Merge remote-tracking branch 'qatar/master'
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18     echo "Trying shell $1"
19     type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30     echo "Broken shell detected.  Trying alternatives."
31     export FF_CONF_EXEC
32     if test "0$FF_CONF_EXEC" -lt 1; then
33         FF_CONF_EXEC=1
34         try_exec bash "$0" "$@"
35     fi
36     if test "0$FF_CONF_EXEC" -lt 2; then
37         FF_CONF_EXEC=2
38         try_exec ksh "$0" "$@"
39     fi
40     if test "0$FF_CONF_EXEC" -lt 3; then
41         FF_CONF_EXEC=3
42         try_exec /usr/xpg4/bin/sh "$0" "$@"
43     fi
44     echo "No compatible shell script interpreter found."
45     echo "This configure script requires a POSIX-compatible shell"
46     echo "such as bash or ksh."
47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48     echo "Instead, install a working POSIX-compatible shell."
49     echo "Disabling this configure test will create a broken FFmpeg."
50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51         echo "This bash version ($BASH_VERSION) is broken on your platform."
52         echo "Upgrade to a later version if available."
53     fi
54     exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Help options:
63   --help                   print this message
64   --list-decoders          show all available decoders
65   --list-encoders          show all available encoders
66   --list-hwaccels          show all available hardware accelerators
67   --list-demuxers          show all available demuxers
68   --list-muxers            show all available muxers
69   --list-parsers           show all available parsers
70   --list-protocols         show all available protocols
71   --list-bsfs              show all available bitstream filters
72   --list-indevs            show all available input devices
73   --list-outdevs           show all available output devices
74   --list-filters           show all available filters
75
76 Standard options:
77   --logfile=FILE           log tests and output to FILE [config.log]
78   --disable-logging        do not log configure debug information
79   --prefix=PREFIX          install in PREFIX [$prefix]
80   --bindir=DIR             install binaries in DIR [PREFIX/bin]
81   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
82   --libdir=DIR             install libs in DIR [PREFIX/lib]
83   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
84   --incdir=DIR             install includes in DIR [PREFIX/include]
85   --mandir=DIR             install man page in DIR [PREFIX/share/man]
86
87 Licensing options:
88   --enable-gpl             allow use of GPL code, the resulting libs
89                            and binaries will be under GPL [no]
90   --enable-version3        upgrade (L)GPL to version 3 [no]
91   --enable-nonfree         allow use of nonfree code, the resulting libs
92                            and binaries will be unredistributable [no]
93
94 Configuration options:
95   --disable-static         do not build static libraries [no]
96   --enable-shared          build shared libraries [no]
97   --enable-small           optimize for size instead of speed
98   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99   --enable-gray            enable full grayscale support (slower color)
100   --disable-swscale-alpha  disable alpha channel support in swscale
101
102 Component options:
103   --disable-doc            do not build documentation
104   --disable-ffmpeg         disable ffmpeg build
105   --disable-ffplay         disable ffplay build
106   --disable-ffprobe        disable ffprobe build
107   --disable-ffserver       disable ffserver build
108   --disable-avdevice       disable libavdevice build
109   --disable-avcodec        disable libavcodec build
110   --disable-avformat       disable libavformat build
111   --disable-swresample     disable libswresample build
112   --disable-swscale        disable libswscale build
113   --disable-postproc       disable libpostproc build
114   --disable-avfilter       disable video filter support [no]
115   --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-libcdio         enable audio CD grabbing with libcdio
178   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
179                            and libraw1394 [no]
180   --enable-libfaac         enable FAAC support via libfaac [no]
181   --enable-libfreetype     enable libfreetype [no]
182   --enable-libgsm          enable GSM support via libgsm [no]
183   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
184   --enable-libmodplug      enable ModPlug via libmodplug [no]
185   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
186   --enable-libnut          enable NUT (de)muxing via libnut,
187                            native (de)muxer exists [no]
188   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
189   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
190   --enable-libopencv       enable video filtering via libopencv [no]
191   --enable-libopenjpeg     enable JPEG 2000 encoding/decoding via OpenJPEG [no]
192   --enable-libpulse        enable Pulseaudio input via libpulse [no]
193   --enable-librtmp         enable RTMP[E] support via librtmp [no]
194   --enable-libschroedinger enable Dirac support via libschroedinger [no]
195   --enable-libspeex        enable Speex support via libspeex [no]
196   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
197   --enable-libtheora       enable Theora encoding via libtheora [no]
198   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
199   --enable-libv4l2         enable libv4l2/v4l-utils [no]
200   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
201   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
202   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
203                            native implementation exists [no]
204   --enable-libvpx          enable VP8 support via libvpx [no]
205   --enable-libx264         enable H.264 encoding via x264 [no]
206   --enable-libxavs         enable AVS encoding via xavs [no]
207   --enable-libxvid         enable Xvid encoding via xvidcore,
208                            native MPEG-4/Xvid encoder exists [no]
209   --enable-openal          enable OpenAL 1.1 capture support [no]
210   --enable-openssl         enable openssl [no]
211   --enable-zlib            enable zlib [autodetect]
212
213 Advanced options (experts only):
214   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
215   --enable-cross-compile   assume a cross-compiler is used
216   --sysroot=PATH           root of cross-build tree
217   --sysinclude=PATH        location of cross-build system headers
218   --target-os=OS           compiler targets OS [$target_os]
219   --target-exec=CMD        command to run executables on target
220   --target-path=DIR        path to view of build directory on target
221   --nm=NM                  use nm tool NM [$nm_default]
222   --ar=AR                  use archive tool AR [$ar_default]
223   --as=AS                  use assembler AS [$as_default]
224   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
225   --cc=CC                  use C compiler CC [$cc_default]
226   --cxx=CXX                use C compiler CXX [$cxx_default]
227   --ld=LD                  use linker LD [$ld_default]
228   --host-cc=HOSTCC         use host C compiler HOSTCC
229   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
230   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
231   --host-libs=HLIBS        use libs HLIBS when linking for host
232   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
233   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
234   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
235   --extra-libs=ELIBS       add ELIBS [$ELIBS]
236   --extra-version=STRING   version string suffix []
237   --optflags               override optimization-related compiler flags
238   --build-suffix=SUFFIX    library name suffix []
239   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
240   --progs-suffix=SUFFIX    program name suffix []
241   --arch=ARCH              select architecture [$arch]
242   --cpu=CPU                select the minimum required CPU (affects
243                            instruction selection, may crash on older CPUs)
244   --enable-pic             build position-independent code
245   --enable-sram            allow use of on-chip SRAM
246   --disable-symver         disable symbol versioning
247   --disable-fastdiv        disable table-based division
248   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
249   --disable-safe-bitstream-reader
250                            disable buffer boundary checking in bitreaders
251                            (faster, but may crash)
252   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
253
254 Optimization options (experts only):
255   --disable-asm            disable all assembler optimizations
256   --disable-altivec        disable AltiVec optimizations
257   --disable-amd3dnow       disable 3DNow! optimizations
258   --disable-amd3dnowext    disable 3DNow! extended optimizations
259   --disable-mmx            disable MMX optimizations
260   --disable-mmx2           disable MMX2 optimizations
261   --disable-sse            disable SSE optimizations
262   --disable-ssse3          disable SSSE3 optimizations
263   --disable-avx            disable AVX optimizations
264   --disable-armv5te        disable armv5te optimizations
265   --disable-armv6          disable armv6 optimizations
266   --disable-armv6t2        disable armv6t2 optimizations
267   --disable-armvfp         disable ARM VFP optimizations
268   --disable-mmi            disable MMI optimizations
269   --disable-neon           disable NEON optimizations
270   --disable-vis            disable VIS optimizations
271   --disable-yasm           disable use of yasm assembler
272   --disable-mips32r2       disable MIPS32R2 optimizations
273   --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations
274   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
275   --disable-mipsfpu        disable floating point MIPS optimizations
276   --postproc-version=V     build libpostproc version V.
277                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
278
279 Developer options (useful when working on FFmpeg itself):
280   --enable-coverage        build with test coverage instrumentation
281   --disable-debug          disable debugging symbols
282   --enable-debug=LEVEL     set the debug level [$debuglevel]
283   --disable-optimizations  disable compiler optimizations
284   --enable-extra-warnings  enable more compiler warnings
285   --disable-stripping      disable stripping of executables and shared libraries
286   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
287                            2 causes a slowdown at runtime.
288   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
289                            leaks and errors, using the specified valgrind binary.
290                            Cannot be combined with --target-exec
291   --samples=PATH           location of test samples for FATE, if not set use
292                            \$FATE_SAMPLES at make invocation time.
293   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
294                            should be used only for debugging purposes)
295   --enable-random          randomly enable/disable components
296   --disable-random
297   --enable-random=LIST     randomly enable/disable specific components or
298   --disable-random=LIST    component groups. LIST is a comma-separated list
299                            of NAME[:PROB] entries where NAME is a component
300                            (group) and PROB the probability associated with
301                            NAME (default 0.5).
302   --random-seed=VALUE      seed value for --enable/disable-random
303
304 NOTE: Object files are built at the place where configure is launched.
305 EOF
306   exit 0
307 }
308
309 quotes='""'
310
311 log(){
312     echo "$@" >> $logfile
313 }
314
315 log_file(){
316     log BEGIN $1
317     pr -n -t $1 >> $logfile
318     log END $1
319 }
320
321 echolog(){
322     log "$@"
323     echo "$@"
324 }
325
326 warn(){
327     log "WARNING: $*"
328     WARNINGS="${WARNINGS}WARNING: $*\n"
329 }
330
331 die(){
332     echolog "$@"
333     cat <<EOF
334
335 If you think configure made a mistake, make sure you are using the latest
336 version from Git.  If the latest version fails, report the problem to the
337 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
338 EOF
339     if disabled logging; then
340         cat <<EOF
341 Rerun configure with logging enabled (do not use --disable-logging), and
342 include the log this produces with your report.
343 EOF
344     else
345 cat <<EOF
346 Include the log file "$logfile" produced by configure as this will help
347 solving the problem.
348 EOF
349     fi
350     exit 1
351 }
352
353 # Avoid locale weirdness, besides we really just want to translate ASCII.
354 toupper(){
355     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
356 }
357
358 tolower(){
359     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
360 }
361
362 c_escape(){
363     echo "$*" | sed 's/["\\]/\\\0/g'
364 }
365
366 sh_quote(){
367     v=$(echo "$1" | sed "s/'/'\\\\''/g")
368     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
369     echo "$v"
370 }
371
372 cleanws(){
373     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
374 }
375
376 filter(){
377     pat=$1
378     shift
379     for v; do
380         eval "case $v in $pat) echo $v ;; esac"
381     done
382 }
383
384 filter_out(){
385     pat=$1
386     shift
387     for v; do
388         eval "case $v in $pat) ;; *) echo $v ;; esac"
389     done
390 }
391
392 map(){
393     m=$1
394     shift
395     for v; do eval $m; done
396 }
397
398 set_all(){
399     value=$1
400     shift
401     for var in $*; do
402         eval $var=$value
403     done
404 }
405
406 set_weak(){
407     value=$1
408     shift
409     for var; do
410         eval : \${$var:=$value}
411     done
412 }
413
414 set_safe(){
415     var=$1
416     shift
417     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
418 }
419
420 get_safe(){
421     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
422 }
423
424 pushvar(){
425     for var in $*; do
426         eval level=\${${var}_level:=0}
427         eval ${var}_${level}="\$$var"
428         eval ${var}_level=$(($level+1))
429     done
430 }
431
432 popvar(){
433     for var in $*; do
434         eval level=\${${var}_level:-0}
435         test $level = 0 && continue
436         eval level=$(($level-1))
437         eval $var="\${${var}_${level}}"
438         eval ${var}_level=$level
439         eval unset ${var}_${level}
440     done
441 }
442
443 enable(){
444     set_all yes $*
445 }
446
447 disable(){
448     set_all no $*
449 }
450
451 enable_weak(){
452     set_weak yes $*
453 }
454
455 disable_weak(){
456     set_weak no $*
457 }
458
459 enable_safe(){
460     for var; do
461         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
462     done
463 }
464
465 disable_safe(){
466     for var; do
467         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
468     done
469 }
470
471 do_enable_deep(){
472     for var; do
473         enabled $var && continue
474         eval sel="\$${var}_select"
475         eval sgs="\$${var}_suggest"
476         pushvar var sgs
477         enable_deep $sel
478         popvar sgs
479         enable_deep_weak $sgs
480         popvar var
481     done
482 }
483
484 enable_deep(){
485     do_enable_deep $*
486     enable $*
487 }
488
489 enable_deep_weak(){
490     do_enable_deep $*
491     enable_weak $*
492 }
493
494 enabled(){
495     test "${1#!}" = "$1" && op== || op=!=
496     eval test "x\$${1#!}" $op "xyes"
497 }
498
499 disabled(){
500     test "${1#!}" = "$1" && op== || op=!=
501     eval test "x\$${1#!}" $op "xno"
502 }
503
504 enabled_all(){
505     for opt; do
506         enabled $opt || return 1
507     done
508 }
509
510 disabled_all(){
511     for opt; do
512         disabled $opt || return 1
513     done
514 }
515
516 enabled_any(){
517     for opt; do
518         enabled $opt && return 0
519     done
520 }
521
522 disabled_any(){
523     for opt; do
524         disabled $opt && return 0
525     done
526     return 1
527 }
528
529 set_default(){
530     for opt; do
531         eval : \${$opt:=\$${opt}_default}
532     done
533 }
534
535 is_in(){
536     value=$1
537     shift
538     for var in $*; do
539         [ $var = $value ] && return 0
540     done
541     return 1
542 }
543
544 check_deps(){
545     for cfg; do
546         cfg="${cfg#!}"
547         enabled ${cfg}_checking && die "Circular dependency for $cfg."
548         disabled ${cfg}_checking && continue
549         enable ${cfg}_checking
550
551         eval dep_all="\$${cfg}_deps"
552         eval dep_any="\$${cfg}_deps_any"
553         eval dep_sel="\$${cfg}_select"
554         eval dep_sgs="\$${cfg}_suggest"
555         eval dep_ifa="\$${cfg}_if"
556         eval dep_ifn="\$${cfg}_if_any"
557
558         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
559         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
560         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
561
562         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
563         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
564         enabled_all  $dep_all || disable $cfg
565         enabled_any  $dep_any || disable $cfg
566         disabled_any $dep_sel && disable $cfg
567
568         if enabled $cfg; then
569             eval dep_extralibs="\$${cfg}_extralibs"
570             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
571             enable_deep $dep_sel
572             enable_deep_weak $dep_sgs
573         fi
574
575         disable ${cfg}_checking
576     done
577 }
578
579 print_config_h(){
580     enabled $1 && v=1 || v=0
581     echo "#define $2 $v"
582 }
583
584 print_config_mak(){
585     enabled $1 && v= || v=!
