630 jack_indev_deps="jack_jack_h sem_timedwait"
1631 lavfi_indev_deps="avfilter"
1632 libcdio_indev_deps="libcdio"
1633 libdc1394_indev_deps="libdc1394"
1634 libv4l2_indev_deps="libv4l2"
1635 openal_indev_deps="openal"
1636 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1637 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1638 pulse_indev_deps="libpulse"
1639 sdl_outdev_deps="sdl"
1640 sndio_indev_deps="sndio_h"
1641 sndio_outdev_deps="sndio_h"
1642 v4l_indev_deps="linux_videodev_h"
1643 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1644 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1645 vfwcap_indev_extralibs="-lavicap32"
1646 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1647
1648 # protocols
1649 bluray_protocol_deps="libbluray"
1650 gopher_protocol_deps="network"
1651 httpproxy_protocol_deps="network"
1652 httpproxy_protocol_select="tcp_protocol"
1653 http_protocol_deps="network"
1654 http_protocol_select="tcp_protocol"
1655 https_protocol_select="tls_protocol"
1656 librtmp_protocol_deps="librtmp"
1657 librtmpe_protocol_deps="librtmp"
1658 librtmps_protocol_deps="librtmp"
1659 librtmpt_protocol_deps="librtmp"
1660 librtmpte_protocol_deps="librtmp"
1661 mmsh_protocol_select="http_protocol"
1662 mmst_protocol_deps="network"
1663 rtmp_protocol_deps="!librtmp_protocol"
1664 rtmp_protocol_select="tcp_protocol"
1665 rtp_protocol_select="udp_protocol"
1666 tcp_protocol_deps="network"
1667 tls_protocol_deps_any="openssl gnutls"
1668 tls_protocol_select="tcp_protocol"
1669 udp_protocol_deps="network"
1670
1671 # filters
1672 aconvert_filter_deps="swresample"
1673 amovie_filter_deps="avcodec avformat"
1674 aresample_filter_deps="swresample"
1675 ass_filter_deps="libass"
1676 blackframe_filter_deps="gpl"
1677 boxblur_filter_deps="gpl"
1678 colormatrix_filter_deps="gpl"
1679 cropdetect_filter_deps="gpl"
1680 delogo_filter_deps="gpl"
1681 drawtext_filter_deps="libfreetype"
1682 frei0r_filter_deps="frei0r dlopen"
1683 frei0r_filter_extralibs='$ldl'
1684 frei0r_src_filter_deps="frei0r dlopen"
1685 frei0r_src_filter_extralibs='$ldl'
1686 hqdn3d_filter_deps="gpl"
1687 movie_filter_deps="avcodec avformat"
1688 mp_filter_deps="gpl avcodec swscale postproc"
1689 mptestsrc_filter_deps="gpl"
1690 negate_filter_deps="lut_filter"
1691 ocv_filter_deps="libopencv"
1692 pan_filter_deps="swresample"
1693 removelogo_filter_deps="avcodec avformat swscale"
1694 scale_filter_deps="swscale"
1695 super2xsai_filter_deps="gpl"
1696 tinterlace_filter_deps="gpl"
1697 yadif_filter_deps="gpl"
1698
1699 # libraries
1700 avdevice_deps="avcodec avformat"
1701 avformat_deps="avcodec"
1702 postproc_deps="gpl"
1703
1704 # programs
1705 ffplay_deps="avcodec avformat swscale swresample sdl"
1706 ffplay_select="buffersink_filter rdft"
1707 ffprobe_deps="avcodec avformat"
1708 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1709 ffserver_extralibs='$ldl'
1710 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1711 ffmpeg_select="buffersink_filter"
1712
1713 doc_deps="texi2html"
1714
1715 # tests
1716
1717 test_deps(){
1718     suf1=$1
1719     suf2=$2
1720     shift 2
1721     for v; do
1722         dep=${v%=*}
1723         tests=${v#*=}
1724         for name in ${tests}; do
1725             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1726         done
1727     done
1728 }
1729
1730 mxf_d10_test_deps="avfilter"
1731 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1732
1733 test_deps _encoder _decoder                                             \
1734     adpcm_ima_qt                                                        \
1735     adpcm_ima_wav                                                       \
1736     adpcm_ms                                                            \
1737     adpcm_swf                                                           \
1738     adpcm_yamaha=adpcm_yam                                              \
1739     alac                                                                \
1740     asv1                                                                \
1741     asv2                                                                \
1742     bmp                                                                 \
1743     dnxhd="dnxhd_1080i dnxhd_720p dnxhd_720p_rd"                        \
1744     dvvideo="dv dv_411 dv50"                                            \
1745     ffv1                                                                \
1746     flac                                                                \
1747     flashsv                                                             \
1748     flv                                                                 \
1749     adpcm_g726=g726                                                     \
1750     gif                                                                 \
1751     h261                                                                \
1752     h263="h263 h263p"                                                   \
1753     huffyuv                                                             \
1754     jpegls                                                              \
1755     mjpeg="jpg mjpeg ljpeg"                                             \
1756     mp2                                                                 \
1757     mpeg1video="mpeg mpeg1b"                                            \
1758     mpeg2video="mpeg2 mpeg2_422 mpeg2_idct_int mpeg2_ilace mpeg2_ivlc_qprd" \
1759     mpeg2video="mpeg2thread mpeg2thread_ilace"                          \
1760     mpeg4="mpeg4 mpeg4_adap mpeg4_qpel mpeg4_qprd mpeg4adv mpeg4nr"     \
1761     mpeg4="mpeg4thread error rc"                                        \
1762     msmpeg4v3=msmpeg4                                                   \
1763     msmpeg4v2                                                           \
1764     pbm=pbmpipe                                                         \
1765     pcx                                                                 \
1766     pgm="pgm pgmpipe"                                                   \
1767     png                                                                 \
1768     ppm="ppm ppmpipe"                                                   \
1769     rawvideo="rgb yuv"                                                  \
1770     roq                                                                 \
1771     rv10                                                                \
1772     rv20                                                                \
1773     sgi                                                                 \
1774     snow="snow snowll"                                                  \
1775     svq1                                                                \
1776     targa=tga                                                           \
1777     tiff                                                                \
1778     wmav1                                                               \
1779     wmav2                                                               \
1780     wmv1                                                                \
1781     wmv2                                                                \
1782
1783 test_deps _muxer _demuxer                                               \
1784     aiff                                                                \
1785     pcm_alaw=alaw                                                       \
1786     asf                                                                 \
1787     au                                                                  \
1788     avi                                                                 \
1789     dv=dv_fmt                                                           \
1790     ffm                                                                 \
1791     flv=flv_fmt                                                         \
1792     gxf                                                                 \
1793     matroska=mkv                                                        \
1794     mmf                                                                 \
1795     mov="mov ismv"                                                      \
1796     pcm_mulaw=mulaw                                                     \
1797     mxf="mxf mxf_d10"                                                   \
1798     nut                                                                 \
1799     ogg="ogg ogg_vp3"                                                   \
1800     rawvideo=pixfmt                                                     \
1801     rm                                                                  \
1802     swf                                                                 \
1803     mpegts=ts                                                           \
1804     voc                                                                 \
1805     wav                                                                 \
1806     yuv4mpegpipe=yuv4mpeg                                               \
1807
1808 ac3_fixed_test_deps="ac3_fixed_encoder ac3_decoder"
1809 colormatrix1_test_deps="colormatrix_filter"
1810 colormatrix2_test_deps="colormatrix_filter"
1811 flashsv2_test_deps="zlib"
1812 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1813 mpng_test_deps="zlib"
1814 pp_test_deps="mp_filter"
1815 pp2_test_deps="mp_filter"
1816 pp3_test_deps="mp_filter"
1817 pp4_test_deps="mp_filter"
1818 pp5_test_deps="mp_filter"
1819 pp6_test_deps="mp_filter"
1820 zlib_test_deps="zlib"
1821 zmbv_test_deps="zlib"
1822
1823 # default parameters
1824
1825 logfile="config.log"
1826
1827 # installation paths
1828 prefix_default="/usr/local"
1829 bindir_default='${prefix}/bin'
1830 datadir_default='${prefix}/share/ffmpeg'
1831 incdir_default='${prefix}/include'
1832 libdir_default='${prefix}/lib'
1833 mandir_default='${prefix}/share/man'
1834 shlibdir_default="$libdir_default"
1835 postproc_version_default="current"
1836
1837 # toolchain
1838 ar_default="ar"
1839 cc_default="gcc"
1840 cxx_default="g++"
1841 cc_version=\"unknown\"
1842 host_cc_default="gcc"
1843 install="install"
1844 ln_s="ln -sf"
1845 nm_default="nm"
1846 objformat="elf"
1847 pkg_config_default=pkg-config
1848 ranlib="ranlib"
1849 strip_default="strip"
1850 yasmexe_default="yasm"
1851
1852 nm_opts='-g'
1853 nogas=":"
1854
1855 # machine
1856 arch_default=$(uname -m)
1857 cpu="generic"
1858
1859 # OS
1860 target_os_default=$(tolower $(uname -s))
1861 host_os=$target_os_default
1862
1863 # alternative libpostproc version
1864 ALT_PP_VER_MAJOR=51
1865 ALT_PP_VER_MINOR=2
1866 ALT_PP_VER_MICRO=101
1867 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1868
1869 # configurable options
1870 enable $PROGRAM_LIST
1871
1872 enable avcodec
1873 enable avdevice
1874 enable avfilter
1875 enable avformat
1876 enable avutil
1877 enable postproc
1878 enable stripping
1879 enable swresample
1880 enable swscale
1881
1882 enable asm
1883 enable debug
1884 enable doc
1885 enable fastdiv
1886 enable network
1887 enable optimizations
1888 enable safe_bitstream_reader
1889 enable static
1890 enable swscale_alpha
1891
1892 # build settings
1893 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1894 FFSERVERLDFLAGS=-Wl,-E
1895 LIBPREF="lib"
1896 LIBSUF=".a"
1897 FULLNAME='$(NAME)$(BUILDSUF)'
1898 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1899 SLIBPREF="lib"
1900 SLIBSUF=".so"
1901 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1902 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1903 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1904 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1905 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1906 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1907
1908 AS_O='-o $@'
1909 CC_O='-o $@'
1910 CXX_O='-o $@'
1911
1912 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1913 host_libs='-lm'
1914
1915 target_path='$(CURDIR)'
1916
1917 # since the object filename is not given with the -MM flag, the compiler
1918 # is only able to print the basename, and we must add the path ourselves
1919 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1920 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1921
1922 # find source path
1923 if test -f configure; then
1924     source_path=.
