81c7cc18a2049dba0e57599182cd5ea1201ca91d
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18     echo "Trying shell $1"
19     type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30     echo "Broken shell detected.  Trying alternatives."
31     export FF_CONF_EXEC
32     if test "0$FF_CONF_EXEC" -lt 1; then
33         FF_CONF_EXEC=1
34         try_exec bash "$0" "$@"
35     fi
36     if test "0$FF_CONF_EXEC" -lt 2; then
37         FF_CONF_EXEC=2
38         try_exec ksh "$0" "$@"
39     fi
40     if test "0$FF_CONF_EXEC" -lt 3; then
41         FF_CONF_EXEC=3
42         try_exec /usr/xpg4/bin/sh "$0" "$@"
43     fi
44     echo "No compatible shell script interpreter found."
45     echo "This configure script requires a POSIX-compatible shell"
46     echo "such as bash or ksh."
47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48     echo "Instead, install a working POSIX-compatible shell."
49     echo "Disabling this configure test will create a broken FFmpeg."
50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51         echo "This bash version ($BASH_VERSION) is broken on your platform."
52         echo "Upgrade to a later version if available."
53     fi
54     exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Help options:
63   --help                   print this message
64   --list-decoders          show all available decoders
65   --list-encoders          show all available encoders
66   --list-hwaccels          show all available hardware accelerators
67   --list-demuxers          show all available demuxers
68   --list-muxers            show all available muxers
69   --list-parsers           show all available parsers
70   --list-protocols         show all available protocols
71   --list-bsfs              show all available bitstream filters
72   --list-indevs            show all available input devices
73   --list-outdevs           show all available output devices
74   --list-filters           show all available filters
75
76 Standard options:
77   --logfile=FILE           log tests and output to FILE [config.log]
78   --disable-logging        do not log configure debug information
79   --prefix=PREFIX          install in PREFIX [$prefix]
80   --bindir=DIR             install binaries in DIR [PREFIX/bin]
81   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
82   --libdir=DIR             install libs in DIR [PREFIX/lib]
83   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
84   --incdir=DIR             install includes in DIR [PREFIX/include]
85   --mandir=DIR             install man page in DIR [PREFIX/share/man]
86
87 Licensing options:
88   --enable-gpl             allow use of GPL code, the resulting libs
89                            and binaries will be under GPL [no]
90   --enable-version3        upgrade (L)GPL to version 3 [no]
91   --enable-nonfree         allow use of nonfree code, the resulting libs
92                            and binaries will be unredistributable [no]
93
94 Configuration options:
95   --disable-static         do not build static libraries [no]
96   --enable-shared          build shared libraries [no]
97   --enable-small           optimize for size instead of speed
98   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99   --enable-gray            enable full grayscale support (slower color)
100   --disable-swscale-alpha  disable alpha channel support in swscale
101
102 Component options:
103   --disable-doc            do not build documentation
104   --disable-ffmpeg         disable ffmpeg build
105   --disable-ffplay         disable ffplay build
106   --disable-ffprobe        disable ffprobe build
107   --disable-ffserver       disable ffserver build
108   --disable-avdevice       disable libavdevice build
109   --disable-avcodec        disable libavcodec build
110   --disable-avformat       disable libavformat build
111   --disable-swresample     disable libswresample build
112   --disable-swscale        disable libswscale build
113   --disable-postproc       disable libpostproc build
114   --disable-avfilter       disable video filter support [no]
115   --enable-avresample      enable libavresample build [no]
116   --disable-pthreads       disable pthreads [auto]
117   --disable-w32threads     disable Win32 threads [auto]
118   --disable-os2threads     disable OS/2 threads [auto]
119   --enable-x11grab         enable X11 grabbing [no]
120   --disable-network        disable network support [no]
121   --disable-dct            disable DCT code
122   --disable-mdct           disable MDCT code
123   --disable-rdft           disable RDFT code
124   --disable-fft            disable FFT code
125   --enable-dxva2           enable DXVA2 code
126   --enable-vaapi           enable VAAPI code [autodetect]
127   --enable-vda             enable VDA code   [autodetect]
128   --enable-vdpau           enable VDPAU code [autodetect]
129
130 Individual component options:
131   --disable-everything     disable all components listed below
132   --disable-encoder=NAME   disable encoder NAME
133   --enable-encoder=NAME    enable encoder NAME
134   --disable-encoders       disable all encoders
135   --disable-decoder=NAME   disable decoder NAME
136   --enable-decoder=NAME    enable decoder NAME
137   --disable-decoders       disable all decoders
138   --disable-hwaccel=NAME   disable hwaccel NAME
139   --enable-hwaccel=NAME    enable hwaccel NAME
140   --disable-hwaccels       disable all hwaccels
141   --disable-muxer=NAME     disable muxer NAME
142   --enable-muxer=NAME      enable muxer NAME
143   --disable-muxers         disable all muxers
144   --disable-demuxer=NAME   disable demuxer NAME
145   --enable-demuxer=NAME    enable demuxer NAME
146   --disable-demuxers       disable all demuxers
147   --enable-parser=NAME     enable parser NAME
148   --disable-parser=NAME    disable parser NAME
149   --disable-parsers        disable all parsers
150   --enable-bsf=NAME        enable bitstream filter NAME
151   --disable-bsf=NAME       disable bitstream filter NAME
152   --disable-bsfs           disable all bitstream filters
153   --enable-protocol=NAME   enable protocol NAME
154   --disable-protocol=NAME  disable protocol NAME
155   --disable-protocols      disable all protocols
156   --enable-indev=NAME      enable input device NAME
157   --disable-indev=NAME     disable input device NAME
158   --disable-indevs         disable input devices
159   --enable-outdev=NAME     enable output device NAME
160   --disable-outdev=NAME    disable output device NAME
161   --disable-outdevs        disable output devices
162   --disable-devices        disable all devices
163   --enable-filter=NAME     enable filter NAME
164   --disable-filter=NAME    disable filter NAME
165   --disable-filters        disable all filters
166
167 External library support:
168   --enable-avisynth        enable reading of AVISynth script files [no]
169   --enable-bzlib           enable bzlib [autodetect]
170   --enable-fontconfig      enable fontconfig
171   --enable-frei0r          enable frei0r video filtering
172   --enable-gnutls          enable gnutls [no]
173   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
174   --enable-libass          enable libass subtitles rendering [no]
175   --enable-libbluray       enable BluRay reading using libbluray [no]
176   --enable-libcelt         enable CELT decoding via libcelt [no]
177   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
178   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
179   --enable-libopencv       enable video filtering via libopencv [no]
180   --enable-libcdio         enable audio CD grabbing with libcdio
181   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
182                            and libraw1394 [no]
183   --enable-libfaac         enable FAAC support via libfaac [no]
184   --enable-libfreetype     enable libfreetype [no]
185   --enable-libgsm          enable GSM support via libgsm [no]
186   --enable-libmodplug      enable ModPlug via libmodplug [no]
187   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
188   --enable-libnut          enable NUT (de)muxing via libnut,
189                            native (de)muxer exists [no]
190   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
191   --enable-libpulse        enable Pulseaudio input via libpulse [no]
192   --enable-librtmp         enable RTMP[E] support via librtmp [no]
193   --enable-libschroedinger enable Dirac support via libschroedinger [no]
194   --enable-libspeex        enable Speex support via libspeex [no]
195   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
196   --enable-libtheora       enable Theora encoding via libtheora [no]
197   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
198   --enable-libv4l2         enable libv4l2/v4l-utils [no]
199   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
200   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
201   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
202                            native implementation exists [no]
203   --enable-libvpx          enable VP8 support via libvpx [no]
204   --enable-libx264         enable H.264 encoding via x264 [no]
205   --enable-libxavs         enable AVS encoding via xavs [no]
206   --enable-libxvid         enable Xvid encoding via xvidcore,
207                            native MPEG-4/Xvid encoder exists [no]
208   --enable-openal          enable OpenAL 1.1 capture support [no]
209   --enable-openssl         enable openssl [no]
210   --enable-zlib            enable zlib [autodetect]
211
212 Advanced options (experts only):
213   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
214   --enable-cross-compile   assume a cross-compiler is used
215   --sysroot=PATH           root of cross-build tree
216   --sysinclude=PATH        location of cross-build system headers
217   --target-os=OS           compiler targets OS [$target_os]
218   --target-exec=CMD        command to run executables on target
219   --target-path=DIR        path to view of build directory on target
220   --nm=NM                  use nm tool NM [$nm_default]
221   --ar=AR                  use archive tool AR [$ar_default]
222   --as=AS                  use assembler AS [$as_default]
223   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
224   --cc=CC                  use C compiler CC [$cc_default]
225   --cxx=CXX                use C compiler CXX [$cxx_default]
226   --ld=LD                  use linker LD [$ld_default]
227   --host-cc=HOSTCC         use host C compiler HOSTCC
228   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
229   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
230   --host-libs=HLIBS        use libs HLIBS when linking for host
231   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
232   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
233   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
234   --extra-libs=ELIBS       add ELIBS [$ELIBS]
235   --extra-version=STRING   version string suffix []
236   --optflags               override optimization-related compiler flags
237   --build-suffix=SUFFIX    library name suffix []
238   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
239   --progs-suffix=SUFFIX    program name suffix []
240   --arch=ARCH              select architecture [$arch]
241   --cpu=CPU                select the minimum required CPU (affects
242                            instruction selection, may crash on older CPUs)
243   --enable-pic             build position-independent code
244   --enable-sram            allow use of on-chip SRAM
245   --disable-symver         disable symbol versioning
246   --disable-fastdiv        disable table-based division
247   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
248   --disable-safe-bitstream-reader
249                            disable buffer boundary checking in bitreaders
250                            (faster, but may crash)
251   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
252
253 Optimization options (experts only):
254   --disable-asm            disable all assembler optimizations
255   --disable-altivec        disable AltiVec optimizations
256   --disable-amd3dnow       disable 3DNow! optimizations
257   --disable-amd3dnowext    disable 3DNow! extended optimizations
258   --disable-mmx            disable MMX optimizations
259   --disable-mmx2           disable MMX2 optimizations
260   --disable-sse            disable SSE optimizations
261   --disable-ssse3          disable SSSE3 optimizations
262   --disable-avx            disable AVX optimizations
263   --disable-armv5te        disable armv5te optimizations
264   --disable-armv6          disable armv6 optimizations
265   --disable-armv6t2        disable armv6t2 optimizations
266   --disable-armvfp         disable ARM VFP optimizations
267   --disable-mmi            disable MMI optimizations
268   --disable-neon           disable NEON optimizations
269   --disable-vis            disable VIS optimizations
270   --disable-yasm           disable use of yasm assembler
271   --postproc-version=V     build libpostproc version V.
272                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
273
274 Developer options (useful when working on FFmpeg itself):
275   --enable-coverage        build with test coverage instrumentation
276   --disable-debug          disable debugging symbols
277   --enable-debug=LEVEL     set the debug level [$debuglevel]
278   --disable-optimizations  disable compiler optimizations
279   --enable-extra-warnings  enable more compiler warnings
280   --disable-stripping      disable stripping of executables and shared libraries
281   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
282                            2 causes a slowdown at runtime.
283   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
284                            leaks and errors, using the specified valgrind binary.
285                            Cannot be combined with --target-exec
286   --samples=PATH           location of test samples for FATE, if not set use
287                            \$FATE_SAMPLES at make invocation time.
288   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
289                            should be used only for debugging purposes)
290
291 NOTE: Object files are built at the place where configure is launched.
292 EOF
293   exit 0
294 }
295
296 quotes='""'
297
298 log(){
299     echo "$@" >> $logfile
300 }
301
302 log_file(){
303     log BEGIN $1
304     pr -n -t $1 >> $logfile
305     log END $1
306 }
307
308 echolog(){
309     log "$@"
310     echo "$@"
311 }
312
313 warn(){
314     log "WARNING: $*"
315     WARNINGS="${WARNINGS}WARNING: $*\n"
316 }
317
318 die(){
319     echolog "$@"
320     cat <<EOF
321
322 If you think configure made a mistake, make sure you are using the latest
323 version from Git.  If the latest version fails, report the problem to the
324 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
325 EOF
326     if disabled logging; then
327         cat <<EOF
328 Rerun configure with logging enabled (do not use --disable-logging), and
329 include the log this produces with your report.
330 EOF
331     else
332 cat <<EOF
333 Include the log file "$logfile" produced by configure as this will help
334 solving the problem.
335 EOF
336     fi
337     exit 1
338 }
339
340 # Avoid locale weirdness, besides we really just want to translate ASCII.