586     echo "$v$2=yes"
587 }
588
589 print_config_asm(){
590     enabled $1 && v=1 || v=0
591     echo "%define $2 $v"
592 }
593
594 print_config(){
595     pfx=$1
596     files=$2
597     shift 2
598     for cfg; do
599         ucname="$(toupper $cfg)"
600         for f in $files; do
601             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
602         done
603     done
604 }
605
606 print_enabled(){
607     test "$1" = -n && end=" " && shift || end="\n"
608     suf=$1
609     shift
610     for v; do
611         enabled $v && printf "%s$end" ${v%$suf};
612     done
613 }
614
615 append(){
616     var=$1
617     shift
618     eval "$var=\"\$$var $*\""
619 }
620
621 prepend(){
622     var=$1
623     shift
624     eval "$var=\"$* \$$var\""
625 }
626
627 add_cppflags(){
628     append CPPFLAGS $($filter_cppflags "$@")
629 }
630
631 add_cflags(){
632     append CFLAGS $($filter_cflags "$@")
633 }
634
635 add_cxxflags(){
636     append CXXFLAGS $($filter_cflags "$@")
637 }
638
639 add_asflags(){
640     append ASFLAGS $($filter_asflags "$@")
641 }
642
643 add_ldflags(){
644     append LDFLAGS "$@"
645 }
646
647 add_extralibs(){
648     prepend extralibs "$@"
649 }
650
651 check_cmd(){
652     log "$@"
653     "$@" >> $logfile 2>&1
654 }
655
656 check_cc(){
657     log check_cc "$@"
658     cat > $TMPC
659     log_file $TMPC
660     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -c -o $TMPO $TMPC
661 }
662
663 check_cxx(){
664     log check_cxx "$@"
665     cat > $TMPCPP
666     log_file $TMPCPP
667     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" -c -o $TMPO $TMPCPP
668 }
669
670 check_cpp(){
671     log check_cpp "$@"
672     cat > $TMPC
673     log_file $TMPC
674     check_cmd $cc $CPPFLAGS $CFLAGS "$@" -E -o $TMPO $TMPC
675 }
676
677 check_as(){
678     log check_as "$@"
679     cat > $TMPC
680     log_file $TMPC
681     check_cmd $as $CPPFLAGS $ASFLAGS "$@" -c -o $TMPO $TMPC
682 }
683
684 check_asm(){
685     log check_asm "$@"
686     name="$1"
687     code="$2"
688     shift 2
689     disable $name
690     check_as "$@" <<EOF && enable $name
691 void foo(void){ __asm__ volatile($code); }
692 EOF
693 }
694
695 check_yasm(){
696     log check_yasm "$@"
697     echo "$1" > $TMPS
698     log_file $TMPS
699     shift 1
700     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
701 }
702
703 check_ld(){
704     log check_ld "$@"
705     type=$1
706     shift 1
707     flags=''
708     libs=''
709     for f; do
710         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
711     done
712     check_$type $($filter_cflags $flags) || return
713     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
714 }
715
716 check_cppflags(){
717     log check_cppflags "$@"
718     set -- $($filter_cppflags "$@")
719     check_cc "$@" <<EOF && append CPPFLAGS "$@"
720 int x;
721 EOF
722 }
723
724 check_cflags(){
725     log check_cflags "$@"
726     set -- $($filter_cflags "$@")
727     check_cc "$@" <<EOF && append CFLAGS "$@"
728 int x;
729 EOF
730 }
731
732 check_cxxflags(){
733     log check_cxxflags "$@"
734     set -- $($filter_cflags "$@")
735     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
736 int x;
737 EOF
738 }
739
740 test_ldflags(){
741     log test_ldflags "$@"
742     check_ld "cc" "$@" <<EOF
743 int main(void){ return 0; }
744 EOF
745 }
746
747 check_ldflags(){
748     log check_ldflags "$@"
749     test_ldflags "$@" && add_ldflags "$@"
750 }
751
752 check_header(){
753     log check_header "$@"
754     header=$1
755     shift
756     disable_safe $header
757     check_cpp "$@" <<EOF && enable_safe $header
758 #include <$header>
759 int x;
760 EOF
761 }
762
763 check_func(){
764     log check_func "$@"
765     func=$1
766     shift
767     disable $func
768     check_ld "cc" "$@" <<EOF && enable $func
769 extern int $func();
770 int main(void){ $func(); }
771 EOF
772 }
773
774 check_mathfunc(){
775     log check_mathfunc "$@"
776     func=$1
777     shift
778     disable $func
779     check_ld "cc" "$@" <<EOF && enable $func
780 #include <math.h>
781 float foo(float f) { return $func(f); }
782 int main(void){ return (int) foo; }
783 EOF
784 }
785
786 check_func_headers(){
787     log check_func_headers "$@"
788     headers=$1
789     funcs=$2
790     shift 2
791     {
792         for hdr in $headers; do
793             echo "#include <$hdr>"
794         done
795         for func in $funcs; do
796             echo "long check_$func(void) { return (long) $func; }"
797         done
798         echo "int main(void) { return 0; }"
799     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
800 }
801
802 check_class_headers_cpp(){
803     log check_class_headers_cpp "$@"
804     headers=$1
805     classes=$2
806     shift 2
807     {
808         for hdr in $headers; do
809             echo "#include <$hdr>"
810         done
811         echo "int main(void) { "
812         i=1
813         for class in $classes; do
814             echo "$class obj$i;"
815             i=$(expr $i + 1)
816         done
817         echo "return 0; }"
818     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
819 }
820
821 check_cpp_condition(){
822     log check_cpp_condition "$@"
823     header=$1
824     condition=$2
825     shift 2
826     check_cpp $($filter_cppflags "$@") <<EOF
827 #include <$header>
828 #if !($condition)
829 #error "unsatisfied condition: $condition"
830 #endif
831 EOF
832 }
833
834 check_lib(){
835     log check_lib "$@"
836     header="$1"
837     func="$2"
838     shift 2
839     check_header $header && check_func $func "$@" && add_extralibs "$@"
840 }
841
842 check_lib2(){
843     log check_lib2 "$@"
844     headers="$1"
845     funcs="$2"
846     shift 2
847     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
848 }
849
850 check_lib_cpp(){
851     log check_lib_cpp "$@"
852     headers="$1"
853     classes="$2"
854     shift 2
855     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
856 }
857
858 check_pkg_config(){
859     log check_pkg_config "$@"
860     pkg="$1"
861     headers="$2"
862     funcs="$3"
863     shift 3
864     $pkg_config --exists $pkg 2>/dev/null || return
865     pkg_cflags=$($pkg_config --cflags $pkg)
866     pkg_libs=$($pkg_config --libs $pkg)
867     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
868         set_safe ${pkg}_cflags $pkg_cflags   &&
869         set_safe ${pkg}_libs   $pkg_libs
870 }
871
872 check_exec(){
873     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
874 }
875
876 check_exec_crash(){
877     code=$(cat)
878
879     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
880     # are safe but may not be available everywhere.  Thus we use
881     # raise(SIGTERM) instead.  The check is run in a subshell so we
882     # can redirect the "Terminated" message from the shell.  SIGBUS
883     # is not defined by standard C so it is used conditionally.
884
885     (check_exec "$@") >> $logfile 2>&1 <<EOF
886 #include <signal.h>
887 static void sighandler(int sig){
888     raise(SIGTERM);
889 }
890 int func(void){
891     $code
892 }
893 int (*func_ptr)(void) = func;
894 int main(void){
895     signal(SIGILL, sighandler);
896     signal(SIGFPE, sighandler);
897     signal(SIGSEGV, sighandler);
898 #ifdef SIGBUS
899     signal(SIGBUS, sighandler);
900 #endif
901     return func_ptr();
902 }
903 EOF
904 }
905
906 check_type(){
907     log check_type "$@"
908     headers=$1
909     type=$2
910     shift 2
911     disable_safe "$type"
912     incs=""
913     for hdr in $headers; do
914         incs="$incs
915 #include <$hdr>"
916     done
917     check_cc "$@" <<EOF && enable_safe "$type"
918 $incs
919 $type v;
920 EOF
921 }
922
923 check_struct(){
924     log check_type "$@"
925     headers=$1
926     struct=$2
927     member=$3
928     shift 3
929     disable_safe "${struct}_${member}"
930     incs=""
931     for hdr in $headers; do
932         incs="$incs
933 #include <$hdr>"
934     done
935     check_cc "$@" <<EOF && enable_safe "${struct}_${member}"
936 $incs
937 const void *p = &(($struct *)0)->$member;
938 EOF
939 }
940
941 require(){
942     name="$1"
943     header="$2"
944     func="$3"
945     shift 3
946     check_lib $header $func "$@" || die "ERROR: $name not found"
947 }
948
949 require2(){
950     name="$1"
951     headers="$2"
952     func="$3"
953     shift 3
954     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
955 }
956
957 require_cpp(){
958     name="$1"
959     headers="$2"
960     classes="$3"
961     shift 3
962     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
963 }
964
965 require_pkg_config(){
966     pkg="$1"
967     check_pkg_config "$@" || die "ERROR: $pkg not found"
968     add_cflags    $(get_safe ${pkg}_cflags)
969     add_extralibs $(get_safe ${pkg}_libs)
970 }
971
972 check_host_cc(){
973     log check_host_cc "$@"
974     cat > $TMPC
975     log_file $TMPC
976     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
977 }
978
979 check_host_cflags(){
980     log check_host_cflags "$@"
981     check_host_cc "$@" <<EOF && append host_cflags "$@"
982 int x;
983 EOF
984 }
985
986 apply(){
987     file=$1
988     shift
989     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
990 }
991
992 cp_if_changed(){
993     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
994     mkdir -p "$(dirname $2)"
995     cp -f "$1" "$2"
996 }
997
998 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
999 # system-dependent things.
1000
1001 COMPONENT_LIST="
1002     bsfs
1003     decoders
1004     demuxers
1005     encoders
1006     filters
1007     hwaccels
1008     indevs
1009     muxers
1010     outdevs
1011     parsers
1012     protocols
1013 "
1014
1015 PROGRAM_LIST="
1016     ffplay
1017     ffprobe
1018     ffserver
1019     ffmpeg
1020 "
1021
1022 CONFIG_LIST="
1023     $COMPONENT_LIST
1024     $PROGRAM_LIST
1025     ac3dsp
1026     avcodec
1027     avdevice
1028     avfilter
1029     avformat
1030     avresample
1031     avisynth
1032     bzlib
1033     crystalhd
1034     dct
1035     doc
1036     dwt
1037     dxva2
1038     fastdiv
1039     fft
1040     fontconfig
1041     frei0r
1042     gnutls
1043     gpl
1044     gray
1045     hardcoded_tables
1046     libaacplus
1047     libass
1048     libbluray
1049     libcdio
1050     libcelt
1051     libdc1394
1052     libfaac
1053     libfreetype
1054     libgsm
1055     libilbc
1056     libmodplug
1057     libmp3lame
1058     libnut
1059     libopencore_amrnb
1060     libopencore_amrwb
1061     libopencv
1062     libopenjpeg
1063     libpulse
1064     librtmp
1065     libschroedinger
1066     libspeex
1067     libstagefright_h264
1068     libtheora
1069     libutvideo
1070     libv4l2
1071     libvo_aacenc
1072     libvo_amrwbenc
1073     libvorbis
1074     libvpx
1075     libx264
1076     libxavs
1077     libxvid
1078     lsp
1079     mdct
1080     memalign_hack
1081     mpegaudiodsp
1082     network
1083     nonfree
1084     openal
1085     openssl
1086     pic
1087     postproc
1088     rdft
1089     rtpdec
1090     runtime_cpudetect
1091     safe_bitstream_reader
1092     shared
1093     sinewin
1094     small
1095     sram
1096     static
1097     swresample
1098     swscale
1099     swscale_alpha
1100     thumb
1101     vaapi
1102     vda
1103     vdpau
1104     version3
1105     xmm_clobber_test
1106     x11grab
1107     zlib
1108 "
1109
1110 THREADS_LIST='
1111     pthreads
1112     w32threads
1113     os2threads
1114 '
1115
1116 ARCH_LIST='
1117     alpha
1118     arm
1119     avr32
1120     avr32_ap
1121     avr32_uc
1122     bfin
1123     ia64
1124     m68k
1125     mips
1126     mips64
1127     parisc
1128     ppc
1129     ppc64
1130     s390
1131     sh4
1132     sparc
1133     sparc64
1134     tomi
1135     x86
1136     x86_32
1137     x86_64
1138 '
1139
1140 ARCH_EXT_LIST='
1141     altivec
1142     amd3dnow
1143     amd3dnowext
1144     armv5te
1145     armv6
1146     armv6t2
1147     armvfp
1148     avx
1149     mmi
1150     mmx
1151     mmx2
1152     neon
1153     ppc4xx
1154     sse
1155     ssse3
1156     vfpv3
1157     vis
1158     mipsfpu
1159     mips32r2
1160     mipsdspr1
1161     mipsdspr2
1162 '
1163
1164 HAVE_LIST_PUB='
1165     bigendian
1166     fast_unaligned
1167 '
1168
1169 HAVE_LIST="
1170     $ARCH_EXT_LIST
1171     $HAVE_LIST_PUB
1172     $THREADS_LIST
1173     aligned_malloc
1174     aligned_stack
1175     alsa_asoundlib_h
1176     altivec_h
1177     arpa_inet_h
1178     asm_mod_y
1179     asm_types_h
1180     attribute_may_alias
1181     attribute_packed
1182     cbrtf
1183     clock_gettime
1184     closesocket
1185     cmov
1186     dcbzl
1187     dev_bktr_ioctl_bt848_h
1188     dev_bktr_ioctl_meteor_h
1189     dev_ic_bt8xx_h
1190     dev_video_bktr_ioctl_bt848_h
1191     dev_video_meteor_ioctl_meteor_h
1192     dlfcn_h
1193     dlopen
1194     dos_paths
1195     ebp_available
1196     ebx_available
1197     exp2
1198     exp2f
1199     fast_64bit
1200     fast_clz
1201     fast_cmov
1202     fcntl
1203     fork
1204     getaddrinfo
1205     gethrtime
1206     GetProcessAffinityMask
1207     GetProcessMemoryInfo
1208     GetProcessTimes
1209     GetSystemTimeAsFileTime
1210     getrusage
1211     gettimeofday
1212     glob
1213     gnu_as
1214     ibm_asm
1215     inet_aton
1216     inline_asm
1217     isatty
1218     jack_port_get_latency_range
1219     kbhit
1220     ldbrx
1221     libdc1394_1
1222     libdc1394_2
1223     llrint
1224     llrintf
1225     local_aligned_16
1226     local_aligned_8
1227     localtime_r
1228     log2
1229     log2f
1230     loongson
1231     lrint
1232     lrintf
1233     lzo1x_999_compress
1234     machine_ioctl_bt848_h
1235     machine_ioctl_meteor_h
1236     makeinfo
1237     malloc_h
1238     MapViewOfFile
1239     memalign
1240     mkstemp
1241     mmap
1242     nanosleep
1243     netinet_sctp_h
1244     PeekNamedPipe
1245     poll_h
1246     posix_memalign
1247     pthread_cancel
1248     round
1249     roundf
1250     sched_getaffinity
1251     sdl
1252     sdl_video_size
1253     setmode
1254     setrlimit
1255     Sleep
1256     sndio_h
1257     socklen_t
1258     soundcard_h
1259     strerror_r
1260     strptime
