libtwolame: fix stupid bug
[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 libavfilter build
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-dwt            disable DWT code
123   --disable-lsp            disable LSP code
124   --disable-mdct           disable MDCT code
125   --disable-rdft           disable RDFT code
126   --disable-fft            disable FFT code
127   --enable-dxva2           enable DXVA2 code
128   --enable-vaapi           enable VAAPI code [autodetect]
129   --enable-vda             enable VDA code   [autodetect]
130   --enable-vdpau           enable VDPAU code [autodetect]
131
132 Individual component options:
133   --disable-everything     disable all components listed below
134   --disable-encoder=NAME   disable encoder NAME
135   --enable-encoder=NAME    enable encoder NAME
136   --disable-encoders       disable all encoders
137   --disable-decoder=NAME   disable decoder NAME
138   --enable-decoder=NAME    enable decoder NAME
139   --disable-decoders       disable all decoders
140   --disable-hwaccel=NAME   disable hwaccel NAME
141   --enable-hwaccel=NAME    enable hwaccel NAME
142   --disable-hwaccels       disable all hwaccels
143   --disable-muxer=NAME     disable muxer NAME
144   --enable-muxer=NAME      enable muxer NAME
145   --disable-muxers         disable all muxers
146   --disable-demuxer=NAME   disable demuxer NAME
147   --enable-demuxer=NAME    enable demuxer NAME
148   --disable-demuxers       disable all demuxers
149   --enable-parser=NAME     enable parser NAME
150   --disable-parser=NAME    disable parser NAME
151   --disable-parsers        disable all parsers
152   --enable-bsf=NAME        enable bitstream filter NAME
153   --disable-bsf=NAME       disable bitstream filter NAME
154   --disable-bsfs           disable all bitstream filters
155   --enable-protocol=NAME   enable protocol NAME
156   --disable-protocol=NAME  disable protocol NAME
157   --disable-protocols      disable all protocols
158   --enable-indev=NAME      enable input device NAME
159   --disable-indev=NAME     disable input device NAME
160   --disable-indevs         disable input devices
161   --enable-outdev=NAME     enable output device NAME
162   --disable-outdev=NAME    disable output device NAME
163   --disable-outdevs        disable output devices
164   --disable-devices        disable all devices
165   --enable-filter=NAME     enable filter NAME
166   --disable-filter=NAME    disable filter NAME
167   --disable-filters        disable all filters
168
169 External library support:
170   --enable-avisynth        enable reading of AVISynth script files [no]
171   --enable-bzlib           enable bzlib [autodetect]
172   --enable-fontconfig      enable fontconfig
173   --enable-frei0r          enable frei0r video filtering
174   --enable-gnutls          enable gnutls [no]
175   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
176   --enable-libass          enable libass subtitles rendering [no]
177   --enable-libbluray       enable BluRay reading using libbluray [no]
178   --enable-libcaca         enable textual display using libcaca
179   --enable-libcelt         enable CELT decoding via libcelt [no]
180   --enable-libcdio         enable audio CD grabbing with libcdio
181   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
182                            and libraw1394 [no]
183   --enable-libfaac         enable AAC encoding via libfaac [no]
184   --enable-libfdk-aac      enable AAC encoding via libfdk-aac [no]
185   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
186   --enable-libfreetype     enable libfreetype [no]
187   --enable-libgsm          enable GSM de/encoding via libgsm [no]
188   --enable-libiec61883     enable iec61883 via libiec61883 [no]
189   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
190   --enable-libmodplug      enable ModPlug via libmodplug [no]
191   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
192   --enable-libnut          enable NUT (de)muxing via libnut,
193                            native (de)muxer exists [no]
194   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
195   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
196   --enable-libopencv       enable video filtering via libopencv [no]
197   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
198   --enable-libopus         enable Opus decoding via libopus [no]
199   --enable-libpulse        enable Pulseaudio input via libpulse [no]
200   --enable-librtmp         enable RTMP[E] support via librtmp [no]
201   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
202   --enable-libspeex        enable Speex de/encoding via libspeex [no]
203   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
204   --enable-libtheora       enable Theora encoding via libtheora [no]
205   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
206   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
207   --enable-libv4l2         enable libv4l2/v4l-utils [no]
208   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
209   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
210   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
211                            native implementation exists [no]
212   --enable-libvpx          enable VP8 de/encoding via libvpx [no]
213   --enable-libx264         enable H.264 encoding via x264 [no]
214   --enable-libxavs         enable AVS encoding via xavs [no]
215   --enable-libxvid         enable Xvid encoding via xvidcore,
216                            native MPEG-4/Xvid encoder exists [no]
217   --enable-openal          enable OpenAL 1.1 capture support [no]
218   --enable-openssl         enable openssl [no]
219   --enable-zlib            enable zlib [autodetect]
220
221 Advanced options (experts only):
222   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
223   --enable-cross-compile   assume a cross-compiler is used
224   --sysroot=PATH           root of cross-build tree
225   --sysinclude=PATH        location of cross-build system headers
226   --target-os=OS           compiler targets OS [$target_os]
227   --target-exec=CMD        command to run executables on target
228   --target-path=DIR        path to view of build directory on target
229   --nm=NM                  use nm tool NM [$nm_default]
230   --ar=AR                  use archive tool AR [$ar_default]
231   --as=AS                  use assembler AS [$as_default]
232   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
233   --cc=CC                  use C compiler CC [$cc_default]
234   --cxx=CXX                use C compiler CXX [$cxx_default]
235   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
236   --ld=LD                  use linker LD [$ld_default]
237   --host-cc=HOSTCC         use host C compiler HOSTCC
238   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
239   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
240   --host-libs=HLIBS        use libs HLIBS when linking for host
241   --host-os=OS             compiler host OS [$target_os]
242   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
243   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
244   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
245   --extra-libs=ELIBS       add ELIBS [$ELIBS]
246   --extra-version=STRING   version string suffix []
247   --optflags=OPTFLAGS      override optimization-related compiler flags
248   --build-suffix=SUFFIX    library name suffix []
249   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
250   --progs-suffix=SUFFIX    program name suffix []
251   --arch=ARCH              select architecture [$arch]
252   --cpu=CPU                select the minimum required CPU (affects
253                            instruction selection, may crash on older CPUs)
254   --enable-pic             build position-independent code
255   --enable-sram            allow use of on-chip SRAM
256   --enable-thumb           compile for Thumb instruction set
257   --disable-symver         disable symbol versioning
258   --disable-fastdiv        disable table-based division
259   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
260   --disable-safe-bitstream-reader
261                            disable buffer boundary checking in bitreaders
262                            (faster, but may crash)
263   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
264
265 Optimization options (experts only):
266   --disable-asm            disable all assembler optimizations
267   --disable-altivec        disable AltiVec optimizations
268   --disable-amd3dnow       disable 3DNow! optimizations
269   --disable-amd3dnowext    disable 3DNow! extended optimizations
270   --disable-mmx            disable MMX optimizations
271   --disable-mmxext         disable MMXEXT optimizations
272   --disable-sse            disable SSE optimizations
273   --disable-ssse3          disable SSSE3 optimizations
274   --disable-avx            disable AVX optimizations
275   --disable-fma4           disable FMA4 optimizations
276   --disable-armv5te        disable armv5te optimizations
277   --disable-armv6          disable armv6 optimizations
278   --disable-armv6t2        disable armv6t2 optimizations
279   --disable-armvfp         disable ARM VFP optimizations
280   --disable-mmi            disable MMI optimizations
281   --disable-neon           disable NEON optimizations
282   --disable-vis            disable VIS optimizations
283   --disable-yasm           disable use of yasm assembler
284   --disable-mips32r2       disable MIPS32R2 optimizations
285   --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations
286   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
287   --disable-mipsfpu        disable floating point MIPS optimizations
288   --disable-fast-unaligned consider unaligned accesses slow
289   --postproc-version=V     build libpostproc version V.
290                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
291
292 Developer options (useful when working on FFmpeg itself):
293   --enable-coverage        build with test coverage instrumentation
294   --disable-debug          disable debugging symbols
295   --enable-debug=LEVEL     set the debug level [$debuglevel]
296   --disable-optimizations  disable compiler optimizations
297   --enable-extra-warnings  enable more compiler warnings
298   --disable-stripping      disable stripping of executables and shared libraries
299   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
300                            2 causes a slowdown at runtime.
301   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
302   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
303                            leaks and errors, using the specified valgrind binary.
304                            Cannot be combined with --target-exec
305   --samples=PATH           location of test samples for FATE, if not set use
306                            \$FATE_SAMPLES at make invocation time.
307   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
308                            should be used only for debugging purposes)
309   --enable-random          randomly enable/disable components
310   --disable-random
311   --enable-random=LIST     randomly enable/disable specific components or
312   --disable-random=LIST    component groups. LIST is a comma-separated list
313                            of NAME[:PROB] entries where NAME is a component
314                            (group) and PROB the probability associated with
315                            NAME (default 0.5).
316   --random-seed=VALUE      seed value for --enable/disable-random
317
318 NOTE: Object files are built at the place where configure is launched.
319 EOF
320   exit 0
321 }
322
323 quotes='""'
324
325 log(){
326     echo "$@" >> $logfile
327 }
328
329 log_file(){
330     log BEGIN $1
331     pr -n -t $1 >> $logfile
332     log END $1
333 }
334
335 echolog(){
336     log "$@"
337     echo "$@"
338 }
339
340 warn(){
341     log "WARNING: $*"
342     WARNINGS="${WARNINGS}WARNING: $*\n"
343 }
344
345 die(){
346     echolog "$@"
347     cat <<EOF
348
349 If you think configure made a mistake, make sure you are using the latest
350 version from Git.  If the latest version fails, report the problem to the
351 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
352 EOF
353     if disabled logging; then
354         cat <<EOF
355 Rerun configure with logging enabled (do not use --disable-logging), and
356 include the log this produces with your report.
357 EOF
358     else
359 cat <<EOF
360 Include the log file "$logfile" produced by configure as this will help
361 solving the problem.
362 EOF
363     fi
364     exit 1
365 }
366
367 # Avoid locale weirdness, besides we really just want to translate ASCII.
368 toupper(){
369     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
370 }
371
372 tolower(){
373     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
374 }
375
376 c_escape(){
377     echo "$*" | sed 's/["\\]/\\\0/g'
378 }
379
380 sh_quote(){
381     v=$(echo "$1" | sed "s/'/'\\\\''/g")
382     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
383     echo "$v"
384 }
385
386 cleanws(){
387     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
388 }
389
390 filter(){
391     pat=$1
392     shift
393     for v; do
394         eval "case $v in $pat) echo $v ;; esac"
395     done
396 }
397
398 filter_out(){
399     pat=$1
400     shift
401     for v; do
402         eval "case $v in $pat) ;; *) echo $v ;; esac"
403     done
404 }
405
406 map(){
407     m=$1
408     shift
409     for v; do eval $m; done
410 }
411
412 set_all(){
413     value=$1
414     shift
415     for var in $*; do
416         eval $var=$value
417     done
418 }
419
420 set_weak(){
421     value=$1
422     shift
423     for var; do
424         eval : \${$var:=$value}
425     done
426 }
427
428 set_safe(){
429     var=$1
430     shift
431     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
432 }
433
434 get_safe(){
435     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
436 }
437
438 pushvar(){
439     for var in $*; do
440         eval level=\${${var}_level:=0}
441         eval ${var}_${level}="\$$var"
442         eval ${var}_level=$(($level+1))
443     done
444 }
445
446 popvar(){
447     for var in $*; do
448         eval level=\${${var}_level:-0}
449         test $level = 0 && continue
450         eval level=$(($level-1))
451         eval $var="\${${var}_${level}}"
452         eval ${var}_level=$level
453         eval unset ${var}_${level}
454     done
455 }
456
457 enable(){
458     set_all yes $*
459 }
460
461 disable(){
462     set_all no $*
463 }
464
465 enable_weak(){
466     set_weak yes $*
467 }
468
469 disable_weak(){
470     set_weak no $*
471 }
472
473 enable_safe(){
474     for var; do
475         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
476     done
477 }
478
479 disable_safe(){
480     for var; do
481         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
482     done
483 }
484
485 do_enable_deep(){
486     for var; do
487         enabled $var && continue
488         eval sel="\$${var}_select"
489         eval sgs="\$${var}_suggest"
490         pushvar var sgs
491         enable_deep $sel
492         popvar sgs
493         enable_deep_weak $sgs
494         popvar var
495     done
496 }
497
498 enable_deep(){
499     do_enable_deep $*
500     enable $*
501 }
502
503 enable_deep_weak(){
504     do_enable_deep $*
505     enable_weak $*
506 }
507
508 enabled(){
509     test "${1#!}" = "$1" && op== || op=!=
510     eval test "x\$${1#!}" $op "xyes"
511 }
512
513 disabled(){
514     test "${1#!}" = "$1" && op== || op=!=
515     eval test "x\$${1#!}" $op "xno"
516 }
517
518 enabled_all(){
519     for opt; do
520         enabled $opt || return 1
521     done
522 }
523
524 disabled_all(){
525     for opt; do
526         disabled $opt || return 1
527     done
528 }
529
530 enabled_any(){
531     for opt; do
532         enabled $opt && return 0
533     done
534 }
535
536 disabled_any(){
537     for opt; do
538         disabled $opt && return 0
539     done
540     return 1
541 }
542
543 set_default(){
544     for opt; do
545         eval : \${$opt:=\$${opt}_default}
546     done
547 }
548
549 is_in(){
550     value=$1
551     shift
552     for var in $*; do
553         [ $var = $value ] && return 0
554     done
555     return 1
556 }
557
558 check_deps(){
559     for cfg; do
560         cfg="${cfg#!}"
561         enabled ${cfg}_checking && die "Circular dependency for $cfg."