1925 else
1926     source_path=$(cd $(dirname "$0"); pwd)
1927     echo "$source_path" | grep -q '[[:blank:]]' &&
1928         die "Out of tree builds are impossible with whitespace in source path."
1929     test -e "$source_path/config.h" &&
1930         die "Out of tree builds are impossible with config.h in source dir."
1931 fi
1932
1933 for v in "$@"; do
1934     r=${v#*=}
1935     l=${v%"$r"}
1936     r=$(sh_quote "$r")
1937     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1938 done
1939
1940 find_things(){
1941     thing=$1
1942     pattern=$2
1943     file=$source_path/$3
1944     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1945 }
1946
1947 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1948 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1949 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1950 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1951 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1952 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1953 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1954 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1955 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1956 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1957 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1958
1959 ALL_COMPONENTS="
1960     $BSF_LIST
1961     $DECODER_LIST
1962     $DEMUXER_LIST
1963     $ENCODER_LIST
1964     $FILTER_LIST
1965     $HWACCEL_LIST
1966     $INDEV_LIST
1967     $MUXER_LIST
1968     $OUTDEV_LIST
1969     $PARSER_LIST
1970     $PROTOCOL_LIST
1971 "
1972
1973 find_tests(){
1974     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1975 }
1976
1977 ACODEC_TESTS=$(find_tests acodec)
1978 VCODEC_TESTS=$(find_tests vsynth1)
1979 LAVF_FATE_TESTS=$(find_tests lavf-fate)
1980 LAVF_TESTS=$(find_tests lavf)
1981 LAVFI_TESTS=$(find_tests lavfi)
1982 SEEK_TESTS=$(find_tests seek seek_)
1983
1984 ALL_TESTS="$ACODEC_TESTS $VCODEC_TESTS $LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1985
1986 pcm_test_deps=$(map 'echo ${v%_*}_decoder $v' $(filter pcm_* $ENCODER_LIST))
1987
1988 for n in $COMPONENT_LIST; do
1989     v=$(toupper ${n%s})_LIST
1990     eval enable \$$v
1991     eval ${n}_if_any="\$$v"
1992 done
1993
1994 enable $ARCH_EXT_LIST $ALL_TESTS
1995
1996 die_unknown(){
1997     echo "Unknown option \"$1\"."
1998     echo "See $0 --help for available options."
1999     exit 1
2000 }
2001
2002 show_list() {
2003     suffix=_$1
2004     shift
2005     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2006     exit 0
2007 }
2008
2009 for opt do
2010     optval="${opt#*=}"
2011     case "$opt" in
2012     --extra-ldflags=*) add_ldflags $optval
2013     ;;
2014     --extra-libs=*) add_extralibs $optval
2015     ;;
2016     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2017     ;;
2018     --enable-debug=*) debuglevel="$optval"
2019     ;;
2020     --disable-everything)
2021     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2022     ;;
2023     --enable-*=*|--disable-*=*)
2024     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2025     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2026     eval list=\$$(toupper $thing)_LIST
2027     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2028     $action $(filter "$name" $list)
2029     ;;
2030     --enable-?*|--disable-?*)
2031     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2032     if is_in $option $COMPONENT_LIST; then
2033         test $action = disable && action=unset
2034         eval $action \$$(toupper ${option%s})_LIST
2035     elif is_in $option $CMDLINE_SELECT; then
2036         $action $option
2037     else
2038         die_unknown $opt
2039     fi
2040     ;;
2041     --list-*)
2042         NAME="${opt#--list-}"
2043         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2044         NAME=${NAME%s}
2045         eval show_list $NAME \$$(toupper $NAME)_LIST
2046     ;;
2047     --help|-h) show_help
2048     ;;
2049     *)
2050     optname="${opt%%=*}"
2051     optname="${optname#--}"
2052     optname=$(echo "$optname" | sed 's/-/_/g')
2053     if is_in $optname $CMDLINE_SET; then
2054         eval $optname='$optval'
2055     elif is_in $optname $CMDLINE_APPEND; then
2056         append $optname "$optval"
2057     else
2058          die_unknown $opt
2059     fi
2060     ;;
2061     esac
2062 done
2063
2064 disabled logging && logfile=/dev/null
2065
2066 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2067 set >> $logfile
2068
2069 test -n "$cross_prefix" && enable cross_compile
2070
2071 if enabled cross_compile; then
2072     test -n "$arch" && test -n "$target_os" ||
2073         die "Must specify target arch and OS when cross-compiling"
2074 fi
2075
2076 set_default arch target_os postproc_version
2077
2078 # Check if we should build alternative libpostproc version instead of current
2079 if   test "$postproc_version" = $ALT_PP_VER; then
2080   LIBPOSTPROC_VERSION=$ALT_PP_VER
2081   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2082   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2083   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2084 elif test "$postproc_version" != current; then
2085   die "Invalid argument to --postproc-version. See --help output."
2086 fi
2087
2088 ar_default="${cross_prefix}${ar_default}"
2089 cc_default="${cross_prefix}${cc_default}"
2090 cxx_default="${cross_prefix}${cxx_default}"
2091 nm_default="${cross_prefix}${nm_default}"
2092 pkg_config_default="${cross_prefix}${pkg_config_default}"
2093 ranlib="${cross_prefix}${ranlib}"
2094 strip_default="${cross_prefix}${strip_default}"
2095
2096 sysinclude_default="${sysroot}/usr/include"
2097
2098 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2099 enabled cross_compile || host_cc_default=$cc
2100 set_default host_cc
2101
2102 if ! $pkg_config --version >/dev/null 2>&1; then
2103     warn "$pkg_config not found, library detection may fail."
2104     pkg_config=false
2105 fi
2106
2107 exesuf() {
2108     case $1 in
2109         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2110     esac
2111 }
2112
2113 EXESUF=$(exesuf $target_os)
2114 HOSTEXESUF=$(exesuf $host_os)
2115
2116 # set temporary file name
2117 : ${TMPDIR:=$TEMPDIR}
2118 : ${TMPDIR:=$TMP}
2119 : ${TMPDIR:=/tmp}
2120
2121 if ! check_cmd mktemp -u XXXXXX; then
2122     # simple replacement for missing mktemp
2123     # NOT SAFE FOR GENERAL USE
2124     mktemp(){
2125         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2126     }
2127 fi
2128
2129 tmpfile(){
2130     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2131         (set -C; exec > $tmp) 2>/dev/null ||
2132         die "Unable to create temporary file in $TMPDIR."
2133     append TMPFILES $tmp
2134     eval $1=$tmp
2135 }
2136
2137 trap 'rm -f -- $TMPFILES' EXIT
2138
2139 tmpfile TMPASM .asm
2140 tmpfile TMPC   .c
2141 tmpfile TMPCPP .cpp
2142 tmpfile TMPE   $EXESUF
2143 tmpfile TMPH   .h
2144 tmpfile TMPO   .o
2145 tmpfile TMPS   .S
2146 tmpfile TMPSH  .sh
2147 tmpfile TMPV   .ver
2148
2149 unset -f mktemp
2150
2151 chmod +x $TMPE
2152
2153 # make sure we can execute files in $TMPDIR
2154 cat > $TMPSH 2>> $logfile <<EOF
2155 #! /bin/sh
2156 EOF
2157 chmod +x $TMPSH >> $logfile 2>&1
2158 if ! $TMPSH >> $logfile 2>&1; then
2159     cat <<EOF
2160 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2161 variable to another directory and make sure that it is not mounted noexec.