1261     struct_addrinfo
1262     struct_ipv6_mreq
1263     struct_rusage_ru_maxrss
1264     struct_sockaddr_in6
1265     struct_sockaddr_sa_len
1266     struct_sockaddr_storage
1267     struct_v4l2_frmivalenum_discrete
1268     symver
1269     symver_asm_label
1270     symver_gnu_asm
1271     sysconf
1272     sysctl
1273     sys_mman_h
1274     sys_param_h
1275     sys_resource_h
1276     sys_select_h
1277     sys_soundcard_h
1278     sys_time_h
1279     sys_videoio_h
1280     termios_h
1281     threads
1282     trunc
1283     truncf
1284     unistd_h
1285     usleep
1286     vfp_args
1287     VirtualAlloc
1288     windows_h
1289     winsock2_h
1290     xform_asm
1291     xmm_clobbers
1292     yasm
1293 "
1294
1295 # options emitted with CONFIG_ prefix but not available on command line
1296 CONFIG_EXTRA="
1297     aandct
1298     avutil
1299     golomb
1300     gplv3
1301     h264chroma
1302     h264dsp
1303     h264pred
1304     h264qpel
1305     huffman
1306     lgplv3
1307     lpc
1308 "
1309
1310 CMDLINE_SELECT="
1311     $ARCH_EXT_LIST
1312     $CONFIG_LIST
1313     $THREADS_LIST
1314     asm
1315     coverage
1316     cross_compile
1317     debug
1318     extra_warnings
1319     logging
1320     optimizations
1321     stripping
1322     symver
1323     yasm
1324 "
1325
1326 PATHS_LIST='
1327     bindir
1328     datadir
1329     incdir
1330     libdir
1331     mandir
1332     prefix
1333     shlibdir
1334 '
1335
1336 CMDLINE_SET="
1337     $PATHS_LIST
1338     ar
1339     arch
1340     as
1341     assert_level
1342     build_suffix
1343     cc
1344     cpu
1345     cross_prefix
1346     cxx
1347     dep_cc
1348     extra_version
1349     host_cc
1350     host_cflags
1351     host_ldflags
1352     host_libs
1353     host_os
1354     install
1355     ld
1356     logfile
1357     malloc_prefix
1358     nm
1359     optflags
1360     pkg_config
1361     postproc_version
1362     progs_suffix
1363     random_seed
1364     samples
1365     strip
1366     sysinclude
1367     sysroot
1368     target_exec
1369     target_os
1370     target_path
1371     valgrind
1372     yasmexe
1373 "
1374
1375 CMDLINE_APPEND="
1376     extra_cflags
1377     extra_cxxflags
1378 "
1379
1380 # code dependency declarations
1381
1382 # architecture extensions
1383
1384 armv5te_deps="arm"
1385 armv6_deps="arm"
1386 armv6t2_deps="arm"
1387 armvfp_deps="arm"
1388 neon_deps="arm"
1389 vfpv3_deps="armvfp"
1390
1391 mipsfpu_deps="mips"
1392 mips32r2_deps="mips"
1393 mipsdspr1_deps="mips"
1394 mipsdspr2_deps="mips"
1395 mmi_deps="mips"
1396
1397 altivec_deps="ppc"
1398 ppc4xx_deps="ppc"
1399
1400 vis_deps="sparc"
1401
1402 x86_64_suggest="cmov fast_cmov"
1403 amd3dnow_deps="mmx"
1404 amd3dnowext_deps="amd3dnow"
1405 mmx_deps="x86"
1406 mmx2_deps="mmx"
1407 sse_deps="mmx"
1408 ssse3_deps="sse"
1409 avx_deps="ssse3"
1410
1411 aligned_stack_if_any="ppc x86"
1412 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1413 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1414 fast_unaligned_if_any="armv6 ppc x86"
1415
1416 inline_asm_deps="!tms470"
1417 need_memalign="altivec neon sse"
1418
1419 symver_if_any="symver_asm_label symver_gnu_asm"
1420
1421 # subsystems
1422 dct_select="rdft"
1423 mdct_select="fft"
1424 rdft_select="fft"
1425 mpegaudiodsp_select="dct"
1426
1427 # decoders / encoders / hardware accelerators
1428 aac_decoder_select="mdct sinewin"
1429 aac_encoder_select="mdct sinewin"
1430 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1431 ac3_decoder_select="mdct ac3dsp ac3_parser"
1432 ac3_encoder_select="mdct ac3dsp"
1433 ac3_fixed_encoder_select="mdct ac3dsp"
1434 alac_encoder_select="lpc"
1435 amrnb_decoder_select="lsp"
1436 amrwb_decoder_select="lsp"
1437 amv_encoder_select="aandct"
1438 atrac1_decoder_select="mdct sinewin"
1439 atrac3_decoder_select="mdct"
1440 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1441 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1442 cavs_decoder_select="golomb"
1443 cook_decoder_select="mdct sinewin"
1444 cscd_decoder_suggest="zlib"
1445 dca_decoder_select="mdct"
1446 dirac_decoder_select="dwt golomb"
1447 dnxhd_encoder_select="aandct"
1448 dxa_decoder_select="zlib"
1449 eac3_decoder_select="ac3_decoder"
1450 eac3_encoder_select="mdct ac3dsp"
1451 eamad_decoder_select="aandct"
1452 eatgq_decoder_select="aandct"
1453 eatqi_decoder_select="aandct"
1454 ffv1_decoder_select="golomb"
1455 flac_decoder_select="golomb"
1456 flac_encoder_select="golomb lpc"
1457 flashsv_decoder_select="zlib"
1458 flashsv_encoder_select="zlib"
1459 flashsv2_encoder_select="zlib"
1460 flashsv2_decoder_select="zlib"
1461 flv_decoder_select="h263_decoder"
1462 flv_encoder_select="h263_encoder"
1463 fraps_decoder_select="huffman"
1464 h261_encoder_select="aandct"
1465 h263_decoder_select="h263_parser"
1466 h263_encoder_select="aandct"
1467 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1468 h263i_decoder_select="h263_decoder"
1469 h263p_encoder_select="h263_encoder"
1470 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1471 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1472 h264_dxva2_hwaccel_deps="dxva2api_h"
1473 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1474 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1475 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1476 h264_vda_hwaccel_select="vda h264_decoder"
1477 h264_vdpau_decoder_select="vdpau h264_decoder"
1478 iac_decoder_select="fft mdct sinewin"
1479 imc_decoder_select="fft mdct sinewin"
1480 jpegls_decoder_select="golomb"
1481 jpegls_encoder_select="golomb"
1482 ljpeg_encoder_select="aandct"
1483 loco_decoder_select="golomb"
1484 mjpeg_encoder_select="aandct"
1485 mlp_decoder_select="mlp_parser"
1486 mp1_decoder_select="mpegaudiodsp"
1487 mp1float_decoder_select="mpegaudiodsp"
1488 mp2_decoder_select="mpegaudiodsp"
1489 mp2float_decoder_select="mpegaudiodsp"
1490 mp3_decoder_select="mpegaudiodsp"
1491 mp3adu_decoder_select="mpegaudiodsp"
1492 mp3adufloat_decoder_select="mpegaudiodsp"
1493 mp3float_decoder_select="mpegaudiodsp"
1494 mp3on4_decoder_select="mpegaudiodsp"
1495 mp3on4float_decoder_select="mpegaudiodsp"
1496 mpc7_decoder_select="mpegaudiodsp"
1497 mpc8_decoder_select="mpegaudiodsp"
1498 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1499 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1500 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1501 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1502 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1503 mpeg1video_encoder_select="aandct"
1504 mpeg2_crystalhd_decoder_select="crystalhd"
1505 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1506 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1507 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1508 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1509 mpeg2video_encoder_select="aandct"
1510 mpeg4_crystalhd_decoder_select="crystalhd"
1511 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1512 mpeg4_encoder_select="h263_encoder"
1513 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1514 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1515 msmpeg4_crystalhd_decoder_select="crystalhd"
1516 msmpeg4v1_decoder_select="h263_decoder"
1517 msmpeg4v1_encoder_select="h263_encoder"
1518 msmpeg4v2_decoder_select="h263_decoder"
1519 msmpeg4v2_encoder_select="h263_encoder"
1520 msmpeg4v3_decoder_select="h263_decoder"
1521 msmpeg4v3_encoder_select="h263_encoder"
1522 nellymoser_decoder_select="mdct sinewin"
1523 nellymoser_encoder_select="mdct sinewin"
1524 png_decoder_select="zlib"
1525 png_encoder_select="zlib"
1526 qcelp_decoder_select="lsp"
1527 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1528 ra_144_encoder_select="lpc"
1529 ralf_decoder_select="golomb"
1530 rv10_decoder_select="h263_decoder"
1531 rv10_encoder_select="h263_encoder"
1532 rv20_decoder_select="h263_decoder"
1533 rv20_encoder_select="h263_encoder"
1534 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1535 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1536 shorten_decoder_select="golomb"
1537 sipr_decoder_select="lsp"
1538 snow_decoder_select="dwt"
1539 snow_encoder_select="aandct dwt"
1540 sonic_decoder_select="golomb"
1541 sonic_encoder_select="golomb"
1542 sonic_ls_encoder_select="golomb"
1543 svq1_encoder_select="aandct"
1544 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1545 svq3_decoder_suggest="zlib"
1546 theora_decoder_select="vp3_decoder"
1547 tiff_decoder_suggest="zlib"
1548 tiff_encoder_suggest="zlib"
1549 tscc_decoder_select="zlib"
1550 twinvq_decoder_select="mdct lsp sinewin"
1551 vc1_crystalhd_decoder_select="crystalhd"
1552 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1553 vc1_dxva2_hwaccel_deps="dxva2api_h"
1554 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1555 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1556 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1557 vc1image_decoder_select="vc1_decoder"
1558 vorbis_decoder_select="mdct"
1559 vorbis_encoder_select="mdct"
1560 vp6_decoder_select="huffman"
1561 vp6a_decoder_select="vp6_decoder"
1562 vp6f_decoder_select="vp6_decoder"
1563 vp8_decoder_select="h264pred h264qpel"
1564 wmapro_decoder_select="mdct sinewin"
1565 wmav1_decoder_select="mdct sinewin"
1566 wmav1_encoder_select="mdct sinewin"
1567 wmav2_decoder_select="mdct sinewin"
1568 wmav2_encoder_select="mdct sinewin"
1569 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1570 wmv1_decoder_select="h263_decoder"
1571 wmv1_encoder_select="h263_encoder"
1572 wmv2_decoder_select="h263_decoder"
1573 wmv2_encoder_select="h263_encoder"
1574 wmv3_decoder_select="vc1_decoder"
1575 wmv3_crystalhd_decoder_select="crystalhd"
1576 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1577 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1578 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1579 wmv3image_decoder_select="wmv3_decoder"
1580 zerocodec_decoder_select="zlib"
1581 zlib_decoder_select="zlib"
1582 zlib_encoder_select="zlib"
1583 zmbv_decoder_select="zlib"
1584 zmbv_encoder_select="zlib"
1585
1586 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1587 vaapi_deps="va_va_h"
1588 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1589 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1590
1591 # parsers
1592 h264_parser_select="golomb h264dsp h264pred"
1593
1594 # external libraries
1595 libaacplus_encoder_deps="libaacplus"
1596 libcelt_decoder_deps="libcelt"
1597 libfaac_encoder_deps="libfaac"
1598 libgsm_decoder_deps="libgsm"
1599 libgsm_encoder_deps="libgsm"
1600 libgsm_ms_decoder_deps="libgsm"
1601 libgsm_ms_encoder_deps="libgsm"
1602 libilbc_decoder_deps="libilbc"
1603 libilbc_encoder_deps="libilbc"
1604 libmodplug_demuxer_deps="libmodplug"
1605 libmp3lame_encoder_deps="libmp3lame"
1606 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1607 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1608 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1609 libopenjpeg_decoder_deps="libopenjpeg"
1610 libopenjpeg_encoder_deps="libopenjpeg"
1611 libschroedinger_decoder_deps="libschroedinger"
1612 libschroedinger_encoder_deps="libschroedinger"
1613 libspeex_decoder_deps="libspeex"
1614 libspeex_encoder_deps="libspeex"
1615 libstagefright_h264_decoder_deps="libstagefright_h264"
1616 libtheora_encoder_deps="libtheora"
1617 libvo_aacenc_encoder_deps="libvo_aacenc"
1618 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1619 libvorbis_decoder_deps="libvorbis"
1620 libvorbis_encoder_deps="libvorbis"
1621 libvpx_decoder_deps="libvpx"
1622 libvpx_encoder_deps="libvpx"
1623 libx264_encoder_deps="libx264"
1624 libx264rgb_encoder_deps="libx264"
1625 libxavs_encoder_deps="libxavs"
1626 libxvid_encoder_deps="libxvid"
1627 libutvideo_decoder_deps="libutvideo"
1628 libutvideo_encoder_deps="libutvideo"
1629
1630 # demuxers / muxers
1631 ac3_demuxer_select="ac3_parser"
1632 asf_stream_muxer_select="asf_muxer"
1633 avisynth_demuxer_deps="avisynth"
1634 dirac_demuxer_select="dirac_parser"
1635 eac3_demuxer_select="ac3_parser"
1636 flac_demuxer_select="flac_parser"
1637 ipod_muxer_select="mov_muxer"
1638 libnut_demuxer_deps="libnut"
1639 libnut_muxer_deps="libnut"
1640 matroska_audio_muxer_select="matroska_muxer"
1641 matroska_demuxer_suggest="zlib bzlib"
1642 mov_demuxer_suggest="zlib"
1643 mp3_demuxer_select="mpegaudio_parser"
1644 mp4_muxer_select="mov_muxer"
1645 mpegts_muxer_select="adts_muxer latm_muxer"
1646 mpegtsraw_demuxer_select="mpegts_demuxer"
1647 mxf_d10_muxer_select="mxf_muxer"
1648 ogg_demuxer_select="golomb"
1649 psp_muxer_select="mov_muxer"
1650 rtp_demuxer_select="sdp_demuxer"
1651 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1652 rtsp_demuxer_select="http_protocol rtpdec"
1653 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1654 sap_demuxer_select="sdp_demuxer"
1655 sap_muxer_select="rtp_muxer rtp_protocol"
1656 sdp_demuxer_select="rtpdec"
1657 spdif_muxer_select="aac_parser"
1658 tg2_muxer_select="mov_muxer"
1659 tgp_muxer_select="mov_muxer"
1660 w64_demuxer_deps="wav_demuxer"
1661
1662 # indevs / outdevs
1663 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1664 alsa_outdev_deps="alsa_asoundlib_h"
1665 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1666 dshow_indev_deps="IBaseFilter"
1667 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1668 dv1394_indev_deps="dv1394 dv_demuxer"
1669 fbdev_indev_deps="linux_fb_h"
1670 jack_indev_deps="jack_jack_h sem_timedwait"
1671 lavfi_indev_deps="avfilter"
1672 libcdio_indev_deps="libcdio"
1673 libdc1394_indev_deps="libdc1394"
1674 libv4l2_indev_deps="libv4l2"
1675 openal_indev_deps="openal"
1676 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1677 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1678 pulse_indev_deps="libpulse"
1679 sdl_outdev_deps="sdl"
1680 sndio_indev_deps="sndio_h"
1681 sndio_outdev_deps="sndio_h"
1682 v4l_indev_deps="linux_videodev_h"
1683 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1684 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1685 vfwcap_indev_extralibs="-lavicap32"
1686 x11_grab_device_indev_deps="x11grab XShmCreateImage"
1687
1688 # protocols
1689 bluray_protocol_deps="libbluray"