562         disabled ${cfg}_checking && continue
563         enable ${cfg}_checking
564
565         eval dep_all="\$${cfg}_deps"
566         eval dep_any="\$${cfg}_deps_any"
567         eval dep_sel="\$${cfg}_select"
568         eval dep_sgs="\$${cfg}_suggest"
569         eval dep_ifa="\$${cfg}_if"
570         eval dep_ifn="\$${cfg}_if_any"
571
572         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
573         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
574         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
575
576         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
577         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
578         enabled_all  $dep_all || disable $cfg
579         enabled_any  $dep_any || disable $cfg
580         disabled_any $dep_sel && disable $cfg
581
582         if enabled $cfg; then
583             eval dep_extralibs="\$${cfg}_extralibs"
584             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
585             enable_deep $dep_sel
586             enable_deep_weak $dep_sgs
587         fi
588
589         disable ${cfg}_checking
590     done
591 }
592
593 print_config_h(){
594     enabled $1 && v=1 || v=0
595     echo "#define $2 $v"
596 }
597
598 print_config_mak(){
599     enabled $1 && v= || v=!
600     echo "$v$2=yes"
601 }
602
603 print_config_asm(){
604     enabled $1 && v=1 || v=0
605     echo "%define $2 $v"
606 }
607
608 print_config(){
609     pfx=$1
610     files=$2
611     shift 2
612     for cfg; do
613         ucname="$(toupper $cfg)"
614         for f in $files; do
615             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
616         done
617     done
618 }
619
620 print_enabled(){
621     test "$1" = -n && end=" " && shift || end="\n"
622     suf=$1
623     shift
624     for v; do
625         enabled $v && printf "%s$end" ${v%$suf};
626     done
627 }
628
629 append(){
630     var=$1
631     shift
632     eval "$var=\"\$$var $*\""
633 }
634
635 prepend(){
636     var=$1
637     shift
638     eval "$var=\"$* \$$var\""
639 }
640
641 add_cppflags(){
642     append CPPFLAGS "$@"
643 }
644
645 add_cflags(){
646     append CFLAGS $($cflags_filter "$@")
647 }
648
649 add_cxxflags(){
650     append CXXFLAGS $($cflags_filter "$@")
651 }
652
653 add_asflags(){
654     append ASFLAGS $($asflags_filter "$@")
655 }
656
657 add_ldflags(){
658     append LDFLAGS $($ldflags_filter "$@")
659 }
660
661 add_extralibs(){
662     prepend extralibs $($ldflags_filter "$@")
663 }
664
665 add_host_cflags(){
666     append host_cflags $($host_cflags_filter "$@")
667 }
668
669 add_host_ldflags(){
670     append host_ldflags $($host_ldflags_filter "$@")
671 }
672
673 check_cmd(){
674     log "$@"
675     "$@" >> $logfile 2>&1
676 }
677
678 cc_o(){
679     eval printf '%s\\n' $CC_O
680 }
681
682 cc_e(){
683     eval printf '%s\\n' $CC_E
684 }
685
686 check_cc(){
687     log check_cc "$@"
688     cat > $TMPC
689     log_file $TMPC
690     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
691 }
692
693 check_cxx(){
694     log check_cxx "$@"
695     cat > $TMPCPP
696     log_file $TMPCPP
697     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
698 }
699
700 check_cpp(){
701     log check_cpp "$@"
702     cat > $TMPC
703     log_file $TMPC
704     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
705 }
706
707 check_as(){
708     log check_as "$@"
709     cat > $TMPC
710     log_file $TMPC
711     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C -o $TMPO $TMPC
712 }
713
714 check_asm(){
715     log check_asm "$@"
716     name="$1"
717     code="$2"
718     shift 2
719     disable $name
720     check_as "$@" <<EOF && enable $name
721 void foo(void){ __asm__ volatile($code); }
722 EOF
723 }
724
725 check_yasm(){
726     log check_yasm "$@"
727     echo "$1" > $TMPS
728     log_file $TMPS
729     shift 1
730     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
731 }
732
733 check_ld(){
734     log check_ld "$@"
735     type=$1
736     shift 1
737     flags=''
738     libs=''
739     for f; do
740         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
741     done
742     check_$type $($cflags_filter $flags) || return
743     flags=$($ldflags_filter $flags)
744     libs=$($ldflags_filter $libs)
745     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
746 }
747
748 check_code(){
749     log check_code "$@"
750     check=$1
751     headers=$2
752     code=$3
753     shift 3
754     {
755         for hdr in $headers; do
756             echo "#include <$hdr>"
757         done
758         echo "int main(void) { $code; return 0; }"
759     } | check_$check "$@"
760 }
761
762 check_cppflags(){
763     log check_cppflags "$@"
764     check_cc "$@" <<EOF && append CPPFLAGS "$@"
765 int x;
766 EOF
767 }
768
769 check_cflags(){
770     log check_cflags "$@"
771     set -- $($cflags_filter "$@")
772     check_cc "$@" <<EOF && append CFLAGS "$@"
773 int x;
774 EOF
775 }
776
777 check_cxxflags(){
778     log check_cxxflags "$@"
779     set -- $($cflags_filter "$@")
780     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
781 int x;
782 EOF
783 }
784
785 test_ldflags(){
786     log test_ldflags "$@"
787     check_ld "cc" "$@" <<EOF
788 int main(void){ return 0; }
789 EOF
790 }
791
792 check_ldflags(){
793     log check_ldflags "$@"
794     test_ldflags "$@" && add_ldflags "$@"
795 }
796
797 check_header(){
798     log check_header "$@"
799     header=$1
800     shift
801     disable_safe $header
802     check_cpp "$@" <<EOF && enable_safe $header
803 #include <$header>
804 int x;
805 EOF
806 }
807
808 check_func(){
809     log check_func "$@"
810     func=$1
811     shift
812     disable $func
813     check_ld "cc" "$@" <<EOF && enable $func
814 extern int $func();
815 int main(void){ $func(); }
816 EOF
817 }
818
819 check_mathfunc(){
820     log check_mathfunc "$@"
821     func=$1
822     shift
823     disable $func
824     check_ld "cc" "$@" <<EOF && enable $func
825 #include <math.h>
826 float foo(float f) { return $func(f); }
827 int main(void){ return (int) foo; }
828 EOF
829 }
830
831 check_func_headers(){
832     log check_func_headers "$@"
833     headers=$1
834     funcs=$2
835     shift 2
836     {
837         for hdr in $headers; do
838             echo "#include <$hdr>"
839         done
840         for func in $funcs; do
841             echo "long check_$func(void) { return (long) $func; }"
842         done
843         echo "int main(void) { return 0; }"
844     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
845 }
846
847 check_class_headers_cpp(){
848     log check_class_headers_cpp "$@"
849     headers=$1
850     classes=$2
851     shift 2
852     {
853         for hdr in $headers; do
854             echo "#include <$hdr>"
855         done
856         echo "int main(void) { "
857         i=1
858         for class in $classes; do
859             echo "$class obj$i;"
860             i=$(expr $i + 1)
861         done
862         echo "return 0; }"
863     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
864 }
865
866 check_cpp_condition(){
867     log check_cpp_condition "$@"
868     header=$1
869     condition=$2
870     shift 2
871     check_cpp "$@" <<EOF
872 #include <$header>
873 #if !($condition)
874 #error "unsatisfied condition: $condition"
875 #endif
876 EOF
877 }
878
879 check_lib(){
880     log check_lib "$@"
881     header="$1"
882     func="$2"
883     shift 2
884     check_header $header && check_func $func "$@" && add_extralibs "$@"
885 }
886
887 check_lib2(){
888     log check_lib2 "$@"
889     headers="$1"
890     funcs="$2"
891     shift 2
892     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
893 }
894
895 check_lib_cpp(){
896     log check_lib_cpp "$@"
897     headers="$1"
898     classes="$2"
899     shift 2
900     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
901 }
902
903 check_pkg_config(){
904     log check_pkg_config "$@"
905     pkg="$1"
906     headers="$2"
907     funcs="$3"
908     shift 3
909     $pkg_config --exists $pkg 2>/dev/null || return
910     pkg_cflags=$($pkg_config --cflags $pkg)
911     pkg_libs=$($pkg_config --libs $pkg)
912     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
913         set_safe ${pkg}_cflags $pkg_cflags   &&
914         set_safe ${pkg}_libs   $pkg_libs
915 }
916
917 check_exec(){
918     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
919 }
920
921 check_exec_crash(){
922     code=$(cat)
923
924     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
925     # are safe but may not be available everywhere.  Thus we use
926     # raise(SIGTERM) instead.  The check is run in a subshell so we
927     # can redirect the "Terminated" message from the shell.  SIGBUS
928     # is not defined by standard C so it is used conditionally.
929
930     (check_exec "$@") >> $logfile 2>&1 <<EOF
931 #include <signal.h>
932 static void sighandler(int sig){
933     raise(SIGTERM);
934 }
935 int func(void){
936     $code
937 }
938 int (*func_ptr)(void) = func;
939 int main(void){
940     signal(SIGILL, sighandler);
941     signal(SIGFPE, sighandler);
942     signal(SIGSEGV, sighandler);
943 #ifdef SIGBUS
944     signal(SIGBUS, sighandler);
945 #endif
946     return func_ptr();
947 }
948 EOF
949 }
950
951 check_type(){
952     log check_type "$@"
953     headers=$1
954     type=$2
955     shift 2
956     disable_safe "$type"
957     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
958 }
959
960 check_struct(){
961     log check_type "$@"
962     headers=$1
963     struct=$2
964     member=$3
965     shift 3
966     disable_safe "${struct}_${member}"
967     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
968         enable_safe "${struct}_${member}"
969 }
970
971 require(){
972     name="$1"
973     header="$2"
974     func="$3"
975     shift 3
976     check_lib $header $func "$@" || die "ERROR: $name not found"
977 }
978
979 require2(){
980     name="$1"
981     headers="$2"
982     func="$3"
983     shift 3
984     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
985 }
986
987 require_cpp(){
988     name="$1"
989     headers="$2"
990     classes="$3"
991     shift 3
992     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
993 }
994
995 require_pkg_config(){
996     pkg="$1"
997     check_pkg_config "$@" || die "ERROR: $pkg not found"
998     add_cflags    $(get_safe ${pkg}_cflags)
999     add_extralibs $(get_safe ${pkg}_libs)
1000 }
1001
1002 check_host_cc(){
1003     log check_host_cc "$@"
1004     cat > $TMPC
1005     log_file $TMPC
1006     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
1007 }
1008
1009 check_host_cflags(){
1010     log check_host_cflags "$@"
1011     set -- $($host_cflags_filter "$@")
1012     check_host_cc "$@" <<EOF && append host_cflags "$@"
1013 int x;
1014 EOF
1015 }
1016
1017 apply(){
1018     file=$1
1019     shift
1020     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1021 }
1022
1023 cp_if_changed(){
1024     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1025     mkdir -p "$(dirname $2)"
1026     cp -f "$1" "$2"
1027 }
1028
1029 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1030 # system-dependent things.