2162 EOF
2163     die "Sanity test failed."
2164 fi
2165
2166 filter_asflags=echo
2167 filter_cflags=echo
2168 filter_cppflags=echo
2169
2170 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2171     cc_type=llvm_gcc
2172     cc_version=__VERSION__
2173     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2174     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2175     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2176     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2177     speed_cflags='-O3'
2178     size_cflags='-Os'
2179 elif $cc -v 2>&1 | grep -qi ^gcc; then
2180     cc_type=gcc
2181     cc_version=__VERSION__
2182     gcc_version=$($cc --version | head -n1)
2183     gcc_basever=$($cc -dumpversion)
2184     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2185     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2186     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2187     if ! $cc -dumpversion | grep -q '^2\.'; then
2188         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2189         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2190     fi
2191     speed_cflags='-O3'
2192     size_cflags='-Os'
2193 elif $cc --version 2>/dev/null | grep -q Intel; then
2194     cc_type=icc
2195     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2196     cc_ident=$($cc --version | head -n1)
2197     icc_version=$($cc -dumpversion)
2198     CC_DEPFLAGS='-MMD'
2199     AS_DEPFLAGS='-MMD'
2200     speed_cflags='-O3'
2201     size_cflags='-Os'
2202     noopt_cflags='-O1'
2203 elif $cc -v 2>&1 | grep -q xlc; then
2204     cc_type=xlc
2205     cc_version="AV_STRINGIFY(__IBMC__)"
2206     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2207     speed_cflags='-O5'
2208     size_cflags='-O5 -qcompact'
2209 elif $cc -V 2>/dev/null | grep -q Compaq; then
2210     cc_type=ccc
2211     cc_version="AV_STRINGIFY(__DECC_VER)"
2212     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2213     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2214     debuglevel=3
2215     add_ldflags -Wl,-z,now # calls to libots crash without this
2216     speed_cflags='-fast'
2217     size_cflags='-O1'
2218 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2219     test -d "$sysroot" || die "No valid sysroot specified."
2220     cc_type=armcc
2221     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2222     cc_ident=$($cc --vsn | head -n1)
2223     armcc_conf="$PWD/armcc.conf"
2224     $cc --arm_linux_configure                 \
2225         --arm_linux_config_file="$armcc_conf" \
2226         --configure_sysroot="$sysroot"        \
2227         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2228         die "Error creating armcc configuration file."
2229     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2230     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2231     as_default="${cross_prefix}gcc"
2232     CC_DEPFLAGS='-MMD'
2233     AS_DEPFLAGS='-MMD'
2234     speed_cflags='-O3'
2235     size_cflags='-Os'
2236     filter_asflags="filter_out -W${armcc_opt}*"
2237 elif $cc -version 2>/dev/null | grep -q TMS470; then
2238     cc_type=tms470
2239     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2240     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2241     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2242     CC_O='-fr=$(@D)'
2243     as_default="${cross_prefix}gcc"
2244     ld_default="${cross_prefix}gcc"
2245     TMPO=$(basename $TMPC .c).o
2246     append TMPFILES $TMPO
2247     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2248     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2249     AS_DEPFLAGS='-MMD'
2250     speed_cflags='-O3 -mf=5'
2251     size_cflags='-O3 -mf=2'
2252     filter_cflags=tms470_flags
2253     tms470_flags(){
2254         for flag; do
2255             case $flag in
2256                 -march=*|-mcpu=*)
2257                     case "${flag#*=}" in
2258                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2259                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2260                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2261                         armv6*|arm11*)          echo -mv=6   ;;
2262                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2263                                                 echo -mv=5e  ;;
2264                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2265                     esac
2266                     ;;
2267                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2268                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2269                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2270                 -msoft-float)   echo --float_support=vfplib       ;;
2271                 -O[0-3]|-mf=*)  echo $flag                        ;;
2272                 -g)             echo -g -mn                       ;;
2273                 -pds=*)         echo $flag                        ;;
2274             esac
2275         done
2276     }
2277 elif $cc -v 2>&1 | grep -q clang; then
2278     cc_type=clang
2279     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2280         cc_version=__clang_version__ || cc_version=__VERSION__
2281     cc_ident=$($cc --version | head -n1)
2282     CC_DEPFLAGS='-MMD'
2283     AS_DEPFLAGS='-MMD'
2284     speed_cflags='-O3'
2285     size_cflags='-Os'
2286 elif $cc -V 2>&1 | grep -q Sun; then
2287     cc_type=suncc
2288     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2289     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2290     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2291     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2292     add_ldflags -xc99
2293     speed_cflags='-O5'
2294     size_cflags='-O5 -xspace'
2295     filter_cflags=suncc_flags
2296     suncc_flags(){
2297         for flag; do
2298             case $flag in
2299                 -march=*|-mcpu=*)
2300                     case "${flag#*=}" in
2301                         native)                   echo -xtarget=native       ;;
2302                         v9|niagara)               echo -xarch=sparc          ;;
2303                         ultrasparc)               echo -xarch=sparcvis       ;;
2304                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2305                         i586|pentium)             echo -xchip=pentium        ;;
2306                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2307                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2308                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2309                         pentium4*)          echo -xtarget=pentium4           ;;
2310                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2311                         *-sse3)             echo -xarch=sse3                 ;;
2312                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2313                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2314                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2315                         k8|opteron|athlon64|athlon-fx)
2316                                                   echo -xarch=sse2a          ;;
2317                         athlon*)                  echo -xarch=pentium_proa   ;;
2318                     esac
2319                     ;;
2320                 -std=c99)             echo -xc99              ;;
2321                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2322                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2323                 -W*,*)                echo $flag              ;;
2324                 -f*-*|-W*)                                    ;;
2325                 *)                    echo $flag              ;;
2326             esac
2327         done
2328     }
2329 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2330     cc_type=pathscale
2331     cc_version=__PATHSCALE__
2332     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2333     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2334     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2335     speed_cflags='-O2'
2336     size_cflags='-Os'
2337     filter_cflags='filter_out -Wdisabled-optimization'
2338 elif $cc -v 2>&1 | grep -q Open64; then
2339     cc_type=open64
2340     cc_version=__OPEN64__
2341     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2342     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2343     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2344     speed_cflags='-O2'
2345     size_cflags='-Os'
2346     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2347 fi
2348
2349 test -n "$cc_type" && enable $cc_type ||
2350     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2351
2352 : ${as_default:=$cc}
2353 : ${dep_cc_default:=$cc}
2354 : ${ld_default:=$cc}
2355 set_default ar as dep_cc ld
2356
2357 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2358 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2359 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2360
2361 add_cflags $extra_cflags
2362 add_cxxflags $extra_cxxflags
2363 add_asflags $extra_cflags
2364
2365 if test -n "$sysroot"; then
2366     case "$cc_type" in
2367         gcc|llvm_gcc|clang)
2368             add_cppflags --sysroot="$sysroot"
2369             add_ldflags --sysroot="$sysroot"
2370         ;;
2371         tms470)
2372             add_cppflags -I"$sysinclude"
2373             add_ldflags  --sysroot="$sysroot"
2374         ;;
2375     esac
2376 fi
2377
2378 if test "$cpu" = host; then
2379     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2380
2381     case "$cc_type" in
2382         gcc|llvm_gcc)
2383             check_native(){
2384                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2385                 sed -n "/cc1.*$1=/{
2386                             s/.*$1=\\([^ ]*\\).*/\\1/
2387                             p
2388                             q
2389                         }" $TMPE
2390             }
2391             cpu=$(check_native -march || check_native -mcpu)
2392         ;;
2393     esac
2394
2395     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2396 fi
2397
2398 # Deal with common $arch aliases
2399 case "$arch" in
2400     arm*|iPad*)
2401         arch="arm"
2402     ;;
2403     mips|mipsel|IP*)