1690 gopher_protocol_deps="network"
1691 httpproxy_protocol_deps="network"
1692 httpproxy_protocol_select="tcp_protocol"
1693 http_protocol_deps="network"
1694 http_protocol_select="tcp_protocol"
1695 https_protocol_select="tls_protocol"
1696 librtmp_protocol_deps="librtmp"
1697 librtmpe_protocol_deps="librtmp"
1698 librtmps_protocol_deps="librtmp"
1699 librtmpt_protocol_deps="librtmp"
1700 librtmpte_protocol_deps="librtmp"
1701 mmsh_protocol_select="http_protocol"
1702 mmst_protocol_deps="network"
1703 rtmp_protocol_deps="!librtmp_protocol"
1704 rtmp_protocol_select="tcp_protocol"
1705 rtmphttp_protocol_deps="!librtmp_protocol"
1706 rtmphttp_protocol_select="http_protocol"
1707 rtmpt_protocol_deps="!librtmp_protocol"
1708 rtmpt_protocol_select="rtmphttp_protocol"
1709 rtp_protocol_select="udp_protocol"
1710 sctp_protocol_deps="network netinet_sctp_h"
1711 tcp_protocol_deps="network"
1712 tls_protocol_deps_any="openssl gnutls"
1713 tls_protocol_select="tcp_protocol"
1714 udp_protocol_deps="network"
1715
1716 # filters
1717 aconvert_filter_deps="swresample"
1718 amovie_filter_deps="avcodec avformat"
1719 aresample_filter_deps="swresample"
1720 ass_filter_deps="libass"
1721 asyncts_filter_deps="avresample"
1722 atempo_filter_deps="avcodec rdft"
1723 blackframe_filter_deps="gpl"
1724 boxblur_filter_deps="gpl"
1725 colormatrix_filter_deps="gpl"
1726 cropdetect_filter_deps="gpl"
1727 delogo_filter_deps="gpl"
1728 deshake_filter_deps="avcodec"
1729 drawtext_filter_deps="libfreetype"
1730 frei0r_filter_deps="frei0r dlopen"
1731 frei0r_filter_extralibs='$ldl'
1732 frei0r_src_filter_deps="frei0r dlopen"
1733 frei0r_src_filter_extralibs='$ldl'
1734 hqdn3d_filter_deps="gpl"
1735 movie_filter_deps="avcodec avformat"
1736 mp_filter_deps="gpl avcodec swscale postproc"
1737 mptestsrc_filter_deps="gpl"
1738 negate_filter_deps="lut_filter"
1739 resample_filter_deps="avresample"
1740 ocv_filter_deps="libopencv"
1741 pan_filter_deps="swresample"
1742 removelogo_filter_deps="avcodec avformat swscale"
1743 scale_filter_deps="swscale"
1744 select_filter_deps="avcodec"
1745 super2xsai_filter_deps="gpl"
1746 tinterlace_filter_deps="gpl"
1747 yadif_filter_deps="gpl"
1748
1749 # libraries
1750 avdevice_deps="avcodec avformat"
1751 avformat_deps="avcodec"
1752 postproc_deps="gpl"
1753
1754 # programs
1755 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1756 ffmpeg_select="buffersink_filter format_filter aformat_filter
1757                setpts_filter null_filter anull_filter"
1758 ffplay_deps="avcodec avformat swscale swresample sdl"
1759 ffplay_select="buffersink_filter rdft"
1760 ffprobe_deps="avcodec avformat"
1761 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1762 ffserver_extralibs='$ldl'
1763
1764 doc_deps="texi2html"
1765
1766 # tests
1767
1768 test_deps(){
1769     suf1=$1
1770     suf2=$2
1771     shift 2
1772     for v; do
1773         dep=${v%=*}
1774         tests=${v#*=}
1775         for name in ${tests}; do
1776             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1777         done
1778     done
1779 }
1780
1781 mxf_d10_test_deps="avfilter"
1782 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1783
1784 test_deps _muxer _demuxer                                               \
1785     aiff                                                                \
1786     pcm_alaw=alaw                                                       \
1787     asf                                                                 \
1788     au                                                                  \
1789     avi                                                                 \
1790     dv=dv_fmt                                                           \
1791     ffm                                                                 \
1792     flv=flv_fmt                                                         \
1793     gxf                                                                 \
1794     matroska=mkv                                                        \
1795     mmf                                                                 \
1796     mov="mov ismv"                                                      \
1797     pcm_mulaw=mulaw                                                     \
1798     mxf="mxf mxf_d10"                                                   \
1799     nut                                                                 \
1800     ogg="ogg ogg_vp3"                                                   \
1801     rawvideo=pixfmt                                                     \
1802     rm                                                                  \
1803     swf                                                                 \
1804     mpegts=ts                                                           \
1805     voc                                                                 \
1806     wav                                                                 \
1807     yuv4mpegpipe=yuv4mpeg                                               \
1808
1809 colormatrix1_test_deps="colormatrix_filter"
1810 colormatrix2_test_deps="colormatrix_filter"
1811 flashsv2_test_deps="zlib"
1812 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1813 mpng_test_deps="zlib"
1814 pp_test_deps="mp_filter"
1815 pp2_test_deps="mp_filter"
1816 pp3_test_deps="mp_filter"
1817 pp4_test_deps="mp_filter"
1818 pp5_test_deps="mp_filter"
1819 pp6_test_deps="mp_filter"
1820 zlib_test_deps="zlib"
1821 zmbv_test_deps="zlib"
1822
1823 # default parameters
1824
1825 logfile="config.log"
1826
1827 # installation paths
1828 prefix_default="/usr/local"
1829 bindir_default='${prefix}/bin'
1830 datadir_default='${prefix}/share/ffmpeg'
1831 incdir_default='${prefix}/include'
1832 libdir_default='${prefix}/lib'
1833 mandir_default='${prefix}/share/man'
1834 shlibdir_default="$libdir_default"
1835 postproc_version_default="current"
1836
1837 # toolchain
1838 ar_default="ar"
1839 cc_default="gcc"
1840 cxx_default="g++"
1841 cc_version=\"unknown\"
1842 host_cc_default="gcc"
1843 install="install"
1844 ln_s="ln -sf"
1845 nm_default="nm"
1846 objformat="elf"
1847 pkg_config_default=pkg-config
1848 ranlib="ranlib"
1849 strip_default="strip"
1850 yasmexe_default="yasm"
1851
1852 nm_opts='-g'
1853 nogas=":"
1854
1855 # machine
1856 arch_default=$(uname -m)
1857 cpu="generic"
1858
1859 # OS
1860 target_os_default=$(tolower $(uname -s))
1861 host_os=$target_os_default
1862
1863 # alternative libpostproc version
1864 ALT_PP_VER_MAJOR=51
1865 ALT_PP_VER_MINOR=2
1866 ALT_PP_VER_MICRO=101
1867 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1868
1869 # configurable options
1870 enable $PROGRAM_LIST
1871
1872 enable avcodec
1873 enable avdevice
1874 enable avfilter
1875 enable avformat
1876 enable avutil
1877 enable postproc
1878 enable stripping
1879 enable swresample
1880 enable swscale
1881
1882 enable asm
1883 enable debug
1884 enable doc
1885 enable fastdiv
1886 enable network
1887 enable optimizations
1888 enable safe_bitstream_reader
1889 enable static
1890 enable swscale_alpha
1891
1892 # build settings
1893 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1894 FFSERVERLDFLAGS=-Wl,-E
1895 LIBPREF="lib"
1896 LIBSUF=".a"
1897 FULLNAME='$(NAME)$(BUILDSUF)'
1898 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1899 SLIBPREF="lib"
1900 SLIBSUF=".so"
1901 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1902 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1903 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1904 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1905 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1906 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1907
1908 AS_O='-o $@'
1909 CC_O='-o $@'
1910 CXX_O='-o $@'
1911
1912 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
1913 host_libs='-lm'
1914
1915 target_path='$(CURDIR)'
1916
1917 # since the object filename is not given with the -MM flag, the compiler
1918 # is only able to print the basename, and we must add the path ourselves
1919 DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
1920 DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -MM'
1921
1922 # find source path
1923 if test -f configure; then
1924     source_path=.
1925 else
1926     source_path=$(cd $(dirname "$0"); pwd)
1927     echo "$source_path" | grep -q '[[:blank:]]' &&
1928         die "Out of tree builds are impossible with whitespace in source path."
1929     test -e "$source_path/config.h" &&
1930         die "Out of tree builds are impossible with config.h in source dir."
1931 fi
1932
1933 for v in "$@"; do
1934     r=${v#*=}
1935     l=${v%"$r"}
1936     r=$(sh_quote "$r")
1937     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
1938 done
1939
1940 find_things(){
1941     thing=$1
1942     pattern=$2
1943     file=$source_path/$3
1944     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
1945 }
1946
1947 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
1948 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
1949 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
1950 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
1951 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
1952 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
1953 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
1954 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
1955 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
1956 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
1957 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
1958
1959 ALL_COMPONENTS="
1960     $BSF_LIST
1961     $DECODER_LIST
1962     $DEMUXER_LIST
1963     $ENCODER_LIST
1964     $FILTER_LIST
1965     $HWACCEL_LIST
1966     $INDEV_LIST
1967     $MUXER_LIST
1968     $OUTDEV_LIST
1969     $PARSER_LIST
1970     $PROTOCOL_LIST
1971 "
1972
1973 find_tests(){
1974     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
1975 }
1976
1977 LAVF_FATE_TESTS=$(find_tests lavf-fate)
1978 LAVF_TESTS=$(find_tests lavf)
1979 LAVFI_TESTS=$(find_tests lavfi)
1980 SEEK_TESTS=$(find_tests seek seek_)
1981
1982 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
1983
1984 for n in $COMPONENT_LIST; do
1985     v=$(toupper ${n%s})_LIST
1986     eval enable \$$v
1987     eval ${n}_if_any="\$$v"
1988 done
1989
1990 enable $ARCH_EXT_LIST $ALL_TESTS
1991
1992 die_unknown(){
1993     echo "Unknown option \"$1\"."
1994     echo "See $0 --help for available options."
1995     exit 1
1996 }
1997
1998 show_list() {
1999     suffix=_$1
2000     shift
2001     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2002     exit 0
2003 }
2004
2005 rand_list(){
2006     IFS=', '
2007     set -- $*
2008     unset IFS
2009     for thing; do
2010         comp=${thing%:*}
2011         prob=${thing#$comp}
2012         prob=${prob#:}
2013         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2014         echo "prob ${prob:-0.5}"
2015         printf '%s\n' $comp
2016     done
2017 }
2018
2019 do_random(){
2020     action=$1
2021     shift
2022     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2023     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2024 }
2025
2026 for opt do
2027     optval="${opt#*=}"
2028     case "$opt" in
2029     --extra-ldflags=*) add_ldflags $optval
2030     ;;
2031     --extra-libs=*) add_extralibs $optval
2032     ;;
2033     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2034     ;;
2035     --enable-debug=*) debuglevel="$optval"
2036     ;;
2037     --disable-everything)
2038     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2039     ;;
2040     --enable-random|--disable-random)
2041     action=${opt%%-random}
2042     do_random ${action#--} $COMPONENT_LIST
2043     ;;
2044     --enable-random=*|--disable-random=*)
2045     action=${opt%%-random=*}
2046     do_random ${action#--} $optval
2047     ;;
2048     --enable-*=*|--disable-*=*)
2049     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2050     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2051     eval list=\$$(toupper $thing)_LIST
2052     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2053     $action $(filter "$name" $list)
2054     ;;
2055     --enable-?*|--disable-?*)
2056     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2057     if is_in $option $COMPONENT_LIST; then
2058         test $action = disable && action=unset
2059         eval $action \$$(toupper ${option%s})_LIST
2060     elif is_in $option $CMDLINE_SELECT; then
2061         $action $option
2062     else
2063         die_unknown $opt
2064     fi
2065     ;;
2066     --list-*)
2067         NAME="${opt#--list-}"
2068         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2069         NAME=${NAME%s}
2070         eval show_list $NAME \$$(toupper $NAME)_LIST
2071     ;;
2072     --help|-h) show_help
2073     ;;
2074     *)
2075     optname="${opt%%=*}"
2076     optname="${optname#--}"
2077     optname=$(echo "$optname" | sed 's/-/_/g')
2078     if is_in $optname $CMDLINE_SET; then
2079         eval $optname='$optval'
2080     elif is_in $optname $CMDLINE_APPEND; then
2081         append $optname "$optval"
2082     else
2083          die_unknown $opt
2084     fi
2085     ;;
2086     esac
2087 done
2088
2089 disabled logging && logfile=/dev/null
2090
2091 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2092 set >> $logfile
2093
2094 test -n "$cross_prefix" && enable cross_compile
2095
2096 if enabled cross_compile; then
2097     test -n "$arch" && test -n "$target_os" ||
2098         die "Must specify target arch and OS when cross-compiling"
2099 fi
2100
2101 set_default arch target_os postproc_version
2102
2103 # Check if we should build alternative libpostproc version instead of current
2104 if   test "$postproc_version" = $ALT_PP_VER; then
2105   LIBPOSTPROC_VERSION=$ALT_PP_VER
2106   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2107   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2108   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2109 elif test "$postproc_version" != current; then
2110   die "Invalid argument to --postproc-version. See --help output."