1031
1032 COMPONENT_LIST="
1033     bsfs
1034     decoders
1035     demuxers
1036     encoders
1037     filters
1038     hwaccels
1039     indevs
1040     muxers
1041     outdevs
1042     parsers
1043     protocols
1044 "
1045
1046 PROGRAM_LIST="
1047     ffplay
1048     ffprobe
1049     ffserver
1050     ffmpeg
1051 "
1052
1053 CONFIG_LIST="
1054     $COMPONENT_LIST
1055     $PROGRAM_LIST
1056     avcodec
1057     avdevice
1058     avfilter
1059     avformat
1060     avresample
1061     avisynth
1062     bzlib
1063     crystalhd
1064     dct
1065     doc
1066     dwt
1067     dxva2
1068     fast_unaligned
1069     fastdiv
1070     fft
1071     fontconfig
1072     frei0r
1073     gnutls
1074     gpl
1075     gray
1076     hardcoded_tables
1077     libaacplus
1078     libass
1079     libbluray
1080     libcaca
1081     libcdio
1082     libcelt
1083     libdc1394
1084     libfaac
1085     libfdk_aac
1086     libflite
1087     libfreetype
1088     libgsm
1089     libiec61883
1090     libilbc
1091     libmodplug
1092     libmp3lame
1093     libnut
1094     libopencore_amrnb
1095     libopencore_amrwb
1096     libopencv
1097     libopenjpeg
1098     libopus
1099     libpulse
1100     librtmp
1101     libschroedinger
1102     libspeex
1103     libstagefright_h264
1104     libtheora
1105     libtwolame
1106     libutvideo
1107     libv4l2
1108     libvo_aacenc
1109     libvo_amrwbenc
1110     libvorbis
1111     libvpx
1112     libx264
1113     libxavs
1114     libxvid
1115     lsp
1116     mdct
1117     memalign_hack
1118     memory_poisoning
1119     network
1120     nonfree
1121     openal
1122     openssl
1123     pic
1124     postproc
1125     rdft
1126     runtime_cpudetect
1127     safe_bitstream_reader
1128     shared
1129     small
1130     sram
1131     static
1132     swresample
1133     swscale
1134     swscale_alpha
1135     thumb
1136     vaapi
1137     vda
1138     vdpau
1139     version3
1140     xmm_clobber_test
1141     x11grab
1142     zlib
1143 "
1144
1145 THREADS_LIST='
1146     pthreads
1147     w32threads
1148     os2threads
1149 '
1150
1151 ARCH_LIST='
1152     alpha
1153     arm
1154     avr32
1155     avr32_ap
1156     avr32_uc
1157     bfin
1158     ia64
1159     m68k
1160     mips
1161     mips64
1162     parisc
1163     ppc
1164     ppc64
1165     s390
1166     sh4
1167     sparc
1168     sparc64
1169     tomi
1170     x86
1171     x86_32
1172     x86_64
1173 '
1174
1175 ARCH_EXT_LIST='
1176     altivec
1177     amd3dnow
1178     amd3dnowext
1179     armv5te
1180     armv6
1181     armv6t2
1182     armvfp
1183     avx
1184     fma4
1185     mmi
1186     mmx
1187     mmxext
1188     neon
1189     ppc4xx
1190     sse
1191     ssse3
1192     vfpv3
1193     vis
1194     mipsfpu
1195     mips32r2
1196     mipsdspr1
1197     mipsdspr2
1198 '
1199
1200 HAVE_LIST_PUB='
1201     bigendian
1202     fast_unaligned
1203 '
1204
1205 HAVE_LIST="
1206     $ARCH_EXT_LIST
1207     $HAVE_LIST_PUB
1208     $THREADS_LIST
1209     aligned_malloc
1210     aligned_stack
1211     alsa_asoundlib_h
1212     altivec_h
1213     arpa_inet_h
1214     asm_mod_y
1215     asm_types_h
1216     attribute_may_alias
1217     attribute_packed
1218     cbrtf
1219     clock_gettime
1220     closesocket
1221     cmov
1222     cpuid
1223     cpunop
1224     dcbzl
1225     dev_bktr_ioctl_bt848_h
1226     dev_bktr_ioctl_meteor_h
1227     dev_ic_bt8xx_h
1228     dev_video_bktr_ioctl_bt848_h
1229     dev_video_meteor_ioctl_meteor_h
1230     dlfcn_h
1231     dlopen
1232     dos_paths
1233     dxva_h
1234     ebp_available
1235     ebx_available
1236     exp2
1237     exp2f
1238     fast_64bit
1239     fast_clz
1240     fast_cmov
1241     fcntl
1242     fork
1243     getaddrinfo
1244     gethrtime
1245     getopt
1246     GetProcessAffinityMask
1247     GetProcessMemoryInfo
1248     GetProcessTimes
1249     GetSystemTimeAsFileTime
1250     getrusage
1251     gettimeofday
1252     glob
1253     gnu_as
1254     ibm_asm
1255     inet_aton
1256     inline_asm
1257     isatty
1258     isinf
1259     isnan
1260     jack_port_get_latency_range
1261     kbhit
1262     ldbrx
1263     libdc1394_1
1264     libdc1394_2
1265     llrint
1266     llrintf
1267     local_aligned_16
1268     local_aligned_8
1269     localtime_r
1270     log2
1271     log2f
1272     loongson
1273     lrint
1274     lrintf
1275     lzo1x_999_compress
1276     machine_ioctl_bt848_h
1277     machine_ioctl_meteor_h
1278     makeinfo
1279     malloc_h
1280     MapViewOfFile
1281     memalign
1282     mkstemp
1283     mm_empty
1284     mmap
1285     nanosleep
1286     netinet_sctp_h
1287     PeekNamedPipe
1288     pod2man
1289     poll_h
1290     posix_memalign
1291     pthread_cancel
1292     rdtsc
1293     rint
1294     round
1295     roundf
1296     rweflags
1297     sched_getaffinity
1298     sdl
1299     sdl_video_size
1300     setmode
1301     setrlimit
1302     Sleep
1303     sndio_h
1304     socklen_t
1305     soundcard_h
1306     strerror_r
1307     strptime
1308     struct_addrinfo
1309     struct_group_source_req
1310     struct_ip_mreq_source
1311     struct_ipv6_mreq
1312     struct_pollfd
1313     struct_rusage_ru_maxrss
1314     struct_sockaddr_in6
1315     struct_sockaddr_sa_len
1316     struct_sockaddr_storage
1317     struct_v4l2_frmivalenum_discrete
1318     symver
1319     symver_asm_label
1320     symver_gnu_asm
1321     sysconf
1322     sysctl
1323     sys_mman_h
1324     sys_param_h
1325     sys_resource_h
1326     sys_select_h
1327     sys_soundcard_h
1328     sys_time_h
1329     sys_videoio_h
1330     termios_h
1331     texi2html
1332     threads
1333     trunc
1334     truncf
1335     unistd_h
1336     usleep
1337     vfp_args
1338     VirtualAlloc
1339     windows_h
1340     winsock2_h
1341     xform_asm
1342     xgetbv
1343     xmm_clobbers
1344     yasm
1345 "
1346
1347 # options emitted with CONFIG_ prefix but not available on command line
1348 CONFIG_EXTRA="
1349     aandcttables
1350     ac3dsp
1351     avutil
1352     gcrypt
1353     golomb
1354     gplv3
1355     h264chroma
1356     h264dsp
1357     h264pred
1358     h264qpel
1359     huffman
1360     lgplv3
1361     lpc
1362     mpegaudiodsp
1363     nettle
1364     rtpdec
1365     sinewin
1366     vp3dsp
1367 "
1368
1369 CMDLINE_SELECT="
1370     $ARCH_EXT_LIST
1371     $CONFIG_LIST
1372     $THREADS_LIST
1373     asm
1374     coverage
1375     cross_compile
1376     debug
1377     extra_warnings
1378     logging
1379     optimizations
1380     stripping
1381     symver
1382     yasm
1383 "
1384
1385 PATHS_LIST='
1386     bindir
1387     datadir
1388     incdir
1389     libdir
1390     mandir
1391     prefix
1392     shlibdir
1393 '
1394
1395 CMDLINE_SET="
1396     $PATHS_LIST
1397     ar
1398     arch
1399     as
1400     assert_level
1401     build_suffix
1402     cc
1403     cpu
1404     cross_prefix
1405     cxx
1406     dep_cc
1407     extra_version
1408     host_cc
1409     host_cflags
1410     host_ldflags
1411     host_libs
1412     host_os
1413     install
1414     ld
1415     logfile
1416     malloc_prefix
1417     nm
1418     optflags
1419     pkg_config
1420     postproc_version
1421     progs_suffix
1422     random_seed
1423     samples
1424     strip
1425     sysinclude
1426     sysroot
1427     target_exec
1428     target_os
1429     target_path
1430     valgrind
1431     yasmexe
1432 "
1433
1434 CMDLINE_APPEND="
1435     extra_cflags
1436     extra_cxxflags
1437 "
1438
1439 # code dependency declarations
1440
1441 # architecture extensions
1442
1443 armv5te_deps="arm"
1444 armv6_deps="arm"
1445 armv6t2_deps="arm"
1446 armvfp_deps="arm"
1447 neon_deps="arm"
1448 vfpv3_deps="armvfp"
1449
1450 mipsfpu_deps="mips"
1451 mips32r2_deps="mips"
1452 mipsdspr1_deps="mips"
1453 mipsdspr2_deps="mips"
1454 mmi_deps="mips"
1455
1456 altivec_deps="ppc"
1457 ppc4xx_deps="ppc"
1458
1459 vis_deps="sparc"
1460
1461 x86_64_suggest="cmov fast_cmov"
1462 amd3dnow_deps="mmx"
1463 amd3dnowext_deps="amd3dnow"
1464 mmx_deps="x86"
1465 mmxext_deps="mmx"
1466 sse_deps="mmx"
1467 ssse3_deps="sse"
1468 avx_deps="ssse3"
1469 fma4_deps="avx"
1470
1471 aligned_stack_if_any="ppc x86"
1472 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1473 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1474 fast_unaligned_if_any="armv6 ppc x86"
1475
1476 inline_asm_deps="!tms470"
1477 need_memalign="altivec neon sse"
1478
1479 symver_if_any="symver_asm_label symver_gnu_asm"
1480
1481 # subsystems
1482 dct_select="rdft"
1483 mdct_select="fft"
1484 rdft_select="fft"
1485 mpegaudiodsp_select="dct"
1486
1487 # decoders / encoders / hardware accelerators
1488 aac_decoder_select="mdct sinewin"
1489 aac_encoder_select="mdct sinewin"
1490 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1491 ac3_decoder_select="mdct ac3dsp ac3_parser"
1492 ac3_encoder_select="mdct ac3dsp"
1493 ac3_fixed_encoder_select="mdct ac3dsp"
1494 alac_encoder_select="lpc"
1495 amrnb_decoder_select="lsp"
1496 amrwb_decoder_select="lsp"
1497 amv_encoder_select="aandcttables"
1498 atrac1_decoder_select="mdct sinewin"
1499 atrac3_decoder_select="mdct"
1500 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1501 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1502 cavs_decoder_select="golomb"
1503 cook_decoder_select="mdct sinewin"
1504 cscd_decoder_suggest="zlib"
1505 dca_decoder_select="mdct"
1506 dirac_decoder_select="dwt golomb"
1507 dnxhd_encoder_select="aandcttables"
1508 dxa_decoder_select="zlib"
1509 eac3_decoder_select="ac3_decoder"
1510 eac3_encoder_select="mdct ac3dsp"
1511 eamad_decoder_select="aandcttables"
1512 eatgq_decoder_select="aandcttables"
1513 eatqi_decoder_select="aandcttables"
1514 exr_decoder_select="zlib"
1515 ffv1_decoder_select="golomb"
1516 flac_decoder_select="golomb"
1517 flac_encoder_select="golomb lpc"
1518 flashsv_decoder_select="zlib"
1519 flashsv_encoder_select="zlib"
1520 flashsv2_encoder_select="zlib"
1521 flashsv2_decoder_select="zlib"
1522 flv_decoder_select="h263_decoder"
1523 flv_encoder_select="h263_encoder"
1524 fraps_decoder_select="huffman"
1525 h261_encoder_select="aandcttables"
1526 h263_decoder_select="h263_parser"
1527 h263_encoder_select="aandcttables"
1528 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1529 h263i_decoder_select="h263_decoder"
1530 h263p_encoder_select="h263_encoder"
1531 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1532 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1533 h264_dxva2_hwaccel_deps="dxva2api_h"
1534 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1535 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1536 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1537 h264_vda_hwaccel_select="vda h264_decoder"
1538 h264_vdpau_decoder_select="vdpau h264_decoder"
1539 iac_decoder_select="fft mdct sinewin"
1540 imc_decoder_select="fft mdct sinewin"
1541 jpegls_decoder_select="golomb"
1542 jpegls_encoder_select="golomb"
1543 ljpeg_encoder_select="aandcttables"
1544 loco_decoder_select="golomb"
1545 mjpeg_encoder_select="aandcttables"
1546 mlp_decoder_select="mlp_parser"
1547 mp1_decoder_select="mpegaudiodsp"
1548 mp1float_decoder_select="mpegaudiodsp"
1549 mp2_decoder_select="mpegaudiodsp"
1550 mp2float_decoder_select="mpegaudiodsp"
1551 mp3_decoder_select="mpegaudiodsp"
1552 mp3adu_decoder_select="mpegaudiodsp"
1553 mp3adufloat_decoder_select="mpegaudiodsp"
1554 mp3float_decoder_select="mpegaudiodsp"
1555 mp3on4_decoder_select="mpegaudiodsp"
1556 mp3on4float_decoder_select="mpegaudiodsp"
1557 mpc7_decoder_select="mpegaudiodsp"
1558 mpc8_decoder_select="mpegaudiodsp"
1559 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1560 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1561 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1562 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1563 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1564 mpeg1video_encoder_select="aandcttables"
1565 mpeg2_crystalhd_decoder_select="crystalhd"
1566 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1567 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1568 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1569 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1570 mpeg2video_encoder_select="aandcttables"
1571 mpeg4_crystalhd_decoder_select="crystalhd"
1572 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1573 mpeg4_encoder_select="h263_encoder"
1574 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1575 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1576 msmpeg4_crystalhd_decoder_select="crystalhd"
1577 msmpeg4v1_decoder_select="h263_decoder"
1578 msmpeg4v1_encoder_select="h263_encoder"
1579 msmpeg4v2_decoder_select="h263_decoder"
1580 msmpeg4v2_encoder_select="h263_encoder"
1581 msmpeg4v3_decoder_select="h263_decoder"
1582 msmpeg4v3_encoder_select="h263_encoder"
1583 nellymoser_decoder_select="mdct sinewin"
1584 nellymoser_encoder_select="mdct sinewin"
1585 png_decoder_select="zlib"
1586 png_encoder_select="zlib"
1587 qcelp_decoder_select="lsp"
1588 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1589 ra_144_encoder_select="lpc"
1590 ralf_decoder_select="golomb"
1591 rv10_decoder_select="h263_decoder"
1592 rv10_encoder_select="h263_encoder"
1593 rv20_decoder_select="h263_decoder"
1594 rv20_encoder_select="h263_encoder"
1595 rv30_decoder_select="golomb h264chroma h264pred h264qpel"
1596 rv40_decoder_select="golomb h264chroma h264pred h264qpel"
1597 shorten_decoder_select="golomb"
1598 sipr_decoder_select="lsp"
1599 snow_decoder_select="dwt"
1600 snow_encoder_select="aandcttables dwt"
1601 sonic_decoder_select="golomb"
1602 sonic_encoder_select="golomb"
1603 sonic_ls_encoder_select="golomb"
1604 svq1_encoder_select="aandcttables"
1605 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel"
1606 svq3_decoder_suggest="zlib"
1607 theora_decoder_select="vp3_decoder"
1608 tiff_decoder_suggest="zlib"
1609 tiff_encoder_suggest="zlib"
1610 tscc_decoder_select="zlib"
1611 twinvq_decoder_select="mdct lsp sinewin"
1612 vc1_crystalhd_decoder_select="crystalhd"
1613 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1614 vc1_dxva2_hwaccel_deps="dxva2api_h"
1615 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1616 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1617 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1618 vc1image_decoder_select="vc1_decoder"
1619 vorbis_decoder_select="mdct"
1620 vorbis_encoder_select="mdct"
1621 vp3_decoder_select="vp3dsp"
1622 vp5_decoder_select="vp3dsp"
1623 vp6_decoder_select="huffman vp3dsp"