341 toupper(){
342     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
343 }
344
345 tolower(){
346     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
347 }
348
349 c_escape(){
350     echo "$*" | sed 's/["\\]/\\\0/g'
351 }
352
353 sh_quote(){
354     v=$(echo "$1" | sed "s/'/'\\\\''/g")
355     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
356     echo "$v"
357 }
358
359 cleanws(){
360     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
361 }
362
363 filter(){
364     pat=$1
365     shift
366     for v; do
367         eval "case $v in $pat) echo $v ;; esac"
368     done
369 }
370
371 filter_out(){
372     pat=$1
373     shift
374     for v; do
375         eval "case $v in $pat) ;; *) echo $v ;; esac"
376     done
377 }
378
379 map(){
380     m=$1
381     shift
382     for v; do eval $m; done
383 }
384
385 set_all(){
386     value=$1
387     shift
388     for var in $*; do
389         eval $var=$value
390     done
391 }
392
393 set_weak(){
394     value=$1
395     shift
396     for var; do
397         eval : \${$var:=$value}
398     done
399 }
400
401 set_safe(){
402     var=$1
403     shift
404     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
405 }
406
407 get_safe(){
408     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
409 }
410
411 pushvar(){
412     for var in $*; do
413         eval level=\${${var}_level:=0}
414         eval ${var}_${level}="\$$var"
415         eval ${var}_level=$(($level+1))
416     done
417 }
418
419 popvar(){
420     for var in $*; do
421         eval level=\${${var}_level:-0}
422         test $level = 0 && continue
423         eval level=$(($level-1))
424         eval $var="\${${var}_${level}}"
425         eval ${var}_level=$level
426         eval unset ${var}_${level}
427     done
428 }
429
430 enable(){
431     set_all yes $*
432 }
433
434 disable(){
435     set_all no $*
436 }
437
438 enable_weak(){
439     set_weak yes $*
440 }
441
442 disable_weak(){
443     set_weak no $*
444 }
445
446 enable_safe(){
447     for var; do
448         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
449     done
450 }
451
452 disable_safe(){
453     for var; do
454         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
455     done
456 }
457
458 do_enable_deep(){
459     for var; do
460         enabled $var && continue
461         eval sel="\$${var}_select"
462         eval sgs="\$${var}_suggest"
463         pushvar var sgs
464         enable_deep $sel
465         popvar sgs
466         enable_deep_weak $sgs
467         popvar var
468     done
469 }
470
471 enable_deep(){
472     do_enable_deep $*
473     enable $*
474 }
475
476 enable_deep_weak(){
477     do_enable_deep $*
478     enable_weak $*
479 }
480
481 enabled(){
482     test "${1#!}" = "$1" && op== || op=!=
483     eval test "x\$${1#!}" $op "xyes"
484 }
485
486 disabled(){
487     test "${1#!}" = "$1" && op== || op=!=
488     eval test "x\$${1#!}" $op "xno"
489 }
490
491 enabled_all(){
492     for opt; do
493         enabled $opt || return 1
494     done
495 }
496
497 disabled_all(){
498     for opt; do
499         disabled $opt || return 1
500     done
501 }
502
503 enabled_any(){
504     for opt; do
505         enabled $opt && return 0
506     done
507 }
508
509 disabled_any(){
510     for opt; do
511         disabled $opt && return 0
512     done
513     return 1
514 }
515
516 set_default(){
517     for opt; do
518         eval : \${$opt:=\$${opt}_default}
519     done
520 }
521
522 is_in(){
523     value=$1
524     shift
525     for var in $*; do
526         [ $var = $value ] && return 0
527     done
528     return 1
529 }
530
531 check_deps(){
532     for cfg; do
533         cfg="${cfg#!}"
534         enabled ${cfg}_checking && die "Circular dependency for $cfg."
535         disabled ${cfg}_checking && continue
536         enable ${cfg}_checking
537
538         eval dep_all="\$${cfg}_deps"
539         eval dep_any="\$${cfg}_deps_any"
540         eval dep_sel="\$${cfg}_select"
541         eval dep_sgs="\$${cfg}_suggest"
542         eval dep_ifa="\$${cfg}_if"
543         eval dep_ifn="\$${cfg}_if_any"
544
545         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
546         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
547         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
548
549         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
550         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
551         enabled_all  $dep_all || disable $cfg
552         enabled_any  $dep_any || disable $cfg
553         disabled_any $dep_sel && disable $cfg
554
555         if enabled $cfg; then
556             eval dep_extralibs="\$${cfg}_extralibs"
557             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
558             enable_deep $dep_sel
559             enable_deep_weak $dep_sgs
560         fi
561
562         disable ${cfg}_checking
563     done
564 }
565
566 print_config_h(){
567     enabled $1 && v=1 || v=0
568     echo "#define $2 $v"
569 }
570
571 print_config_mak(){
572     enabled $1 && v= || v=!
573     echo "$v$2=yes"
574 }
575
576 print_config_asm(){
577     enabled $1 && v=1 || v=0
578     echo "%define $2 $v"
579 }
580
581 print_config(){
582     pfx=$1
583     files=$2
584     shift 2
585     for cfg; do
586         ucname="$(toupper $cfg)"
587         for f in $files; do
588             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
589         done
590     done
591 }
592
593 print_enabled(){
594     test "$1" = -n && end=" " && shift || end="\n"
595     suf=$1
596     shift
597     for v; do
598         enabled $v && printf "%s$end" ${v%$suf};
599     done
600 }
601
602 append(){
603     var=$1
604     shift
605     eval "$var=\"\$$var $*\""
606 }
607
608 prepend(){
609     var=$1
610     shift
611     eval "$var=\"$* \$$var\""
612 }
613
614 add_cppflags(){
615     append CPPFLAGS $($filter_cppflags "$@")
616 }
617
618 add_cflags(){
619     append CFLAGS $($filter_cflags "$@")
620 }
621
622 add_cxxflags(){
623     append CXXFLAGS $($filter_cflags "$@")
624 }
625
626 add_asflags(){
627     append ASFLAGS $($filter_asflags "$@")
628 }
629
630 add_ldflags(){
631     append LDFLAGS "$@"
632 }
633
634 add_extralibs(){
635     prepend extralibs "$@"
636 }
637
638 check_cmd(){
639     log "$@"
640     "$@" >> $logfile 2>&1
641 }
642
643 check_cc(){
644     log check_cc "$@"
645     cat > $TMPC
646     log_file $TMPC
647     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
648 }
649
650 check_cxx(){
651     log check_cxx "$@"
652     cat > $TMPCPP
653     log_file $TMPCPP
654     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
655 }
656
657 check_cpp(){
658     log check_cpp "$@"
659     cat > $TMPC
660     log_file $TMPC
661     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
662 }
663
664 check_as(){
665     log check_as "$@"
666     cat > $TMPC
667     log_file $TMPC
668     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
669 }
670
671 check_asm(){
672     log check_asm "$@"
673     name="$1"
674     code="$2"
675     shift 2
676     disable $name
677     check_as "$@" <<EOF && enable $name
678 void foo(void){ __asm__ volatile($code); }
679 EOF
680 }
681
682 check_yasm(){
683     log check_yasm "$@"
684     echo "$1" > $TMPS
685     log_file $TMPS
686     shift 1
687     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
688 }
689
690 check_ld(){
691     log check_ld "$@"
692     type=$1
693     shift 1
694     flags=''
695     libs=''
696     for f; do
697         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
698     done
699     check_$type $($filter_cflags $flags) || return
700     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
701 }
702
703 check_cppflags(){
704     log check_cppflags "$@"
705     set -- $($filter_cppflags "$@")
706     check_cc "$@" <<EOF && append CPPFLAGS "$@"
707 int x;
708 EOF
709 }
710
711 check_cflags(){
712     log check_cflags "$@"
713     set -- $($filter_cflags "$@")
714     check_cc "$@" <<EOF && append CFLAGS "$@"
715 int x;
716 EOF
717 }
718
719 check_cxxflags(){
720     log check_cxxflags "$@"
721     set -- $($filter_cflags "$@")
722     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
723 int x;
724 EOF
725 }
726
727 test_ldflags(){
728     log test_ldflags "$@"
729     check_ld "cc" "$@" <<EOF
730 int main(void){ return 0; }
731 EOF
732 }
733
734 check_ldflags(){
735     log check_ldflags "$@"
736     test_ldflags "$@" && add_ldflags "$@"
737 }
738
739 check_header(){
740     log check_header "$@"
741     header=$1
742     shift
743     disable_safe $header
744     check_cpp "$@" <<EOF && enable_safe $header
745 #include <$header>
746 int x;
747 EOF
748 }
749
750 check_func(){
751     log check_func "$@"
752     func=$1
753     shift
754     disable $func
755     check_ld "cc" "$@" <<EOF && enable $func
756 extern int $func();
757 int main(void){ $func(); }
758 EOF
759 }
760
761 check_mathfunc(){
762     log check_mathfunc "$@"
763     func=$1
764     shift
765     disable $func
766     check_ld "cc" "$@" <<EOF && enable $func
767 #include <math.h>
768 float foo(float f) { return $func(f); }
769 int main(void){ return (int) foo; }
770 EOF
771 }
772
773 check_func_headers(){
774     log check_func_headers "$@"
775     headers=$1
776     funcs=$2
777     shift 2
778     {
779         for hdr in $headers; do
780             echo "#include <$hdr>"
781         done
782         for func in $funcs; do
783             echo "long check_$func(void) { return (long) $func; }"
784         done
785         echo "int main(void) { return 0; }"
786     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
787 }
788
789 check_class_headers_cpp(){
790     log check_class_headers_cpp "$@"
791     headers=$1
792     classes=$2
793     shift 2
794     {
795         for hdr in $headers; do
796             echo "#include <$hdr>"
797         done
798         echo "int main(void) { "
799         i=1
800         for class in $classes; do
801             echo "$class obj$i;"
802             i=$(expr $i + 1)
803         done
804         echo "return 0; }"
805     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
806 }
807
808 check_cpp_condition(){
809     log check_cpp_condition "$@"
810     header=$1
811     condition=$2
812     shift 2
813     check_cpp $($filter_cppflags "$@") <<EOF
814 #include <$header>
815 #if !($condition)
816 #error "unsatisfied condition: $condition"
817 #endif
818 EOF
819 }
820
821 check_lib(){
822     log check_lib "$@"
823     header="$1"
824     func="$2"
825     shift 2
826     check_header $header && check_func $func "$@" && add_extralibs "$@"
827 }
828
829 check_lib2(){
830     log check_lib2 "$@"
831     headers="$1"
832     funcs="$2"
833     shift 2
834     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
835 }
836
837 check_lib_cpp(){
838     log check_lib_cpp "$@"
839     headers="$1"
840     classes="$2"
841     shift 2
842     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
843 }
844
845 check_pkg_config(){
846     log check_pkg_config "$@"
847     pkg="$1"
848     headers="$2"
849     funcs="$3"
850     shift 3
851     $pkg_config --exists $pkg 2>/dev/null || return
852     pkg_cflags=$($pkg_config --cflags $pkg)
853     pkg_libs=$($pkg_config --libs $pkg)
854     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
855         set_safe ${pkg}_cflags $pkg_cflags   &&
856         set_safe ${pkg}_libs   $pkg_libs
857 }
858
859 check_exec(){
860     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
861 }
862
863 check_exec_crash(){
864     code=$(cat)
865
866     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
867     # are safe but may not be available everywhere.  Thus we use
868     # raise(SIGTERM) instead.  The check is run in a subshell so we
869     # can redirect the "Terminated" message from the shell.  SIGBUS
870     # is not defined by standard C so it is used conditionally.
871
872     (check_exec "$@") >> $logfile 2>&1 <<EOF
873 #include <signal.h>
874 static void sighandler(int sig){
875     raise(SIGTERM);
876 }
877 int func(void){
878     $code
879 }
880 int (*func_ptr)(void) = func;
881 int main(void){
882     signal(SIGILL, sighandler);
883     signal(SIGFPE, sighandler);
884     signal(SIGSEGV, sighandler);
885 #ifdef SIGBUS
886     signal(SIGBUS, sighandler);
887 #endif
888     return func_ptr();
889 }
890 EOF
891 }
892
893 check_type(){
894     log check_type "$@"
895     headers=$1
896     type=$2
897     shift 2
898     disable_safe "$type"
899     incs=""
900     for hdr in $headers; do
901         incs="$incs
902 #include <$hdr>"
903     done
904     check_cc "$@" <<EOF && enable_safe "$type"
905 $incs
906 $type v;
907 EOF
908 }
909
910 check_struct(){
911     log check_type "$@"
912     headers=$1
913     struct=$2
914     member=$3
915     shift 3
916     disable_safe "${struct}_${member}"
917     incs=""
918     for hdr in $headers; do
919         incs="$incs
920 #include <$hdr>"
921     done
922     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
923 $incs
924 const void *p = &(($struct *)0)->$member;
925 EOF
926 }
927
928 require(){
929     name="$1"
930     header="$2"
931     func="$3"
932     shift 3
933     check_lib $header $func "$@" || die "ERROR: $name not found"
934 }
935
936 require2(){
937     name="$1"
938     headers="$2"
939     func="$3"
940     shift 3
941     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
942 }
943
944 require_cpp(){
945     name="$1"
946     headers="$2"
947     classes="$3"
948     shift 3
949     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
950 }
951
952 require_pkg_config(){
953     pkg="$1"
954     check_pkg_config "$@" || die "ERROR: $pkg not found"
955     add_cflags    $(get_safe ${pkg}_cflags)
956     add_extralibs $(get_safe ${pkg}_libs)
957 }
958
959 check_host_cc(){
960     log check_host_cc "$@"
961     cat > $TMPC
962     log_file $TMPC
963     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
964 }
965
966 check_host_cflags(){
967     log check_host_cflags "$@"
968     check_host_cc "$@" <<EOF && append host_cflags "$@"
969 int x;
970 EOF
971 }
972
973 apply(){
974     file=$1
975     shift
976     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
977 }
978
979 cp_if_changed(){
980     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
981     mkdir -p "$(dirname $2)"
982     cp -f "$1" "$2"
983 }
984
985 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
986 # system-dependent things.