2404         arch="mips"
2405     ;;
2406     mips64*)
2407         arch="mips"
2408         subarch="mips64"
2409     ;;
2410     parisc|hppa)
2411         arch="parisc"
2412     ;;
2413     parisc64|hppa64)
2414         arch="parisc"
2415         subarch="parisc64"
2416     ;;
2417     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2418         arch="ppc"
2419     ;;
2420     s390|s390x)
2421         arch="s390"
2422     ;;
2423     sh4|sh)
2424         arch="sh4"
2425     ;;
2426     sun4u|sparc64)
2427         arch="sparc"
2428         subarch="sparc64"
2429     ;;
2430     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2431         arch="x86"
2432     ;;
2433 esac
2434
2435 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2436 enable $arch
2437
2438 # Add processor-specific flags
2439 if test "$cpu" = generic; then
2440     : do nothing
2441 elif enabled ppc; then
2442
2443     case $(tolower $cpu) in
2444         601|ppc601|powerpc601)
2445             cpuflags="-mcpu=601"
2446             disable altivec
2447         ;;
2448         603*|ppc603*|powerpc603*)
2449             cpuflags="-mcpu=603"
2450             disable altivec
2451         ;;
2452         604*|ppc604*|powerpc604*)
2453             cpuflags="-mcpu=604"
2454             disable altivec
2455         ;;
2456         g3|75*|ppc75*|powerpc75*)
2457             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2458             disable altivec
2459         ;;
2460         g4|745*|ppc745*|powerpc745*)
2461             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2462         ;;
2463         74*|ppc74*|powerpc74*)
2464             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2465         ;;
2466         g5|970|ppc970|powerpc970|power4*)
2467             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2468         ;;
2469         cell)
2470             cpuflags="-mcpu=cell"
2471             enable ldbrx
2472         ;;
2473         e500v2)
2474             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2475             disable altivec
2476         ;;
2477         e500)
2478             cpuflags="-mcpu=8540 -mhard-float"
2479             disable altivec
2480         ;;
2481     esac
2482
2483 elif enabled x86; then
2484
2485     case $cpu in
2486         i[345]86|pentium)
2487             cpuflags="-march=$cpu"
2488             disable mmx
2489         ;;
2490         # targets that do NOT support conditional mov (cmov)
2491         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2492             cpuflags="-march=$cpu"
2493             disable cmov
2494         ;;
2495         # targets that do support conditional mov (cmov)
2496         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2497             cpuflags="-march=$cpu"
2498             enable cmov
2499             enable fast_cmov
2500         ;;
2501         # targets that do support conditional mov but on which it's slow
2502         pentium4|pentium4m|prescott|nocona)
2503             cpuflags="-march=$cpu"
2504             enable cmov
2505             disable fast_cmov
2506         ;;
2507     esac
2508
2509 elif enabled sparc; then
2510
2511     case $cpu in
2512         niagara)
2513             cpuflags="-mcpu=$cpu"
2514             disable vis
2515         ;;
2516         sparc64)
2517             cpuflags="-mcpu=v9"
2518         ;;
2519     esac
2520
2521 elif enabled arm; then
2522
2523     case $cpu in
2524         armv*)
2525             cpuflags="-march=$cpu"
2526             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2527         ;;
2528         *)
2529             cpuflags="-mcpu=$cpu"
2530             case $cpu in
2531                 cortex-a*)                               subarch=armv7a  ;;
2532                 cortex-r*)                               subarch=armv7r  ;;
2533                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2534                 arm11*)                                  subarch=armv6   ;;
2535                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2536                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2537             esac
2538         ;;
2539     esac
2540
2541 elif enabled alpha; then
2542
2543     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2544
2545 elif enabled bfin; then
2546
2547     cpuflags="-mcpu=$cpu"
2548
2549 elif enabled mips; then
2550
2551     cpuflags="-march=$cpu"
2552
2553 elif enabled avr32; then
2554
2555     case $cpu in
2556         ap7[02]0[0-2])
2557             subarch="avr32_ap"
2558             cpuflags="-mpart=$cpu"
2559         ;;
2560         ap)
2561             subarch="avr32_ap"
2562             cpuflags="-march=$cpu"
2563         ;;
2564         uc3[ab]*)
2565             subarch="avr32_uc"
2566             cpuflags="-mcpu=$cpu"
2567         ;;
2568         uc)
2569             subarch="avr32_uc"
2570             cpuflags="-march=$cpu"
2571         ;;
2572     esac
2573
2574 fi
2575
2576 add_cflags $cpuflags
2577 add_asflags $cpuflags
2578
2579 # compiler sanity check
2580 check_exec <<EOF
2581 int main(void){ return 0; }
2582 EOF
2583 if test "$?" != 0; then
2584     echo "$cc is unable to create an executable file."
2585     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2586         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2587         echo "Only do this if you know what cross compiling means."
2588     fi
2589     die "C compiler test failed."
2590 fi
2591
2592 add_cppflags -D_ISOC99_SOURCE
2593 add_cxxflags -D__STDC_CONSTANT_MACROS
2594 check_cflags -std=c99
2595 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2596 #include <stdlib.h>
2597 EOF
2598 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2599 #include <stdlib.h>
2600 EOF
2601
2602 check_host_cflags -std=c99
2603 check_host_cflags -Wall
2604
2605 case "$arch" in
2606     alpha|ia64|mips|parisc|sparc)
2607         spic=$shared
2608     ;;
2609     x86)
2610         subarch="x86_32"
2611         check_cc <<EOF && subarch="x86_64"
2612         int test[(int)sizeof(char*) - 7];
2613 EOF
2614         if test "$subarch" = "x86_64"; then
2615             spic=$shared
2616         fi
2617     ;;
2618     ppc)
2619         check_cc <<EOF && subarch="ppc64"
2620         int test[(int)sizeof(char*) - 7];
2621 EOF
2622     ;;
2623 esac
2624
2625 enable $subarch
2626 enabled spic && enable pic
2627
2628 # OS specific
2629 case $target_os in
2630     haiku)
2631         prefix_default="/boot/common"
2632         network_extralibs="-lnetwork"
2633         host_libs=
2634         ;;
2635     sunos)
2636         FFSERVERLDFLAGS=""
2637         SHFLAGS='-shared -Wl,-h,$$(@F)'
2638         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2639         network_extralibs="-lsocket -lnsl"
2640         add_cppflags -D__EXTENSIONS__
2641         # When using suncc to build, the Solaris linker will mark
2642         # an executable with each instruction set encountered by
2643         # the Solaris assembler.  As our libraries contain their own
2644         # guards for processor-specific code, instead suppress
2645         # generation of the HWCAPS ELF section on Solaris x86 only.
2646         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2647         nm_opts='-P -g'
2648         ;;
2649     netbsd)
2650         disable symver
2651         oss_indev_extralibs="-lossaudio"
2652         oss_outdev_extralibs="-lossaudio"
2653         ;;
2654     openbsd)
2655         enable malloc_aligned
2656         # On OpenBSD 4.5. the compiler does not use PIC unless
2657         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2658         # however the generated executable will not do anything
2659         # (simply quits with exit-code 1, no crash, no output).
2660         # Thus explicitly enable PIC here.
2661         enable pic
2662         disable symver
2663         SHFLAGS='-shared'
2664         oss_indev_extralibs="-lossaudio"
2665         oss_outdev_extralibs="-lossaudio"
2666         ;;
2667     dragonfly)
2668         enable malloc_aligned
2669         disable symver
2670         ;;
2671     freebsd)
2672         enable malloc_aligned
2673         ;;
2674     bsd/os)
2675         add_extralibs -lpoll -lgnugetopt
2676         strip="strip -d"
2677         ;;
2678     darwin)
2679         enable malloc_aligned
2680         gas="gas-preprocessor.pl $cc"
2681         enabled ppc && add_asflags -force_cpusubtype_ALL
2682         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2683         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2684         strip="${strip} -x"
2685         add_ldflags -Wl,-dynamic,-search_paths_first
2686         SLIBSUF=".dylib"
2687         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2688         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2689         FFSERVERLDFLAGS=-Wl,-bind_at_load
2690         objformat="macho"
2691         enabled x86_64 && objformat="macho64"
2692         enabled_any pic shared ||
2693             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2694         ;;
2695     mingw32*)
2696         if test $target_os = "mingw32ce"; then
2697             disable network
2698         else
2699             target_os=mingw32
2700         fi
2701         LIBTARGET=i386
2702         if enabled x86_64; then
2703             enable malloc_aligned
2704             LIBTARGET=x64
2705         elif enabled arm; then
2706             LIBTARGET=arm-wince
2707         fi
2708         shlibdir_default="$bindir_default"
2709         SLIBPREF=""
2710         SLIBSUF=".dll"
2711         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2712         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2713         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2714         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2715         SLIB_INSTALL_LINKS=
2716         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2717         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2718         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'
2719         objformat="win32"
2720         enable dos_paths
2721         check_cflags -fno-common
2722         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2723                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2724                 die "ERROR: MinGW runtime version must be >= 3.15."