1624 vp6a_decoder_select="vp6_decoder"
1625 vp6f_decoder_select="vp6_decoder"
1626 vp8_decoder_select="h264pred h264qpel"
1627 wmapro_decoder_select="mdct sinewin"
1628 wmav1_decoder_select="mdct sinewin"
1629 wmav1_encoder_select="mdct sinewin"
1630 wmav2_decoder_select="mdct sinewin"
1631 wmav2_encoder_select="mdct sinewin"
1632 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1633 wmv1_decoder_select="h263_decoder"
1634 wmv1_encoder_select="h263_encoder"
1635 wmv2_decoder_select="h263_decoder"
1636 wmv2_encoder_select="h263_encoder"
1637 wmv3_decoder_select="vc1_decoder"
1638 wmv3_crystalhd_decoder_select="crystalhd"
1639 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1640 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1641 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1642 wmv3image_decoder_select="wmv3_decoder"
1643 zerocodec_decoder_select="zlib"
1644 zlib_decoder_select="zlib"
1645 zlib_encoder_select="zlib"
1646 zmbv_decoder_select="zlib"
1647 zmbv_encoder_select="zlib"
1648
1649 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1650 vaapi_deps="va_va_h"
1651 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1652 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1653
1654 # parsers
1655 h264_parser_select="golomb h264dsp h264pred"
1656
1657 # external libraries
1658 libaacplus_encoder_deps="libaacplus"
1659 libcelt_decoder_deps="libcelt"
1660 libfaac_encoder_deps="libfaac"
1661 libfdk_aac_encoder_deps="libfdk_aac"
1662 libgsm_decoder_deps="libgsm"
1663 libgsm_encoder_deps="libgsm"
1664 libgsm_ms_decoder_deps="libgsm"
1665 libgsm_ms_encoder_deps="libgsm"
1666 libilbc_decoder_deps="libilbc"
1667 libilbc_encoder_deps="libilbc"
1668 libmodplug_demuxer_deps="libmodplug"
1669 libmp3lame_encoder_deps="libmp3lame"
1670 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1671 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1672 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1673 libopenjpeg_decoder_deps="libopenjpeg"
1674 libopenjpeg_encoder_deps="libopenjpeg"
1675 libopus_decoder_deps="libopus"
1676 libschroedinger_decoder_deps="libschroedinger"
1677 libschroedinger_encoder_deps="libschroedinger"
1678 libspeex_decoder_deps="libspeex"
1679 libspeex_encoder_deps="libspeex"
1680 libstagefright_h264_decoder_deps="libstagefright_h264"
1681 libtheora_encoder_deps="libtheora"
1682 libtwolame_encoder_deps="libtwolame"
1683 libvo_aacenc_encoder_deps="libvo_aacenc"
1684 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1685 libvorbis_decoder_deps="libvorbis"
1686 libvorbis_encoder_deps="libvorbis"
1687 libvpx_decoder_deps="libvpx"
1688 libvpx_encoder_deps="libvpx"
1689 libx264_encoder_deps="libx264"
1690 libx264rgb_encoder_deps="libx264"
1691 libxavs_encoder_deps="libxavs"
1692 libxvid_encoder_deps="libxvid"
1693 libutvideo_decoder_deps="libutvideo"
1694 libutvideo_encoder_deps="libutvideo"
1695
1696 # demuxers / muxers
1697 ac3_demuxer_select="ac3_parser"
1698 asf_stream_muxer_select="asf_muxer"
1699 avisynth_demuxer_deps="avisynth"
1700 dirac_demuxer_select="dirac_parser"
1701 eac3_demuxer_select="ac3_parser"
1702 flac_demuxer_select="flac_parser"
1703 ipod_muxer_select="mov_muxer"
1704 libnut_demuxer_deps="libnut"
1705 libnut_muxer_deps="libnut"
1706 matroska_audio_muxer_select="matroska_muxer"
1707 matroska_demuxer_suggest="zlib bzlib"
1708 mov_demuxer_suggest="zlib"
1709 mp3_demuxer_select="mpegaudio_parser"
1710 mp4_muxer_select="mov_muxer"
1711 mpegts_muxer_select="adts_muxer latm_muxer"
1712 mpegtsraw_demuxer_select="mpegts_demuxer"
1713 mxf_d10_muxer_select="mxf_muxer"
1714 ogg_demuxer_select="golomb"
1715 psp_muxer_select="mov_muxer"
1716 rtp_demuxer_select="sdp_demuxer"
1717 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1718 rtsp_demuxer_select="http_protocol rtpdec"
1719 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1720 sap_demuxer_select="sdp_demuxer"
1721 sap_muxer_select="rtp_muxer rtp_protocol"
1722 sdp_demuxer_select="rtpdec"
1723 spdif_muxer_select="aac_parser"
1724 tg2_muxer_select="mov_muxer"
1725 tgp_muxer_select="mov_muxer"
1726 w64_demuxer_deps="wav_demuxer"
1727
1728 # indevs / outdevs
1729 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1730 alsa_outdev_deps="alsa_asoundlib_h"
1731 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1732 caca_outdev_deps="libcaca"
1733 dshow_indev_deps="IBaseFilter"
1734 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1735 dv1394_indev_deps="dv1394 dv_demuxer"
1736 fbdev_indev_deps="linux_fb_h"
1737 iec61883_indev_deps="libiec61883"
1738 jack_indev_deps="jack_jack_h sem_timedwait"
1739 lavfi_indev_deps="avfilter"
1740 libcdio_indev_deps="libcdio"
1741 libdc1394_indev_deps="libdc1394"
1742 libv4l2_indev_deps="libv4l2"
1743 openal_indev_deps="openal"
1744 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1745 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1746 pulse_indev_deps="libpulse"
1747 sdl_outdev_deps="sdl"
1748 sndio_indev_deps="sndio_h"
1749 sndio_outdev_deps="sndio_h"
1750 v4l_indev_deps="linux_videodev_h"
1751 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1752 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1753 vfwcap_indev_extralibs="-lavicap32"
1754 x11grab_indev_deps="x11grab"
1755
1756 # protocols
1757 bluray_protocol_deps="libbluray"
1758 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1759 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1760 ffrtmpcrypt_protocol_select="tcp_protocol"
1761 ffrtmphttp_protocol_deps="!librtmp_protocol"
1762 ffrtmphttp_protocol_select="http_protocol"
1763 gopher_protocol_deps="network"
1764 httpproxy_protocol_deps="network"
1765 httpproxy_protocol_select="tcp_protocol"
1766 http_protocol_deps="network"
1767 http_protocol_select="tcp_protocol"
1768 https_protocol_select="tls_protocol"
1769 librtmp_protocol_deps="librtmp"
1770 librtmpe_protocol_deps="librtmp"
1771 librtmps_protocol_deps="librtmp"
1772 librtmpt_protocol_deps="librtmp"
1773 librtmpte_protocol_deps="librtmp"
1774 mmsh_protocol_select="http_protocol"
1775 mmst_protocol_deps="network"
1776 rtmp_protocol_deps="!librtmp_protocol"
1777 rtmp_protocol_select="tcp_protocol"
1778 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1779 rtmps_protocol_deps="!librtmp_protocol"
1780 rtmps_protocol_select="tls_protocol"
1781 rtmpt_protocol_select="ffrtmphttp_protocol"
1782 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1783 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1784 rtp_protocol_select="udp_protocol"
1785 sctp_protocol_deps="network netinet_sctp_h"
1786 tcp_protocol_deps="network"
1787 tls_protocol_deps_any="openssl gnutls"
1788 tls_protocol_select="tcp_protocol"
1789 udp_protocol_deps="network"
1790
1791 # filters
1792 aconvert_filter_deps="swresample"
1793 amovie_filter_deps="avcodec avformat"
1794 aresample_filter_deps="swresample"
1795 ass_filter_deps="libass"
1796 asyncts_filter_deps="avresample"
1797 atempo_filter_deps="avcodec rdft"
1798 blackframe_filter_deps="gpl"
1799 boxblur_filter_deps="gpl"
1800 colormatrix_filter_deps="gpl"
1801 cropdetect_filter_deps="gpl"
1802 delogo_filter_deps="gpl"
1803 deshake_filter_deps="avcodec"
1804 drawtext_filter_deps="libfreetype"
1805 flite_filter_deps="libflite"
1806 frei0r_filter_deps="frei0r dlopen"
1807 frei0r_filter_extralibs='$ldl'
1808 frei0r_src_filter_deps="frei0r dlopen"
1809 frei0r_src_filter_extralibs='$ldl'
1810 hqdn3d_filter_deps="gpl"
1811 movie_filter_deps="avcodec avformat"
1812 mp_filter_deps="gpl avcodec swscale postproc"
1813 mptestsrc_filter_deps="gpl"
1814 negate_filter_deps="lut_filter"
1815 resample_filter_deps="avresample"
1816 ocv_filter_deps="libopencv"
1817 pan_filter_deps="swresample"
1818 removelogo_filter_deps="avcodec avformat swscale"
1819 scale_filter_deps="swscale"
1820 select_filter_deps="avcodec"
1821 super2xsai_filter_deps="gpl"
1822 tinterlace_filter_deps="gpl"
1823 yadif_filter_deps="gpl"
1824
1825 # libraries
1826 avdevice_deps="avcodec avformat"
1827 avformat_deps="avcodec"
1828 postproc_deps="gpl"
1829
1830 # programs
1831 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1832 ffmpeg_select="buffersink_filter format_filter aformat_filter
1833                setpts_filter null_filter anull_filter abuffersink_filter"
1834 ffplay_deps="avcodec avformat swscale swresample sdl"
1835 ffplay_select="buffersink_filter rdft"
1836 ffprobe_deps="avcodec avformat"
1837 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1838 ffserver_extralibs='$ldl'
1839
1840 doc_deps_any="texi2html makeinfo pod2man"
1841
1842 # tests
1843 colormatrix1_test_deps="colormatrix_filter"
1844 colormatrix2_test_deps="colormatrix_filter"
1845 flashsv2_test_deps="zlib"
1846 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1847 mpng_test_deps="zlib"
1848 pp_test_deps="mp_filter"
1849 pp2_test_deps="mp_filter"
1850 pp3_test_deps="mp_filter"
1851 pp4_test_deps="mp_filter"
1852 pp5_test_deps="mp_filter"
1853 pp6_test_deps="mp_filter"
1854 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1855 zlib_test_deps="zlib"
1856 zmbv_test_deps="zlib"
1857
1858 test_deps(){
1859     suf1=$1
1860     suf2=$2
1861     shift 2
1862     for v; do
1863         dep=${v%=*}
1864         tests=${v#*=}
1865         for name in ${tests}; do
1866             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1867         done
1868     done
1869 }
1870
1871 test_deps _muxer _demuxer                                               \
1872     aiff                                                                \
1873     pcm_alaw=alaw                                                       \
1874     asf                                                                 \
1875     au                                                                  \
1876     avi                                                                 \
1877     dv=dv_fmt                                                           \
1878     ffm                                                                 \
1879     flv=flv_fmt                                                         \
1880     gxf                                                                 \
1881     matroska=mkv                                                        \
1882     mmf                                                                 \
1883     mov="mov ismv"                                                      \
1884     pcm_mulaw=mulaw                                                     \
1885     mxf="mxf mxf_d10"                                                   \
1886     nut                                                                 \
1887     ogg="ogg ogg_vp3"                                                   \
1888     rawvideo=pixfmt                                                     \
1889     rm                                                                  \
1890     swf                                                                 \
1891     mpegts=ts                                                           \
1892     voc                                                                 \
1893     wav                                                                 \
1894     yuv4mpegpipe=yuv4mpeg                                               \
1895
1896 # default parameters
1897
1898 logfile="config.log"
1899
1900 # installation paths
1901 prefix_default="/usr/local"
1902 bindir_default='${prefix}/bin'
1903 datadir_default='${prefix}/share/ffmpeg'
1904 incdir_default='${prefix}/include'
1905 libdir_default='${prefix}/lib'
1906 mandir_default='${prefix}/share/man'
1907 shlibdir_default="$libdir_default"
1908 postproc_version_default="current"
1909
1910 # toolchain
1911 ar_default="ar"
1912 cc_default="gcc"
1913 cxx_default="g++"
1914 host_cc_default="gcc"
1915 install="install"
1916 ln_s="ln -sf"
1917 nm_default="nm"
1918 objformat="elf"
1919 pkg_config_default=pkg-config
1920 ranlib="ranlib"
1921 strip_default="strip"
1922 yasmexe_default="yasm"
1923
1924 nm_opts='-g'
1925 nogas=":"
1926
1927 # machine
1928 arch_default=$(uname -m)
1929 cpu="generic"
1930
1931 # OS
1932 target_os_default=$(tolower $(uname -s))
1933 host_os=$target_os_default
1934
1935 # alternative libpostproc version
1936 ALT_PP_VER_MAJOR=51
1937 ALT_PP_VER_MINOR=2
1938 ALT_PP_VER_MICRO=101
1939 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1940
1941 # configurable options
1942 enable $PROGRAM_LIST
1943
1944 enable avcodec
1945 enable avdevice
1946 enable avfilter
1947 enable avformat
1948 enable avutil
1949 enable postproc
1950 enable stripping
1951 enable swresample
1952 enable swscale
1953
1954 enable asm
1955 enable debug
1956 enable doc
1957 enable fastdiv
1958 enable network
1959 enable optimizations
1960 enable safe_bitstream_reader
1961 enable static
1962 enable swscale_alpha
1963
1964 # build settings
1965 SHFLAGS='-shared -Wl,-soname,$$(@F)'
1966 FFSERVERLDFLAGS=-Wl,-E
1967 LIBPREF="lib"
1968 LIBSUF=".a"
1969 FULLNAME='$(NAME)$(BUILDSUF)'
1970 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
1971 SLIBPREF="lib"
1972 SLIBSUF=".so"
1973 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
1974 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
1975 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
1976 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
1977 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
1978 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
1979
1980 asflags_filter=echo
1981 cflags_filter=echo
1982 ldflags_filter=echo
1983
1984 AS_C='-c'
1985 AS_O='-o $@'
1986 CC_C='-c'
1987 CC_E='-E -o $@'
1988 CC_O='-o $@'
1989 CXX_C='-c'
1990 CXX_O='-o $@'
1991 LD_O='-o $@'
1992 HOSTCC_C='-c'
1993 HOSTCC_O='-o $@'
1994
1995 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
1996 host_libs='-lm'
1997 host_cflags_filter=echo
1998 host_ldflags_filter=echo
1999
2000 target_path='$(CURDIR)'
2001
2002 # since the object filename is not given with the -MM flag, the compiler
2003 # is only able to print the basename, and we must add the path ourselves
2004 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2005 DEPFLAGS='-MM'
2006
2007 # find source path
2008 if test -f configure; then
2009     source_path=.
2010 else
2011     source_path=$(cd $(dirname "$0"); pwd)
2012     echo "$source_path" | grep -q '[[:blank:]]' &&
2013         die "Out of tree builds are impossible with whitespace in source path."
2014     test -e "$source_path/config.h" &&
2015         die "Out of tree builds are impossible with config.h in source dir."