2111 fi
2112
2113 ar_default="${cross_prefix}${ar_default}"
2114 cc_default="${cross_prefix}${cc_default}"
2115 cxx_default="${cross_prefix}${cxx_default}"
2116 nm_default="${cross_prefix}${nm_default}"
2117 pkg_config_default="${cross_prefix}${pkg_config_default}"
2118 ranlib="${cross_prefix}${ranlib}"
2119 strip_default="${cross_prefix}${strip_default}"
2120
2121 sysinclude_default="${sysroot}/usr/include"
2122
2123 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2124 enabled cross_compile || host_cc_default=$cc
2125 set_default host_cc
2126
2127 if ! $pkg_config --version >/dev/null 2>&1; then
2128     warn "$pkg_config not found, library detection may fail."
2129     pkg_config=false
2130 fi
2131
2132 exesuf() {
2133     case $1 in
2134         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2135     esac
2136 }
2137
2138 EXESUF=$(exesuf $target_os)
2139 HOSTEXESUF=$(exesuf $host_os)
2140
2141 # set temporary file name
2142 : ${TMPDIR:=$TEMPDIR}
2143 : ${TMPDIR:=$TMP}
2144 : ${TMPDIR:=/tmp}
2145
2146 if ! check_cmd mktemp -u XXXXXX; then
2147     # simple replacement for missing mktemp
2148     # NOT SAFE FOR GENERAL USE
2149     mktemp(){
2150         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2151     }
2152 fi
2153
2154 tmpfile(){
2155     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2156         (set -C; exec > $tmp) 2>/dev/null ||
2157         die "Unable to create temporary file in $TMPDIR."
2158     append TMPFILES $tmp
2159     eval $1=$tmp
2160 }
2161
2162 trap 'rm -f -- $TMPFILES' EXIT
2163
2164 tmpfile TMPASM .asm
2165 tmpfile TMPC   .c
2166 tmpfile TMPCPP .cpp
2167 tmpfile TMPE   $EXESUF
2168 tmpfile TMPH   .h
2169 tmpfile TMPO   .o
2170 tmpfile TMPS   .S
2171 tmpfile TMPSH  .sh
2172 tmpfile TMPV   .ver
2173
2174 unset -f mktemp
2175
2176 chmod +x $TMPE
2177
2178 # make sure we can execute files in $TMPDIR
2179 cat > $TMPSH 2>> $logfile <<EOF
2180 #! /bin/sh
2181 EOF
2182 chmod +x $TMPSH >> $logfile 2>&1
2183 if ! $TMPSH >> $logfile 2>&1; then
2184     cat <<EOF
2185 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2186 variable to another directory and make sure that it is not mounted noexec.
2187 EOF
2188     die "Sanity test failed."
2189 fi
2190
2191 filter_asflags=echo
2192 filter_cflags=echo
2193 filter_cppflags=echo
2194
2195 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2196     cc_type=llvm_gcc
2197     cc_version=__VERSION__
2198     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
2199     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
2200     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2201     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2202     speed_cflags='-O3'
2203     size_cflags='-Os'
2204 elif $cc -v 2>&1 | grep -qi ^gcc; then
2205     cc_type=gcc
2206     cc_version=__VERSION__
2207     gcc_version=$($cc --version | head -n1)
2208     gcc_basever=$($cc -dumpversion)
2209     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2210     gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2211     cc_ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2212     if ! $cc -dumpversion | grep -q '^2\.'; then
2213         CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2214         AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2215     fi
2216     speed_cflags='-O3'
2217     size_cflags='-Os'
2218 elif $cc --version 2>/dev/null | grep -q Intel; then
2219     cc_type=icc
2220     cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
2221     cc_ident=$($cc --version | head -n1)
2222     icc_version=$($cc -dumpversion)
2223     CC_DEPFLAGS='-MMD'
2224     AS_DEPFLAGS='-MMD'
2225     speed_cflags='-O3'
2226     size_cflags='-Os'
2227     noopt_cflags='-O1'
2228 elif $cc -v 2>&1 | grep -q xlc; then
2229     cc_type=xlc
2230     cc_version="AV_STRINGIFY(__IBMC__)"
2231     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
2232     speed_cflags='-O5'
2233     size_cflags='-O5 -qcompact'
2234 elif $cc -V 2>/dev/null | grep -q Compaq; then
2235     cc_type=ccc
2236     cc_version="AV_STRINGIFY(__DECC_VER)"
2237     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
2238     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
2239     debuglevel=3
2240     add_ldflags -Wl,-z,now # calls to libots crash without this
2241     speed_cflags='-fast'
2242     size_cflags='-O1'
2243 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2244     test -d "$sysroot" || die "No valid sysroot specified."
2245     cc_type=armcc
2246     cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
2247     cc_ident=$($cc --vsn | head -n1)
2248     armcc_conf="$PWD/armcc.conf"
2249     $cc --arm_linux_configure                 \
2250         --arm_linux_config_file="$armcc_conf" \
2251         --configure_sysroot="$sysroot"        \
2252         --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2253         die "Error creating armcc configuration file."
2254     $cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2255     cc="$cc --arm_linux_config_file=$armcc_conf --translate_gcc"
2256     as_default="${cross_prefix}gcc"
2257     CC_DEPFLAGS='-MMD'
2258     AS_DEPFLAGS='-MMD'
2259     speed_cflags='-O3'
2260     size_cflags='-Os'
2261     filter_asflags="filter_out -W${armcc_opt}*"
2262 elif $cc -version 2>/dev/null | grep -q TMS470; then
2263     cc_type=tms470
2264     cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
2265     cc_ident=$($cc -version | head -n1 | tr -s ' ')
2266     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
2267     CC_O='-fr=$(@D)'
2268     as_default="${cross_prefix}gcc"
2269     ld_default="${cross_prefix}gcc"
2270     TMPO=$(basename $TMPC .c).o
2271     append TMPFILES $TMPO
2272     add_cflags -D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__=
2273     CC_DEPFLAGS='-ppa -ppd=$(@:.o=.d)'
2274     AS_DEPFLAGS='-MMD'
2275     speed_cflags='-O3 -mf=5'
2276     size_cflags='-O3 -mf=2'
2277     filter_cflags=tms470_flags
2278     tms470_flags(){
2279         for flag; do
2280             case $flag in
2281                 -march=*|-mcpu=*)
2282                     case "${flag#*=}" in
2283                         armv7-a|cortex-a*)      echo -mv=7a8 ;;
2284                         armv7-r|cortex-r*)      echo -mv=7r4 ;;
2285                         armv7-m|cortex-m*)      echo -mv=7m3 ;;
2286                         armv6*|arm11*)          echo -mv=6   ;;
2287                         armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2288                                                 echo -mv=5e  ;;
2289                         armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2290                     esac
2291                     ;;
2292                 -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2293                 -mfpu=vfp)      echo --float_support=vfpv2        ;;
2294                 -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2295                 -msoft-float)   echo --float_support=vfplib       ;;
2296                 -O[0-3]|-mf=*)  echo $flag                        ;;
2297                 -g)             echo -g -mn                       ;;
2298                 -pds=*)         echo $flag                        ;;
2299             esac
2300         done
2301     }
2302 elif $cc -v 2>&1 | grep -q clang; then
2303     cc_type=clang
2304     $cc -dM -E $TMPC | grep -q __clang_version__ &&
2305         cc_version=__clang_version__ || cc_version=__VERSION__
2306     cc_ident=$($cc --version | head -n1)
2307     CC_DEPFLAGS='-MMD'
2308     AS_DEPFLAGS='-MMD'
2309     speed_cflags='-O3'
2310     size_cflags='-Os'
2311 elif $cc -V 2>&1 | grep -q Sun; then
2312     cc_type=suncc
2313     cc_version="AV_STRINGIFY(__SUNPRO_C)"
2314     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2315     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2316     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
2317     add_ldflags -xc99
2318     speed_cflags='-O5'
2319     size_cflags='-O5 -xspace'
2320     filter_cflags=suncc_flags
2321     suncc_flags(){
2322         for flag; do
2323             case $flag in
2324                 -march=*|-mcpu=*)
2325                     case "${flag#*=}" in
2326                         native)                   echo -xtarget=native       ;;
2327                         v9|niagara)               echo -xarch=sparc          ;;
2328                         ultrasparc)               echo -xarch=sparcvis       ;;
2329                         ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2330                         i586|pentium)             echo -xchip=pentium        ;;
2331                         i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2332                         pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2333                         pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2334                         pentium4*)          echo -xtarget=pentium4           ;;
2335                         prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2336                         *-sse3)             echo -xarch=sse3                 ;;
2337                         core2)              echo -xarch=ssse3 -xchip=core2   ;;
2338                         amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2339                         athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2340                         k8|opteron|athlon64|athlon-fx)
2341                                                   echo -xarch=sse2a          ;;
2342                         athlon*)                  echo -xarch=pentium_proa   ;;
2343                     esac
2344                     ;;
2345                 -std=c99)             echo -xc99              ;;
2346                 -fomit-frame-pointer) echo -xregs=frameptr    ;;
2347                 -fPIC)                echo -KPIC -xcode=pic32 ;;
2348                 -W*,*)                echo $flag              ;;
2349                 -f*-*|-W*)                                    ;;
2350                 *)                    echo $flag              ;;
2351             esac
2352         done
2353     }
2354 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2355     cc_type=pathscale
2356     cc_version=__PATHSCALE__
2357     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2358     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2359     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2360     speed_cflags='-O2'
2361     size_cflags='-Os'
2362     filter_cflags='filter_out -Wdisabled-optimization'
2363 elif $cc -v 2>&1 | grep -q Open64; then
2364     cc_type=open64
2365     cc_version=__OPEN64__
2366     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
2367     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2368     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
2369     speed_cflags='-O2'
2370     size_cflags='-Os'
2371     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2372 elif $cc -V 2>&1 | grep -q Portland; then
2373     cc_type=pgi
2374     cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
2375     cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2376     opt_common='-alias=ansi -Mlre -Mpre'
2377     speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2378     size_cflags="-O2 -Munroll=c:1 $opt_common"
2379     noopt_cflags="-O1"
2380     filter_cflags=pgi_flags
2381     pgi_flags(){
2382         for flag; do
2383             case $flag in
2384                 -fomit-frame-pointer) echo -Mnoframe ;;
2385                 -g)                   echo -gopt ;;
2386                 *)                    echo $flag ;;
2387             esac
2388         done
2389     }
2390 fi
2391
2392 test -n "$cc_type" && enable $cc_type ||
2393     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2394
2395 : ${as_default:=$cc}
2396 : ${dep_cc_default:=$cc}
2397 : ${ld_default:=$cc}
2398 set_default ar as dep_cc ld
2399
2400 test -n "$CC_DEPFLAGS" || CCDEP=$DEPEND_CMD
2401 test -n "$CXX_DEPFLAGS" || CXXDEP=$DEPEND_CMD
2402 test -n "$AS_DEPFLAGS" || ASDEP=$DEPEND_CMD
2403
2404 add_cflags $extra_cflags
2405 add_cxxflags $extra_cxxflags
2406 add_asflags $extra_cflags
2407
2408 if test -n "$sysroot"; then
2409     case "$cc_type" in
2410         gcc|llvm_gcc|clang)
2411             add_cppflags --sysroot="$sysroot"
2412             add_ldflags --sysroot="$sysroot"
2413         ;;
2414         tms470)
2415             add_cppflags -I"$sysinclude"
2416             add_ldflags  --sysroot="$sysroot"
2417         ;;
2418     esac
2419 fi
2420
2421 if test "$cpu" = host; then
2422     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2423
2424     case "$cc_type" in
2425         gcc|llvm_gcc)
2426             check_native(){
2427                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2428                 sed -n "/cc1.*$1=/{
2429                             s/.*$1=\\([^ ]*\\).*/\\1/
2430                             p
2431                             q
2432                         }" $TMPE
2433             }
2434             cpu=$(check_native -march || check_native -mcpu)
2435         ;;
2436     esac
2437
2438     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2439 fi
2440
2441 # Deal with common $arch aliases
2442 case "$arch" in
2443     arm*|iPad*)
2444         arch="arm"
2445     ;;
2446     mips|mipsel|IP*)
2447         arch="mips"
2448     ;;
2449     mips64*)
2450         arch="mips"
2451         subarch="mips64"
2452     ;;
2453     parisc|hppa)
2454         arch="parisc"
2455     ;;
2456     parisc64|hppa64)
2457         arch="parisc"
2458         subarch="parisc64"
2459     ;;
2460     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2461         arch="ppc"
2462     ;;
2463     s390|s390x)
2464         arch="s390"
2465     ;;
2466     sh4|sh)
2467         arch="sh4"
2468     ;;
2469     sun4u|sparc64)
2470         arch="sparc"
2471         subarch="sparc64"
2472     ;;
2473     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2474         arch="x86"
2475     ;;
2476 esac
2477
2478 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2479 enable $arch
2480
2481 # Add processor-specific flags
2482 if test "$cpu" = generic; then
2483     : do nothing
2484 elif enabled ppc; then
2485
2486     case $(tolower $cpu) in
2487         601|ppc601|powerpc601)
2488             cpuflags="-mcpu=601"
2489             disable altivec
2490         ;;
2491         603*|ppc603*|powerpc603*)
2492             cpuflags="-mcpu=603"
2493             disable altivec
2494         ;;
2495         604*|ppc604*|powerpc604*)
2496             cpuflags="-mcpu=604"
2497             disable altivec
2498         ;;
2499         g3|75*|ppc75*|powerpc75*)
2500             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2501             disable altivec
2502         ;;
2503         g4|745*|ppc745*|powerpc745*)
2504             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2505         ;;
2506         74*|ppc74*|powerpc74*)
2507             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2508         ;;
2509         g5|970|ppc970|powerpc970)
2510             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2511         ;;
2512         power[3-7]*)
2513             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2514         ;;
2515         cell)
2516             cpuflags="-mcpu=cell"
2517             enable ldbrx
2518         ;;
2519         e500v2)
2520             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2521             disable altivec
2522         ;;
2523         e500)
2524             cpuflags="-mcpu=8540 -mhard-float"
2525             disable altivec
2526         ;;
2527     esac
2528
2529 elif enabled x86; then
2530
2531     case $cpu in
2532         i[345]86|pentium)
2533             cpuflags="-march=$cpu"
2534             disable mmx
2535         ;;
2536         # targets that do NOT support conditional mov (cmov)
2537         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2538             cpuflags="-march=$cpu"
2539             disable cmov
2540         ;;
2541         # targets that do support conditional mov (cmov)
2542         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2543             cpuflags="-march=$cpu"
2544             enable cmov
2545             enable fast_cmov
2546         ;;
2547         # targets that do support conditional mov but on which it's slow
2548         pentium4|pentium4m|prescott|nocona)
2549             cpuflags="-march=$cpu"
2550             enable cmov
2551             disable fast_cmov
2552         ;;
2553     esac
2554
2555 elif enabled sparc; then
2556
2557     case $cpu in
2558         niagara)
2559             cpuflags="-mcpu=$cpu"
2560             disable vis
2561         ;;
2562         sparc64)
2563             cpuflags="-mcpu=v9"
2564         ;;
2565     esac
2566
2567 elif enabled arm; then
2568
2569     case $cpu in
2570         armv*)
2571             cpuflags="-march=$cpu"
2572             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2573         ;;
2574         *)
2575             cpuflags="-mcpu=$cpu"
2576             case $cpu in
2577                 cortex-a*)                               subarch=armv7a  ;;
2578                 cortex-r*)                               subarch=armv7r  ;;
2579                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2580                 arm11*)                                  subarch=armv6   ;;
2581                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2582                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2583             esac
2584         ;;
2585     esac
2586
2587 elif enabled alpha; then
2588
2589     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2590
2591 elif enabled bfin; then
2592
2593     cpuflags="-mcpu=$cpu"
2594
2595 elif enabled mips; then
2596
2597     cpuflags="-march=$cpu"
2598
2599     case $cpu in
2600         24kc)
2601             disable mipsfpu
2602             disable mipsdspr1
2603             disable mipsdspr2
2604         ;;
2605         24kf*)
2606             disable mipsdspr1
2607             disable mipsdspr2
2608         ;;
2609         24kec|34kc|1004kc)
2610             disable mipsfpu
2611             disable mipsdspr2
2612         ;;
2613         24kef*|34kf*|1004kf*)
2614             disable mipsdspr2
2615         ;;
2616         74kc)
2617             disable mipsfpu
2618         ;;
2619     esac
2620
2621 elif enabled avr32; then
2622
2623     case $cpu in
2624         ap7[02]0[0-2])
2625             subarch="avr32_ap"
2626             cpuflags="-mpart=$cpu"
2627         ;;
2628         ap)
2629             subarch="avr32_ap"
2630             cpuflags="-march=$cpu"
2631         ;;
2632         uc3[ab]*)
2633             subarch="avr32_uc"
2634             cpuflags="-mcpu=$cpu"
2635         ;;
2636         uc)
2637             subarch="avr32_uc"
2638             cpuflags="-march=$cpu"
2639         ;;
2640     esac
2641
2642 fi
2643
2644 add_cflags $cpuflags
2645 add_asflags $cpuflags
2646
2647 # compiler sanity check
2648 check_exec <<EOF
2649 int main(void){ return 0; }
2650 EOF
2651 if test "$?" != 0; then
2652     echo "$cc is unable to create an executable file."