2725         add_cppflags -U__STRICT_ANSI__
2726         ;;
2727     cygwin*)
2728         target_os=cygwin
2729         shlibdir_default="$bindir_default"
2730         SLIBPREF="cyg"
2731         SLIBSUF=".dll"
2732         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2733         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2734         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2735         objformat="win32"
2736         enable dos_paths
2737         check_cflags -fno-common
2738         add_cppflags -U__STRICT_ANSI__
2739         ;;
2740     *-dos|freedos|opendos)
2741         network_extralibs="-lsocket"
2742         objformat="coff"
2743         enable dos_paths
2744         add_cppflags -U__STRICT_ANSI__
2745         ;;
2746     linux)
2747         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2748         enable dv1394
2749         ;;
2750     irix*)
2751         target_os=irix
2752         ranlib="echo ignoring ranlib"
2753         ;;
2754     os/2*)
2755         strip="lxlite -CS"
2756         ln_s="cp -f"
2757         objformat="aout"
2758         add_cppflags -D_GNU_SOURCE
2759         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2760         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2761         FFSERVERLDFLAGS=""
2762         LIBSUF="_s.a"
2763         SLIBPREF=""
2764         SLIBSUF=".dll"
2765         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2766         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2767         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2768           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2769           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2770           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2771           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2772           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2773         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2774           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2775         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2776         enable dos_paths
2777         enable_weak os2threads
2778         ;;
2779     gnu/kfreebsd)
2780         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2781         ;;
2782     gnu)
2783         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2784         ;;
2785     qnx)
2786         add_cppflags -D_QNX_SOURCE
2787         network_extralibs="-lsocket"
2788         ;;
2789     symbian)
2790         SLIBSUF=".dll"
2791         enable dos_paths
2792         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2793         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2794         add_ldflags -Wl,--target1-abs,--no-undefined \
2795                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2796                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2797         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2798                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2799                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2800         ;;
2801     none)
2802         ;;
2803     *)
2804         die "Unknown OS '$target_os'."
2805         ;;
2806 esac
2807
2808 esc(){
2809     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2810 }
2811
2812 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
2813
2814 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2815
2816 set_default $PATHS_LIST
2817
2818 # we need to build at least one lib type
2819 if ! enabled_any static shared; then
2820     cat <<EOF
2821 At least one library type must be built.
2822 Specify --enable-static to build the static libraries or --enable-shared to
2823 build the shared libraries as well. To only build the shared libraries specify
2824 --disable-static in addition to --enable-shared.
2825 EOF
2826     exit 1;
2827 fi
2828
2829 die_license_disabled() {
2830     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2831 }
2832
2833 die_license_disabled gpl libcdio
2834 die_license_disabled gpl libutvideo
2835 die_license_disabled gpl libx264
2836 die_license_disabled gpl libxavs
2837 die_license_disabled gpl libxvid
2838 die_license_disabled gpl x11grab
2839
2840 die_license_disabled nonfree libaacplus
2841 die_license_disabled nonfree libfaac
2842 die_license_disabled nonfree openssl
2843
2844 die_license_disabled version3 libopencore_amrnb
2845 die_license_disabled version3 libopencore_amrwb
2846 die_license_disabled version3 libvo_aacenc
2847 die_license_disabled version3 libvo_amrwbenc
2848
2849 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2850
2851 disabled optimizations || check_cflags -fomit-frame-pointer
2852
2853 enable_pic() {
2854     enable pic
2855     add_cppflags -DPIC
2856     add_cflags   -fPIC
2857     add_asflags  -fPIC
2858 }
2859
2860 enabled pic && enable_pic
2861
2862 check_cc <<EOF || die "Symbol mangling check failed."
2863 int ff_extern;
2864 EOF
2865 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2866 extern_prefix=${sym%%ff_extern*}
2867
2868 check_cc <<EOF && enable inline_asm
2869 void foo(void) { __asm__ volatile ("" ::); }
2870 EOF
2871
2872 _restrict=
2873 for restrict_keyword in restrict __restrict__ __restrict; do
2874     check_cc <<EOF && _restrict=$restrict_keyword && break
2875 void foo(char * $restrict_keyword p);
2876 EOF
2877 done
2878
2879 check_cc <<EOF && enable attribute_packed
2880 struct { int x; } __attribute__((packed)) x;
2881 EOF
2882
2883 check_cc <<EOF && enable attribute_may_alias
2884 union { int x; } __attribute__((may_alias)) x;
2885 EOF
2886
2887 check_cc <<EOF || die "endian test failed"
2888 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2889 EOF
2890 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2891
2892 if enabled alpha; then
2893
2894     check_cflags -mieee
2895
2896 elif enabled arm; then
2897
2898     enabled thumb && check_cflags -mthumb || check_cflags -marm
2899     nogas=die
2900
2901     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2902         enable vfp_args
2903     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2904         case "${cross_prefix:-$cc}" in
2905             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2906             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2907 __asm__ (".eabi_attribute 28, 1");
2908 int main(void) { return 0; }
2909 EOF
2910         esac
2911         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2912     fi
2913
2914     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2915     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2916     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2917     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2918     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2919     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2920
2921     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2922
2923     enabled_all armv6t2 shared !pic && enable_pic
2924
2925 elif enabled mips; then
2926
2927     check_asm loongson '"dmult.g $1, $2, $3"'
2928     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2929
2930 elif enabled ppc; then
2931
2932     enable local_aligned_8 local_aligned_16
2933
2934     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2935     check_asm ibm_asm   '"add 0, 0, 0"'
2936     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2937     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2938
2939     # AltiVec flags: The FSF version of GCC differs from the Apple version
2940     if enabled altivec; then
2941         nogas=warn
2942         check_cflags -maltivec -mabi=altivec &&
2943         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2944         check_cflags -faltivec
2945
2946         # check if our compiler supports Motorola AltiVec C API
2947         check_cc <<EOF || disable altivec
2948 $inc_altivec_h
2949 int main(void) {
2950     vector signed int v1, v2, v3;
2951     v1 = vec_add(v2,v3);
2952     return 0;
2953 }
2954 EOF
2955
2956         # check if our compiler supports braces for vector declarations
2957         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2958 $inc_altivec_h
2959 int main (void) { (vector int) {1}; return 0; }
2960 EOF
2961     fi
2962
2963 elif enabled sparc; then
2964
2965     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2966         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2967
2968 elif enabled x86; then
2969
2970     enable local_aligned_8 local_aligned_16
2971
2972     # check whether EBP is available on x86
2973     # As 'i' is stored on the stack, this program will crash
2974     # if the base pointer is used to access it because the
2975     # base pointer is cleared in the inline assembly code.
2976     check_exec_crash <<EOF && enable ebp_available
2977     volatile int i=0;
2978     __asm__ volatile (
2979         "xorl %%ebp, %%ebp"
2980     ::: "%ebp");
2981     return i;
2982 EOF
2983
2984     # check whether EBX is available on x86
2985     check_asm ebx_available '""::"b"(0)' &&
2986         check_asm ebx_available '"":::"%ebx"'
2987
2988     # check whether xmm clobbers are supported
2989     check_asm xmm_clobbers '"":::"%xmm0"'
2990
2991     # check whether binutils is new enough to compile SSSE3/MMX2
2992     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2993     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2994
2995     if ! disabled_any asm mmx yasm; then
2996         if check_cmd $yasmexe --version; then
2997             enabled x86_64 && yasm_extra="-m amd64"
2998             yasm_debug="-g dwarf2"
2999         elif check_cmd nasm -v; then
3000             yasmexe=nasm
3001             yasm_debug="-g -F dwarf"
3002             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3003         fi
3004
3005         YASMFLAGS="-f $objformat $yasm_extra"
3006         enabled pic               && append YASMFLAGS "-DPIC"
3007         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3008         case "$objformat" in
3009             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3010         esac
3011
3012         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3013             die "yasm not found, use --disable-yasm for a crippled build"
3014         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3015     fi
3016
3017     case "$cpu" in
3018         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3019             disable fast_clz
3020         ;;
3021     esac
3022
3023 fi
3024
3025 if enabled asm; then
3026     as=${gas:=$as}
3027     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3028         $nogas "GNU assembler not found, install gas-preprocessor"
3029 fi
3030
3031 check_ldflags -Wl,--as-needed
3032
3033 if check_func dlopen; then
3034     ldl=
3035 elif check_func dlopen -ldl; then
3036     ldl=-ldl
3037 fi
3038
3039 if enabled network; then
3040     check_type "sys/types.h sys/socket.h" socklen_t
3041     check_type netdb.h "struct addrinfo"
3042     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3043     check_type netinet/in.h "struct sockaddr_in6"
3044     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3045     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3046     # Prefer arpa/inet.h over winsock2
3047     if check_header arpa/inet.h ; then