987
988 COMPONENT_LIST="
989     bsfs
990     decoders
991     demuxers
992     encoders
993     filters
994     hwaccels
995     indevs
996     muxers
997     outdevs
998     parsers
999     protocols
1000 "
1001
1002 PROGRAM_LIST="
1003     ffplay
1004     ffprobe
1005     ffserver
1006     ffmpeg
1007 "
1008
1009 CONFIG_LIST="
1010     $COMPONENT_LIST
1011     $PROGRAM_LIST
1012     ac3dsp
1013     avcodec
1014     avdevice
1015     avfilter
1016     avformat
1017     avresample
1018     avisynth
1019     bzlib
1020     crystalhd
1021     dct
1022     doc
1023     dwt
1024     dxva2
1025     fastdiv
1026     fft
1027     fontconfig
1028     frei0r
1029     gnutls
1030     gpl
1031     gray
1032     hardcoded_tables
1033     libaacplus
1034     libass
1035     libbluray
1036     libcdio
1037     libcelt
1038     libdc1394
1039     libfaac
1040     libfreetype
1041     libgsm
1042     libmodplug
1043     libmp3lame
1044     libnut
1045     libopencore_amrnb
1046     libopencore_amrwb
1047     libopencv
1048     libopenjpeg
1049     libpulse
1050     librtmp
1051     libschroedinger
1052     libspeex
1053     libstagefright_h264
1054     libtheora
1055     libutvideo
1056     libv4l2
1057     libvo_aacenc
1058     libvo_amrwbenc
1059     libvorbis
1060     libvpx
1061     libx264
1062     libxavs
1063     libxvid
1064     lsp
1065     mdct
1066     memalign_hack
1067     mpegaudiodsp
1068     network
1069     nonfree
1070     openal
1071     openssl
1072     pic
1073     postproc
1074     rdft
1075     rtpdec
1076     runtime_cpudetect
1077     safe_bitstream_reader
1078     shared
1079     sinewin
1080     small
1081     sram
1082     static
1083     swresample
1084     swscale
1085     swscale_alpha
1086     thumb
1087     vaapi
1088     vda
1089     vdpau
1090     version3
1091     xmm_clobber_test
1092     x11grab
1093     zlib
1094 "
1095
1096 THREADS_LIST='
1097     pthreads
1098     w32threads
1099     os2threads
1100 '
1101
1102 ARCH_LIST='
1103     alpha
1104     arm
1105     avr32
1106     avr32_ap
1107     avr32_uc
1108     bfin
1109     ia64
1110     m68k
1111     mips
1112     mips64
1113     parisc
1114     ppc
1115     ppc64
1116     s390
1117     sh4
1118     sparc
1119     sparc64
1120     tomi
1121     x86
1122     x86_32
1123     x86_64
1124 '
1125
1126 ARCH_EXT_LIST='
1127     altivec
1128     amd3dnow
1129     amd3dnowext
1130     armv5te
1131     armv6
1132     armv6t2
1133     armvfp
1134     avx
1135     mmi
1136     mmx
1137     mmx2
1138     neon
1139     ppc4xx
1140     sse
1141     ssse3
1142     vfpv3
1143     vis
1144 '
1145
1146 HAVE_LIST_PUB='
1147     bigendian
1148     fast_unaligned
1149 '
1150
1151 HAVE_LIST="
1152     $ARCH_EXT_LIST
1153     $HAVE_LIST_PUB
1154     $THREADS_LIST
1155     aligned_stack
1156     alsa_asoundlib_h
1157     altivec_h
1158     arpa_inet_h
1159     asm_mod_y
1160     asm_types_h
1161     attribute_may_alias
1162     attribute_packed
1163     cbrtf
1164     clock_gettime
1165     closesocket
1166     cmov
1167     dcbzl
1168     dev_bktr_ioctl_bt848_h
1169     dev_bktr_ioctl_meteor_h
1170     dev_ic_bt8xx_h
1171     dev_video_bktr_ioctl_bt848_h
1172     dev_video_meteor_ioctl_meteor_h
1173     dlfcn_h
1174     dlopen
1175     dos_paths
1176     ebp_available
1177     ebx_available
1178     exp2
1179     exp2f
1180     fast_64bit
1181     fast_clz
1182     fast_cmov
1183     fcntl
1184     fork
1185     getaddrinfo
1186     gethrtime
1187     GetProcessAffinityMask
1188     GetProcessMemoryInfo
1189     GetProcessTimes
1190     getrusage
1191     glob
1192     gnu_as
1193     ibm_asm
1194     inet_aton
1195     inline_asm
1196     isatty
1197     kbhit
1198     ldbrx
1199     libdc1394_1
1200     libdc1394_2
1201     llrint
1202     llrintf
1203     local_aligned_16
1204     local_aligned_8
1205     localtime_r
1206     log2
1207     log2f
1208     loongson
1209     lrint
1210     lrintf
1211     lzo1x_999_compress
1212     machine_ioctl_bt848_h
1213     machine_ioctl_meteor_h
1214     makeinfo
1215     malloc_h
1216     MapViewOfFile
1217     memalign
1218     mkstemp
1219     mmap
1220     netinet_sctp_h
1221     PeekNamedPipe
1222     poll_h
1223     posix_memalign
1224     pthread_cancel
1225     round
1226     roundf
1227     sched_getaffinity
1228     sdl
1229     sdl_video_size
1230     setmode
1231     setrlimit
1232     sndio_h
1233     socklen_t
1234     soundcard_h
1235     strerror_r
1236     strptime
1237     struct_addrinfo
1238     struct_ipv6_mreq
1239     struct_rusage_ru_maxrss
1240     struct_sockaddr_in6
1241     struct_sockaddr_sa_len
1242     struct_sockaddr_storage
1243     struct_v4l2_frmivalenum_discrete
1244     symver
1245     symver_asm_label
1246     symver_gnu_asm
1247     sysconf
1248     sysctl
1249     sys_mman_h
1250     sys_param_h
1251     sys_resource_h
1252     sys_select_h
1253     sys_soundcard_h
1254     sys_videoio_h
1255     termios_h
1256     threads
1257     trunc
1258     truncf
1259     vfp_args
1260     VirtualAlloc
1261     winsock2_h
1262     xform_asm
1263     xmm_clobbers
1264     yasm
1265 "
1266
1267 # options emitted with CONFIG_ prefix but not available on command line
1268 CONFIG_EXTRA="
1269     aandct
1270     avutil
1271     golomb
1272     gplv3
1273     h264chroma
1274     h264dsp
1275     h264pred
1276     h264qpel
1277     huffman
1278     lgplv3
1279     lpc
1280 "
1281
1282 CMDLINE_SELECT="
1283     $ARCH_EXT_LIST
1284     $CONFIG_LIST
1285     $THREADS_LIST
1286     asm
1287     coverage
1288     cross_compile
1289     debug
1290     extra_warnings
1291     logging
1292     optimizations
1293     stripping
1294     symver
1295     yasm
1296 "
1297
1298 PATHS_LIST='
1299     bindir
1300     datadir
1301     incdir
1302     libdir
1303     mandir
1304     prefix
1305     shlibdir
1306 '
1307
1308 CMDLINE_SET="
1309     $PATHS_LIST
1310     ar
1311     arch
1312     as
1313     assert_level
1314     build_suffix
1315     cc
1316     cpu
1317     cross_prefix
1318     cxx
1319     dep_cc
1320     extra_version
1321     host_cc
1322     host_cflags
1323     host_ldflags
1324     host_libs
1325     host_os
1326     install
1327     ld
1328     logfile
1329     malloc_prefix
1330     nm
1331     optflags
1332     pkg_config
1333     postproc_version
1334     progs_suffix
1335     samples
1336     strip
1337     sysinclude
1338     sysroot
1339     target_exec
1340     target_os
1341     target_path
1342     valgrind
1343     yasmexe
1344 "
1345
1346 CMDLINE_APPEND="
1347     extra_cflags
1348     extra_cxxflags
1349 "
1350
1351 # code dependency declarations
1352
1353 # architecture extensions
1354
1355 armv5te_deps="arm"
1356 armv6_deps="arm"
1357 armv6t2_deps="arm"
1358 armvfp_deps="arm"
1359 neon_deps="arm"
1360 vfpv3_deps="armvfp"
1361
1362 mmi_deps="mips"
1363
1364 altivec_deps="ppc"
1365 ppc4xx_deps="ppc"
1366
1367 vis_deps="sparc"
1368
1369 x86_64_suggest="cmov fast_cmov"
1370 amd3dnow_deps="mmx"
1371 amd3dnowext_deps="amd3dnow"
1372 mmx_deps="x86"
1373 mmx2_deps="mmx"
1374 sse_deps="mmx"
1375 ssse3_deps="sse"
1376 avx_deps="ssse3"
1377
1378 aligned_stack_if_any="ppc x86"
1379 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1380 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1381 fast_unaligned_if_any="armv6 ppc x86"
1382
1383 inline_asm_deps="!tms470"
1384 need_memalign="altivec neon sse"
1385
1386 symver_if_any="symver_asm_label symver_gnu_asm"
1387
1388 # subsystems
1389 dct_select="rdft"
1390 mdct_select="fft"
1391 rdft_select="fft"
1392 mpegaudiodsp_select="dct"
1393
1394 # decoders / encoders / hardware accelerators
1395 aac_decoder_select="mdct sinewin"
1396 aac_encoder_select="mdct sinewin"
1397 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1398 ac3_decoder_select="mdct ac3dsp ac3_parser"
1399 ac3_encoder_select="mdct ac3dsp"
1400 ac3_fixed_encoder_select="mdct ac3dsp"
1401 alac_encoder_select="lpc"
1402 amrnb_decoder_select="lsp"
1403 amrwb_decoder_select="lsp"
1404 atrac1_decoder_select="mdct sinewin"
1405 atrac3_decoder_select="mdct"
1406 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1407 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1408 cavs_decoder_select="golomb"
1409 cook_decoder_select="mdct sinewin"
1410 cscd_decoder_suggest="zlib"
1411 dca_decoder_select="mdct"
1412 dnxhd_encoder_select="aandct"
1413 dxa_decoder_select="zlib"
1414 eac3_decoder_select="ac3_decoder"
1415 eac3_encoder_select="mdct ac3dsp"
1416 eamad_decoder_select="aandct"
1417 eatgq_decoder_select="aandct"
1418 eatqi_decoder_select="aandct"
1419 ffv1_decoder_select="golomb"
1420 flac_decoder_select="golomb"
1421 flac_encoder_select="golomb lpc"
1422 flashsv_decoder_select="zlib"
1423 flashsv_encoder_select="zlib"
1424 flashsv2_encoder_select="zlib"
1425 flashsv2_decoder_select="zlib"
1426 flv_decoder_select="h263_decoder"
1427 flv_encoder_select="h263_encoder"
1428 fraps_decoder_select="huffman"
1429 h261_encoder_select="aandct"
1430 h263_decoder_select="h263_parser"
1431 h263_encoder_select="aandct"
1432 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1433 h263i_decoder_select="h263_decoder"
1434 h263p_encoder_select="h263_encoder"
1435 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1436 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1437 h264_dxva2_hwaccel_deps="dxva2api_h"
1438 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1439 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1440 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1441 h264_vda_hwaccel_select="vda h264_decoder"
1442 h264_vdpau_decoder_select="vdpau h264_decoder"
1443 imc_decoder_select="fft mdct sinewin"
1444 jpegls_decoder_select="golomb"
1445 jpegls_encoder_select="golomb"
1446 ljpeg_encoder_select="aandct"
1447 loco_decoder_select="golomb"
1448 mjpeg_encoder_select="aandct"
1449 mlp_decoder_select="mlp_parser"
1450 mp1_decoder_select="mpegaudiodsp"
1451 mp1float_decoder_select="mpegaudiodsp"
1452 mp2_decoder_select="mpegaudiodsp"
1453 mp2float_decoder_select="mpegaudiodsp"
1454 mp3_decoder_select="mpegaudiodsp"
1455 mp3adu_decoder_select="mpegaudiodsp"
1456 mp3adufloat_decoder_select="mpegaudiodsp"
1457 mp3float_decoder_select="mpegaudiodsp"
1458 mp3on4_decoder_select="mpegaudiodsp"
1459 mp3on4float_decoder_select="mpegaudiodsp"
1460 mpc7_decoder_select="mpegaudiodsp"
1461 mpc8_decoder_select="mpegaudiodsp"
1462 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1463 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1464 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1465 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1466 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1467 mpeg1video_encoder_select="aandct"
1468 mpeg2_crystalhd_decoder_select="crystalhd"
1469 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1470 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1471 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1472 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1473 mpeg2video_encoder_select="aandct"
1474 mpeg4_crystalhd_decoder_select="crystalhd"
1475 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1476 mpeg4_encoder_select="h263_encoder"
1477 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1478 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1479 msmpeg4_crystalhd_decoder_select="crystalhd"
1480 msmpeg4v1_decoder_select="h263_decoder"
1481 msmpeg4v1_encoder_select="h263_encoder"
1482 msmpeg4v2_decoder_select="h263_decoder"
1483 msmpeg4v2_encoder_select="h263_encoder"
1484 msmpeg4v3_decoder_select="h263_decoder"
1485 msmpeg4v3_encoder_select="h263_encoder"
1486 nellymoser_decoder_select="mdct sinewin"
1487 nellymoser_encoder_select="mdct sinewin"
1488 png_decoder_select="zlib"
1489 png_encoder_select="zlib"
1490 qcelp_decoder_select="lsp"
1491 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1492 ra_144_encoder_select="lpc"
1493 ralf_decoder_select="golomb"
1494 rv10_decoder_select="h263_decoder"
1495 rv10_encoder_select="h263_encoder"
1496 rv20_decoder_select="h263_decoder"
1497 rv20_encoder_select="h263_encoder"
1498 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1499 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1500 shorten_decoder_select="golomb"
1501 sipr_decoder_select="lsp"
1502 snow_decoder_select="dwt"
1503 snow_encoder_select="aandct dwt"
1504 sonic_decoder_select="golomb"
1505 sonic_encoder_select="golomb"
1506 sonic_ls_encoder_select="golomb"
1507 svq1_encoder_select="aandct"
1508 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1509 svq3_decoder_suggest="zlib"
1510 theora_decoder_select="vp3_decoder"
1511 tiff_decoder_suggest="zlib"
1512 tiff_encoder_suggest="zlib"
1513 truehd_decoder_select="mlp_decoder"
1514 tscc_decoder_select="zlib"
1515 twinvq_decoder_select="mdct lsp sinewin"
1516 vc1_crystalhd_decoder_select="crystalhd"
1517 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1518 vc1_dxva2_hwaccel_deps="dxva2api_h"
1519 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1520 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1521 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1522 vc1image_decoder_select="vc1_decoder"
1523 vorbis_decoder_select="mdct"
1524 vorbis_encoder_select="mdct"
1525 vp6_decoder_select="huffman"
1526 vp6a_decoder_select="vp6_decoder"
1527 vp6f_decoder_select="vp6_decoder"
1528 vp8_decoder_select="h264pred h264qpel"
1529 wmapro_decoder_select="mdct sinewin"
1530 wmav1_decoder_select="mdct sinewin"
1531 wmav1_encoder_select="mdct sinewin"
1532 wmav2_decoder_select="mdct sinewin"
1533 wmav2_encoder_select="mdct sinewin"
1534 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1535 wmv1_decoder_select="h263_decoder"
1536 wmv1_encoder_select="h263_encoder"
1537 wmv2_decoder_select="h263_decoder"
1538 wmv2_encoder_select="h263_encoder"
1539 wmv3_decoder_select="vc1_decoder"
1540 wmv3_crystalhd_decoder_select="crystalhd"
1541 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1542 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1543 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1544 wmv3image_decoder_select="wmv3_decoder"
1545 zerocodec_decoder_select="zlib"
1546 zlib_decoder_select="zlib"
1547 zlib_encoder_select="zlib"
1548 zmbv_decoder_select="zlib"