2016 fi
2017
2018 for v in "$@"; do
2019     r=${v#*=}
2020     l=${v%"$r"}
2021     r=$(sh_quote "$r")
2022     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2023 done
2024
2025 find_things(){
2026     thing=$1
2027     pattern=$2
2028     file=$source_path/$3
2029     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2030 }
2031
2032 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2033 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2034 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2035 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2036 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
2037 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2038 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2039 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2040 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2041 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2042 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2043
2044 ALL_COMPONENTS="
2045     $BSF_LIST
2046     $DECODER_LIST
2047     $DEMUXER_LIST
2048     $ENCODER_LIST
2049     $FILTER_LIST
2050     $HWACCEL_LIST
2051     $INDEV_LIST
2052     $MUXER_LIST
2053     $OUTDEV_LIST
2054     $PARSER_LIST
2055     $PROTOCOL_LIST
2056 "
2057
2058 find_tests(){
2059     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
2060 }
2061
2062 LAVF_FATE_TESTS=$(find_tests lavf-fate)
2063 LAVF_TESTS=$(find_tests lavf)
2064 LAVFI_TESTS=$(find_tests lavfi)
2065 SEEK_TESTS=$(find_tests seek seek_)
2066
2067 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
2068
2069 for n in $COMPONENT_LIST; do
2070     v=$(toupper ${n%s})_LIST
2071     eval enable \$$v
2072     eval ${n}_if_any="\$$v"
2073 done
2074
2075 enable $ARCH_EXT_LIST $ALL_TESTS
2076
2077 die_unknown(){
2078     echo "Unknown option \"$1\"."
2079     echo "See $0 --help for available options."
2080     exit 1
2081 }
2082
2083 show_list() {
2084     suffix=_$1
2085     shift
2086     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2087     exit 0
2088 }
2089
2090 rand_list(){
2091     IFS=', '
2092     set -- $*
2093     unset IFS
2094     for thing; do
2095         comp=${thing%:*}
2096         prob=${thing#$comp}
2097         prob=${prob#:}
2098         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2099         echo "prob ${prob:-0.5}"
2100         printf '%s\n' $comp
2101     done
2102 }
2103
2104 do_random(){
2105     action=$1
2106     shift
2107     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2108     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2109 }
2110
2111 for opt do
2112     optval="${opt#*=}"
2113     case "$opt" in
2114     --extra-ldflags=*) add_ldflags $optval
2115     ;;
2116     --extra-libs=*) add_extralibs $optval
2117     ;;
2118     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2119     ;;
2120     --enable-debug=*) debuglevel="$optval"
2121     ;;
2122     --disable-everything)
2123     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2124     ;;
2125     --enable-random|--disable-random)
2126     action=${opt%%-random}
2127     do_random ${action#--} $COMPONENT_LIST
2128     ;;
2129     --enable-random=*|--disable-random=*)
2130     action=${opt%%-random=*}
2131     do_random ${action#--} $optval
2132     ;;
2133     --enable-*=*|--disable-*=*)
2134     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2135     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2136     eval list=\$$(toupper $thing)_LIST
2137     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2138     $action $(filter "$name" $list)
2139     ;;
2140     --enable-?*|--disable-?*)
2141     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2142     if is_in $option $COMPONENT_LIST; then
2143         test $action = disable && action=unset
2144         eval $action \$$(toupper ${option%s})_LIST
2145     elif is_in $option $CMDLINE_SELECT; then
2146         $action $option
2147     else
2148         die_unknown $opt
2149     fi
2150     ;;
2151     --list-*)
2152         NAME="${opt#--list-}"
2153         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2154         NAME=${NAME%s}
2155         eval show_list $NAME \$$(toupper $NAME)_LIST
2156     ;;
2157     --help|-h) show_help
2158     ;;
2159     *)
2160     optname="${opt%%=*}"
2161     optname="${optname#--}"
2162     optname=$(echo "$optname" | sed 's/-/_/g')
2163     if is_in $optname $CMDLINE_SET; then
2164         eval $optname='$optval'
2165     elif is_in $optname $CMDLINE_APPEND; then
2166         append $optname "$optval"
2167     else
2168          die_unknown $opt
2169     fi
2170     ;;
2171     esac
2172 done
2173
2174 disabled logging && logfile=/dev/null
2175
2176 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2177 set >> $logfile
2178
2179 test -n "$cross_prefix" && enable cross_compile
2180
2181 if enabled cross_compile; then
2182     test -n "$arch" && test -n "$target_os" ||
2183         die "Must specify target arch and OS when cross-compiling"
2184 fi
2185
2186 set_default arch target_os postproc_version
2187
2188 # Check if we should build alternative libpostproc version instead of current
2189 if   test "$postproc_version" = $ALT_PP_VER; then
2190   LIBPOSTPROC_VERSION=$ALT_PP_VER
2191   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2192   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2193   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2194 elif test "$postproc_version" != current; then
2195   die "Invalid argument to --postproc-version. See --help output."
2196 fi
2197
2198 ar_default="${cross_prefix}${ar_default}"
2199 cc_default="${cross_prefix}${cc_default}"
2200 cxx_default="${cross_prefix}${cxx_default}"
2201 nm_default="${cross_prefix}${nm_default}"
2202 pkg_config_default="${cross_prefix}${pkg_config_default}"
2203 ranlib="${cross_prefix}${ranlib}"
2204 strip_default="${cross_prefix}${strip_default}"
2205
2206 sysinclude_default="${sysroot}/usr/include"
2207
2208 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2209 enabled cross_compile || host_cc_default=$cc
2210 set_default host_cc
2211
2212 if ! $pkg_config --version >/dev/null 2>&1; then
2213     warn "$pkg_config not found, library detection may fail."
2214     pkg_config=false
2215 fi
2216
2217 exesuf() {
2218     case $1 in
2219         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2220     esac
2221 }
2222
2223 EXESUF=$(exesuf $target_os)
2224 HOSTEXESUF=$(exesuf $host_os)
2225
2226 # set temporary file name
2227 : ${TMPDIR:=$TEMPDIR}
2228 : ${TMPDIR:=$TMP}
2229 : ${TMPDIR:=/tmp}
2230
2231 if ! check_cmd mktemp -u XXXXXX; then
2232     # simple replacement for missing mktemp
2233     # NOT SAFE FOR GENERAL USE
2234     mktemp(){
2235         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2236     }
2237 fi
2238
2239 tmpfile(){
2240     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2241         (set -C; exec > $tmp) 2>/dev/null ||
2242         die "Unable to create temporary file in $TMPDIR."
2243     append TMPFILES $tmp
2244     eval $1=$tmp
2245 }
2246
2247 trap 'rm -f -- $TMPFILES' EXIT
2248
2249 tmpfile TMPASM .asm
2250 tmpfile TMPC   .c
2251 tmpfile TMPCPP .cpp
2252 tmpfile TMPE   $EXESUF
2253 tmpfile TMPH   .h
2254 tmpfile TMPO   .o
2255 tmpfile TMPS   .S
2256 tmpfile TMPSH  .sh
2257 tmpfile TMPV   .ver
2258
2259 unset -f mktemp
2260
2261 chmod +x $TMPE
2262
2263 # make sure we can execute files in $TMPDIR
2264 cat > $TMPSH 2>> $logfile <<EOF
2265 #! /bin/sh
2266 EOF
2267 chmod +x $TMPSH >> $logfile 2>&1
2268 if ! $TMPSH >> $logfile 2>&1; then
2269     cat <<EOF
2270 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2271 variable to another directory and make sure that it is not mounted noexec.
2272 EOF
2273     die "Sanity test failed."
2274 fi
2275
2276 pgi_flags(){
2277     for flag; do
2278         case $flag in
2279             -fomit-frame-pointer) echo -Mnoframe ;;
2280             -g)                   echo -gopt ;;
2281             *)                    echo $flag ;;
2282         esac
2283     done
2284 }
2285
2286 suncc_flags(){
2287     for flag; do
2288         case $flag in
2289             -march=*|-mcpu=*)
2290                 case "${flag#*=}" in
2291                     native)                   echo -xtarget=native       ;;
2292                     v9|niagara)               echo -xarch=sparc          ;;
2293                     ultrasparc)               echo -xarch=sparcvis       ;;
2294                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2295                     i586|pentium)             echo -xchip=pentium        ;;
2296                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2297                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2298                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2299                     pentium4*)          echo -xtarget=pentium4           ;;
2300                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2301                     *-sse3)             echo -xarch=sse3                 ;;
2302                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
2303                     amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2304                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2305                     k8|opteron|athlon64|athlon-fx)
2306                                               echo -xarch=sse2a          ;;
2307                     athlon*)                  echo -xarch=pentium_proa   ;;
2308                 esac
2309                 ;;
2310             -std=c99)             echo -xc99              ;;
2311             -fomit-frame-pointer) echo -xregs=frameptr    ;;
2312             -fPIC)                echo -KPIC -xcode=pic32 ;;
2313             -W*,*)                echo $flag              ;;
2314             -f*-*|-W*)                                    ;;
2315             *)                    echo $flag              ;;
2316         esac
2317     done
2318 }
2319
2320 tms470_flags(){
2321     for flag; do
2322         case $flag in
2323             -march=*|-mcpu=*)
2324                 case "${flag#*=}" in
2325                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
2326                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
2327                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
2328                     armv6*|arm11*)          echo -mv=6   ;;
2329                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2330                                             echo -mv=5e  ;;
2331                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2332                 esac
2333                 ;;
2334             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2335             -mfpu=vfp)      echo --float_support=vfpv2        ;;
2336             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2337             -msoft-float)   echo --float_support=vfplib       ;;
2338             -O[0-3]|-mf=*)  echo $flag                        ;;
2339             -g)             echo -g -mn                       ;;
2340             -pds=*)         echo $flag                        ;;
2341             -D*|-I*)        echo $flag                        ;;
2342             --gcc|--abi=*)  echo $flag                        ;;
2343             -me)            echo $flag                        ;;
2344         esac
2345     done
2346 }
2347
2348 probe_cc(){
2349     pfx=$1
2350     _cc=$2
2351
2352     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags _ldflags
2353     unset _depflags _DEPCMD _DEPFLAGS
2354     _flags_filter=echo
2355
2356     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2357         _type=llvm_gcc
2358         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2359         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2360         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2361         _cflags_speed='-O3'
2362         _cflags_size='-Os'
2363     elif $_cc -v 2>&1 | grep -qi ^gcc; then
2364         _type=gcc
2365         gcc_version=$($_cc --version | head -n1)
2366         gcc_basever=$($_cc -dumpversion)
2367         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2368         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2369         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2370         if ! $_cc -dumpversion | grep -q '^2\.'; then
2371             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2372         fi
2373         _cflags_speed='-O3'
2374         _cflags_size='-Os'
2375     elif $_cc --version 2>/dev/null | grep -q Intel; then
2376         _type=icc
2377         _ident=$($_cc --version | head -n1)
2378         _depflags='-MMD'
2379         _cflags_speed='-O3'
2380         _cflags_size='-Os'
2381         _cflags_noopt='-O1'
2382     elif $_cc -v 2>&1 | grep -q xlc; then
2383         _type=xlc
2384         _ident=$($_cc -qversion 2>/dev/null | head -n1)
2385         _cflags_speed='-O5'
2386         _cflags_size='-O5 -qcompact'
2387     elif $_cc -V 2>/dev/null | grep -q Compaq; then
2388         _type=ccc
2389         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2390         _DEPFLAGS='-M'
2391         debuglevel=3
2392         _ldflags='-Wl,-z,now' # calls to libots crash without this
2393         _cflags_speed='-fast'
2394         _cflags_size='-O1'
2395     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2396         test -d "$sysroot" || die "No valid sysroot specified."
2397         _type=armcc
2398         _ident=$($_cc --vsn | head -n1)
2399         armcc_conf="$PWD/armcc.conf"
2400         $_cc --arm_linux_configure                 \
2401              --arm_linux_config_file="$armcc_conf" \
2402              --configure_sysroot="$sysroot"        \
2403              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2404              die "Error creating armcc configuration file."