3048         check_func closesocket
3049     elif check_header winsock2.h ; then
3050         check_func_headers winsock2.h closesocket -lws2 && \
3051             network_extralibs="-lws2" || \
3052         { check_func_headers winsock2.h closesocket -lws2_32 && \
3053             network_extralibs="-lws2_32"; }
3054         check_type ws2tcpip.h socklen_t
3055         check_type ws2tcpip.h "struct addrinfo"
3056         check_type ws2tcpip.h "struct ipv6_mreq"
3057         check_type ws2tcpip.h "struct sockaddr_in6"
3058         check_type ws2tcpip.h "struct sockaddr_storage"
3059         check_struct winsock2.h "struct sockaddr" sa_len
3060     else
3061         disable network
3062     fi
3063 fi
3064
3065 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3066 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3067
3068 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3069 check_func  fcntl
3070 check_func  fork
3071 check_func  getaddrinfo $network_extralibs
3072 check_func  gethrtime
3073 check_func  getrusage
3074 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3075 check_func  inet_aton $network_extralibs
3076 check_func  isatty
3077 check_func  localtime_r
3078 check_func  ${malloc_prefix}memalign            && enable memalign
3079 check_func  mkstemp
3080 check_func  mmap
3081 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3082 check_func  setrlimit
3083 check_func  strerror_r
3084 check_func  strptime
3085 check_func  sched_getaffinity
3086 check_func  sysconf
3087 check_func  sysctl
3088 check_func_headers conio.h kbhit
3089 check_func_headers windows.h PeekNamedPipe
3090 check_func_headers io.h setmode
3091 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3092 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3093 check_func_headers windows.h GetProcessAffinityMask
3094 check_func_headers windows.h GetProcessTimes
3095 check_func_headers windows.h MapViewOfFile
3096 check_func_headers windows.h VirtualAlloc
3097 check_func_headers glob.h glob
3098
3099 check_header dlfcn.h
3100 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3101 check_header libcrystalhd/libcrystalhd_if.h
3102 check_header malloc.h
3103 check_header poll.h
3104 check_header sys/mman.h
3105 check_header sys/param.h
3106 check_header sys/resource.h
3107 check_header sys/select.h
3108 check_header termios.h
3109 check_header vdpau/vdpau.h
3110 check_header vdpau/vdpau_x11.h
3111 check_header X11/extensions/XvMClib.h
3112 check_header asm/types.h
3113
3114 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3115 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3116
3117 # check for VDA header
3118 if ! disabled vda; then
3119     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3120         enable vda
3121         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3122     fi
3123 fi
3124
3125 if ! disabled w32threads && ! enabled pthreads; then
3126     check_func _beginthreadex && enable w32threads
3127 fi
3128
3129 # check for some common methods of building with pthread support
3130 # do this before the optional library checks as some of them require pthreads
3131 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3132     enable pthreads
3133     if check_func pthread_create; then
3134         :
3135     elif check_func pthread_create -pthread; then
3136         add_cflags -pthread
3137         add_extralibs -pthread
3138     elif check_func pthread_create -pthreads; then
3139         add_cflags -pthreads
3140         add_extralibs -pthreads
3141     elif check_func pthread_create -lpthreadGC2; then
3142         add_extralibs -lpthreadGC2
3143     elif ! check_lib pthread.h pthread_create -lpthread; then
3144         disable pthreads
3145     fi
3146 fi
3147
3148 for thread in $THREADS_LIST; do
3149     if enabled $thread; then
3150         test -n "$thread_type" &&
3151             die "ERROR: Only one thread type must be selected." ||
3152             thread_type="$thread"
3153     fi
3154 done
3155
3156 check_lib math.h sin -lm && LIBM="-lm"
3157 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3158 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3159
3160 check_mathfunc cbrtf
3161 check_mathfunc exp2
3162 check_mathfunc exp2f
3163 check_mathfunc llrint
3164 check_mathfunc llrintf
3165 check_mathfunc log2
3166 check_mathfunc log2f
3167 check_mathfunc lrint
3168 check_mathfunc lrintf
3169 check_mathfunc round
3170 check_mathfunc roundf
3171 check_mathfunc trunc
3172 check_mathfunc truncf
3173
3174 # these are off by default, so fail if requested and not available
3175 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3176 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3177 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3178 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3179 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3180 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3181 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3182 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3183                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3184                         die "ERROR: libcelt version must be >= 0.11.0."; }
3185 enabled libdirac   && require_pkg_config dirac                          \
3186     "libdirac_decoder/dirac_parser.h"  \
3187     "dirac_decoder_init"
3188 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3189 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3190 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3191 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3192 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3193 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3194 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3195 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3196 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3197 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3198 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3199 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3200 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3201 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3202 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3203     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3204     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder
3205 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3206 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3207 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3208 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3209 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3210 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3211 enabled libvpx     && {
3212     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3213                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3214     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3215                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3216 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3217                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3218                         die "ERROR: libx264 version must be >= 0.118."; }
3219 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3220 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3221 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3222                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3223                         die "ERROR: openal not found"; } &&
3224                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3225                         die "ERROR: openal version must be 1.1 or compatible"; }
3226 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3227                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3228                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3229                         die "ERROR: openssl not found"; }
3230
3231 # libdc1394 check
3232 if enabled libdc1394; then
3233     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3234         enable libdc1394_2; } ||
3235     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3236         enable libdc1394_1; } ||
3237     die "ERROR: No version of libdc1394 found "
3238 fi
3239
3240 SDL_CONFIG="${cross_prefix}sdl-config"
3241 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3242     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3243     enable sdl &&
3244     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3245 else
3246   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3247     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3248     sdl_libs=$("${SDL_CONFIG}" --libs)
3249     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3250     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3251     enable sdl &&
3252     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3253   fi
3254 fi
3255 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3256
3257 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3258 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3259
3260 check_header linux/fb.h
3261 check_header linux/videodev.h
3262 check_header linux/videodev2.h
3263 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3264
3265 check_header sys/videoio.h
3266
3267 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3268 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3269 # w32api 3.12 had it defined wrong
3270 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3271
3272 check_type "dshow.h" IBaseFilter
3273
3274 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3275 { check_header dev/bktr/ioctl_meteor.h &&
3276   check_header dev/bktr/ioctl_bt848.h; } ||
3277 { check_header machine/ioctl_meteor.h &&
3278   check_header machine/ioctl_bt848.h; } ||
3279 { check_header dev/video/meteor/ioctl_meteor.h &&
3280   check_header dev/video/bktr/ioctl_bt848.h; } ||
3281 check_header dev/ic/bt8xx.h
3282
3283 check_header sndio.h
3284 if check_struct sys/soundcard.h audio_buf_info bytes; then
3285     enable_safe sys/soundcard.h
3286 else
3287     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3288     #include <sys/soundcard.h>
3289     audio_buf_info abc;
3290 EOF
3291 fi
3292 check_header soundcard.h
3293
3294 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3295
3296 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3297
3298 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3299
3300 enabled libcdio &&
3301     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3302
3303 enabled x11grab                                           &&
3304 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3305 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3306 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3307
3308 if ! disabled vaapi; then
3309     check_lib va/va.h vaInitialize -lva && {
3310         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3311         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3312     } || disable vaapi
3313 fi
3314
3315 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3316 check_cpp_condition \
3317     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3318     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3319       disable vdpau; }
3320 fi
3321
3322 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3323 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3324 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"