1549 zmbv_encoder_select="zlib"
1550
1551 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1552 vaapi_deps="va_va_h"
1553 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1554 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1555
1556 # parsers
1557 h264_parser_select="golomb h264dsp h264pred"
1558
1559 # external libraries
1560 libaacplus_encoder_deps="libaacplus"
1561 libcelt_decoder_deps="libcelt"
1562 libfaac_encoder_deps="libfaac"
1563 libgsm_decoder_deps="libgsm"
1564 libgsm_encoder_deps="libgsm"
1565 libgsm_ms_decoder_deps="libgsm"
1566 libgsm_ms_encoder_deps="libgsm"
1567 libmodplug_demuxer_deps="libmodplug"
1568 libmp3lame_encoder_deps="libmp3lame"
1569 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1570 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1571 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1572 libopenjpeg_decoder_deps="libopenjpeg"
1573 libopenjpeg_encoder_deps="libopenjpeg"
1574 libschroedinger_decoder_deps="libschroedinger"
1575 libschroedinger_encoder_deps="libschroedinger"
1576 libspeex_decoder_deps="libspeex"
1577 libspeex_encoder_deps="libspeex"
1578 libstagefright_h264_decoder_deps="libstagefright_h264"
1579 libtheora_encoder_deps="libtheora"
1580 libvo_aacenc_encoder_deps="libvo_aacenc"
1581 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1582 libvorbis_decoder_deps="libvorbis"
1583 libvorbis_encoder_deps="libvorbis"
1584 libvpx_decoder_deps="libvpx"
1585 libvpx_encoder_deps="libvpx"
1586 libx264_encoder_deps="libx264"
1587 libx264rgb_encoder_deps="libx264"
1588 libxavs_encoder_deps="libxavs"
1589 libxvid_encoder_deps="libxvid"
1590 libutvideo_decoder_deps="libutvideo"
1591 libutvideo_encoder_deps="libutvideo"
1592
1593 # demuxers / muxers
1594 ac3_demuxer_select="ac3_parser"
1595 asf_stream_muxer_select="asf_muxer"
1596 avisynth_demuxer_deps="avisynth"
1597 dirac_demuxer_select="dirac_parser"
1598 eac3_demuxer_select="ac3_parser"
1599 flac_demuxer_select="flac_parser"
1600 ipod_muxer_select="mov_muxer"
1601 libnut_demuxer_deps="libnut"
1602 libnut_muxer_deps="libnut"
1603 matroska_audio_muxer_select="matroska_muxer"
1604 matroska_demuxer_suggest="zlib bzlib"
1605 mov_demuxer_suggest="zlib"
1606 mp3_demuxer_select="mpegaudio_parser"
1607 mp4_muxer_select="mov_muxer"
1608 mpegtsraw_demuxer_select="mpegts_demuxer"
1609 mxf_d10_muxer_select="mxf_muxer"
1610 ogg_demuxer_select="golomb"
1611 psp_muxer_select="mov_muxer"
1612 rtp_demuxer_select="sdp_demuxer"
1613 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1614 rtsp_demuxer_select="http_protocol rtpdec"
1615 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1616 sap_demuxer_select="sdp_demuxer"
1617 sap_muxer_select="rtp_muxer rtp_protocol"
1618 sdp_demuxer_select="rtpdec"
1619 spdif_muxer_select="aac_parser"
1620 tg2_muxer_select="mov_muxer"
1621 tgp_muxer_select="mov_muxer"
1622 w64_demuxer_deps="wav_demuxer"
1623
1624 # indevs / outdevs
1625 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1626 alsa_outdev_deps="alsa_asoundlib_h"
1627 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1628 dshow_indev_deps="IBaseFilter"
1629 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1630 dv1394_indev_deps="dv1394 dv_demuxer"
1631 fbdev_indev_deps="linux_fb_h"
1632 jack_indev_deps="jack_jack_h sem_timedwait"
1633 lavfi_indev_deps="avfilter"
1634 libcdio_indev_deps="libcdio"
1635 libdc1394_indev_deps="libdc1394"
1636 libv4l2_indev_deps="libv4l2"
1637 openal_indev_deps="openal"
1638 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1639 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1640 pulse_indev_deps="libpulse"
1641 sdl_outdev_deps="sdl"
1642 sndio_indev_deps="sndio_h"
1643 sndio_outdev_deps="sndio_h"
1644 v4l_indev_deps="linux_videodev_h"
1645 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1646 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1647 vfwcap_indev_extralibs="-lavicap32"
1648 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1649
1650 # protocols
1651 bluray_protocol_deps="libbluray"
1652 gopher_protocol_deps="network"
1653 httpproxy_protocol_deps="network"
1654 httpproxy_protocol_select="tcp_protocol"
1655 http_protocol_deps="network"
1656 http_protocol_select="tcp_protocol"
1657 https_protocol_select="tls_protocol"
1658 librtmp_protocol_deps="librtmp"
1659 librtmpe_protocol_deps="librtmp"
1660 librtmps_protocol_deps="librtmp"
1661 librtmpt_protocol_deps="librtmp"
1662 librtmpte_protocol_deps="librtmp"
1663 mmsh_protocol_select="http_protocol"
1664 mmst_protocol_deps="network"
1665 rtmp_protocol_deps="!librtmp_protocol"
1666 rtmp_protocol_select="tcp_protocol"
1667 rtp_protocol_select="udp_protocol"
1668 sctp_protocol_deps="network netinet_sctp_h"
1669 tcp_protocol_deps="network"
1670 tls_protocol_deps_any="openssl gnutls"
1671 tls_protocol_select="tcp_protocol"
1672 udp_protocol_deps="network"
1673
1674 # filters
1675 aconvert_filter_deps="swresample"
1676 amovie_filter_deps="avcodec avformat"
1677 aresample_filter_deps="swresample"
1678 ass_filter_deps="libass"
1679 asyncts_filter_deps="avresample"
1680 blackframe_filter_deps="gpl"
1681 boxblur_filter_deps="gpl"
1682 colormatrix_filter_deps="gpl"
1683 cropdetect_filter_deps="gpl"
1684 delogo_filter_deps="gpl"
1685 deshake_filter_deps="avcodec"
1686 drawtext_filter_deps="libfreetype"
1687 frei0r_filter_deps="frei0r dlopen"
1688 frei0r_filter_extralibs='$ldl'
1689 frei0r_src_filter_deps="frei0r dlopen"
1690 frei0r_src_filter_extralibs='$ldl'
1691 hqdn3d_filter_deps="gpl"
1692 movie_filter_deps="avcodec avformat"
1693 mp_filter_deps="gpl avcodec swscale postproc"
1694 mptestsrc_filter_deps="gpl"
1695 negate_filter_deps="lut_filter"
1696 resample_filter_deps="avresample"
1697 ocv_filter_deps="libopencv"
1698 pan_filter_deps="swresample"
1699 removelogo_filter_deps="avcodec avformat swscale"
1700 scale_filter_deps="swscale"
1701 super2xsai_filter_deps="gpl"
1702 tinterlace_filter_deps="gpl"
1703 yadif_filter_deps="gpl"
1704
1705 # libraries
1706 avdevice_deps="avcodec avformat"
1707 avfilter_deps="swscale"
1708 avformat_deps="avcodec"
1709 postproc_deps="gpl"
1710
1711 # programs
1712 ffmpeg_deps="avcodec avfilter avformat swscale swresample
1713              setpts_filter"
1714 ffmpeg_select="buffersink_filter format_filter aformat_filter"
1715 ffplay_deps="avcodec avformat swscale swresample sdl"
1716 ffplay_select="buffersink_filter rdft"
1717 ffprobe_deps="avcodec avformat"
1718 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1719 ffserver_extralibs='$ldl'
1720
1721 doc_deps="texi2html"
1722
1723 # tests
1724
1725 test_deps(){
1726     suf1=$1
1727     suf2=$2
1728     shift 2
1729     for v; do
1730         dep=${v%=*}
1731         tests=${v#*=}
1732         for name in ${tests}; do
1733             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1734         done
1735     done
1736 }
1737
1738 mxf_d10_test_deps="avfilter"
1739 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1740
1741 test_deps _muxer _demuxer                                               \
1742     aiff                                                                \
1743     pcm_alaw=alaw                                                       \
1744     asf                                                                 \
1745     au                                                                  \
1746     avi                                                                 \
1747     dv=dv_fmt                                                           \
1748     ffm                                                                 \
1749     flv=flv_fmt                                                         \
1750     gxf                                                                 \
1751     matroska=mkv                                                        \
1752     mmf                                                                 \
1753     mov="mov ismv"                                                      \
1754     pcm_mulaw=mulaw                                                     \
1755     mxf="mxf mxf_d10"                                                   \
1756     nut                                                                 \
1757     ogg="ogg ogg_vp3"                                                   \
1758     rawvideo=pixfmt                                                     \
1759     rm                                                                  \
1760     swf                                                                 \
1761     mpegts=ts                                                           \
1762     voc                                                                 \
1763     wav                                                                 \
1764     yuv4mpegpipe=yuv4mpeg                                               \
1765
1766 colormatrix1_test_deps="colormatrix_filter"
1767 colormatrix2_test_deps="colormatrix_filter"
1768 flashsv2_test_deps="zlib"
1769 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1770 mpng_test_deps="zlib"
1771 pp_test_deps="mp_filter"
1772 pp2_test_deps="mp_filter"
1773 pp3_test_deps="mp_filter"
1774 pp4_test_deps="mp_filter"
1775 pp5_test_deps="mp_filter"
1776 pp6_test_deps="mp_filter"
1777 zlib_test_deps="zlib"
1778 zmbv_test_deps="zlib"
1779
1780 # default parameters
1781
1782 logfile="config.log"
1783
1784 # installation paths
1785 prefix_default="/usr/local"
1786 bindir_default='${prefix}/bin'
1787 datadir_default='${prefix}/share/ffmpeg'
1788 incdir_default='${prefix}/include'
1789 libdir_default='${prefix}/lib'
1790 mandir_default='${prefix}/share/man'
1791 shlibdir_default="$libdir_default"
1792 postproc_version_default="current"
1793
1794 # toolchain
1795 ar_default="ar"
1796 cc_default="gcc"
1797 cxx_default="g++"
1798 cc_version=\"unknown\"
1799 host_cc_default="gcc"
1800 install="install"
1801 ln_s="ln -sf"
1802 nm_default="nm"
1803 objformat="elf"
1804 pkg_config_default=pkg-config
1805 ranlib="ranlib"
1806 strip_default="strip"
1807 yasmexe_default="yasm"
1808
1809 nm_opts='-g'
1810 nogas=":"
1811
1812 # machine
1813 arch_default=$(uname -m)
1814 cpu="generic"
1815
1816 # OS
1817 target_os_default=$(tolower $(uname -s))
1818 host_os=$target_os_default
1819
1820 # alternative libpostproc version
1821 ALT_PP_VER_MAJOR=51
1822 ALT_PP_VER_MINOR=2
1823 ALT_PP_VER_MICRO=101
1824 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1825
1826 # configurable options
1827 enable $PROGRAM_LIST
1828
1829 enable avcodec
1830 enable avdevice
1831 enable avfilter
1832 enable avformat
1833 enable avutil
1834 enable postproc
1835 enable stripping
1836 enable swresample
1837 enable swscale
1838
1839 enable asm
1840 enable debug
1841 enable doc
1842 enable fastdiv
1843 enable network
1844 enable optimizations
1845 enable safe_bitstream_reader
1846 enable static
1847 enable swscale_alpha
1848
1849 # build settings
1850 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1851 FFSERVERLDFLAGS=-Wl,-E
1852 LIBPREF="lib"
1853 LIBSUF=".a"
1854 FULLNAME='$(NAME)$(BUILDSUF)'
1855 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1856 SLIBPREF="lib"
1857 SLIBSUF=".so"
1858 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1859 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1860 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1861 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1862 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1863 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1864
1865 AS_O='-o $@'
1866 CC_O='-o $@'
1867 CXX_O='-o $@'
1868
1869 host_cflags='-D_ISOC99_SOURCE -O3 -g'
1870 host_libs='-lm'
1871
1872 target_path='$(CURDIR)'
1873
1874 # since the object filename is not given with the -MM flag, the compiler
1875 # is only able to print the basename, and we must add the path ourselves
1876 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1877 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1878
1879 # find source path
1880 if test -f configure; then
1881     source_path=.
1882 else
1883     source_path=$(cd $(dirname "$0"); pwd)
1884     echo "$source_path" | grep -q '[[:blank:]]' &&
1885         die "Out of tree builds are impossible with whitespace in source path."
1886     test -e "$source_path/config.h" &&
1887         die "Out of tree builds are impossible with config.h in source dir."
1888 fi
1889
1890 for v in "$@"; do
1891     r=${v#*=}
1892     l=${v%"$r"}
1893     r=$(sh_quote "$r")
1894     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1895 done
1896
1897 find_things(){
1898     thing=$1
1899     pattern=$2
1900     file=$source_path/$3
1901     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1902 }
1903
1904 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1905 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1906 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1907 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1908 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1909 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1910 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1911 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1912 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1913 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1914 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1915
1916 ALL_COMPONENTS="
1917     $BSF_LIST
1918     $DECODER_LIST
1919     $DEMUXER_LIST
1920     $ENCODER_LIST
1921     $FILTER_LIST
1922     $HWACCEL_LIST
1923     $INDEV_LIST
1924     $MUXER_LIST
1925     $OUTDEV_LIST
1926     $PARSER_LIST
1927     $PROTOCOL_LIST
1928 "
1929
1930 find_tests(){
1931     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1932 }
1933
1934 LAVF_FATE_TESTS=$(find_tests lavf-fate)
1935 LAVF_TESTS=$(find_tests lavf)
1936 LAVFI_TESTS=$(find_tests lavfi)
1937 SEEK_TESTS=$(find_tests seek seek_)
1938
1939 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1940
1941 for n in $COMPONENT_LIST; do
1942     v=$(toupper ${n%s})_LIST
1943     eval enable \$$v
1944     eval ${n}_if_any="\$$v"
1945 done
1946
1947 enable $ARCH_EXT_LIST $ALL_TESTS
1948
1949 die_unknown(){
1950     echo "Unknown option \"$1\"."
1951     echo "See $0 --help for available options."