2405         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2406         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2407         as_default="${cross_prefix}gcc"
2408         _depflags='-MMD'
2409         _cflags_speed='-O3'
2410         _cflags_size='-Os'
2411     elif $_cc -version 2>/dev/null | grep -q TMS470; then
2412         _type=tms470
2413         _ident=$($_cc -version | head -n1 | tr -s ' ')
2414         _flags='--gcc --abi=eabi -me'
2415         _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2416         _cc_e='-ppl -fe=$@'
2417         _cc_o='-fe=$@'
2418         as_default="${cross_prefix}gcc"
2419         ld_default="${cross_prefix}gcc"
2420         _depflags='-ppa -ppd=$(@:.o=.d)'
2421         _cflags_speed='-O3 -mf=5'
2422         _cflags_size='-O3 -mf=2'
2423         _flags_filter=tms470_flags
2424     elif $_cc -v 2>&1 | grep -q clang; then
2425         _type=clang
2426         _ident=$($_cc --version | head -n1)
2427         _depflags='-MMD'
2428         _cflags_speed='-O3'
2429         _cflags_size='-Os'
2430     elif $_cc -V 2>&1 | grep -q Sun; then
2431         _type=suncc
2432         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2433         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2434         _DEPFLAGS='-xM1'
2435         _ldflags='-std=c99'
2436         _cflags_speed='-O5'
2437         _cflags_size='-O5 -xspace'
2438         _flags_filter=suncc_flags
2439     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2440         _type=pathscale
2441         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2442         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2443         _cflags_speed='-O2'
2444         _cflags_size='-Os'
2445         _flags_filter='filter_out -Wdisabled-optimization'
2446     elif $_cc -v 2>&1 | grep -q Open64; then
2447         _type=open64
2448         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2449         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2450         _cflags_speed='-O2'
2451         _cflags_size='-Os'
2452         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2453     elif $_cc -V 2>&1 | grep -q Portland; then
2454         _type=pgi
2455         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2456         opt_common='-alias=ansi -Mlre -Mpre'
2457         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2458         _cflags_size="-O2 -Munroll=c:1 $opt_common"
2459         _cflags_noopt="-O1"
2460         _flags_filter=pgi_flags
2461     fi
2462
2463     eval ${pfx}_type=\$_type
2464     eval ${pfx}_ident=\$_ident
2465 }
2466
2467 set_ccvars(){
2468     eval ${1}_C=\${_cc_c-\${${1}_C}}
2469     eval ${1}_E=\${_cc_e-\${${1}_E}}
2470     eval ${1}_O=\${_cc_o-\${${1}_O}}
2471
2472     if [ -n "$_depflags" ]; then
2473         eval ${1}_DEPFLAGS=\$_depflags
2474     else
2475         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2476         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2477         eval DEP${1}FLAGS=\$_flags
2478     fi
2479 }
2480
2481 probe_cc cc "$cc"
2482 cflags_filter=$_flags_filter
2483 cflags_speed=$_cflags_speed
2484 cflags_size=$_cflags_size
2485 cflags_noopt=$_cflags_noopt
2486 add_cflags $_flags $_cflags
2487 cc_ldflags=$_ldflags
2488 set_ccvars CC
2489
2490 probe_cc hostcc "$host_cc"
2491 host_cflags_filter=$_flags_filter
2492 host_ldflags_filter=$_flags_filter
2493 add_host_cflags  $_flags $_cflags
2494 add_host_ldflags $_flags $_ldflags
2495 set_ccvars HOSTCC
2496
2497 test -n "$cc_type" && enable $cc_type ||
2498     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2499
2500 : ${as_default:=$cc}
2501 : ${dep_cc_default:=$cc}
2502 : ${ld_default:=$cc}
2503 set_default ar as dep_cc ld
2504
2505 probe_cc as "$as"
2506 asflags_filter=$_flags_filter
2507 add_asflags $_flags $_cflags
2508 set_ccvars AS
2509
2510 probe_cc ld "$ld"
2511 ldflags_filter=$_flags_filter
2512 add_ldflags $_flags $_ldflags
2513 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2514 LD_O=${_cc_o-$LD_O}
2515
2516 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2517     probe_cc depcc "$dep_cc"
2518     CCDEP=${_DEPCMD:-$DEPCMD}
2519     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2520     DEPCCFLAGS=$_flags
2521 fi
2522
2523 add_cflags $extra_cflags
2524 add_cxxflags $extra_cxxflags
2525 add_asflags $extra_cflags
2526
2527 if test -n "$sysroot"; then
2528     case "$cc_type" in
2529         gcc|llvm_gcc|clang)
2530             add_cppflags --sysroot="$sysroot"
2531             add_ldflags --sysroot="$sysroot"
2532         ;;
2533         tms470)
2534             add_cppflags -I"$sysinclude"
2535             add_ldflags  --sysroot="$sysroot"
2536         ;;
2537     esac
2538 fi
2539
2540 if test "$cpu" = host; then
2541     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2542
2543     case "$cc_type" in
2544         gcc|llvm_gcc)
2545             check_native(){
2546                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2547                 sed -n "/cc1.*$1=/{
2548                             s/.*$1=\\([^ ]*\\).*/\\1/
2549                             p
2550                             q
2551                         }" $TMPE
2552             }
2553             cpu=$(check_native -march || check_native -mcpu)
2554         ;;
2555     esac
2556
2557     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2558 fi
2559
2560 # Deal with common $arch aliases
2561 case "$arch" in
2562     arm*|iPad*)
2563         arch="arm"
2564     ;;
2565     mips|mipsel|IP*)
2566         arch="mips"
2567     ;;
2568     mips64*)
2569         arch="mips"
2570         subarch="mips64"
2571     ;;
2572     parisc|hppa)
2573         arch="parisc"
2574     ;;
2575     parisc64|hppa64)
2576         arch="parisc"
2577         subarch="parisc64"
2578     ;;
2579     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2580         arch="ppc"
2581     ;;
2582     s390|s390x)
2583         arch="s390"
2584     ;;
2585     sh4|sh)
2586         arch="sh4"
2587     ;;
2588     sun4u|sparc64)
2589         arch="sparc"
2590         subarch="sparc64"
2591     ;;
2592     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2593         arch="x86"
2594     ;;
2595 esac
2596
2597 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2598 enable $arch
2599
2600 # Add processor-specific flags
2601 if test "$cpu" = generic; then
2602     : do nothing
2603 elif enabled ppc; then
2604
2605     case $(tolower $cpu) in
2606         601|ppc601|powerpc601)
2607             cpuflags="-mcpu=601"
2608             disable altivec
2609         ;;
2610         603*|ppc603*|powerpc603*)
2611             cpuflags="-mcpu=603"
2612             disable altivec
2613         ;;
2614         604*|ppc604*|powerpc604*)
2615             cpuflags="-mcpu=604"
2616             disable altivec
2617         ;;
2618         g3|75*|ppc75*|powerpc75*)
2619             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2620             disable altivec
2621         ;;
2622         g4|745*|ppc745*|powerpc745*)
2623             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2624         ;;
2625         74*|ppc74*|powerpc74*)
2626             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2627         ;;
2628         g5|970|ppc970|powerpc970)
2629             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2630         ;;
2631         power[3-7]*)
2632             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2633         ;;
2634         cell)
2635             cpuflags="-mcpu=cell"
2636             enable ldbrx
2637         ;;
2638         e500mc)
2639             cpuflags="-mcpu=e500mc"
2640             disable altivec
2641         ;;
2642         e500v2)
2643             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2644             disable altivec
2645         ;;
2646         e500)
2647             cpuflags="-mcpu=8540 -mhard-float"
2648             disable altivec
2649         ;;
2650     esac
2651
2652 elif enabled x86; then
2653
2654     case $cpu in
2655         i[345]86|pentium)
2656             cpuflags="-march=$cpu"
2657             disable mmx
2658         ;;
2659         # targets that do NOT support conditional mov (cmov)
2660         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2661             cpuflags="-march=$cpu"
2662             disable cmov
2663         ;;
2664         # targets that do support conditional mov (cmov)
2665         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2666             cpuflags="-march=$cpu"
2667             enable cmov
2668             enable fast_cmov
2669         ;;
2670         # targets that do support conditional mov but on which it's slow
2671         pentium4|pentium4m|prescott|nocona)
2672             cpuflags="-march=$cpu"
2673             enable cmov
2674             disable fast_cmov
2675         ;;
2676     esac
2677
2678 elif enabled sparc; then
2679
2680     case $cpu in
2681         niagara)
2682             cpuflags="-mcpu=$cpu"
2683             disable vis
2684         ;;
2685         sparc64)
2686             cpuflags="-mcpu=v9"
2687         ;;
2688     esac
2689
2690 elif enabled arm; then
2691
2692     case $cpu in
2693         armv*)
2694             cpuflags="-march=$cpu"
2695             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2696         ;;
2697         *)
2698             cpuflags="-mcpu=$cpu"
2699             case $cpu in
2700                 cortex-a*)                               subarch=armv7a  ;;
2701                 cortex-r*)                               subarch=armv7r  ;;
2702                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2703                 arm11*)                                  subarch=armv6   ;;
2704                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2705                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2706             esac
2707         ;;
2708     esac
2709
2710 elif enabled alpha; then
2711
2712     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2713
2714 elif enabled bfin; then
2715
2716     cpuflags="-mcpu=$cpu"
2717
2718 elif enabled mips; then
2719
2720     cpuflags="-march=$cpu"
2721
2722     case $cpu in
2723         24kc)
2724             disable mipsfpu
2725             disable mipsdspr1
2726             disable mipsdspr2
2727         ;;
2728         24kf*)
2729             disable mipsdspr1
2730             disable mipsdspr2
2731         ;;
2732         24kec|34kc|1004kc)
2733             disable mipsfpu
2734             disable mipsdspr2
2735         ;;
2736         24kef*|34kf*|1004kf*)
2737             disable mipsdspr2
2738         ;;
2739         74kc)
2740             disable mipsfpu
2741         ;;
2742     esac
2743
2744 elif enabled avr32; then
2745
2746     case $cpu in
2747         ap7[02]0[0-2])
2748             subarch="avr32_ap"
2749             cpuflags="-mpart=$cpu"
2750         ;;
2751         ap)
2752             subarch="avr32_ap"
2753             cpuflags="-march=$cpu"
2754         ;;
2755         uc3[ab]*)
2756             subarch="avr32_uc"
2757             cpuflags="-mcpu=$cpu"
2758         ;;
2759         uc)
2760             subarch="avr32_uc"
2761             cpuflags="-march=$cpu"
2762         ;;
2763     esac
2764
2765 fi
2766
2767 add_cflags $cpuflags
2768 add_asflags $cpuflags
2769
2770 # compiler sanity check
2771 check_exec <<EOF
2772 int main(void){ return 0; }
2773 EOF
2774 if test "$?" != 0; then
2775     echo "$cc is unable to create an executable file."
2776     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2777         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2778         echo "Only do this if you know what cross compiling means."
2779     fi
2780     die "C compiler test failed."
2781 fi
2782
2783 add_cppflags -D_ISOC99_SOURCE
2784 add_cxxflags -D__STDC_CONSTANT_MACROS
2785 check_cflags -std=c99
2786 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2787 #include <stdlib.h>
2788 EOF
2789 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2790 #include <stdlib.h>
2791 EOF
2792
2793 check_host_cflags -std=c99
2794 check_host_cflags -Wall
2795
2796 case "$arch" in
2797     alpha|ia64|mips|parisc|sparc)
2798         spic=$shared
2799     ;;
2800     x86)
2801         subarch="x86_32"
2802         check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2803         if test "$subarch" = "x86_64"; then
2804             spic=$shared
2805         fi
2806     ;;
2807     ppc)
2808         check_cc <<EOF && subarch="ppc64"
2809         int test[(int)sizeof(char*) - 7];
2810 EOF
2811     ;;
2812 esac
2813
2814 enable $subarch
2815 enabled spic && enable pic
2816
2817 # OS specific
2818 case $target_os in
2819     haiku)
2820         prefix_default="/boot/common"
2821         network_extralibs="-lnetwork"
2822         host_libs=
2823         ;;
2824     sunos)
2825         FFSERVERLDFLAGS=""
2826         SHFLAGS='-shared -Wl,-h,$$(@F)'
2827         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2828         network_extralibs="-lsocket -lnsl"
2829         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2830         # When using suncc to build, the Solaris linker will mark
2831         # an executable with each instruction set encountered by
2832         # the Solaris assembler.  As our libraries contain their own
2833         # guards for processor-specific code, instead suppress
2834         # generation of the HWCAPS ELF section on Solaris x86 only.
2835         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2836         nm_opts='-P -g'
2837         ;;
2838     netbsd)
2839         disable symver
2840         oss_indev_extralibs="-lossaudio"
2841         oss_outdev_extralibs="-lossaudio"
2842         ;;
2843     openbsd|bitrig)
2844         # On OpenBSD 4.5. the compiler does not use PIC unless
2845         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2846         # however the generated executable will not do anything
2847         # (simply quits with exit-code 1, no crash, no output).
2848         # Thus explicitly enable PIC here.
2849         enable pic
2850         disable symver
2851         SHFLAGS='-shared'
2852         SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2853         oss_indev_extralibs="-lossaudio"
2854         oss_outdev_extralibs="-lossaudio"
2855         ;;
2856     dragonfly)
2857         disable symver
2858         ;;
2859     freebsd)
2860         ;;
2861     bsd/os)
2862         add_extralibs -lpoll -lgnugetopt
2863         strip="strip -d"
2864         ;;
2865     darwin)
2866         gas="gas-preprocessor.pl $cc"
2867         enabled ppc && add_asflags -force_cpusubtype_ALL
2868         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2869         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2870         strip="${strip} -x"
2871         add_ldflags -Wl,-dynamic,-search_paths_first
2872         SLIBSUF=".dylib"
2873         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2874         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2875         FFSERVERLDFLAGS=-Wl,-bind_at_load
2876         objformat="macho"
2877         enabled x86_64 && objformat="macho64"
2878         enabled_any pic shared ||
2879             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2880         ;;
2881     mingw32*)
2882         if test $target_os = "mingw32ce"; then
2883             disable network
2884         else
2885             target_os=mingw32
2886         fi
2887         LIBTARGET=i386
2888         if enabled x86_64; then
2889             LIBTARGET="i386:x86-64"
2890         elif enabled arm; then
2891             LIBTARGET=arm-wince
2892         fi
2893         shlibdir_default="$bindir_default"
2894         SLIBPREF=""
2895         SLIBSUF=".dll"
2896         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2897         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2898         dlltool="${cross_prefix}dlltool"
2899         if check_cmd lib.exe -list; then
2900             SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2901             if enabled x86_64; then
2902                 LIBTARGET=x64
2903             fi
2904         elif check_cmd $dlltool --version; then
2905             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2906         fi
2907         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2908         SLIB_INSTALL_LINKS=
2909         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2910         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2911         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2912         objformat="win32"
2913         enable dos_paths
2914         check_cflags -fno-common
2915         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2916                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2917                 die "ERROR: MinGW runtime version must be >= 3.15."
2918         add_cppflags -U__STRICT_ANSI__
2919         ;;
2920     cygwin*)
2921         target_os=cygwin
2922         shlibdir_default="$bindir_default"
2923         SLIBPREF="cyg"
2924         SLIBSUF=".dll"
2925         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2926         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2927         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2928         SLIB_INSTALL_LINKS=
2929         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2930         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
2931         objformat="win32"
2932         enable dos_paths
2933         check_cflags -fno-common
2934         add_cppflags -U__STRICT_ANSI__
2935         ;;
2936     *-dos|freedos|opendos)
2937         network_extralibs="-lsocket"
2938         objformat="coff"
2939         enable dos_paths
2940         add_cppflags -U__STRICT_ANSI__
2941         ;;
2942     linux)
2943         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2944         enable dv1394
2945         ;;
2946     irix*)
2947         target_os=irix
2948         ranlib="echo ignoring ranlib"
2949         ;;
2950     os/2*)
2951         strip="lxlite -CS"
2952         ln_s="cp -f"
2953         objformat="aout"
2954         add_cppflags -D_GNU_SOURCE
2955         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2956         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2957         FFSERVERLDFLAGS=""
2958         LIBSUF="_s.a"
2959         SLIBPREF=""
2960         SLIBSUF=".dll"
2961         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2962         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2963         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2964           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2965           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
2966           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
2967           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
2968           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
2969         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
2970           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
2971         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
2972         enable dos_paths
2973         enable_weak os2threads
2974         ;;
2975     gnu/kfreebsd)
2976         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
2977         ;;
2978     gnu)
2979         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2980         ;;
2981     qnx)
2982         add_cppflags -D_QNX_SOURCE
2983         network_extralibs="-lsocket"
2984         ;;
2985     symbian)
2986         SLIBSUF=".dll"
2987         enable dos_paths
2988         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
2989         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
2990         add_ldflags -Wl,--target1-abs,--no-undefined \
2991                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
2992                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
2993         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
2994                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
2995                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
2996         ;;
2997     none)
2998         ;;
2999     *)
3000         die "Unknown OS '$target_os'."