3325
3326 # add some useful compiler flags if supported
3327 check_cflags -Wdeclaration-after-statement
3328 check_cflags -Wall
3329 check_cflags -Wno-parentheses
3330 check_cflags -Wno-switch
3331 check_cflags -Wno-format-zero-length
3332 check_cflags -Wdisabled-optimization
3333 check_cflags -Wpointer-arith
3334 check_cflags -Wredundant-decls
3335 check_cflags -Wno-pointer-sign
3336 check_cflags -Wcast-qual
3337 check_cflags -Wwrite-strings
3338 check_cflags -Wtype-limits
3339 check_cflags -Wundef
3340 check_cflags -Wmissing-prototypes
3341 check_cflags -Wno-pointer-to-int-cast
3342 check_cflags -Wstrict-prototypes
3343 enabled extra_warnings && check_cflags -Winline
3344
3345 # add some linker flags
3346 check_ldflags -Wl,--warn-common
3347 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil
3348 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3349
3350 enabled xmm_clobber_test &&                             \
3351     check_ldflags -Wl,--wrap,avcodec_open2              \
3352                   -Wl,--wrap,avcodec_decode_audio4      \
3353                   -Wl,--wrap,avcodec_decode_video2      \
3354                   -Wl,--wrap,avcodec_decode_subtitle2   \
3355                   -Wl,--wrap,avcodec_encode_audio2      \
3356                   -Wl,--wrap,avcodec_encode_video       \
3357                   -Wl,--wrap,avcodec_encode_subtitle    \
3358                   -Wl,--wrap,sws_scale ||               \
3359     disable xmm_clobber_test
3360
3361 echo "X{};" > $TMPV
3362 if test_ldflags -Wl,--version-script,$TMPV; then
3363     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3364     check_cc <<EOF && enable symver_asm_label
3365 void ff_foo(void) __asm__ ("av_foo@VERSION");
3366 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3367 EOF
3368     check_cc <<EOF && enable symver_gnu_asm
3369 __asm__(".symver ff_foo,av_foo@VERSION");
3370 void ff_foo(void) {}
3371 EOF
3372 fi
3373
3374 if [ -n "$optflags" ]; then
3375     add_cflags $optflags
3376 elif enabled small; then
3377     add_cflags $size_cflags
3378 elif enabled optimizations; then
3379     add_cflags $speed_cflags
3380 else
3381     add_cflags $noopt_cflags
3382 fi
3383 check_cflags -fno-math-errno
3384 check_cflags -fno-signed-zeros
3385 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3386 int x;
3387 EOF
3388
3389
3390 if enabled icc; then
3391     # Just warnings, no remarks
3392     check_cflags -w1
3393     # -wd: Disable following warnings
3394     # 144, 167, 556: -Wno-pointer-sign
3395     # 1292: attribute "foo" ignored
3396     # 10006: ignoring unknown option -fno-signed-zeros
3397     # 10148: ignoring unknown option -Wno-parentheses
3398     # 10156: ignoring option '-W'; no argument required
3399     check_cflags -wd144,167,556,1292,10006,10148,10156
3400     # 11030: Warning unknown option --as-needed
3401     # 10156: ignoring option '-export'; no argument required
3402     check_ldflags -wd10156,11030
3403     # Allow to compile with optimizations
3404     check_ldflags -march=$cpu
3405     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3406     enable ebp_available
3407     if enabled x86_32; then
3408         test ${icc_version%%.*} -ge 11 && \
3409             check_cflags -falign-stack=maintain-16-byte || \
3410             disable aligned_stack
3411     fi
3412 elif enabled ccc; then
3413     # disable some annoying warnings
3414     add_cflags -msg_disable cvtu32to64
3415     add_cflags -msg_disable embedcomment
3416     add_cflags -msg_disable needconstext
3417     add_cflags -msg_disable nomainieee
3418     add_cflags -msg_disable ptrmismatch1
3419     add_cflags -msg_disable unreachcode
3420 elif enabled gcc; then
3421     check_cflags -fno-tree-vectorize
3422     check_cflags -Werror=implicit-function-declaration
3423     check_cflags -Werror=missing-prototypes
3424 elif enabled llvm_gcc; then
3425     check_cflags -mllvm -stack-alignment=16
3426 elif enabled clang; then
3427     check_cflags -mllvm -stack-alignment=16
3428     check_cflags -Qunused-arguments
3429 elif enabled armcc; then
3430     # 2523: use of inline assembler is deprecated
3431     add_cflags -W${armcc_opt},--diag_suppress=2523
3432     add_cflags -W${armcc_opt},--diag_suppress=1207
3433     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3434     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3435     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3436     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3437 elif enabled tms470; then
3438     add_cflags -pds=824 -pds=837
3439 elif enabled pathscale; then
3440     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3441 fi
3442
3443 enabled_any $THREADS_LIST      && enable threads
3444
3445 check_deps $CONFIG_LIST       \
3446            $CONFIG_EXTRA      \
3447            $HAVE_LIST         \
3448            $ALL_COMPONENTS    \
3449            $ALL_TESTS         \
3450
3451 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3452
3453 if test $target_os = "haiku"; then
3454     disable memalign
3455     disable posix_memalign
3456 fi
3457
3458 ! enabled_any memalign posix_memalign malloc_aligned &&
3459     enabled_any $need_memalign && enable memalign_hack
3460
3461 # add_dep lib dep
3462 # -> enable ${lib}_deps_${dep}
3463 # -> add $dep to ${lib}_deps only once
3464 add_dep() {
3465     lib=$1
3466     dep=$2
3467     enabled "${lib}_deps_${dep}" && return 0
3468     enable  "${lib}_deps_${dep}"
3469     prepend "${lib}_deps" $dep
3470 }
3471
3472 # merge deps lib components
3473 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3474 merge_deps() {
3475     lib=$1
3476     shift
3477     for comp in $*; do
3478         enabled $comp || continue
3479         eval "dep=\"\$${comp}_deps\""
3480         for d in $dep; do
3481             add_dep $lib $d
3482         done
3483     done
3484 }
3485
3486 merge_deps libavfilter $FILTER_LIST
3487
3488 echo "install prefix            $prefix"
3489 echo "source path               $source_path"
3490 echo "C compiler                $cc"
3491 echo "ARCH                      $arch ($cpu)"
3492 if test "$build_suffix" != ""; then
3493     echo "build suffix              $build_suffix"
3494 fi
3495 if test "$progs_suffix" != ""; then
3496     echo "progs suffix              $progs_suffix"
3497 fi
3498 if test "$extra_version" != ""; then
3499     echo "version string suffix     $extra_version"
3500 fi
3501 echo "big-endian                ${bigendian-no}"
3502 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3503 if enabled x86; then
3504     echo "${yasmexe}                      ${yasm-no}"
3505     echo "MMX enabled               ${mmx-no}"
3506     echo "MMX2 enabled              ${mmx2-no}"
3507     echo "3DNow! enabled            ${amd3dnow-no}"
3508     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3509     echo "SSE enabled               ${sse-no}"
3510     echo "SSSE3 enabled             ${ssse3-no}"
3511     echo "AVX enabled               ${avx-no}"
3512     echo "CMOV enabled              ${cmov-no}"
3513     echo "CMOV is fast              ${fast_cmov-no}"
3514     echo "EBX available             ${ebx_available-no}"
3515     echo "EBP available             ${ebp_available-no}"
3516 fi
3517 if enabled arm; then
3518     echo "ARMv5TE enabled           ${armv5te-no}"
3519     echo "ARMv6 enabled             ${armv6-no}"
3520     echo "ARMv6T2 enabled           ${armv6t2-no}"
3521     echo "ARM VFP enabled           ${armvfp-no}"
3522     echo "NEON enabled              ${neon-no}"
3523 fi
3524 if enabled mips; then
3525     echo "MMI enabled               ${mmi-no}"
3526 fi
3527 if enabled ppc; then
3528     echo "AltiVec enabled           ${altivec-no}"
3529     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3530     echo "dcbzl available           ${dcbzl-no}"
3531 fi
3532 if enabled sparc; then
3533     echo "VIS enabled               ${vis-no}"
3534 fi
3535 echo "debug symbols             ${debug-no}"
3536 echo "strip symbols             ${stripping-no}"
3537 echo "optimize for size         ${small-no}"
3538 echo "optimizations             ${optimizations-no}"
3539 echo "static                    ${static-no}"
3540 echo "shared                    ${shared-no}"
3541 echo "postprocessing support    ${postproc-no}"
3542 echo "new filter support        ${avfilter-no}"
3543 echo "network support           ${network-no}"
3544 echo "threading support         ${thread_type-no}"
3545 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3546 echo "SDL support               ${sdl-no}"
3547 echo "libdxva2 enabled          ${dxva2-no}"
3548 echo "libva enabled             ${vaapi-no}"
3549 echo "libvdpau enabled          ${vdpau-no}"
3550 echo "AVISynth enabled          ${avisynth-no}"
3551 echo "frei0r enabled            ${frei0r-no}"
3552 echo "gnutls enabled            ${gnutls-no}"
3553 echo "libaacplus enabled        ${libaacplus-no}"
3554 echo "libass enabled            ${libass-no}"
3555 echo "libcdio support           ${libcdio-no}"
3556 echo "libcelt enabled           ${libcelt-no}"
3557 echo "libdc1394 support         ${libdc1394-no}"
3558 echo "libdirac enabled          ${libdirac-no}"
3559 echo "libfaac enabled           ${libfaac-no}"
3560 echo "libgsm enabled            ${libgsm-no}"
3561 echo "libmodplug enabled        ${libmodplug-no}"
3562 echo "libmp3lame enabled        ${libmp3lame-no}"
3563 echo "libnut enabled            ${libnut-no}"
3564 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3565 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3566 echo "libopencv support         ${libopencv-no}"
3567 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3568 echo "libpulse enabled          ${libpulse-no}"
3569 echo "librtmp enabled           ${librtmp-no}"
3570 echo "libschroedinger enabled   ${libschroedinger-no}"
3571 echo "libspeex enabled          ${libspeex-no}"
3572 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3573 echo "libtheora enabled         ${libtheora-no}"
3574 echo "libutvideo enabled        ${libutvideo-no}"
3575 echo "libv4l2 enabled           ${libv4l2-no}"
3576 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3577 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3578 echo "libvorbis enabled         ${libvorbis-no}"
3579 echo "libvpx enabled            ${libvpx-no}"
3580 echo "libx264 enabled           ${libx264-no}"
3581 echo "libxavs enabled           ${libxavs-no}"
3582 echo "libxvid enabled           ${libxvid-no}"
3583 echo "openal enabled            ${openal-no}"
3584 echo "openssl enabled           ${openssl-no}"
3585 echo "zlib enabled              ${zlib-no}"
3586 echo "bzlib enabled             ${bzlib-no}"
3587 echo
3588
3589 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3590     echo "Enabled ${type}s:"
3591     eval list=\$$(toupper $type)_LIST
3592     print_enabled '_*' $list | sort | pr -r -3 -t
3593     echo
3594 done
3595
3596 license="LGPL version 2.1 or later"
3597 if enabled nonfree; then
3598     license="nonfree and unredistributable"
3599 elif enabled gplv3; then
3600     license="GPL version 3 or later"
3601 elif enabled lgplv3; then
3602     license="LGPL version 3 or later"
3603 elif enabled gpl; then
3604     license="GPL version 2 or later"
3605 fi
3606
3607 echo "License: $license"
3608
3609 echo "Creating config.mak and config.h..."