1952     exit 1
1953 }
1954
1955 show_list() {
1956     suffix=_$1
1957     shift
1958     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
1959     exit 0
1960 }
1961
1962 for opt do
1963     optval="${opt#*=}"
1964     case "$opt" in
1965     --extra-ldflags=*) add_ldflags $optval
1966     ;;
1967     --extra-libs=*) add_extralibs $optval
1968     ;;
1969     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
1970     ;;
1971     --enable-debug=*) debuglevel="$optval"
1972     ;;
1973     --disable-everything)
1974     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
1975     ;;
1976     --enable-*=*|--disable-*=*)
1977     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
1978     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
1979     eval list=\$$(toupper $thing)_LIST
1980     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
1981     $action $(filter "$name" $list)
1982     ;;
1983     --enable-?*|--disable-?*)
1984     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
1985     if is_in $option $COMPONENT_LIST; then
1986         test $action = disable && action=unset
1987         eval $action \$$(toupper ${option%s})_LIST
1988     elif is_in $option $CMDLINE_SELECT; then
1989         $action $option
1990     else
1991         die_unknown $opt
1992     fi
1993     ;;
1994     --list-*)
1995         NAME="${opt#--list-}"
1996         is_in $NAME $COMPONENT_LIST || die_unknown $opt
1997         NAME=${NAME%s}
1998         eval show_list $NAME \$$(toupper $NAME)_LIST
1999     ;;
2000     --help|-h) show_help
2001     ;;
2002     *)
2003     optname="${opt%%=*}"
2004     optname="${optname#--}"
2005     optname=$(echo "$optname" | sed 's/-/_/g')
2006     if is_in $optname $CMDLINE_SET; then
2007         eval $optname='$optval'
2008     elif is_in $optname $CMDLINE_APPEND; then
2009         append $optname "$optval"
2010     else
2011          die_unknown $opt
2012     fi
2013     ;;
2014     esac
2015 done
2016
2017 disabled logging && logfile=/dev/null
2018
2019 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2020 set >> $logfile
2021
2022 test -n "$cross_prefix" && enable cross_compile
2023
2024 if enabled cross_compile; then
2025     test -n "$arch" && test -n "$target_os" ||
2026         die "Must specify target arch and OS when cross-compiling"
2027 fi
2028
2029 set_default arch target_os postproc_version
2030
2031 # Check if we should build alternative libpostproc version instead of current
2032 if   test "$postproc_version" = $ALT_PP_VER; then
2033   LIBPOSTPROC_VERSION=$ALT_PP_VER
2034   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2035   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2036   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2037 elif test "$postproc_version" != current; then
2038   die "Invalid argument to --postproc-version. See --help output."
2039 fi
2040
2041 ar_default="${cross_prefix}${ar_default}"
2042 cc_default="${cross_prefix}${cc_default}"
2043 cxx_default="${cross_prefix}${cxx_default}"
2044 nm_default="${cross_prefix}${nm_default}"
2045 pkg_config_default="${cross_prefix}${pkg_config_default}"
2046 ranlib="${cross_prefix}${ranlib}"
2047 strip_default="${cross_prefix}${strip_default}"
2048
2049 sysinclude_default="${sysroot}/usr/include"
2050
2051 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2052 enabled cross_compile || host_cc_default=$cc
2053 set_default host_cc
2054
2055 if ! $pkg_config --version >/dev/null 2>&1; then
2056     warn "$pkg_config not found, library detection may fail."
2057     pkg_config=false
2058 fi
2059
2060 exesuf() {
2061     case $1 in
2062         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2063     esac
2064 }
2065
2066 EXESUF=$(exesuf $target_os)
2067 HOSTEXESUF=$(exesuf $host_os)
2068
2069 # set temporary file name
2070 : ${TMPDIR:=$TEMPDIR}
2071 : ${TMPDIR:=$TMP}
2072 : ${TMPDIR:=/tmp}
2073
2074 if ! check_cmd mktemp -u XXXXXX; then
2075     # simple replacement for missing mktemp
2076     # NOT SAFE FOR GENERAL USE
2077     mktemp(){
2078         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2079     }
2080 fi
2081
2082 tmpfile(){
2083     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2084         (set -C; exec > $tmp) 2>/dev/null ||
2085         die "Unable to create temporary file in $TMPDIR."
2086     append TMPFILES $tmp
2087     eval $1=$tmp
2088 }
2089
2090 trap 'rm -f -- $TMPFILES' EXIT
2091
2092 tmpfile TMPASM .asm
2093 tmpfile TMPC   .c
2094 tmpfile TMPCPP .cpp
2095 tmpfile TMPE   $EXESUF
2096 tmpfile TMPH   .h
2097 tmpfile TMPO   .o
2098 tmpfile TMPS   .S
2099 tmpfile TMPSH  .sh
2100 tmpfile TMPV   .ver
2101
2102 unset -f mktemp
2103
2104 chmod +x $TMPE
2105
2106 # make sure we can execute files in $TMPDIR
2107 cat > $TMPSH 2>> $logfile <<EOF
2108 #! /bin/sh
2109 EOF
2110 chmod +x $TMPSH >> $logfile 2>&1
2111 if ! $TMPSH >> $logfile 2>&1; then
2112     cat <<EOF
2113 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2114 variable to another directory and make sure that it is not mounted noexec.
2115 EOF
2116     die "Sanity test failed."
2117 fi
2118
2119 filter_asflags=echo
2120 filter_cflags=echo
2121 filter_cppflags=echo
2122
2123 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2124     cc_type=llvm_gcc
2125     cc_version=__VERSION__
2126     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2127     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2128     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2129     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2130     speed_cflags='-O3'
2131     size_cflags='-Os'
2132 elif $cc -v 2>&1 | grep -qi ^gcc; then
2133     cc_type=gcc
2134     cc_version=__VERSION__
2135     gcc_version=$($cc --version | head -n1)
2136     gcc_basever=$($cc -dumpversion)
2137     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2138     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2139     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2140     if ! $cc -dumpversion | grep -q '^2\.'; then
2141         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2142         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2143     fi
2144     speed_cflags='-O3'
2145     size_cflags='-Os'
2146 elif $cc --version 2>/dev/null | grep -q Intel; then
2147     cc_type=icc
2148     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2149     cc_ident=$($cc --version | head -n1)
2150     icc_version=$($cc -dumpversion)
2151     CC_DEPFLAGS='-MMD'
2152     AS_DEPFLAGS='-MMD'
2153     speed_cflags='-O3'
2154     size_cflags='-Os'
2155     noopt_cflags='-O1'
2156 elif $cc -v 2>&1 | grep -q xlc; then
2157     cc_type=xlc
2158     cc_version="AV_STRINGIFY(__IBMC__)"
2159     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2160     speed_cflags='-O5'
2161     size_cflags='-O5 -qcompact'
2162 elif $cc -V 2>/dev/null | grep -q Compaq; then
2163     cc_type=ccc
2164     cc_version="AV_STRINGIFY(__DECC_VER)"
2165     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2166     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2167     debuglevel=3
2168     add_ldflags -Wl,-z,now # calls to libots crash without this
2169     speed_cflags='-fast'
2170     size_cflags='-O1'
2171 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2172     test -d "$sysroot" || die "No valid sysroot specified."
2173     cc_type=armcc
2174     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2175     cc_ident=$($cc --vsn | head -n1)
2176     armcc_conf="$PWD/armcc.conf"
2177     $cc --arm_linux_configure                 \
2178         --arm_linux_config_file="$armcc_conf" \
2179         --configure_sysroot="$sysroot"        \
2180         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2181         die "Error creating armcc configuration file."
2182     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2183     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2184     as_default="${cross_prefix}gcc"
2185     CC_DEPFLAGS='-MMD'
2186     AS_DEPFLAGS='-MMD'
2187     speed_cflags='-O3'
2188     size_cflags='-Os'
2189     filter_asflags="filter_out -W${armcc_opt}*"
2190 elif $cc -version 2>/dev/null | grep -q TMS470; then
2191     cc_type=tms470
2192     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2193     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2194     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2195     CC_O='-fr=$(@D)'
2196     as_default="${cross_prefix}gcc"
2197     ld_default="${cross_prefix}gcc"
2198     TMPO=$(basename $TMPC .c).o
2199     append TMPFILES $TMPO
2200     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2201     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2202     AS_DEPFLAGS='-MMD'
2203     speed_cflags='-O3 -mf=5'
2204     size_cflags='-O3 -mf=2'
2205     filter_cflags=tms470_flags
2206     tms470_flags(){
2207         for flag; do
2208             case $flag in
2209                 -march=*|-mcpu=*)
2210                     case "${flag#*=}" in
2211                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2212                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2213                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2214                         armv6*|arm11*)          echo -mv=6   ;;
2215                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2216                                                 echo -mv=5e  ;;
2217                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2218                     esac
2219                     ;;
2220                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2221                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2222                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2223                 -msoft-float)   echo --float_support=vfplib       ;;
2224                 -O[0-3]|-mf=*)  echo $flag                        ;;
2225                 -g)             echo -g -mn                       ;;
2226                 -pds=*)         echo $flag                        ;;
2227             esac
2228         done
2229     }
2230 elif $cc -v 2>&1 | grep -q clang; then
2231     cc_type=clang
2232     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2233         cc_version=__clang_version__ || cc_version=__VERSION__
2234     cc_ident=$($cc --version | head -n1)
2235     CC_DEPFLAGS='-MMD'
2236     AS_DEPFLAGS='-MMD'
2237     speed_cflags='-O3'
2238     size_cflags='-Os'
2239 elif $cc -V 2>&1 | grep -q Sun; then
2240     cc_type=suncc
2241     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2242     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2243     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2244     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2245     add_ldflags -xc99
2246     speed_cflags='-O5'
2247     size_cflags='-O5 -xspace'
2248     filter_cflags=suncc_flags
2249     suncc_flags(){
2250         for flag; do
2251             case $flag in
2252                 -march=*|-mcpu=*)
2253                     case "${flag#*=}" in
2254                         native)                   echo -xtarget=native       ;;
2255                         v9|niagara)               echo -xarch=sparc          ;;
2256                         ultrasparc)               echo -xarch=sparcvis       ;;
2257                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2258                         i586|pentium)             echo -xchip=pentium        ;;
2259                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2260                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2261                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2262                         pentium4*)          echo -xtarget=pentium4           ;;
2263                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2264                         *-sse3)             echo -xarch=sse3                 ;;
2265                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2266                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2267                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2268                         k8|opteron|athlon64|athlon-fx)
2269                                                   echo -xarch=sse2a          ;;
2270                         athlon*)                  echo -xarch=pentium_proa   ;;
2271                     esac
2272                     ;;
2273                 -std=c99)             echo -xc99              ;;
2274                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2275                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2276                 -W*,*)                echo $flag              ;;
2277                 -f*-*|-W*)                                    ;;
2278                 *)                    echo $flag              ;;
2279             esac
2280         done
2281     }
2282 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2283     cc_type=pathscale
2284     cc_version=__PATHSCALE__
2285     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2286     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2287     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2288     speed_cflags='-O2'
2289     size_cflags='-Os'
2290     filter_cflags='filter_out -Wdisabled-optimization'
2291 elif $cc -v 2>&1 | grep -q Open64; then
2292     cc_type=open64
2293     cc_version=__OPEN64__
2294     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2295     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2296     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2297     speed_cflags='-O2'
2298     size_cflags='-Os'
2299     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2300 elif $cc -V 2>&1 | grep -q Portland; then
2301     cc_type=pgi
2302     cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2303     cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2304     opt_common='-alias=ansi -Mlre -Mpre'
2305     speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2306     size_cflags="-O2 -Munroll=c:1 $opt_common"
2307     noopt_cflags="-O1"
2308     filter_cflags=pgi_flags
2309     pgi_flags(){
2310         for flag; do
2311             case $flag in
2312                 -fomit-frame-pointer) echo -Mnoframe ;;
2313                 -g)                   echo -gopt ;;
2314                 *)                    echo $flag ;;
2315             esac
2316         done
2317     }
2318 fi
2319
2320 test -n "$cc_type" && enable $cc_type ||
2321     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2322
2323 : ${as_default:=$cc}
2324 : ${dep_cc_default:=$cc}
2325 : ${ld_default:=$cc}
2326 set_default ar as dep_cc ld
2327
2328 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2329 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2330 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2331
2332 add_cflags $extra_cflags
2333 add_cxxflags $extra_cxxflags
2334 add_asflags $extra_cflags
2335
2336 if test -n "$sysroot"; then
2337     case "$cc_type" in
2338         gcc|llvm_gcc|clang)
2339             add_cppflags --sysroot="$sysroot"
2340             add_ldflags --sysroot="$sysroot"
2341         ;;
2342         tms470)
2343             add_cppflags -I"$sysinclude"
2344             add_ldflags  --sysroot="$sysroot"
2345         ;;
2346     esac
2347 fi
2348
2349 if test "$cpu" = host; then
2350     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2351
2352     case "$cc_type" in
2353         gcc|llvm_gcc)
2354             check_native(){
2355                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2356                 sed -n "/cc1.*$1=/{
2357                             s/.*$1=\\([^ ]*\\).*/\\1/
2358                             p
2359                             q
2360                         }" $TMPE
2361             }
2362             cpu=$(check_native -march || check_native -mcpu)
2363         ;;
2364     esac
2365
2366     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2367 fi
2368
2369 # Deal with common $arch aliases
2370 case "$arch" in
2371     arm*|iPad*)
2372         arch="arm"
2373     ;;
2374     mips|mipsel|IP*)
2375         arch="mips"
2376     ;;
2377     mips64*)
2378         arch="mips"
2379         subarch="mips64"
2380     ;;
2381     parisc|hppa)
2382         arch="parisc"
2383     ;;
2384     parisc64|hppa64)
2385         arch="parisc"
2386         subarch="parisc64"
2387     ;;
2388     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2389         arch="ppc"
2390     ;;
2391     s390|s390x)
2392         arch="s390"
2393     ;;
2394     sh4|sh)
2395         arch="sh4"
2396     ;;
2397     sun4u|sparc64)
2398         arch="sparc"
2399         subarch="sparc64"
2400     ;;
2401     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2402         arch="x86"
2403     ;;
2404 esac
2405
2406 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2407 enable $arch
2408
2409 # Add processor-specific flags
2410 if test "$cpu" = generic; then
2411     : do nothing
2412 elif enabled ppc; then
2413
2414     case $(tolower $cpu) in
2415         601|ppc601|powerpc601)
2416             cpuflags="-mcpu=601"
2417             disable altivec
2418         ;;
2419         603*|ppc603*|powerpc603*)
2420             cpuflags="-mcpu=603"
2421             disable altivec
2422         ;;
2423         604*|ppc604*|powerpc604*)
2424             cpuflags="-mcpu=604"
2425             disable altivec
2426         ;;
2427         g3|75*|ppc75*|powerpc75*)
2428             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2429             disable altivec
2430         ;;
2431         g4|745*|ppc745*|powerpc745*)
2432             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2433         ;;
2434         74*|ppc74*|powerpc74*)
2435             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2436         ;;
2437         g5|970|ppc970|powerpc970)
2438             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2439         ;;
2440         power[3-7]*)
2441             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2442         ;;
2443         cell)
2444             cpuflags="-mcpu=cell"
2445             enable ldbrx
2446         ;;
2447         e500v2)
2448             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2449             disable altivec
2450         ;;
2451         e500)
2452             cpuflags="-mcpu=8540 -mhard-float"
2453             disable altivec
2454         ;;
2455     esac
2456
2457 elif enabled x86; then
2458
2459     case $cpu in
2460         i[345]86|pentium)
2461             cpuflags="-march=$cpu"
2462             disable mmx
2463         ;;
2464         # targets that do NOT support conditional mov (cmov)
2465         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2466             cpuflags="-march=$cpu"
2467             disable cmov
2468         ;;
2469         # targets that do support conditional mov (cmov)
2470         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2471             cpuflags="-march=$cpu"
2472             enable cmov
2473             enable fast_cmov
2474         ;;
2475         # targets that do support conditional mov but on which it's slow
2476         pentium4|pentium4m|prescott|nocona)
2477             cpuflags="-march=$cpu"
2478             enable cmov
2479             disable fast_cmov
2480         ;;
2481     esac
2482
2483 elif enabled sparc; then
2484
2485     case $cpu in
2486         niagara)
2487             cpuflags="-mcpu=$cpu"
2488             disable vis
2489         ;;
2490         sparc64)
2491             cpuflags="-mcpu=v9"
2492         ;;
2493     esac
2494
2495 elif enabled arm; then
2496
2497     case $cpu in
2498         armv*)
2499             cpuflags="-march=$cpu"
2500             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2501         ;;
2502         *)
2503             cpuflags="-mcpu=$cpu"
2504             case $cpu in
2505                 cortex-a*)                               subarch=armv7a  ;;
2506                 cortex-r*)                               subarch=armv7r  ;;
2507                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2508                 arm11*)                                  subarch=armv6   ;;
2509                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2510                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2511             esac
2512         ;;
2513     esac
2514
2515 elif enabled alpha; then
2516
2517     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2518
2519 elif enabled bfin; then
2520
2521     cpuflags="-mcpu=$cpu"
2522
2523 elif enabled mips; then
2524
2525     cpuflags="-march=$cpu"
2526
2527 elif enabled avr32; then
2528
2529     case $cpu in
2530         ap7[02]0[0-2])
2531             subarch="avr32_ap"
2532             cpuflags="-mpart=$cpu"
2533         ;;
2534         ap)
2535             subarch="avr32_ap"
2536             cpuflags="-march=$cpu"
2537         ;;
2538         uc3[ab]*)
2539             subarch="avr32_uc"
2540             cpuflags="-mcpu=$cpu"
2541         ;;
2542         uc)
2543             subarch="avr32_uc"
2544             cpuflags="-march=$cpu"
2545         ;;
2546     esac
2547
2548 fi
2549
2550 add_cflags $cpuflags
2551 add_asflags $cpuflags
2552
2553 # compiler sanity check
2554 check_exec <<EOF
2555 int main(void){ return 0; }
2556 EOF
2557 if test "$?" != 0; then
2558     echo "$cc is unable to create an executable file."