3001         ;;
3002 esac
3003
3004 esc(){
3005     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3006 }
3007
3008 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3009
3010 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3011
3012 set_default $PATHS_LIST
3013
3014 # we need to build at least one lib type
3015 if ! enabled_any static shared; then
3016     cat <<EOF
3017 At least one library type must be built.
3018 Specify --enable-static to build the static libraries or --enable-shared to
3019 build the shared libraries as well. To only build the shared libraries specify
3020 --disable-static in addition to --enable-shared.
3021 EOF
3022     exit 1;
3023 fi
3024
3025 die_license_disabled() {
3026     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3027 }
3028
3029 die_license_disabled_gpl() {
3030     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3031 }
3032
3033 die_license_disabled gpl libcdio
3034 die_license_disabled gpl libutvideo
3035 die_license_disabled gpl libx264
3036 die_license_disabled gpl libxavs
3037 die_license_disabled gpl libxvid
3038 die_license_disabled gpl x11grab
3039
3040 die_license_disabled nonfree libaacplus
3041 die_license_disabled nonfree libfaac
3042 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3043 enabled gpl && die_license_disabled_gpl nonfree openssl
3044
3045 die_license_disabled version3 libopencore_amrnb
3046 die_license_disabled version3 libopencore_amrwb
3047 die_license_disabled version3 libvo_aacenc
3048 die_license_disabled version3 libvo_amrwbenc
3049
3050 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3051
3052 disabled optimizations || check_cflags -fomit-frame-pointer
3053
3054 enable_pic() {
3055     enable pic
3056     add_cppflags -DPIC
3057     add_cflags   -fPIC
3058     add_asflags  -fPIC
3059 }
3060
3061 enabled pic && enable_pic
3062
3063 check_cc <<EOF || die "Symbol mangling check failed."
3064 int ff_extern;
3065 EOF
3066 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3067 extern_prefix=${sym%%ff_extern*}
3068
3069 check_cc <<EOF && enable inline_asm
3070 void foo(void) { __asm__ volatile ("" ::); }
3071 EOF
3072
3073 _restrict=
3074 for restrict_keyword in restrict __restrict__ __restrict; do
3075     check_cc <<EOF && _restrict=$restrict_keyword && break
3076 void foo(char * $restrict_keyword p);
3077 EOF
3078 done
3079
3080 check_cc <<EOF && enable attribute_packed
3081 struct { int x; } __attribute__((packed)) x;
3082 EOF
3083
3084 check_cc <<EOF && enable attribute_may_alias
3085 union { int x; } __attribute__((may_alias)) x;
3086 EOF
3087
3088 check_cc <<EOF || die "endian test failed"
3089 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3090 EOF
3091 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3092
3093 if enabled alpha; then
3094
3095     check_cflags -mieee
3096
3097 elif enabled arm; then
3098
3099     enabled thumb && check_cflags -mthumb || check_cflags -marm
3100     nogas=die
3101
3102     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3103         enable vfp_args
3104     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3105         case "${cross_prefix:-$cc}" in
3106             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
3107             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3108 __asm__ (".eabi_attribute 28, 1");
3109 int main(void) { return 0; }
3110 EOF
3111         esac
3112         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3113     fi
3114
3115     enabled armv5te && check_asm armv5te '"qadd r0, r0, r0"'
3116     enabled armv6   && check_asm armv6   '"sadd16 r0, r0, r0"'
3117     enabled armv6t2 && check_asm armv6t2 '"movt r0, #0"'
3118     enabled armvfp  && check_asm armvfp  '"fadds s0, s0, s0"'
3119     enabled neon    && check_asm neon    '"vadd.i16 q0, q0, q0"'
3120     enabled vfpv3   && check_asm vfpv3   '"vmov.f32 s0, #1.0"'
3121
3122     check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3123
3124     enabled_all armv6t2 shared !pic && enable_pic
3125
3126 elif enabled mips; then
3127
3128     check_asm loongson '"dmult.g $1, $2, $3"'
3129     enabled mmi     && check_asm mmi     '"lq $2, 0($2)"'
3130     enabled mips32r2  && add_cflags "-mips32r2" &&
3131      check_asm mips32r2  '"rotr $t0, $t1, 1"'
3132     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3133      check_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3134     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3135      check_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3136     enabled mipsfpu   && add_cflags "-mhard-float" &&
3137      check_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
3138
3139
3140 elif enabled ppc; then
3141
3142     enable local_aligned_8 local_aligned_16
3143
3144     check_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3145     check_asm ibm_asm   '"add 0, 0, 0"'
3146     check_asm ppc4xx    '"maclhw r10, r11, r12"'
3147     check_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3148
3149     # AltiVec flags: The FSF version of GCC differs from the Apple version
3150     if enabled altivec; then
3151         nogas=warn
3152         check_cflags -maltivec -mabi=altivec &&
3153         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3154         check_cflags -faltivec
3155
3156         # check if our compiler supports Motorola AltiVec C API
3157         check_cc <<EOF || disable altivec
3158 $inc_altivec_h
3159 int main(void) {
3160     vector signed int v1, v2, v3;
3161     v1 = vec_add(v2,v3);
3162     return 0;
3163 }
3164 EOF
3165
3166         # check if our compiler supports braces for vector declarations
3167         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
3168 $inc_altivec_h
3169 int main (void) { (vector int) {1}; return 0; }
3170 EOF
3171     fi
3172
3173 elif enabled sparc; then
3174
3175     enabled vis && check_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3176         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3177
3178 elif enabled x86; then
3179
3180     check_code ld immintrin.h "__xgetbv(0)" "cc" && enable xgetbv
3181     check_code ld intrin.h "int info[4]; __cpuid(info, 0)" "cc" && enable cpuid
3182     check_code ld intrin.h "__rdtsc()" "cc" && enable rdtsc
3183     check_code ld intrin.h "unsigned int x = __readeflags()" "cc" && enable rweflags
3184
3185     check_code ld mmintrin.h "_mm_empty()" "cc" && enable mm_empty
3186
3187     enable local_aligned_8 local_aligned_16
3188
3189     # check whether EBP is available on x86
3190     # As 'i' is stored on the stack, this program will crash
3191     # if the base pointer is used to access it because the
3192     # base pointer is cleared in the inline assembly code.
3193     check_exec_crash <<EOF && enable ebp_available
3194     volatile int i=0;
3195     __asm__ volatile (
3196         "xorl %%ebp, %%ebp"
3197     ::: "%ebp");
3198     return i;
3199 EOF
3200
3201     # check whether EBX is available on x86
3202     check_asm ebx_available '""::"b"(0)' &&
3203         check_asm ebx_available '"":::"%ebx"'
3204
3205     # check whether xmm clobbers are supported
3206     check_asm xmm_clobbers '"":::"%xmm0"'
3207
3208     # check whether binutils is new enough to compile SSSE3/MMXEXT
3209     enabled ssse3 && check_asm ssse3 '"pabsw %xmm0, %xmm0"'
3210     enabled mmxext && check_asm mmxext '"pmaxub %mm0, %mm1"'
3211
3212     if ! disabled_any asm mmx yasm; then
3213         if check_cmd $yasmexe --version; then
3214             enabled x86_64 && yasm_extra="-m amd64"
3215             yasm_debug="-g dwarf2"
3216         elif check_cmd nasm -v; then
3217             yasmexe=nasm
3218             yasm_debug="-g -F dwarf"
3219             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3220         fi
3221
3222         YASMFLAGS="-f $objformat $yasm_extra"
3223         enabled pic               && append YASMFLAGS "-DPIC"
3224         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3225         case "$objformat" in
3226             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3227         esac
3228
3229         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3230             die "yasm not found, use --disable-yasm for a crippled build"
3231         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3232         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4
3233         check_yasm "CPU amdnop" && enable cpunop
3234     fi
3235
3236     case "$cpu" in
3237         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3238             disable fast_clz
3239         ;;
3240     esac
3241
3242 fi
3243
3244 if enabled asm; then
3245     as=${gas:=$as}
3246     check_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3247         $nogas "GNU assembler not found, install gas-preprocessor"
3248 fi
3249
3250 check_ldflags -Wl,--as-needed
3251
3252 if check_func dlopen; then
3253     ldl=
3254 elif check_func dlopen -ldl; then
3255     ldl=-ldl
3256 fi
3257
3258 if enabled network; then
3259     check_type "sys/types.h sys/socket.h" socklen_t
3260     check_type netdb.h "struct addrinfo"
3261     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3262     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3263     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3264     check_type netinet/in.h "struct sockaddr_in6"
3265     check_type poll.h "struct pollfd"
3266     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3267     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3268     check_header netinet/sctp.h
3269     check_func getaddrinfo $network_extralibs
3270     # Prefer arpa/inet.h over winsock2
3271     if check_header arpa/inet.h ; then
3272         check_func closesocket
3273     elif check_header winsock2.h ; then
3274         check_func_headers winsock2.h closesocket -lws2 &&
3275             network_extralibs="-lws2" ||
3276         { check_func_headers winsock2.h closesocket -lws2_32 &&
3277             network_extralibs="-lws2_32"; }
3278         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3279         check_type ws2tcpip.h socklen_t
3280         check_type ws2tcpip.h "struct addrinfo"
3281         check_type ws2tcpip.h "struct group_source_req"
3282         check_type ws2tcpip.h "struct ip_mreq_source"
3283         check_type ws2tcpip.h "struct ipv6_mreq"
3284         check_type winsock2.h "struct pollfd"
3285         check_type ws2tcpip.h "struct sockaddr_in6"
3286         check_type ws2tcpip.h "struct sockaddr_storage"
3287         check_struct winsock2.h "struct sockaddr" sa_len
3288     else
3289         disable network
3290     fi
3291 fi
3292
3293 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3294 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3295
3296 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3297 check_func  fcntl
3298 check_func  fork
3299 check_func  gethrtime
3300 check_func  getopt
3301 check_func  getrusage
3302 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3303 check_func  gettimeofday
3304 check_func  inet_aton $network_extralibs
3305 check_func  isatty
3306 check_func  localtime_r
3307 check_func  ${malloc_prefix}memalign            && enable memalign
3308 check_func  mkstemp
3309 check_func  mmap
3310 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3311 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
3312 check_func  setrlimit
3313 check_func  strerror_r
3314 check_func  strptime
3315 check_func  sched_getaffinity
3316 check_func  sysconf
3317 check_func  sysctl
3318 check_func  usleep
3319 check_func_headers conio.h kbhit
3320 check_func_headers windows.h PeekNamedPipe
3321 check_func_headers io.h setmode
3322 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3323 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3324 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3325 check_func_headers windows.h GetProcessAffinityMask
3326 check_func_headers windows.h GetProcessTimes
3327 check_func_headers windows.h GetSystemTimeAsFileTime
3328 check_func_headers windows.h MapViewOfFile
3329 check_func_headers windows.h Sleep
3330 check_func_headers windows.h VirtualAlloc
3331 check_func_headers glob.h glob
3332
3333 check_header dlfcn.h
3334 check_header dxva.h
3335 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3336 check_header libcrystalhd/libcrystalhd_if.h
3337 check_header malloc.h
3338 check_header poll.h
3339 check_header sys/mman.h
3340 check_header sys/param.h
3341 check_header sys/resource.h
3342 check_header sys/select.h
3343 check_header sys/time.h
3344 check_header termios.h
3345 check_header unistd.h
3346 check_header vdpau/vdpau.h
3347 check_header vdpau/vdpau_x11.h
3348 check_header windows.h
3349 check_header X11/extensions/XvMClib.h
3350 check_header asm/types.h
3351
3352 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3353 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3354
3355 # check for VDA header
3356 if ! disabled vda; then
3357     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3358         enable vda
3359         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3360     fi
3361 fi
3362
3363 if ! disabled w32threads && ! enabled pthreads; then
3364     check_func _beginthreadex && enable w32threads
3365 fi
3366
3367 # check for some common methods of building with pthread support
3368 # do this before the optional library checks as some of them require pthreads
3369 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3370     enable pthreads
3371     if check_func pthread_create; then
3372         :
3373     elif check_func pthread_create -pthread; then
3374         add_cflags -pthread
3375         add_extralibs -pthread
3376     elif check_func pthread_create -pthreads; then
3377         add_cflags -pthreads
3378         add_extralibs -pthreads
3379     elif check_func pthread_create -lpthreadGC2; then
3380         add_extralibs -lpthreadGC2
3381     elif ! check_lib pthread.h pthread_create -lpthread; then
3382         disable pthreads
3383     fi
3384 fi
3385
3386 for thread in $THREADS_LIST; do
3387     if enabled $thread; then
3388         test -n "$thread_type" &&
3389             die "ERROR: Only one thread type must be selected." ||
3390             thread_type="$thread"
3391     fi
3392 done
3393
3394 if enabled pthreads; then
3395   check_func pthread_cancel
3396 fi
3397
3398 check_lib math.h sin -lm && LIBM="-lm"
3399 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3400 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3401
3402 check_mathfunc cbrtf
3403 check_mathfunc exp2
3404 check_mathfunc exp2f
3405 check_mathfunc isinf
3406 check_mathfunc isnan
3407 check_mathfunc llrint
3408 check_mathfunc llrintf
3409 check_mathfunc log2
3410 check_mathfunc log2f
3411 check_mathfunc lrint
3412 check_mathfunc lrintf
3413 check_mathfunc rint
3414 check_mathfunc round
3415 check_mathfunc roundf
3416 check_mathfunc trunc
3417 check_mathfunc truncf
3418
3419 # these are off by default, so fail if requested and not available
3420 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3421 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3422 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3423 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3424 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
3425 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3426 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3427 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3428 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3429                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3430                         die "ERROR: libcelt version must be >= 0.11.0."; }
3431 enabled libcaca    && require_pkg_config caca caca.h caca_create_canvas
3432 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3433 enabled libfdk_aac && require  libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3434 flite_libs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"
3435 enabled libflite   && require2 libflite "flite/flite.h" flite_init $flite_libs