2653     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2654         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2655         echo "Only do this if you know what cross compiling means."
2656     fi
2657     die "C compiler test failed."
2658 fi
2659
2660 add_cppflags -D_ISOC99_SOURCE
2661 add_cxxflags -D__STDC_CONSTANT_MACROS
2662 check_cflags -std=c99
2663 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2664 #include <stdlib.h>
2665 EOF
2666 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2667 #include <stdlib.h>
2668 EOF
2669
2670 check_host_cflags -std=c99
2671 check_host_cflags -Wall
2672
2673 case "$arch" in
2674     alpha|ia64|mips|parisc|sparc)
2675         spic=$shared
2676     ;;
2677     x86)
2678         subarch="x86_32"
2679         check_cc <<EOF && subarch="x86_64"
2680         int test[(int)sizeof(char*) - 7];
2681 EOF
2682         if test "$subarch" = "x86_64"; then
2683             spic=$shared
2684         fi
2685     ;;
2686     ppc)
2687         check_cc <<EOF && subarch="ppc64"
2688         int test[(int)sizeof(char*) - 7];
2689 EOF
2690     ;;
2691 esac
2692
2693 enable $subarch
2694 enabled spic && enable pic
2695
2696 # OS specific
2697 case $target_os in
2698     haiku)
2699         prefix_default="/boot/common"
2700         network_extralibs="-lnetwork"
2701         host_libs=
2702         ;;
2703     sunos)
2704         FFSERVERLDFLAGS=""
2705         SHFLAGS='-shared -Wl,-h,$$(@F)'
2706         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2707         network_extralibs="-lsocket -lnsl"
2708         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2709         # When using suncc to build, the Solaris linker will mark
2710         # an executable with each instruction set encountered by
2711         # the Solaris assembler.  As our libraries contain their own
2712         # guards for processor-specific code, instead suppress
2713         # generation of the HWCAPS ELF section on Solaris x86 only.
2714         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2715         nm_opts='-P -g'
2716         ;;
2717     netbsd)
2718         disable symver
2719         oss_indev_extralibs="-lossaudio"
2720         oss_outdev_extralibs="-lossaudio"
2721         ;;
2722     openbsd|bitrig)
2723         # On OpenBSD 4.5. the compiler does not use PIC unless
2724         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2725         # however the generated executable will not do anything
2726         # (simply quits with exit-code 1, no crash, no output).
2727         # Thus explicitly enable PIC here.
2728         enable pic
2729         disable symver
2730         SHFLAGS='-shared'
2731         SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2732         oss_indev_extralibs="-lossaudio"
2733         oss_outdev_extralibs="-lossaudio"
2734         ;;
2735     dragonfly)
2736         disable symver
2737         ;;
2738     freebsd)
2739         ;;
2740     bsd/os)
2741         add_extralibs -lpoll -lgnugetopt
2742         strip="strip -d"
2743         ;;
2744     darwin)
2745         gas="gas-preprocessor.pl $cc"
2746         enabled ppc && add_asflags -force_cpusubtype_ALL
2747         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2748         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2749         strip="${strip} -x"
2750         add_ldflags -Wl,-dynamic,-search_paths_first
2751         SLIBSUF=".dylib"
2752         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2753         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2754         FFSERVERLDFLAGS=-Wl,-bind_at_load
2755         objformat="macho"
2756         enabled x86_64 && objformat="macho64"
2757         enabled_any pic shared ||
2758             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2759         ;;
2760     mingw32*)
2761         if test $target_os = "mingw32ce"; then
2762             disable network
2763         else
2764             target_os=mingw32
2765         fi
2766         LIBTARGET=i386
2767         if enabled x86_64; then
2768             LIBTARGET=x64
2769         elif enabled arm; then
2770             LIBTARGET=arm-wince
2771         fi
2772         shlibdir_default="$bindir_default"
2773         SLIBPREF=""
2774         SLIBSUF=".dll"
2775         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2776         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2777         SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2778         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2779         SLIB_INSTALL_LINKS=
2780         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2781         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2782         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'
2783         objformat="win32"
2784         enable dos_paths
2785         check_cflags -fno-common
2786         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2787                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2788                 die "ERROR: MinGW runtime version must be >= 3.15."
2789         add_cppflags -U__STRICT_ANSI__
2790         ;;
2791     cygwin*)
2792         target_os=cygwin
2793         shlibdir_default="$bindir_default"
2794         SLIBPREF="cyg"
2795         SLIBSUF=".dll"
2796         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2797         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2798         SHFLAGS='-shared -Wl,--enable-auto-image-base'
2799         objformat="win32"
2800         enable dos_paths
2801         check_cflags -fno-common
2802         add_cppflags -U__STRICT_ANSI__
2803         ;;
2804     *-dos|freedos|opendos)
2805         network_extralibs="-lsocket"
2806         objformat="coff"
2807         enable dos_paths
2808         add_cppflags -U__STRICT_ANSI__
2809         ;;
2810     linux)
2811         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2812         enable dv1394
2813         ;;
2814     irix*)
2815         target_os=irix
2816         ranlib="echo ignoring ranlib"
2817         ;;
2818     os/2*)
2819         strip="lxlite -CS"
2820         ln_s="cp -f"
2821         objformat="aout"
2822         add_cppflags -D_GNU_SOURCE
2823         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2824         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2825         FFSERVERLDFLAGS=""
2826         LIBSUF="_s.a"
2827         SLIBPREF=""
2828         SLIBSUF=".dll"
2829         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2830         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2831         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2832           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2833           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2834           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2835           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2836           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2837         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2838           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2839         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2840         enable dos_paths
2841         enable_weak os2threads
2842         ;;
2843     gnu/kfreebsd)
2844         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2845         ;;
2846     gnu)
2847         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2848         ;;
2849     qnx)
2850         add_cppflags -D_QNX_SOURCE
2851         network_extralibs="-lsocket"
2852         ;;
2853     symbian)
2854         SLIBSUF=".dll"
2855         enable dos_paths
2856         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2857         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2858         add_ldflags -Wl,--target1-abs,--no-undefined \
2859                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2860                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2861         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2862                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2863                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2864         ;;
2865     none)
2866         ;;
2867     *)
2868         die "Unknown OS '$target_os'."
2869         ;;
2870 esac
2871
2872 esc(){
2873     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
2874 }
2875
2876 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
2877
2878 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
2879
2880 set_default $PATHS_LIST
2881
2882 # we need to build at least one lib type
2883 if ! enabled_any static shared; then
2884     cat <<EOF
2885 At least one library type must be built.
2886 Specify --enable-static to build the static libraries or --enable-shared to
2887 build the shared libraries as well. To only build the shared libraries specify
2888 --disable-static in addition to --enable-shared.
2889 EOF
2890     exit 1;
2891 fi
2892
2893 die_license_disabled() {
2894     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
2895 }
2896
2897 die_license_disabled_gpl() {
2898     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
2899 }
2900
2901 die_license_disabled gpl libcdio
2902 die_license_disabled gpl libutvideo
2903 die_license_disabled gpl libx264
2904 die_license_disabled gpl libxavs
2905 die_license_disabled gpl libxvid
2906 die_license_disabled gpl x11grab
2907
2908 die_license_disabled nonfree libaacplus
2909 die_license_disabled nonfree libfaac
2910 enabled gpl && die_license_disabled_gpl nonfree openssl
2911
2912 die_license_disabled version3 libopencore_amrnb
2913 die_license_disabled version3 libopencore_amrwb
2914 die_license_disabled version3 libvo_aacenc
2915 die_license_disabled version3 libvo_amrwbenc
2916
2917 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
2918
2919 disabled optimizations || check_cflags -fomit-frame-pointer
2920
2921 enable_pic() {
2922     enable pic
2923     add_cppflags -DPIC
2924     add_cflags   -fPIC
2925     add_asflags  -fPIC
2926 }
2927
2928 enabled pic && enable_pic
2929
2930 check_cc <<EOF || die "Symbol mangling check failed."
2931 int ff_extern;
2932 EOF
2933 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
2934 extern_prefix=${sym%%ff_extern*}
2935
2936 check_cc <<EOF && enable inline_asm
2937 void foo(void) { __asm__ volatile ("" ::); }
2938 EOF
2939
2940 _restrict=
2941 for restrict_keyword in restrict __restrict__ __restrict; do
2942     check_cc <<EOF && _restrict=$restrict_keyword && break
2943 void foo(char * $restrict_keyword p);
2944 EOF
2945 done
2946
2947 check_cc <<EOF && enable attribute_packed
2948 struct { int x; } __attribute__((packed)) x;
2949 EOF
2950
2951 check_cc <<EOF && enable attribute_may_alias
2952 union { int x; } __attribute__((may_alias)) x;
2953 EOF
2954
2955 check_cc <<EOF || die "endian test failed"
2956 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
2957 EOF
2958 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
2959
2960 if enabled alpha; then
2961
2962     check_cflags -mieee
2963
2964 elif enabled arm; then
2965
2966     enabled thumb && check_cflags -mthumb || check_cflags -marm
2967     nogas=die
2968
2969     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
2970         enable vfp_args
2971     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
2972         case "${cross_prefix:-$cc}" in
2973             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
2974             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
2975 __asm__ (".eabi_attribute 28, 1");
2976 int main(void) { return 0; }
2977 EOF
2978         esac
2979         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
2980     fi
2981
2982     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
2983     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
2984     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
2985     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
2986     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
2987     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
2988
2989     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
2990
2991     enabled_all armv6t2 shared !pic && enable_pic
2992
2993 elif enabled mips; then
2994
2995     check_asm loongson '"dmult.g $1, $2, $3"'
2996     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
2997     enabled mips32r2  && add_cflags "-mips32r2" &&
2998      check_asm mips32r2  '"rotr $t0, $t1, 1"'
2999     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3000      check_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3001     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3002      check_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3003     enabled mipsfpu   && add_cflags "-mhard-float" &&
3004      check_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
3005
3006
3007 elif enabled ppc; then
3008
3009     enable local_aligned_8 local_aligned_16
3010
3011     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3012     check_asm ibm_asm   '"add 0, 0, 0"'
3013     check_asm ppc4xx    '"maclhw r10, r11, r12"'
3014     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3015
3016     # AltiVec flags: The FSF version of GCC differs from the Apple version
3017     if enabled altivec; then
3018         nogas=warn
3019         check_cflags -maltivec -mabi=altivec &&
3020         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3021         check_cflags -faltivec
3022
3023         # check if our compiler supports Motorola AltiVec C API
3024         check_cc <<EOF || disable altivec
3025 $inc_altivec_h
3026 int main(void) {
3027     vector signed int v1, v2, v3;
3028     v1 = vec_add(v2,v3);
3029     return 0;
3030 }
3031 EOF
3032
3033         # check if our compiler supports braces for vector declarations
3034         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
3035 $inc_altivec_h
3036 int main (void) { (vector int) {1}; return 0; }
3037 EOF
3038     fi
3039
3040 elif enabled sparc; then
3041
3042     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3043         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3044
3045 elif enabled x86; then
3046
3047     enable local_aligned_8 local_aligned_16
3048
3049     # check whether EBP is available on x86
3050     # As 'i' is stored on the stack, this program will crash
3051     # if the base pointer is used to access it because the
3052     # base pointer is cleared in the inline assembly code.