3610
3611 test -e Makefile || $ln_s "$source_path/Makefile" .
3612
3613 enabled stripping || strip="echo skipping strip"
3614
3615 config_files="$TMPH config.mak"
3616
3617 cat > config.mak <<EOF
3618 # Automatically generated by configure - do not modify!
3619 ifndef FFMPEG_CONFIG_MAK
3620 FFMPEG_CONFIG_MAK=1
3621 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3622 prefix=$prefix
3623 LIBDIR=\$(DESTDIR)$libdir
3624 SHLIBDIR=\$(DESTDIR)$shlibdir
3625 INCDIR=\$(DESTDIR)$incdir
3626 BINDIR=\$(DESTDIR)$bindir
3627 DATADIR=\$(DESTDIR)$datadir
3628 MANDIR=\$(DESTDIR)$mandir
3629 SRC_PATH=$source_path
3630 ifndef MAIN_MAKEFILE
3631 SRC_PATH:=\$(SRC_PATH:.%=..%)
3632 endif
3633 CC_IDENT=$cc_ident
3634 ARCH=$arch
3635 CC=$cc
3636 CXX=$cxx
3637 AS=$as
3638 LD=$ld
3639 DEPCC=$dep_cc
3640 YASM=$yasmexe
3641 YASMDEP=$yasmexe
3642 AR=$ar
3643 RANLIB=$ranlib
3644 CP=cp -p
3645 LN_S=$ln_s
3646 STRIP=$strip
3647 CPPFLAGS=$CPPFLAGS
3648 CFLAGS=$CFLAGS
3649 CXXFLAGS=$CXXFLAGS
3650 ASFLAGS=$ASFLAGS
3651 AS_O=$CC_O
3652 CC_O=$CC_O
3653 CXX_O=$CXX_O
3654 LDFLAGS=$LDFLAGS
3655 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3656 SHFLAGS=$SHFLAGS
3657 YASMFLAGS=$YASMFLAGS
3658 BUILDSUF=$build_suffix
3659 PROGSSUF=$progs_suffix
3660 FULLNAME=$FULLNAME
3661 LIBPREF=$LIBPREF
3662 LIBSUF=$LIBSUF
3663 LIBNAME=$LIBNAME
3664 SLIBPREF=$SLIBPREF
3665 SLIBSUF=$SLIBSUF
3666 EXESUF=$EXESUF
3667 EXTRA_VERSION=$extra_version
3668 DEPFLAGS=$DEPFLAGS
3669 CCDEP=$CCDEP
3670 CXXDEP=$CXXDEP
3671 ASDEP=$ASDEP
3672 CC_DEPFLAGS=$CC_DEPFLAGS
3673 AS_DEPFLAGS=$AS_DEPFLAGS
3674 HOSTCC=$host_cc
3675 HOSTCFLAGS=$host_cflags
3676 HOSTEXESUF=$HOSTEXESUF
3677 HOSTLDFLAGS=$host_ldflags
3678 HOSTLIBS=$host_libs
3679 TARGET_EXEC=$target_exec
3680 TARGET_PATH=$target_path
3681 SDL_LIBS=$sdl_libs
3682 SDL_CFLAGS=$sdl_cflags
3683 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3684 EXTRALIBS=$extralibs
3685 INSTALL=$install
3686 LIBTARGET=${LIBTARGET}
3687 SLIBNAME=${SLIBNAME}
3688 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3689 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3690 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3691 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3692 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3693 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3694 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3695 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3696 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3697 NOREDZONE_FLAGS=$noredzone_flags
3698 EOF
3699
3700 get_version(){
3701     name=$1
3702     file=$source_path/$2
3703 # This condition will be removed when we stop supporting old libpostproc versions
3704 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3705     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3706     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3707 fi
3708     lcname=$(tolower $name)
3709     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3710     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3711 }
3712
3713 get_version LIBAVCODEC  libavcodec/version.h
3714 get_version LIBAVDEVICE libavdevice/avdevice.h
3715 get_version LIBAVFILTER libavfilter/version.h
3716 get_version LIBAVFORMAT libavformat/version.h
3717 get_version LIBAVUTIL   libavutil/avutil.h
3718 get_version LIBPOSTPROC libpostproc/postprocess.h
3719 get_version LIBSWRESAMPLE libswresample/swresample.h
3720 get_version LIBSWSCALE  libswscale/swscale.h
3721
3722 cat > $TMPH <<EOF
3723 /* Automatically generated by configure - do not modify! */
3724 #ifndef FFMPEG_CONFIG_H
3725 #define FFMPEG_CONFIG_H
3726 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3727 #define FFMPEG_LICENSE "$(c_escape $license)"
3728 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3729 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3730 #define CC_TYPE "$cc_type"
3731 #define CC_VERSION $cc_version
3732 #define restrict $_restrict
3733 #define EXTERN_PREFIX "${extern_prefix}"
3734 #define EXTERN_ASM ${extern_prefix}
3735 #define SLIBSUF "$SLIBSUF"
3736 EOF
3737
3738 test -n "$assert_level" &&
3739     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
3740
3741 test -n "$malloc_prefix" &&
3742     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3743
3744 if enabled small || disabled optimizations; then
3745     echo "#undef  av_always_inline"  >> $TMPH
3746     if enabled small; then
3747         echo "#define av_always_inline inline"  >> $TMPH
3748     else
3749         echo "#define av_always_inline av_unused"  >> $TMPH
3750     fi
3751 fi
3752
3753 if enabled yasm; then
3754     append config_files $TMPASM
3755     printf '' >$TMPASM
3756 fi
3757
3758 print_config ARCH_   "$config_files" $ARCH_LIST
3759 print_config HAVE_   "$config_files" $HAVE_LIST
3760 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3761                                      $CONFIG_EXTRA      \
3762                                      $ALL_COMPONENTS    \
3763
3764 cat >>config.mak <<EOF
3765 ACODEC_TESTS=$(print_enabled -n _test $ACODEC_TESTS)
3766 VCODEC_TESTS=$(print_enabled -n _test $VCODEC_TESTS)
3767 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3768 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3769 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3770 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3771 EOF
3772
3773 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3774 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3775
3776 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3777 cp_if_changed $TMPH config.h
3778 touch .config
3779
3780 enabled yasm && cp_if_changed $TMPASM config.asm
3781
3782 cat > $TMPH <<EOF
3783 /* Generated by ffconf */
3784 #ifndef AVUTIL_AVCONFIG_H
3785 #define AVUTIL_AVCONFIG_H
3786 EOF
3787
3788 test "$postproc_version" != current && cat >> $TMPH <<EOF
3789 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3790 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3791 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3792 EOF
3793
3794 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3795
3796 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3797
3798 cp_if_changed $TMPH libavutil/avconfig.h
3799
3800 test -n "$WARNINGS" && printf "\n$WARNINGS"
3801
3802 # build pkg-config files
3803
3804 pkgconfig_generate(){
3805 name=$1
3806 shortname=${name#lib}${build_suffix}
3807 comment=$2
3808 version=$3
3809 libs=$4
3810 requires=$5
3811 enabled ${name#lib} || return 0
3812 mkdir -p $name
3813 cat <<EOF > $name/$name.pc
3814 prefix=$prefix
3815 exec_prefix=\${prefix}
3816 libdir=$libdir
3817 includedir=$incdir
3818
3819 Name: $name
3820 Description: $comment
3821 Version: $version
3822 Requires: $(enabled shared || echo $requires)
3823 Requires.private: $(enabled shared && echo $requires)
3824 Conflicts:
3825 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3826 Libs.private: $(enabled shared && echo $libs)
3827 Cflags: -I\${includedir}
3828 EOF
3829 cat <<EOF > $name/$name-uninstalled.pc
3830 prefix=
3831 exec_prefix=
3832 libdir=\${pcfiledir}
3833 includedir=${source_path}
3834
3835 Name: $name
3836 Description: $comment
3837 Version: $version
3838 Requires: $requires
3839 Conflicts:
3840 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3841 Cflags: -I\${includedir}
3842 EOF
3843 }
3844
3845 libavfilter_pc_deps=""
3846 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3847 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3848 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3849 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3850 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3851 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3852
3853 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
3854 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
3855
3856 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3857 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3858 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3859 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
3860 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3861 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3862 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3863 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"