2559     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2560         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2561         echo "Only do this if you know what cross compiling means."
2562     fi
2563     die "C compiler test failed."
2564 fi
2565
2566 add_cppflags -D_ISOC99_SOURCE
2567 add_cxxflags -D__STDC_CONSTANT_MACROS
2568 check_cflags -std=c99
2569 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2570 #include <stdlib.h>
2571 EOF
2572 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2573 #include <stdlib.h>
2574 EOF
2575
2576 check_host_cflags -std=c99
2577 check_host_cflags -Wall
2578
2579 case "$arch" in
2580     alpha|ia64|mips|parisc|sparc)
2581         spic=$shared
2582     ;;
2583     x86)
2584         subarch="x86_32"
2585         check_cc <<EOF && subarch="x86_64"
2586         int test[(int)sizeof(char*) - 7];
2587 EOF
2588         if test "$subarch" = "x86_64"; then
2589             spic=$shared
2590         fi
2591     ;;
2592     ppc)
2593         check_cc <<EOF && subarch="ppc64"
2594         int test[(int)sizeof(char*) - 7];
2595 EOF
2596     ;;
2597 esac
2598
2599 enable $subarch
2600 enabled spic && enable pic
2601
2602 # OS specific
2603 case $target_os in
2604     haiku)
2605         prefix_default="/boot/common"
2606         network_extralibs="-lnetwork"
2607         host_libs=
2608         ;;
2609     sunos)
2610         FFSERVERLDFLAGS=""
2611         SHFLAGS='-shared -Wl,-h,$$(@F)'
2612         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2613         network_extralibs="-lsocket -lnsl"
2614         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2615         # When using suncc to build, the Solaris linker will mark
2616         # an executable with each instruction set encountered by
2617         # the Solaris assembler.  As our libraries contain their own
2618         # guards for processor-specific code, instead suppress
2619         # generation of the HWCAPS ELF section on Solaris x86 only.
2620         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2621         nm_opts='-P -g'
2622         ;;
2623     netbsd)
2624         disable symver
2625         oss_indev_extralibs="-lossaudio"
2626         oss_outdev_extralibs="-lossaudio"
2627         ;;
2628     openbsd)
2629         # On OpenBSD 4.5. the compiler does not use PIC unless
2630         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2631         # however the generated executable will not do anything
2632         # (simply quits with exit-code 1, no crash, no output).
2633         # Thus explicitly enable PIC here.
2634         enable pic
2635         disable symver
2636         SHFLAGS='-shared'
2637         oss_indev_extralibs="-lossaudio"
2638         oss_outdev_extralibs="-lossaudio"
2639         ;;
2640     dragonfly)
2641         disable symver
2642         ;;
2643     freebsd)
2644         ;;
2645     bsd/os)
2646         add_extralibs -lpoll -lgnugetopt
2647         strip="strip -d"
2648         ;;
2649     darwin)
2650         gas="gas-preprocessor.pl $cc"
2651         enabled ppc && add_asflags -force_cpusubtype_ALL
2652         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2653         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2654         strip="${strip} -x"
2655         add_ldflags -Wl,-dynamic,-search_paths_first
2656         SLIBSUF=".dylib"
2657         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2658         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2659         FFSERVERLDFLAGS=-Wl,-bind_at_load
2660         objformat="macho"
2661         enabled x86_64 && objformat="macho64"
2662         enabled_any pic shared ||
2663             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2664         ;;
2665     mingw32*)
2666         if test $target_os = "mingw32ce"; then
2667             disable network
2668         else
2669             target_os=mingw32
2670         fi
2671         LIBTARGET=i386
2672         if enabled x86_64; then
2673             LIBTARGET=x64
2674         elif enabled arm; then
2675             LIBTARGET=arm-wince
2676         fi
2677         shlibdir_default="$bindir_default"
2678         SLIBPREF=""
2679         SLIBSUF=".dll"
2680         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2681         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2682         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2683         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2684         SLIB_INSTALL_LINKS=
2685         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2686         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2687         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'
2688         objformat="win32"
2689         enable dos_paths
2690         check_cflags -fno-common
2691         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2692                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2693                 die "ERROR: MinGW runtime version must be >= 3.15."
2694         add_cppflags -U__STRICT_ANSI__
2695         ;;
2696     cygwin*)
2697         target_os=cygwin
2698         shlibdir_default="$bindir_default"
2699         SLIBPREF="cyg"
2700         SLIBSUF=".dll"
2701         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2702         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2703         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2704         objformat="win32"
2705         enable dos_paths
2706         check_cflags -fno-common
2707         add_cppflags -U__STRICT_ANSI__
2708         ;;
2709     *-dos|freedos|opendos)
2710         network_extralibs="-lsocket"
2711         objformat="coff"
2712         enable dos_paths
2713         add_cppflags -U__STRICT_ANSI__
2714         ;;
2715     linux)
2716         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2717         enable dv1394
2718         ;;
2719     irix*)
2720         target_os=irix
2721         ranlib="echo ignoring ranlib"
2722         ;;
2723     os/2*)
2724         strip="lxlite -CS"
2725         ln_s="cp -f"
2726         objformat="aout"
2727         add_cppflags -D_GNU_SOURCE
2728         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2729         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2730         FFSERVERLDFLAGS=""
2731         LIBSUF="_s.a"
2732         SLIBPREF=""
2733         SLIBSUF=".dll"
2734         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2735         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2736         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2737           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2738           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2739           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2740           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2741           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2742         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2743           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2744         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2745         enable dos_paths
2746         enable_weak os2threads
2747         ;;
2748     gnu/kfreebsd)
2749         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2750         ;;
2751     gnu)
2752         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2753         ;;
2754     qnx)
2755         add_cppflags -D_QNX_SOURCE
2756         network_extralibs="-lsocket"
2757         ;;
2758     symbian)
2759         SLIBSUF=".dll"
2760         enable dos_paths
2761         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2762         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2763         add_ldflags -Wl,--target1-abs,--no-undefined \
2764                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2765                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2766         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2767                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2768                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2769         ;;
2770     none)
2771         ;;
2772     *)
2773         die "Unknown OS '$target_os'."
2774         ;;
2775 esac
2776
2777 esc(){
2778     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2779 }
2780
2781 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
2782
2783 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2784
2785 set_default $PATHS_LIST
2786
2787 # we need to build at least one lib type
2788 if ! enabled_any static shared; then
2789     cat <<EOF
2790 At least one library type must be built.
2791 Specify --enable-static to build the static libraries or --enable-shared to
2792 build the shared libraries as well. To only build the shared libraries specify
2793 --disable-static in addition to --enable-shared.
2794 EOF
2795     exit 1;
2796 fi
2797
2798 die_license_disabled() {
2799     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2800 }
2801
2802 die_license_disabled_gpl() {
2803     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
2804 }
2805
2806 die_license_disabled gpl libcdio
2807 die_license_disabled gpl libutvideo
2808 die_license_disabled gpl libx264
2809 die_license_disabled gpl libxavs
2810 die_license_disabled gpl libxvid
2811 die_license_disabled gpl x11grab
2812
2813 die_license_disabled nonfree libaacplus
2814 die_license_disabled nonfree libfaac
2815 enabled gpl && die_license_disabled_gpl nonfree openssl
2816
2817 die_license_disabled version3 libopencore_amrnb
2818 die_license_disabled version3 libopencore_amrwb
2819 die_license_disabled version3 libvo_aacenc
2820 die_license_disabled version3 libvo_amrwbenc
2821
2822 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2823
2824 disabled optimizations || check_cflags -fomit-frame-pointer
2825
2826 enable_pic() {
2827     enable pic
2828     add_cppflags -DPIC
2829     add_cflags   -fPIC
2830     add_asflags  -fPIC
2831 }
2832
2833 enabled pic && enable_pic
2834
2835 check_cc <<EOF || die "Symbol mangling check failed."
2836 int ff_extern;
2837 EOF
2838 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2839 extern_prefix=${sym%%ff_extern*}
2840
2841 check_cc <<EOF && enable inline_asm
2842 void foo(void) { __asm__ volatile ("" ::); }
2843 EOF
2844
2845 _restrict=
2846 for restrict_keyword in restrict __restrict__ __restrict; do
2847     check_cc <<EOF && _restrict=$restrict_keyword && break
2848 void foo(char * $restrict_keyword p);
2849 EOF
2850 done
2851
2852 check_cc <<EOF && enable attribute_packed
2853 struct { int x; } __attribute__((packed)) x;
2854 EOF
2855
2856 check_cc <<EOF && enable attribute_may_alias
2857 union { int x; } __attribute__((may_alias)) x;
2858 EOF
2859
2860 check_cc <<EOF || die "endian test failed"
2861 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2862 EOF
2863 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2864
2865 if enabled alpha; then
2866
2867     check_cflags -mieee
2868
2869 elif enabled arm; then
2870
2871     enabled thumb && check_cflags -mthumb || check_cflags -marm
2872     nogas=die
2873
2874     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2875         enable vfp_args
2876     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2877         case "${cross_prefix:-$cc}" in
2878             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2879             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2880 __asm__ (".eabi_attribute 28, 1");
2881 int main(void) { return 0; }
2882 EOF
2883         esac
2884         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2885     fi
2886
2887     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2888     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2889     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2890     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2891     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2892     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2893
2894     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2895
2896     enabled_all armv6t2 shared !pic && enable_pic
2897
2898 elif enabled mips; then
2899
2900     check_asm loongson '"dmult.g $1, $2, $3"'
2901     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2902
2903 elif enabled ppc; then
2904
2905     enable local_aligned_8 local_aligned_16
2906
2907     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
2908     check_asm ibm_asm   '"add 0, 0, 0"'
2909     check_asm ppc4xx    '"maclhw r10, r11, r12"'
2910     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
2911
2912     # AltiVec flags: The FSF version of GCC differs from the Apple version
2913     if enabled altivec; then
2914         nogas=warn
2915         check_cflags -maltivec -mabi=altivec &&
2916         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
2917         check_cflags -faltivec
2918
2919         # check if our compiler supports Motorola AltiVec C API
2920         check_cc <<EOF || disable altivec
2921 $inc_altivec_h
2922 int main(void) {
2923     vector signed int v1, v2, v3;
2924     v1 = vec_add(v2,v3);
2925     return 0;
2926 }
2927 EOF
2928
2929         # check if our compiler supports braces for vector declarations
2930         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
2931 $inc_altivec_h
2932 int main (void) { (vector int) {1}; return 0; }
2933 EOF
2934     fi
2935
2936 elif enabled sparc; then
2937
2938     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
2939         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
2940
2941 elif enabled x86; then
2942
2943     enable local_aligned_8 local_aligned_16
2944
2945     # check whether EBP is available on x86
2946     # As 'i' is stored on the stack, this program will crash
2947     # if the base pointer is used to access it because the
2948     # base pointer is cleared in the inline assembly code.