3053     check_exec_crash <<EOF && enable ebp_available
3054     volatile int i=0;
3055     __asm__ volatile (
3056         "xorl %%ebp, %%ebp"
3057     ::: "%ebp");
3058     return i;
3059 EOF
3060
3061     # check whether EBX is available on x86
3062     check_asm ebx_available '""::"b"(0)' &&
3063         check_asm ebx_available '"":::"%ebx"'
3064
3065     # check whether xmm clobbers are supported
3066     check_asm xmm_clobbers '"":::"%xmm0"'
3067
3068     # check whether binutils is new enough to compile SSSE3/MMX2
3069     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
3070     enabled mmx2  && check_asm mmx2  '"pmaxub %mm0, %mm1"'
3071
3072     if ! disabled_any asm mmx yasm; then
3073         if check_cmd $yasmexe --version; then
3074             enabled x86_64 && yasm_extra="-m amd64"
3075             yasm_debug="-g dwarf2"
3076         elif check_cmd nasm -v; then
3077             yasmexe=nasm
3078             yasm_debug="-g -F dwarf"
3079             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3080         fi
3081
3082         YASMFLAGS="-f $objformat $yasm_extra"
3083         enabled pic               && append YASMFLAGS "-DPIC"
3084         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3085         case "$objformat" in
3086             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3087         esac
3088
3089         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3090             die "yasm not found, use --disable-yasm for a crippled build"
3091         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3092     fi
3093
3094     case "$cpu" in
3095         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3096             disable fast_clz
3097         ;;
3098     esac
3099
3100 fi
3101
3102 if enabled asm; then
3103     as=${gas:=$as}
3104     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3105         $nogas "GNU assembler not found, install gas-preprocessor"
3106 fi
3107
3108 check_ldflags -Wl,--as-needed
3109
3110 if check_func dlopen; then
3111     ldl=
3112 elif check_func dlopen -ldl; then
3113     ldl=-ldl
3114 fi
3115
3116 if enabled network; then
3117     check_type "sys/types.h sys/socket.h" socklen_t
3118     check_type netdb.h "struct addrinfo"
3119     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3120     check_type netinet/in.h "struct sockaddr_in6"
3121     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3122     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3123     check_header netinet/sctp.h
3124     # Prefer arpa/inet.h over winsock2
3125     if check_header arpa/inet.h ; then
3126         check_func closesocket
3127     elif check_header winsock2.h ; then
3128         check_func_headers winsock2.h closesocket -lws2 && \
3129             network_extralibs="-lws2" || \
3130         { check_func_headers winsock2.h closesocket -lws2_32 && \
3131             network_extralibs="-lws2_32"; }
3132         check_type ws2tcpip.h socklen_t
3133         check_type ws2tcpip.h "struct addrinfo"
3134         check_type ws2tcpip.h "struct ipv6_mreq"
3135         check_type ws2tcpip.h "struct sockaddr_in6"
3136         check_type ws2tcpip.h "struct sockaddr_storage"
3137         check_struct winsock2.h "struct sockaddr" sa_len
3138     else
3139         disable network
3140     fi
3141 fi
3142
3143 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3144 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3145
3146 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3147 check_func  fcntl
3148 check_func  fork
3149 check_func  getaddrinfo $network_extralibs
3150 check_func  gethrtime
3151 check_func  getrusage
3152 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3153 check_func  gettimeofday
3154 check_func  inet_aton $network_extralibs
3155 check_func  isatty
3156 check_func  localtime_r
3157 check_func  ${malloc_prefix}memalign            && enable memalign
3158 check_func  mkstemp
3159 check_func  mmap
3160 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3161 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
3162 check_func  setrlimit
3163 check_func  strerror_r
3164 check_func  strptime
3165 check_func  sched_getaffinity
3166 check_func  sysconf
3167 check_func  sysctl
3168 check_func  usleep
3169 check_func_headers conio.h kbhit
3170 check_func_headers windows.h PeekNamedPipe
3171 check_func_headers io.h setmode
3172 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3173 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3174 check_func_headers windows.h GetProcessAffinityMask
3175 check_func_headers windows.h GetProcessTimes
3176 check_func_headers windows.h GetSystemTimeAsFileTime
3177 check_func_headers windows.h MapViewOfFile
3178 check_func_headers windows.h Sleep
3179 check_func_headers windows.h VirtualAlloc
3180 check_func_headers glob.h glob
3181
3182 check_header dlfcn.h
3183 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3184 check_header libcrystalhd/libcrystalhd_if.h
3185 check_header malloc.h
3186 check_header poll.h
3187 check_header sys/mman.h
3188 check_header sys/param.h
3189 check_header sys/resource.h
3190 check_header sys/select.h
3191 check_header sys/time.h
3192 check_header termios.h
3193 check_header unistd.h
3194 check_header vdpau/vdpau.h
3195 check_header vdpau/vdpau_x11.h
3196 check_header windows.h
3197 check_header X11/extensions/XvMClib.h
3198 check_header asm/types.h
3199
3200 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3201 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3202
3203 # check for VDA header
3204 if ! disabled vda; then
3205     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3206         enable vda
3207         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3208     fi
3209 fi
3210
3211 if ! disabled w32threads && ! enabled pthreads; then
3212     check_func _beginthreadex && enable w32threads
3213 fi
3214
3215 # check for some common methods of building with pthread support
3216 # do this before the optional library checks as some of them require pthreads
3217 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3218     enable pthreads
3219     if check_func pthread_create; then
3220         :
3221     elif check_func pthread_create -pthread; then
3222         add_cflags -pthread
3223         add_extralibs -pthread
3224     elif check_func pthread_create -pthreads; then
3225         add_cflags -pthreads
3226         add_extralibs -pthreads
3227     elif check_func pthread_create -lpthreadGC2; then
3228         add_extralibs -lpthreadGC2
3229     elif ! check_lib pthread.h pthread_create -lpthread; then
3230         disable pthreads
3231     fi
3232 fi
3233
3234 for thread in $THREADS_LIST; do
3235     if enabled $thread; then
3236         test -n "$thread_type" &&
3237             die "ERROR: Only one thread type must be selected." ||
3238             thread_type="$thread"
3239     fi
3240 done
3241
3242 if enabled pthreads; then
3243   check_func pthread_cancel
3244 fi
3245
3246 check_lib math.h sin -lm && LIBM="-lm"
3247 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3248 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3249
3250 check_mathfunc cbrtf
3251 check_mathfunc exp2
3252 check_mathfunc exp2f
3253 check_mathfunc llrint
3254 check_mathfunc llrintf
3255 check_mathfunc log2
3256 check_mathfunc log2f
3257 check_mathfunc lrint
3258 check_mathfunc lrintf
3259 check_mathfunc round
3260 check_mathfunc roundf
3261 check_mathfunc trunc
3262 check_mathfunc truncf
3263
3264 # these are off by default, so fail if requested and not available
3265 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3266 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3267 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3268 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3269 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3270 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3271 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3272 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3273                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3274                         die "ERROR: libcelt version must be >= 0.11.0."; }
3275 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3276 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3277 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3278 enabled libilbc    && require  libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3279 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3280 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3281 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3282 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3283 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3284 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3285 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3286 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3287 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3288 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3289 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3290 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3291     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3292     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3293 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3294 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3295 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3296 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3297 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3298 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3299 enabled libvpx     && {
3300     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3301                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3302     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
3303                                 die "ERROR: libvpx encoder version must be >=0.9.7"; } }
3304 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3305                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3306                         die "ERROR: libx264 version must be >= 0.118."; }
3307 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3308 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3309 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3310                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3311                         die "ERROR: openal not found"; } &&
3312                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3313                         die "ERROR: openal version must be 1.1 or compatible"; }
3314 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3315                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3316                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3317                         die "ERROR: openssl not found"; }
3318
3319 # libdc1394 check
3320 if enabled libdc1394; then
3321     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3322         enable libdc1394_2; } ||
3323     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3324         enable libdc1394_1; } ||
3325     die "ERROR: No version of libdc1394 found "
3326 fi
3327
3328 SDL_CONFIG="${cross_prefix}sdl-config"
3329 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3330     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3331     enable sdl &&
3332     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3333 else
3334   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3335     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3336     sdl_libs=$("${SDL_CONFIG}" --libs)
3337     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3338     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3339     enable sdl &&
3340     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3341   fi
3342 fi
3343 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3344
3345 texi2html -version > /dev/null 2>&1 && enable texi2html || disable texi2html
3346 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3347
3348 check_header linux/fb.h
3349 check_header linux/videodev.h
3350 check_header linux/videodev2.h
3351 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3352
3353 check_header sys/videoio.h
3354
3355 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3356 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3357 # w32api 3.12 had it defined wrong
3358 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3359
3360 check_type "dshow.h" IBaseFilter
3361
3362 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3363 { check_header dev/bktr/ioctl_meteor.h &&
3364   check_header dev/bktr/ioctl_bt848.h; } ||
3365 { check_header machine/ioctl_meteor.h &&
3366   check_header machine/ioctl_bt848.h; } ||
3367 { check_header dev/video/meteor/ioctl_meteor.h &&
3368   check_header dev/video/bktr/ioctl_bt848.h; } ||
3369 check_header dev/ic/bt8xx.h
3370
3371 check_header sndio.h
3372 if check_struct sys/soundcard.h audio_buf_info bytes; then
3373     enable_safe sys/soundcard.h
3374 else
3375     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3376     #include <sys/soundcard.h>
3377     audio_buf_info abc;
3378 EOF
3379 fi
3380 check_header soundcard.h
3381
3382 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3383
3384 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
3385     check_func jack_port_get_latency_range -ljack
3386
3387 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3388
3389 enabled libcdio &&
3390     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3391
3392 enabled x11grab                                           &&
3393 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3394 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3395 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3396
3397 if ! disabled vaapi; then
3398     check_lib va/va.h vaInitialize -lva && {
3399         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3400         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3401     } || disable vaapi
3402 fi
3403
3404 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3405 check_cpp_condition \
3406     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3407     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3408       disable vdpau; }
3409 fi
3410
3411 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3412 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3413 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"
3414
3415 # add some useful compiler flags if supported
3416 check_cflags -Wdeclaration-after-statement
3417 check_cflags -Wall
3418 check_cflags -Wno-parentheses
3419 check_cflags -Wno-switch
3420 check_cflags -Wno-format-zero-length
3421 check_cflags -Wdisabled-optimization
3422 check_cflags -Wpointer-arith
3423 check_cflags -Wredundant-decls
3424 check_cflags -Wno-pointer-sign
3425 check_cflags -Wwrite-strings
3426 check_cflags -Wtype-limits
3427 check_cflags -Wundef
3428 check_cflags -Wmissing-prototypes
3429 check_cflags -Wno-pointer-to-int-cast
3430 check_cflags -Wstrict-prototypes
3431 enabled extra_warnings && check_cflags -Winline
3432
3433 # add some linker flags
3434 check_ldflags -Wl,--warn-common
3435 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3436 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3437
3438 enabled xmm_clobber_test &&                             \
3439     check_ldflags -Wl,--wrap,avcodec_open2              \
3440                   -Wl,--wrap,avcodec_decode_audio4      \
3441                   -Wl,--wrap,avcodec_decode_video2      \
3442                   -Wl,--wrap,avcodec_decode_subtitle2   \
3443                   -Wl,--wrap,avcodec_encode_audio2      \
3444                   -Wl,--wrap,avcodec_encode_video       \
3445                   -Wl,--wrap,avcodec_encode_subtitle    \
3446                   -Wl,--wrap,sws_scale ||               \
3447     disable xmm_clobber_test
3448
3449 echo "X{};" > $TMPV
3450 if test_ldflags -Wl,--version-script,$TMPV; then
3451     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3452     check_cc <<EOF && enable symver_asm_label
3453 void ff_foo(void) __asm__ ("av_foo@VERSION");
3454 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3455 EOF
3456     check_cc <<EOF && enable symver_gnu_asm
3457 __asm__(".symver ff_foo,av_foo@VERSION");
3458 void ff_foo(void) {}
3459 EOF
3460 fi
3461
3462 if [ -n "$optflags" ]; then
3463     add_cflags $optflags
3464 elif enabled small; then
3465     add_cflags $size_cflags
3466 elif enabled optimizations; then
3467     add_cflags $speed_cflags
3468 else
3469     add_cflags $noopt_cflags
3470 fi
3471 check_cflags -fno-math-errno
3472 check_cflags -fno-signed-zeros
3473 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3474 int x;
3475 EOF
3476
3477
3478 if enabled icc; then
3479     # Just warnings, no remarks
3480     check_cflags -w1
3481     # -wd: Disable following warnings
3482     # 144, 167, 556: -Wno-pointer-sign
3483     # 1292: attribute "foo" ignored
3484     # 1419: external declaration in primary source file
3485     # 10006: ignoring unknown option -fno-signed-zeros
3486     # 10148: ignoring unknown option -Wno-parentheses
3487     # 10156: ignoring option '-W'; no argument required