2949     check_exec_crash <<EOF && enable ebp_available
2950     volatile int i=0;
2951     __asm__ volatile (
2952         "xorl %%ebp, %%ebp"
2953     ::: "%ebp");
2954     return i;
2955 EOF
2956
2957     # check whether EBX is available on x86
2958     check_asm ebx_available '""::"b"(0)' &&
2959         check_asm ebx_available '"":::"%ebx"'
2960
2961     # check whether xmm clobbers are supported
2962     check_asm xmm_clobbers '"":::"%xmm0"'
2963
2964     # check whether binutils is new enough to compile SSSE3/MMX2
2965     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
2966     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
2967
2968     if ! disabled_any asm mmx yasm; then
2969         if check_cmd $yasmexe --version; then
2970             enabled x86_64 && yasm_extra="-m amd64"
2971             yasm_debug="-g dwarf2"
2972         elif check_cmd nasm -v; then
2973             yasmexe=nasm
2974             yasm_debug="-g -F dwarf"
2975             enabled x86_64 && test "$objformat" = elf && objformat=elf64
2976         fi
2977
2978         YASMFLAGS="-f $objformat $yasm_extra"
2979         enabled pic               && append YASMFLAGS "-DPIC"
2980         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
2981         case "$objformat" in
2982             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
2983         esac
2984
2985         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
2986             die "yasm not found, use --disable-yasm for a crippled build"
2987         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
2988     fi
2989
2990     case "$cpu" in
2991         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
2992             disable fast_clz
2993         ;;
2994     esac
2995
2996 fi
2997
2998 if enabled asm; then
2999     as=${gas:=$as}
3000     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3001         $nogas "GNU assembler not found, install gas-preprocessor"
3002 fi
3003
3004 check_ldflags -Wl,--as-needed
3005
3006 if check_func dlopen; then
3007     ldl=
3008 elif check_func dlopen -ldl; then
3009     ldl=-ldl
3010 fi
3011
3012 if enabled network; then
3013     check_type "sys/types.h sys/socket.h" socklen_t
3014     check_type netdb.h "struct addrinfo"
3015     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3016     check_type netinet/in.h "struct sockaddr_in6"
3017     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3018     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3019     check_header netinet/sctp.h
3020     # Prefer arpa/inet.h over winsock2
3021     if check_header arpa/inet.h ; then
3022         check_func closesocket
3023     elif check_header winsock2.h ; then
3024         check_func_headers winsock2.h closesocket -lws2 && \
3025             network_extralibs="-lws2" || \
3026         { check_func_headers winsock2.h closesocket -lws2_32 && \
3027             network_extralibs="-lws2_32"; }
3028         check_type ws2tcpip.h socklen_t
3029         check_type ws2tcpip.h "struct addrinfo"
3030         check_type ws2tcpip.h "struct ipv6_mreq"
3031         check_type ws2tcpip.h "struct sockaddr_in6"
3032         check_type ws2tcpip.h "struct sockaddr_storage"
3033         check_struct winsock2.h "struct sockaddr" sa_len
3034     else
3035         disable network
3036     fi
3037 fi
3038
3039 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3040 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3041
3042 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3043 check_func  fcntl
3044 check_func  fork
3045 check_func  getaddrinfo $network_extralibs
3046 check_func  gethrtime
3047 check_func  getrusage
3048 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3049 check_func  inet_aton $network_extralibs
3050 check_func  isatty
3051 check_func  localtime_r
3052 check_func  ${malloc_prefix}memalign            && enable memalign
3053 check_func  mkstemp
3054 check_func  mmap
3055 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3056 check_func  setrlimit
3057 check_func  strerror_r
3058 check_func  strptime
3059 check_func  sched_getaffinity
3060 check_func  sysconf
3061 check_func  sysctl
3062 check_func_headers conio.h kbhit
3063 check_func_headers windows.h PeekNamedPipe
3064 check_func_headers io.h setmode
3065 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3066 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3067 check_func_headers windows.h GetProcessAffinityMask
3068 check_func_headers windows.h GetProcessTimes
3069 check_func_headers windows.h MapViewOfFile
3070 check_func_headers windows.h VirtualAlloc
3071 check_func_headers glob.h glob
3072
3073 check_header dlfcn.h
3074 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3075 check_header libcrystalhd/libcrystalhd_if.h
3076 check_header malloc.h
3077 check_header poll.h
3078 check_header sys/mman.h
3079 check_header sys/param.h
3080 check_header sys/resource.h
3081 check_header sys/select.h
3082 check_header termios.h
3083 check_header vdpau/vdpau.h
3084 check_header vdpau/vdpau_x11.h
3085 check_header X11/extensions/XvMClib.h
3086 check_header asm/types.h
3087
3088 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3089 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3090
3091 # check for VDA header
3092 if ! disabled vda; then
3093     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3094         enable vda
3095         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3096     fi
3097 fi
3098
3099 if ! disabled w32threads && ! enabled pthreads; then
3100     check_func _beginthreadex && enable w32threads
3101 fi
3102
3103 # check for some common methods of building with pthread support
3104 # do this before the optional library checks as some of them require pthreads
3105 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3106     enable pthreads
3107     if check_func pthread_create; then
3108         :
3109     elif check_func pthread_create -pthread; then
3110         add_cflags -pthread
3111         add_extralibs -pthread
3112     elif check_func pthread_create -pthreads; then
3113         add_cflags -pthreads
3114         add_extralibs -pthreads
3115     elif check_func pthread_create -lpthreadGC2; then
3116         add_extralibs -lpthreadGC2
3117     elif ! check_lib pthread.h pthread_create -lpthread; then
3118         disable pthreads
3119     fi
3120 fi
3121
3122 for thread in $THREADS_LIST; do
3123     if enabled $thread; then
3124         test -n "$thread_type" &&
3125             die "ERROR: Only one thread type must be selected." ||
3126             thread_type="$thread"
3127     fi
3128 done
3129
3130 if enabled pthreads; then
3131   check_func pthread_cancel
3132 fi
3133
3134 check_lib math.h sin -lm && LIBM="-lm"
3135 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3136 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3137
3138 check_mathfunc cbrtf
3139 check_mathfunc exp2
3140 check_mathfunc exp2f
3141 check_mathfunc llrint
3142 check_mathfunc llrintf
3143 check_mathfunc log2
3144 check_mathfunc log2f
3145 check_mathfunc lrint
3146 check_mathfunc lrintf
3147 check_mathfunc round
3148 check_mathfunc roundf
3149 check_mathfunc trunc
3150 check_mathfunc truncf
3151
3152 # these are off by default, so fail if requested and not available
3153 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3154 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3155 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3156 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3157 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3158 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3159 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3160 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3161                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3162                         die "ERROR: libcelt version must be >= 0.11.0."; }
3163 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3164 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3165 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3166 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3167 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3168 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3169 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3170 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3171 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3172 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3173 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3174 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3175 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3176 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3177 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3178     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3179     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3180 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3181 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3182 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3183 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3184 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3185 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3186 enabled libvpx     && {
3187     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3188                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3189     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
3190                                 die "ERROR: libvpx encoder version must be >=0.9.6"; } }
3191 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3192                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3193                         die "ERROR: libx264 version must be >= 0.118."; }
3194 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3195 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3196 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3197                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3198                         die "ERROR: openal not found"; } &&
3199                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3200                         die "ERROR: openal version must be 1.1 or compatible"; }
3201 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3202                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3203                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3204                         die "ERROR: openssl not found"; }
3205
3206 # libdc1394 check
3207 if enabled libdc1394; then
3208     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3209         enable libdc1394_2; } ||
3210     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3211         enable libdc1394_1; } ||
3212     die "ERROR: No version of libdc1394 found "
3213 fi
3214
3215 SDL_CONFIG="${cross_prefix}sdl-config"
3216 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3217     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3218     enable sdl &&
3219     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3220 else
3221   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3222     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3223     sdl_libs=$("${SDL_CONFIG}" --libs)
3224     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3225     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3226     enable sdl &&
3227     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3228   fi
3229 fi
3230 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3231
3232 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3233 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3234
3235 check_header linux/fb.h
3236 check_header linux/videodev.h
3237 check_header linux/videodev2.h
3238 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3239
3240 check_header sys/videoio.h
3241
3242 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3243 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3244 # w32api 3.12 had it defined wrong
3245 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3246
3247 check_type "dshow.h" IBaseFilter
3248
3249 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3250 { check_header dev/bktr/ioctl_meteor.h &&
3251   check_header dev/bktr/ioctl_bt848.h; } ||
3252 { check_header machine/ioctl_meteor.h &&
3253   check_header machine/ioctl_bt848.h; } ||
3254 { check_header dev/video/meteor/ioctl_meteor.h &&
3255   check_header dev/video/bktr/ioctl_bt848.h; } ||
3256 check_header dev/ic/bt8xx.h
3257
3258 check_header sndio.h
3259 if check_struct sys/soundcard.h audio_buf_info bytes; then
3260     enable_safe sys/soundcard.h
3261 else
3262     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3263     #include <sys/soundcard.h>
3264     audio_buf_info abc;
3265 EOF
3266 fi
3267 check_header soundcard.h
3268
3269 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3270
3271 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait
3272
3273 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3274
3275 enabled libcdio &&
3276     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3277
3278 enabled x11grab                                           &&
3279 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3280 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3281 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3282
3283 if ! disabled vaapi; then
3284     check_lib va/va.h vaInitialize -lva && {
3285         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3286         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3287     } || disable vaapi
3288 fi
3289
3290 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3291 check_cpp_condition \
3292     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3293     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3294       disable vdpau; }
3295 fi
3296
3297 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3298 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3299 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"
3300
3301 # add some useful compiler flags if supported
3302 check_cflags -Wdeclaration-after-statement
3303 check_cflags -Wall
3304 check_cflags -Wno-parentheses
3305 check_cflags -Wno-switch
3306 check_cflags -Wno-format-zero-length
3307 check_cflags -Wdisabled-optimization
3308 check_cflags -Wpointer-arith
3309 check_cflags -Wredundant-decls
3310 check_cflags -Wno-pointer-sign
3311 check_cflags -Wwrite-strings
3312 check_cflags -Wtype-limits
3313 check_cflags -Wundef
3314 check_cflags -Wmissing-prototypes
3315 check_cflags -Wno-pointer-to-int-cast
3316 check_cflags -Wstrict-prototypes
3317 enabled extra_warnings && check_cflags -Winline
3318
3319 # add some linker flags
3320 check_ldflags -Wl,--warn-common
3321 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3322 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3323
3324 enabled xmm_clobber_test &&                             \
3325     check_ldflags -Wl,--wrap,avcodec_open2              \
3326                   -Wl,--wrap,avcodec_decode_audio4      \
3327                   -Wl,--wrap,avcodec_decode_video2      \
3328                   -Wl,--wrap,avcodec_decode_subtitle2   \
3329                   -Wl,--wrap,avcodec_encode_audio2      \
3330                   -Wl,--wrap,avcodec_encode_video       \
3331                   -Wl,--wrap,avcodec_encode_subtitle    \
3332                   -Wl,--wrap,sws_scale ||               \
3333     disable xmm_clobber_test
3334
3335 echo "X{};" > $TMPV
3336 if test_ldflags -Wl,--version-script,$TMPV; then
3337     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3338     check_cc <<EOF && enable symver_asm_label
3339 void ff_foo(void) __asm__ ("av_foo@VERSION");
3340 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3341 EOF
3342     check_cc <<EOF && enable symver_gnu_asm
3343 __asm__(".symver ff_foo,av_foo@VERSION");
3344 void ff_foo(void) {}
3345 EOF
3346 fi
3347
3348 if [ -n "$optflags" ]; then
3349     add_cflags $optflags
3350 elif enabled small; then
3351     add_cflags $size_cflags
3352 elif enabled optimizations; then
3353     add_cflags $speed_cflags
3354 else
3355     add_cflags $noopt_cflags
3356 fi
3357 check_cflags -fno-math-errno
3358 check_cflags -fno-signed-zeros
3359 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3360 int x;
3361 EOF
3362
3363
3364 if enabled icc; then
3365     # Just warnings, no remarks
3366     check_cflags -w1
3367     # -wd: Disable following warnings
3368     # 144, 167, 556: -Wno-pointer-sign
3369     # 1292: attribute "foo" ignored
3370     # 1419: external declaration in primary source file
3371     # 10006: ignoring unknown option -fno-signed-zeros
3372     # 10148: ignoring unknown option -Wno-parentheses
3373     # 10156: ignoring option '-W'; no argument required
3374     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3375     # 11030: Warning unknown option --as-needed
3376     # 10156: ignoring option '-export'; no argument required
3377     check_ldflags -wd10156,11030
3378     # Allow to compile with optimizations
3379     check_ldflags -march=$cpu
3380     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3381     enable ebp_available
3382     if enabled x86_32; then
3383         test ${icc_version%%.*} -ge 11 && \
3384             check_cflags -falign-stack=maintain-16-byte || \
3385             disable aligned_stack
3386     fi
3387 elif enabled ccc; then
3388     # disable some annoying warnings
3389     add_cflags -msg_disable cvtu32to64
3390     add_cflags -msg_disable embedcomment
3391     add_cflags -msg_disable needconstext
3392     add_cflags -msg_disable nomainieee
3393     add_cflags -msg_disable ptrmismatch1
3394     add_cflags -msg_disable unreachcode
3395 elif enabled gcc; then
3396     check_cflags -fno-tree-vectorize
3397     check_cflags -Werror=implicit-function-declaration
3398     check_cflags -Werror=missing-prototypes
3399 elif enabled llvm_gcc; then
3400     check_cflags -mllvm -stack-alignment=16
3401 elif enabled clang; then
3402     check_cflags -mllvm -stack-alignment=16
3403     check_cflags -Qunused-arguments
3404 elif enabled armcc; then
3405     # 2523: use of inline assembler is deprecated
3406     add_cflags -W${armcc_opt},--diag_suppress=2523
3407     add_cflags -W${armcc_opt},--diag_suppress=1207
3408     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3409     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3410     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3411     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3412 elif enabled tms470; then
3413     add_cflags -pds=824 -pds=837
3414 elif enabled pathscale; then
3415     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3416 fi
3417
3418 enabled_any $THREADS_LIST      && enable threads
3419
3420 check_deps $CONFIG_LIST       \
3421            $CONFIG_EXTRA      \
3422            $HAVE_LIST         \
3423            $ALL_COMPONENTS    \
3424            $ALL_TESTS         \
3425
3426 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3427
3428 if test $target_os = "haiku"; then
3429     disable memalign
3430     disable posix_memalign
3431 fi
3432
3433 ! enabled_any memalign posix_memalign &&
3434     enabled_any $need_memalign && enable memalign_hack
3435
3436 # add_dep lib dep
3437 # -> enable ${lib}_deps_${dep}
3438 # -> add $dep to ${lib}_deps only once
3439 add_dep() {
3440     lib=$1
3441     dep=$2
3442     enabled "${lib}_deps_${dep}" && return 0
3443     enable  "${lib}_deps_${dep}"
3444     prepend "${lib}_deps" $dep
3445 }
3446
3447 # merge deps lib components
3448 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3449 merge_deps() {
3450     lib=$1
3451     shift
3452     for comp in $*; do
3453         enabled $comp || continue
3454         eval "dep=\"\$${comp}_deps\""
3455         for d in $dep; do
3456             add_dep $lib $d
3457         done
3458     done
3459 }
3460
3461 merge_deps libavfilter $FILTER_LIST
3462
3463 echo "install prefix            $prefix"
3464 echo "source path               $source_path"
3465 echo "C compiler                $cc"
3466 echo "ARCH                      $arch ($cpu)"
3467 if test "$build_suffix" != ""; then
3468     echo "build suffix              $build_suffix"
3469 fi
3470 if test "$progs_suffix" != ""; then
3471     echo "progs suffix              $progs_suffix"
3472 fi
3473 if test "$extra_version" != ""; then
3474     echo "version string suffix     $extra_version"
3475 fi
3476 echo "big-endian                ${bigendian-no}"
3477 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3478 if enabled x86; then
3479     echo "${yasmexe}                      ${yasm-no}"
3480     echo "MMX enabled               ${mmx-no}"
3481     echo "MMX2 enabled              ${mmx2-no}"
3482     echo "3DNow! enabled            ${amd3dnow-no}"
3483     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3484     echo "SSE enabled               ${sse-no}"
3485     echo "SSSE3 enabled             ${ssse3-no}"
3486     echo "AVX enabled               ${avx-no}"
3487     echo "CMOV enabled              ${cmov-no}"
3488     echo "CMOV is fast              ${fast_cmov-no}"
3489     echo "EBX available             ${ebx_available-no}"
3490     echo "EBP available             ${ebp_available-no}"
3491 fi
3492 if enabled arm; then
3493     echo "ARMv5TE enabled           ${armv5te-no}"
3494     echo "ARMv6 enabled             ${armv6-no}"
3495     echo "ARMv6T2 enabled           ${armv6t2-no}"
3496     echo "ARM VFP enabled           ${armvfp-no}"
3497     echo "NEON enabled              ${neon-no}"
3498 fi
3499 if enabled mips; then
3500     echo "MMI enabled               ${mmi-no}"
3501 fi
3502 if enabled ppc; then
3503     echo "AltiVec enabled           ${altivec-no}"
3504     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3505     echo "dcbzl available           ${dcbzl-no}"
3506 fi
3507 if enabled sparc; then
3508     echo "VIS enabled               ${vis-no}"
3509 fi
3510 echo "debug symbols             ${debug-no}"
3511 echo "strip symbols             ${stripping-no}"
3512 echo "optimize for size         ${small-no}"
3513 echo "optimizations             ${optimizations-no}"
3514 echo "static                    ${static-no}"
3515 echo "shared                    ${shared-no}"
3516 echo "postprocessing support    ${postproc-no}"
3517 echo "new filter support        ${avfilter-no}"
3518 echo "network support           ${network-no}"
3519 echo "threading support         ${thread_type-no}"
3520 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3521 echo "SDL support               ${sdl-no}"
3522 echo "libdxva2 enabled          ${dxva2-no}"
3523 echo "libva enabled             ${vaapi-no}"
3524 echo "libvdpau enabled          ${vdpau-no}"
3525 echo "AVISynth enabled          ${avisynth-no}"
3526 echo "frei0r enabled            ${frei0r-no}"
3527 echo "gnutls enabled            ${gnutls-no}"
3528 echo "libaacplus enabled        ${libaacplus-no}"
3529 echo "libass enabled            ${libass-no}"
3530 echo "libcdio support           ${libcdio-no}"
3531 echo "libcelt enabled           ${libcelt-no}"
3532 echo "libdc1394 support         ${libdc1394-no}"
3533 echo "libfaac enabled           ${libfaac-no}"
3534 echo "libgsm enabled            ${libgsm-no}"
3535 echo "libmodplug enabled        ${libmodplug-no}"
3536 echo "libmp3lame enabled        ${libmp3lame-no}"
3537 echo "libnut enabled            ${libnut-no}"
3538 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3539 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3540 echo "libopencv support         ${libopencv-no}"
3541 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3542 echo "libpulse enabled          ${libpulse-no}"
3543 echo "librtmp enabled           ${librtmp-no}"
3544 echo "libschroedinger enabled   ${libschroedinger-no}"
3545 echo "libspeex enabled          ${libspeex-no}"
3546 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3547 echo "libtheora enabled         ${libtheora-no}"
3548 echo "libutvideo enabled        ${libutvideo-no}"
3549 echo "libv4l2 enabled           ${libv4l2-no}"
3550 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3551 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3552 echo "libvorbis enabled         ${libvorbis-no}"
3553 echo "libvpx enabled            ${libvpx-no}"
3554 echo "libx264 enabled           ${libx264-no}"
3555 echo "libxavs enabled           ${libxavs-no}"
3556 echo "libxvid enabled           ${libxvid-no}"
3557 echo "openal enabled            ${openal-no}"
3558 echo "openssl enabled           ${openssl-no}"
3559 echo "zlib enabled              ${zlib-no}"
3560 echo "bzlib enabled             ${bzlib-no}"
3561 echo
3562
3563 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3564     echo "Enabled ${type}s:"
3565     eval list=\$$(toupper $type)_LIST
3566     print_enabled '_*' $list | sort | pr -r -3 -t
3567     echo
3568 done
3569
3570 license="LGPL version 2.1 or later"
3571 if enabled nonfree; then
3572     license="nonfree and unredistributable"
3573 elif enabled gplv3; then
3574     license="GPL version 3 or later"
3575 elif enabled lgplv3; then
3576     license="LGPL version 3 or later"
3577 elif enabled gpl; then
3578     license="GPL version 2 or later"
3579 fi
3580
3581 echo "License: $license"
3582
3583 echo "Creating config.mak and config.h..."
3584
3585 test -e Makefile || $ln_s "$source_path/Makefile" .
3586
3587 enabled stripping || strip="echo skipping strip"
3588
3589 config_files="$TMPH config.mak"
3590
3591 cat > config.mak <<EOF
3592 # Automatically generated by configure - do not modify!
3593 ifndef FFMPEG_CONFIG_MAK
3594 FFMPEG_CONFIG_MAK=1
3595 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3596 prefix=$prefix
3597 LIBDIR=\$(DESTDIR)$libdir
3598 SHLIBDIR=\$(DESTDIR)$shlibdir
3599 INCDIR=\$(DESTDIR)$incdir
3600 BINDIR=\$(DESTDIR)$bindir
3601 DATADIR=\$(DESTDIR)$datadir
3602 MANDIR=\$(DESTDIR)$mandir
3603 SRC_PATH=$source_path
3604 ifndef MAIN_MAKEFILE
3605 SRC_PATH:=\$(SRC_PATH:.%=..%)
3606 endif
3607 CC_IDENT=$cc_ident
3608 ARCH=$arch
3609 CC=$cc
3610 CXX=$cxx
3611 AS=$as
3612 LD=$ld
3613 DEPCC=$dep_cc
3614 YASM=$yasmexe
3615 YASMDEP=$yasmexe
3616 AR=$ar
3617 RANLIB=$ranlib
3618 CP=cp -p
3619 LN_S=$ln_s
3620 STRIP=$strip
3621 CPPFLAGS=$CPPFLAGS
3622 CFLAGS=$CFLAGS
3623 CXXFLAGS=$CXXFLAGS
3624 ASFLAGS=$ASFLAGS
3625 AS_O=$CC_O
3626 CC_O=$CC_O
3627 CXX_O=$CXX_O
3628 LDFLAGS=$LDFLAGS
3629 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3630 SHFLAGS=$SHFLAGS
3631 YASMFLAGS=$YASMFLAGS
3632 BUILDSUF=$build_suffix
3633 PROGSSUF=$progs_suffix
3634 FULLNAME=$FULLNAME
3635 LIBPREF=$LIBPREF
3636 LIBSUF=$LIBSUF
3637 LIBNAME=$LIBNAME
3638 SLIBPREF=$SLIBPREF
3639 SLIBSUF=$SLIBSUF
3640 EXESUF=$EXESUF
3641 EXTRA_VERSION=$extra_version
3642 DEPFLAGS=$DEPFLAGS
3643 CCDEP=$CCDEP
3644 CXXDEP=$CXXDEP
3645 ASDEP=$ASDEP
3646 CC_DEPFLAGS=$CC_DEPFLAGS
3647 AS_DEPFLAGS=$AS_DEPFLAGS
3648 HOSTCC=$host_cc
3649 HOSTCFLAGS=$host_cflags
3650 HOSTEXESUF=$HOSTEXESUF
3651 HOSTLDFLAGS=$host_ldflags
3652 HOSTLIBS=$host_libs
3653 TARGET_EXEC=$target_exec
3654 TARGET_PATH=$target_path
3655 SDL_LIBS=$sdl_libs
3656 SDL_CFLAGS=$sdl_cflags
3657 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3658 EXTRALIBS=$extralibs
3659 INSTALL=$install
3660 LIBTARGET=${LIBTARGET}
3661 SLIBNAME=${SLIBNAME}
3662 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3663 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3664 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3665 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3666 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3667 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3668 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3669 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3670 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3671 NOREDZONE_FLAGS=$noredzone_flags
3672 EOF
3673
3674 get_version(){
3675     name=$1
3676     file=$source_path/$2
3677 # This condition will be removed when we stop supporting old libpostproc versions
3678 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3679     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3680     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3681 fi
3682     lcname=$(tolower $name)
3683     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3684     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3685 }
3686
3687 get_version LIBAVCODEC  libavcodec/version.h
3688 get_version LIBAVDEVICE libavdevice/avdevice.h
3689 get_version LIBAVFILTER libavfilter/version.h
3690 get_version LIBAVFORMAT libavformat/version.h
3691 get_version LIBAVRESAMPLE libavresample/version.h
3692 get_version LIBAVUTIL   libavutil/avutil.h
3693 get_version LIBPOSTPROC libpostproc/postprocess.h
3694 get_version LIBSWRESAMPLE libswresample/swresample.h
3695 get_version LIBSWSCALE  libswscale/swscale.h
3696
3697 cat > $TMPH <<EOF
3698 /* Automatically generated by configure - do not modify! */
3699 #ifndef FFMPEG_CONFIG_H
3700 #define FFMPEG_CONFIG_H
3701 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3702 #define FFMPEG_LICENSE "$(c_escape $license)"
3703 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3704 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3705 #define CC_TYPE "$cc_type"
3706 #define CC_VERSION $cc_version
3707 #define restrict $_restrict
3708 #define EXTERN_PREFIX "${extern_prefix}"
3709 #define EXTERN_ASM ${extern_prefix}
3710 #define SLIBSUF "$SLIBSUF"
3711 EOF
3712
3713 test -n "$assert_level" &&
3714     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
3715
3716 test -n "$malloc_prefix" &&
3717     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3718
3719 if enabled small || disabled optimizations; then
3720     echo "#undef  av_always_inline"  >> $TMPH
3721     if enabled small; then
3722         echo "#define av_always_inline inline"  >> $TMPH
3723     else
3724         echo "#define av_always_inline av_unused"  >> $TMPH
3725     fi
3726 fi
3727
3728 if enabled yasm; then
3729     append config_files $TMPASM
3730     printf '' >$TMPASM
3731 fi
3732
3733 print_config ARCH_   "$config_files" $ARCH_LIST
3734 print_config HAVE_   "$config_files" $HAVE_LIST
3735 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3736                                      $CONFIG_EXTRA      \
3737                                      $ALL_COMPONENTS    \
3738
3739 cat >>config.mak <<EOF
3740 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3741 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3742 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3743 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3744 EOF
3745
3746 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3747 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3748
3749 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3750 cp_if_changed $TMPH config.h
3751 touch .config
3752
3753 enabled yasm && cp_if_changed $TMPASM config.asm
3754
3755 cat > $TMPH <<EOF
3756 /* Generated by ffconf */
3757 #ifndef AVUTIL_AVCONFIG_H
3758 #define AVUTIL_AVCONFIG_H
3759 EOF
3760
3761 test "$postproc_version" != current && cat >> $TMPH <<EOF
3762 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3763 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3764 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3765 EOF
3766
3767 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3768
3769 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3770
3771 cp_if_changed $TMPH libavutil/avconfig.h
3772
3773 test -n "$WARNINGS" && printf "\n$WARNINGS"
3774
3775 # build pkg-config files
3776
3777 pkgconfig_generate(){
3778 name=$1
3779 shortname=${name#lib}${build_suffix}
3780 comment=$2
3781 version=$3
3782 libs=$4
3783 requires=$5
3784 enabled ${name#lib} || return 0
3785 mkdir -p $name
3786 cat <<EOF > $name/$name.pc
3787 prefix=$prefix
3788 exec_prefix=\${prefix}
3789 libdir=$libdir
3790 includedir=$incdir
3791
3792 Name: $name
3793 Description: $comment
3794 Version: $version
3795 Requires: $(enabled shared || echo $requires)
3796 Requires.private: $(enabled shared && echo $requires)
3797 Conflicts:
3798 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3799 Libs.private: $(enabled shared && echo $libs)
3800 Cflags: -I\${includedir}
3801 EOF
3802 cat <<EOF > $name/$name-uninstalled.pc
3803 prefix=
3804 exec_prefix=
3805 libdir=\${pcfiledir}
3806 includedir=${source_path}
3807
3808 Name: $name
3809 Description: $comment
3810 Version: $version
3811 Requires: $requires
3812 Conflicts:
3813 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3814 Cflags: -I\${includedir}
3815 EOF
3816 }
3817
3818 libavfilter_pc_deps=""
3819 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3820 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3821 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3822 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3823 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3824 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3825
3826 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
3827 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
3828
3829 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3830 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3831 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3832 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
3833 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3834 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3835 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3836 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3837 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"