3488     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3489     # 11030: Warning unknown option --as-needed
3490     # 10156: ignoring option '-export'; no argument required
3491     check_ldflags -wd10156,11030
3492     # Allow to compile with optimizations
3493     check_ldflags -march=$cpu
3494     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3495     enable ebp_available
3496     if enabled x86_32; then
3497         test ${icc_version%%.*} -ge 11 && \
3498             check_cflags -falign-stack=maintain-16-byte || \
3499             disable aligned_stack
3500     fi
3501 elif enabled ccc; then
3502     # disable some annoying warnings
3503     add_cflags -msg_disable cvtu32to64
3504     add_cflags -msg_disable embedcomment
3505     add_cflags -msg_disable needconstext
3506     add_cflags -msg_disable nomainieee
3507     add_cflags -msg_disable ptrmismatch1
3508     add_cflags -msg_disable unreachcode
3509 elif enabled gcc; then
3510     check_cflags -fno-tree-vectorize
3511     check_cflags -Werror=implicit-function-declaration
3512     check_cflags -Werror=missing-prototypes
3513 elif enabled llvm_gcc; then
3514     check_cflags -mllvm -stack-alignment=16
3515 elif enabled clang; then
3516     check_cflags -mllvm -stack-alignment=16
3517     check_cflags -Qunused-arguments
3518 elif enabled armcc; then
3519     # 2523: use of inline assembler is deprecated
3520     add_cflags -W${armcc_opt},--diag_suppress=2523
3521     add_cflags -W${armcc_opt},--diag_suppress=1207
3522     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3523     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3524     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3525     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3526 elif enabled tms470; then
3527     add_cflags -pds=824 -pds=837
3528 elif enabled pathscale; then
3529     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3530 fi
3531
3532 enabled_any $THREADS_LIST      && enable threads
3533
3534 check_deps $CONFIG_LIST       \
3535            $CONFIG_EXTRA      \
3536            $HAVE_LIST         \
3537            $ALL_COMPONENTS    \
3538            $ALL_TESTS         \
3539
3540 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3541
3542 if test $target_os = "haiku"; then
3543     disable memalign
3544     disable posix_memalign
3545 fi
3546
3547 ! enabled_any memalign posix_memalign aligned_malloc &&
3548     enabled_any $need_memalign && enable memalign_hack
3549
3550 # add_dep lib dep
3551 # -> enable ${lib}_deps_${dep}
3552 # -> add $dep to ${lib}_deps only once
3553 add_dep() {
3554     lib=$1
3555     dep=$2
3556     enabled "${lib}_deps_${dep}" && return 0
3557     enable  "${lib}_deps_${dep}"
3558     prepend "${lib}_deps" $dep
3559 }
3560
3561 # merge deps lib components
3562 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3563 merge_deps() {
3564     lib=$1
3565     shift
3566     for comp in $*; do
3567         enabled $comp || continue
3568         eval "dep=\"\$${comp}_deps\""
3569         for d in $dep; do
3570             add_dep $lib $d
3571         done
3572     done
3573 }
3574
3575 merge_deps libavfilter $FILTER_LIST
3576
3577 echo "install prefix            $prefix"
3578 echo "source path               $source_path"
3579 echo "C compiler                $cc"
3580 echo "ARCH                      $arch ($cpu)"
3581 if test "$build_suffix" != ""; then
3582     echo "build suffix              $build_suffix"
3583 fi
3584 if test "$progs_suffix" != ""; then
3585     echo "progs suffix              $progs_suffix"
3586 fi
3587 if test "$extra_version" != ""; then
3588     echo "version string suffix     $extra_version"
3589 fi
3590 echo "big-endian                ${bigendian-no}"
3591 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3592 if enabled x86; then
3593     echo "${yasmexe}                      ${yasm-no}"
3594     echo "MMX enabled               ${mmx-no}"
3595     echo "MMX2 enabled              ${mmx2-no}"
3596     echo "3DNow! enabled            ${amd3dnow-no}"
3597     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3598     echo "SSE enabled               ${sse-no}"
3599     echo "SSSE3 enabled             ${ssse3-no}"
3600     echo "AVX enabled               ${avx-no}"
3601     echo "CMOV enabled              ${cmov-no}"
3602     echo "CMOV is fast              ${fast_cmov-no}"
3603     echo "EBX available             ${ebx_available-no}"
3604     echo "EBP available             ${ebp_available-no}"
3605 fi
3606 if enabled arm; then
3607     echo "ARMv5TE enabled           ${armv5te-no}"
3608     echo "ARMv6 enabled             ${armv6-no}"
3609     echo "ARMv6T2 enabled           ${armv6t2-no}"
3610     echo "ARM VFP enabled           ${armvfp-no}"
3611     echo "NEON enabled              ${neon-no}"
3612 fi
3613 if enabled mips; then
3614     echo "MMI enabled               ${mmi-no}"
3615     echo "MIPS FPU enabled          ${mipsfpu-no}"
3616     echo "MIPS32R2 enabled          ${mips32r2-no}"
3617     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
3618     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
3619 fi
3620 if enabled ppc; then
3621     echo "AltiVec enabled           ${altivec-no}"
3622     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3623     echo "dcbzl available           ${dcbzl-no}"
3624 fi
3625 if enabled sparc; then
3626     echo "VIS enabled               ${vis-no}"
3627 fi
3628 echo "debug symbols             ${debug-no}"
3629 echo "strip symbols             ${stripping-no}"
3630 echo "optimize for size         ${small-no}"
3631 echo "optimizations             ${optimizations-no}"
3632 echo "static                    ${static-no}"
3633 echo "shared                    ${shared-no}"
3634 echo "postprocessing support    ${postproc-no}"
3635 echo "new filter support        ${avfilter-no}"
3636 echo "network support           ${network-no}"
3637 echo "threading support         ${thread_type-no}"
3638 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3639 echo "SDL support               ${sdl-no}"
3640 echo "libdxva2 enabled          ${dxva2-no}"
3641 echo "libva enabled             ${vaapi-no}"
3642 echo "libvdpau enabled          ${vdpau-no}"
3643 echo "AVISynth enabled          ${avisynth-no}"
3644 echo "frei0r enabled            ${frei0r-no}"
3645 echo "gnutls enabled            ${gnutls-no}"
3646 echo "libaacplus enabled        ${libaacplus-no}"
3647 echo "libass enabled            ${libass-no}"
3648 echo "libcdio support           ${libcdio-no}"
3649 echo "libcelt enabled           ${libcelt-no}"
3650 echo "libdc1394 support         ${libdc1394-no}"
3651 echo "libfaac enabled           ${libfaac-no}"
3652 echo "libgsm enabled            ${libgsm-no}"
3653 echo "libilbc enabled           ${libilbc-no}"
3654 echo "libmodplug enabled        ${libmodplug-no}"
3655 echo "libmp3lame enabled        ${libmp3lame-no}"
3656 echo "libnut enabled            ${libnut-no}"
3657 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3658 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3659 echo "libopencv support         ${libopencv-no}"
3660 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3661 echo "libpulse enabled          ${libpulse-no}"
3662 echo "librtmp enabled           ${librtmp-no}"
3663 echo "libschroedinger enabled   ${libschroedinger-no}"
3664 echo "libspeex enabled          ${libspeex-no}"
3665 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3666 echo "libtheora enabled         ${libtheora-no}"
3667 echo "libutvideo enabled        ${libutvideo-no}"
3668 echo "libv4l2 enabled           ${libv4l2-no}"
3669 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3670 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3671 echo "libvorbis enabled         ${libvorbis-no}"
3672 echo "libvpx enabled            ${libvpx-no}"
3673 echo "libx264 enabled           ${libx264-no}"
3674 echo "libxavs enabled           ${libxavs-no}"
3675 echo "libxvid enabled           ${libxvid-no}"
3676 echo "openal enabled            ${openal-no}"
3677 echo "openssl enabled           ${openssl-no}"
3678 echo "zlib enabled              ${zlib-no}"
3679 echo "bzlib enabled             ${bzlib-no}"
3680 test -n "$random_seed" &&
3681     echo "random seed               ${random_seed}"
3682 echo
3683
3684 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3685     echo "Enabled ${type}s:"
3686     eval list=\$$(toupper $type)_LIST
3687     print_enabled '_*' $list | sort | pr -r -3 -t
3688     echo
3689 done
3690
3691 license="LGPL version 2.1 or later"
3692 if enabled nonfree; then
3693     license="nonfree and unredistributable"
3694 elif enabled gplv3; then
3695     license="GPL version 3 or later"
3696 elif enabled lgplv3; then
3697     license="LGPL version 3 or later"
3698 elif enabled gpl; then
3699     license="GPL version 2 or later"
3700 fi
3701
3702 echo "License: $license"
3703
3704 echo "Creating config.mak and config.h..."
3705
3706 test -e Makefile || $ln_s "$source_path/Makefile" .
3707
3708 enabled stripping || strip="echo skipping strip"
3709
3710 config_files="$TMPH config.mak"
3711
3712 cat > config.mak <<EOF
3713 # Automatically generated by configure - do not modify!
3714 ifndef FFMPEG_CONFIG_MAK
3715 FFMPEG_CONFIG_MAK=1
3716 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3717 prefix=$prefix
3718 LIBDIR=\$(DESTDIR)$libdir
3719 SHLIBDIR=\$(DESTDIR)$shlibdir
3720 INCDIR=\$(DESTDIR)$incdir
3721 BINDIR=\$(DESTDIR)$bindir
3722 DATADIR=\$(DESTDIR)$datadir
3723 MANDIR=\$(DESTDIR)$mandir
3724 SRC_PATH=$source_path
3725 ifndef MAIN_MAKEFILE
3726 SRC_PATH:=\$(SRC_PATH:.%=..%)
3727 endif
3728 CC_IDENT=$cc_ident
3729 ARCH=$arch
3730 CC=$cc
3731 CXX=$cxx
3732 AS=$as
3733 LD=$ld
3734 DEPCC=$dep_cc
3735 YASM=$yasmexe
3736 YASMDEP=$yasmexe
3737 AR=$ar
3738 RANLIB=$ranlib
3739 CP=cp -p
3740 LN_S=$ln_s
3741 STRIP=$strip
3742 CPPFLAGS=$CPPFLAGS
3743 CFLAGS=$CFLAGS
3744 CXXFLAGS=$CXXFLAGS
3745 ASFLAGS=$ASFLAGS
3746 AS_O=$CC_O
3747 CC_O=$CC_O
3748 CXX_O=$CXX_O
3749 LDFLAGS=$LDFLAGS
3750 FFSERVERLDFLAGS=$FFSERVERLDFLAGS
3751 SHFLAGS=$SHFLAGS
3752 YASMFLAGS=$YASMFLAGS
3753 BUILDSUF=$build_suffix
3754 PROGSSUF=$progs_suffix
3755 FULLNAME=$FULLNAME
3756 LIBPREF=$LIBPREF
3757 LIBSUF=$LIBSUF
3758 LIBNAME=$LIBNAME
3759 SLIBPREF=$SLIBPREF
3760 SLIBSUF=$SLIBSUF
3761 EXESUF=$EXESUF
3762 EXTRA_VERSION=$extra_version
3763 DEPFLAGS=$DEPFLAGS
3764 CCDEP=$CCDEP
3765 CXXDEP=$CXXDEP
3766 ASDEP=$ASDEP
3767 CC_DEPFLAGS=$CC_DEPFLAGS
3768 AS_DEPFLAGS=$AS_DEPFLAGS
3769 HOSTCC=$host_cc
3770 HOSTCFLAGS=$host_cflags
3771 HOSTEXESUF=$HOSTEXESUF
3772 HOSTLDFLAGS=$host_ldflags
3773 HOSTLIBS=$host_libs
3774 TARGET_EXEC=$target_exec
3775 TARGET_PATH=$target_path
3776 SDL_LIBS=$sdl_libs
3777 SDL_CFLAGS=$sdl_cflags
3778 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3779 EXTRALIBS=$extralibs
3780 INSTALL=$install
3781 LIBTARGET=${LIBTARGET}
3782 SLIBNAME=${SLIBNAME}
3783 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3784 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3785 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3786 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3787 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3788 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3789 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3790 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3791 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3792 NOREDZONE_FLAGS=$noredzone_flags
3793 EOF
3794
3795 get_version(){
3796     name=$1
3797     file=$source_path/$2
3798 # This condition will be removed when we stop supporting old libpostproc versions
3799 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
3800     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3801     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3802 fi
3803     lcname=$(tolower $name)
3804     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3805     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3806 }
3807
3808 get_version LIBAVCODEC  libavcodec/version.h
3809 get_version LIBAVDEVICE libavdevice/avdevice.h
3810 get_version LIBAVFILTER libavfilter/version.h
3811 get_version LIBAVFORMAT libavformat/version.h
3812 get_version LIBAVRESAMPLE libavresample/version.h
3813 get_version LIBAVUTIL   libavutil/version.h
3814 get_version LIBPOSTPROC libpostproc/postprocess.h
3815 get_version LIBSWRESAMPLE libswresample/swresample.h
3816 get_version LIBSWSCALE  libswscale/swscale.h
3817
3818 cat > $TMPH <<EOF
3819 /* Automatically generated by configure - do not modify! */
3820 #ifndef FFMPEG_CONFIG_H
3821 #define FFMPEG_CONFIG_H
3822 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
3823 #define FFMPEG_LICENSE "$(c_escape $license)"
3824 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
3825 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
3826 #define CC_TYPE "$cc_type"
3827 #define CC_VERSION $cc_version
3828 #define av_restrict $_restrict
3829 #define EXTERN_PREFIX "${extern_prefix}"
3830 #define EXTERN_ASM ${extern_prefix}
3831 #define SLIBSUF "$SLIBSUF"
3832 EOF
3833
3834 test -n "$assert_level" &&
3835     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
3836
3837 test -n "$malloc_prefix" &&
3838     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
3839
3840 if enabled small || disabled optimizations; then
3841     echo "#undef  av_always_inline"  >> $TMPH
3842     if enabled small; then
3843         echo "#define av_always_inline inline"  >> $TMPH
3844     else
3845         echo "#define av_always_inline av_unused"  >> $TMPH
3846     fi
3847 fi
3848
3849 if enabled yasm; then
3850     append config_files $TMPASM
3851     printf '' >$TMPASM
3852 fi
3853
3854 print_config ARCH_   "$config_files" $ARCH_LIST
3855 print_config HAVE_   "$config_files" $HAVE_LIST
3856 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
3857                                      $CONFIG_EXTRA      \
3858                                      $ALL_COMPONENTS    \
3859
3860 cat >>config.mak <<EOF
3861 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
3862 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
3863 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
3864 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
3865 EOF
3866
3867 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
3868 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
3869
3870 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
3871 cp_if_changed $TMPH config.h
3872 touch .config
3873
3874 enabled yasm && cp_if_changed $TMPASM config.asm
3875
3876 cat > $TMPH <<EOF
3877 /* Generated by ffconf */
3878 #ifndef AVUTIL_AVCONFIG_H
3879 #define AVUTIL_AVCONFIG_H
3880 EOF
3881
3882 test "$postproc_version" != current && cat >> $TMPH <<EOF
3883 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
3884 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
3885 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
3886 EOF
3887
3888 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
3889
3890 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
3891
3892 cp_if_changed $TMPH libavutil/avconfig.h
3893
3894 test -n "$WARNINGS" && printf "\n$WARNINGS"
3895
3896 # build pkg-config files
3897
3898 pkgconfig_generate(){
3899 name=$1
3900 shortname=${name#lib}${build_suffix}
3901 comment=$2
3902 version=$3
3903 libs=$4
3904 requires=$5
3905 enabled ${name#lib} || return 0
3906 mkdir -p $name
3907 cat <<EOF > $name/$name.pc
3908 prefix=$prefix
3909 exec_prefix=\${prefix}
3910 libdir=$libdir
3911 includedir=$incdir
3912
3913 Name: $name
3914 Description: $comment
3915 Version: $version
3916 Requires: $(enabled shared || echo $requires)
3917 Requires.private: $(enabled shared && echo $requires)
3918 Conflicts:
3919 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
3920 Libs.private: $(enabled shared && echo $libs)
3921 Cflags: -I\${includedir}
3922 EOF
3923 cat <<EOF > $name/$name-uninstalled.pc
3924 prefix=
3925 exec_prefix=
3926 libdir=\${pcfiledir}
3927 includedir=${source_path}
3928
3929 Name: $name
3930 Description: $comment
3931 Version: $version
3932 Requires: $requires
3933 Conflicts:
3934 Libs: \${libdir}/${LIBPREF}${shortname}${LIBSUF} $libs
3935 Cflags: -I\${includedir}
3936 EOF
3937 }
3938
3939 libavfilter_pc_deps=""
3940 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
3941 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
3942 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
3943 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
3944 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
3945 libavfilter_pc_deps=${libavfilter_pc_deps%, }
3946
3947 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
3948 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
3949
3950 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
3951 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
3952 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
3953 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
3954 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
3955 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
3956 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
3957 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
3958 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"