3436 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3437 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3438 enabled libilbc    && require  libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3439 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3440 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3441 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3442 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3443 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3444 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3445 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3446 enabled libopus    && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3447 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3448 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3449 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3450 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3451 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3452     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3453     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3454 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3455 enabled libtwolame && require  libtwolame twolame.h twolame_init -ltwolame &&
3456                       { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
3457                         die "ERROR: libtwolame version must be >= 0.3.10"; }
3458 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3459 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3460 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3461 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3462 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3463 enabled libvpx     && {
3464     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3465                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
3466     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
3467                                 die "ERROR: libvpx encoder version must be >=0.9.7"; } }
3468 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3469                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3470                         die "ERROR: libx264 version must be >= 0.118."; }
3471 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3472 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3473 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3474                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3475                         die "ERROR: openal not found"; } &&
3476                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3477                         die "ERROR: openal version must be 1.1 or compatible"; }
3478 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3479                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3480                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3481                         die "ERROR: openssl not found"; }
3482
3483 if enabled gnutls; then
3484     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3485     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3486 fi
3487
3488 # libdc1394 check
3489 if enabled libdc1394; then
3490     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3491         enable libdc1394_2; } ||
3492     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3493         enable libdc1394_1; } ||
3494     die "ERROR: No version of libdc1394 found "
3495 fi
3496
3497 SDL_CONFIG="${cross_prefix}sdl-config"
3498 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3499     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3500     enable sdl &&
3501     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3502 else
3503   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3504     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3505     sdl_libs=$("${SDL_CONFIG}" --libs)
3506     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3507     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3508     enable sdl &&
3509     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3510   fi
3511 fi
3512 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3513
3514 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
3515 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3516 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
3517
3518 check_header linux/fb.h
3519 check_header linux/videodev.h
3520 check_header linux/videodev2.h
3521 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3522
3523 check_header sys/videoio.h
3524
3525 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3526 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3527 # w32api 3.12 had it defined wrong
3528 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3529
3530 check_type "dshow.h" IBaseFilter
3531
3532 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3533 { check_header dev/bktr/ioctl_meteor.h &&
3534   check_header dev/bktr/ioctl_bt848.h; } ||
3535 { check_header machine/ioctl_meteor.h &&
3536   check_header machine/ioctl_bt848.h; } ||
3537 { check_header dev/video/meteor/ioctl_meteor.h &&
3538   check_header dev/video/bktr/ioctl_bt848.h; } ||
3539 check_header dev/ic/bt8xx.h
3540
3541 check_header sndio.h
3542 if check_struct sys/soundcard.h audio_buf_info bytes; then
3543     enable_safe sys/soundcard.h
3544 else
3545     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3546     #include <sys/soundcard.h>
3547     audio_buf_info abc;
3548 EOF
3549 fi
3550 check_header soundcard.h
3551
3552 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3553
3554 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
3555     check_func jack_port_get_latency_range -ljack
3556
3557 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3558
3559 enabled libcdio &&
3560     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3561
3562 enabled x11grab                                           &&
3563 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3564 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3565 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3566
3567 if ! disabled vaapi; then
3568     check_lib va/va.h vaInitialize -lva && {
3569         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3570         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3571     } || disable vaapi
3572 fi
3573
3574 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3575 check_cpp_condition \
3576     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3577     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3578       disable vdpau; }
3579 fi
3580
3581 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3582 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3583 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"
3584
3585 # add some useful compiler flags if supported
3586 check_cflags -Wdeclaration-after-statement
3587 check_cflags -Wall
3588 check_cflags -Wno-parentheses
3589 check_cflags -Wno-switch
3590 check_cflags -Wno-format-zero-length
3591 check_cflags -Wdisabled-optimization
3592 check_cflags -Wpointer-arith
3593 check_cflags -Wredundant-decls
3594 check_cflags -Wno-pointer-sign
3595 check_cflags -Wwrite-strings
3596 check_cflags -Wtype-limits
3597 check_cflags -Wundef
3598 check_cflags -Wmissing-prototypes
3599 check_cflags -Wno-pointer-to-int-cast
3600 check_cflags -Wstrict-prototypes
3601 enabled extra_warnings && check_cflags -Winline
3602
3603 # add some linker flags
3604 check_ldflags -Wl,--warn-common
3605 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3606 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3607
3608 enabled xmm_clobber_test &&
3609     check_ldflags -Wl,--wrap,avcodec_open2              \
3610                   -Wl,--wrap,avcodec_decode_audio4      \
3611                   -Wl,--wrap,avcodec_decode_video2      \
3612                   -Wl,--wrap,avcodec_decode_subtitle2   \
3613                   -Wl,--wrap,avcodec_encode_audio2      \
3614                   -Wl,--wrap,avcodec_encode_video       \
3615                   -Wl,--wrap,avcodec_encode_subtitle    \
3616                   -Wl,--wrap,sws_scale ||
3617     disable xmm_clobber_test
3618
3619 echo "X{};" > $TMPV
3620 if test_ldflags -Wl,--version-script,$TMPV; then
3621     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3622     check_cc <<EOF && enable symver_asm_label
3623 void ff_foo(void) __asm__ ("av_foo@VERSION");
3624 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3625 EOF
3626     check_cc <<EOF && enable symver_gnu_asm
3627 __asm__(".symver ff_foo,av_foo@VERSION");
3628 void ff_foo(void) {}
3629 EOF
3630 fi
3631
3632 if [ -n "$optflags" ]; then
3633     add_cflags $optflags
3634 elif enabled small; then
3635     add_cflags $cflags_size
3636 elif enabled optimizations; then
3637     add_cflags $cflags_speed
3638 else
3639     add_cflags $cflags_noopt
3640 fi
3641 check_cflags -fno-math-errno
3642 check_cflags -fno-signed-zeros
3643 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3644 int x;
3645 EOF
3646
3647
3648 if enabled icc; then
3649     # Just warnings, no remarks
3650     check_cflags -w1
3651     # -wd: Disable following warnings
3652     # 144, 167, 556: -Wno-pointer-sign
3653     # 1292: attribute "foo" ignored
3654     # 1419: external declaration in primary source file
3655     # 10006: ignoring unknown option -fno-signed-zeros
3656     # 10148: ignoring unknown option -Wno-parentheses
3657     # 10156: ignoring option '-W'; no argument required
3658     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3659     # 11030: Warning unknown option --as-needed
3660     # 10156: ignoring option '-export'; no argument required
3661     check_ldflags -wd10156,11030
3662     # Allow to compile with optimizations
3663     check_ldflags -march=$cpu
3664     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3665     enable ebp_available
3666     if enabled x86_32; then
3667         icc_version=$($cc -dumpversion)
3668         test ${icc_version%%.*} -ge 11 &&
3669             check_cflags -falign-stack=maintain-16-byte ||
3670             disable aligned_stack
3671     fi
3672 elif enabled ccc; then
3673     # disable some annoying warnings
3674     add_cflags -msg_disable cvtu32to64
3675     add_cflags -msg_disable embedcomment
3676     add_cflags -msg_disable needconstext
3677     add_cflags -msg_disable nomainieee
3678     add_cflags -msg_disable ptrmismatch1
3679     add_cflags -msg_disable unreachcode
3680 elif enabled gcc; then
3681     check_cflags -fno-tree-vectorize
3682     check_cflags -Werror=implicit-function-declaration
3683     check_cflags -Werror=missing-prototypes
3684 elif enabled llvm_gcc; then
3685     check_cflags -mllvm -stack-alignment=16
3686 elif enabled clang; then
3687     check_cflags -mllvm -stack-alignment=16
3688     check_cflags -Qunused-arguments
3689 elif enabled armcc; then
3690     # 2523: use of inline assembler is deprecated
3691     add_cflags -W${armcc_opt},--diag_suppress=2523
3692     add_cflags -W${armcc_opt},--diag_suppress=1207
3693     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3694     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3695     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3696     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3697 elif enabled tms470; then
3698     add_cflags -pds=824 -pds=837
3699 elif enabled pathscale; then
3700     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3701 fi
3702
3703 enabled_any $THREADS_LIST      && enable threads
3704
3705 check_deps $CONFIG_LIST       \
3706            $CONFIG_EXTRA      \
3707            $HAVE_LIST         \
3708            $ALL_COMPONENTS    \
3709            $ALL_TESTS         \
3710
3711 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3712
3713 if test $target_os = "haiku"; then
3714     disable memalign
3715     disable posix_memalign
3716 fi
3717
3718 ! enabled_any memalign posix_memalign aligned_malloc &&
3719     enabled_any $need_memalign && enable memalign_hack
3720
3721 # add_dep lib dep
3722 # -> enable ${lib}_deps_${dep}
3723 # -> add $dep to ${lib}_deps only once
3724 add_dep() {
3725     lib=$1
3726     dep=$2
3727     enabled "${lib}_deps_${dep}" && return 0
3728     enable  "${lib}_deps_${dep}"
3729     prepend "${lib}_deps" $dep
3730 }
3731
3732 # merge deps lib components
3733 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3734 merge_deps() {
3735     lib=$1
3736     shift
3737     for comp in $*; do
3738         enabled $comp || continue
3739         eval "dep=\"\$${comp}_deps\""
3740         for d in $dep; do
3741             add_dep $lib $d
3742         done
3743     done
3744 }
3745
3746 merge_deps libavfilter $FILTER_LIST
3747
3748 echo "install prefix            $prefix"
3749 echo "source path               $source_path"
3750 echo "C compiler                $cc"
3751 echo "ARCH                      $arch ($cpu)"
3752 if test "$build_suffix" != ""; then
3753     echo "build suffix              $build_suffix"
3754 fi
3755 if test "$progs_suffix" != ""; then
3756     echo "progs suffix              $progs_suffix"
3757 fi
3758 if test "$extra_version" != ""; then
3759     echo "version string suffix     $extra_version"
3760 fi
3761 echo "big-endian                ${bigendian-no}"
3762 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3763 if enabled x86; then
3764     echo "${yasmexe}                      ${yasm-no}"
3765     echo "MMX enabled               ${mmx-no}"
3766     echo "MMXEXT enabled            ${mmxext-no}"
3767     echo "3DNow! enabled            ${amd3dnow-no}"
3768     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3769     echo "SSE enabled               ${sse-no}"
3770     echo "SSSE3 enabled             ${ssse3-no}"
3771     echo "AVX enabled               ${avx-no}"
3772     echo "FMA4 enabled              ${fma4-no}"
3773     echo "CMOV enabled              ${cmov-no}"
3774     echo "CMOV is fast              ${fast_cmov-no}"
3775     echo "EBX available             ${ebx_available-no}"
3776     echo "EBP available             ${ebp_available-no}"
3777 fi
3778 if enabled arm; then
3779     echo "ARMv5TE enabled           ${armv5te-no}"
3780     echo "ARMv6 enabled             ${armv6-no}"
3781     echo "ARMv6T2 enabled           ${armv6t2-no}"
3782     echo "ARM VFP enabled           ${armvfp-no}"
3783     echo "NEON enabled              ${neon-no}"
3784 fi
3785 if enabled mips; then
3786     echo "MMI enabled               ${mmi-no}"
3787     echo "MIPS FPU enabled          ${mipsfpu-no}"
3788     echo "MIPS32R2 enabled          ${mips32r2-no}"
3789     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
3790     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
3791 fi
3792 if enabled ppc; then
3793     echo "AltiVec enabled           ${altivec-no}"
3794     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3795     echo "dcbzl available           ${dcbzl-no}"
3796 fi
3797 if enabled sparc; then
3798     echo "VIS enabled               ${vis-no}"
3799 fi
3800 echo "debug symbols             ${debug-no}"
3801 echo "strip symbols             ${stripping-no}"
3802 echo "optimize for size         ${small-no}"
3803 echo "optimizations             ${optimizations-no}"
3804 echo "static                    ${static-no}"
3805 echo "shared                    ${shared-no}"
3806 echo "postprocessing support    ${postproc-no}"
3807 echo "new filter support        ${avfilter-no}"
3808 echo "network support           ${network-no}"
3809 echo "threading support         ${thread_type-no}"
3810 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3811 echo "SDL support               ${sdl-no}"
3812 echo "libdxva2 enabled          ${dxva2-no}"
3813 echo "libva enabled             ${vaapi-no}"
3814 echo "libvdpau enabled          ${vdpau-no}"
3815 echo "AVISynth enabled          ${avisynth-no}"
3816 echo "frei0r enabled            ${frei0r-no}"
3817 echo "gnutls enabled            ${gnutls-no}"
3818 echo "libaacplus enabled        ${libaacplus-no}"
3819 echo "libass enabled            ${libass-no}"
3820 echo "libcaca enabled           ${libcaca-no}"
3821 echo "libcdio support           ${libcdio-no}"
3822 echo "libcelt enabled           ${libcelt-no}"
3823 echo "libdc1394 support         ${libdc1394-no}"
3824 echo "libfaac enabled           ${libfaac-no}"
3825 echo "libfdk-aac enabled        ${libfdk_aac-no}"
3826 echo "libgsm enabled            ${libgsm-no}"
3827 echo "libiec61883 support       ${libiec61883-no}"
3828 echo "libilbc enabled           ${libilbc-no}"
3829 echo "libmodplug enabled        ${libmodplug-no}"
3830 echo "libmp3lame enabled        ${libmp3lame-no}"
3831 echo "libnut enabled            ${libnut-no}"
3832 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3833 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3834 echo "libopencv support         ${libopencv-no}"
3835 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3836 echo "libopus enabled           ${libopus-no}"
3837 echo "libpulse enabled          ${libpulse-no}"
3838 echo "librtmp enabled           ${librtmp-no}"
3839 echo "libschroedinger enabled   ${libschroedinger-no}"
3840 echo "libspeex enabled          ${libspeex-no}"
3841 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3842 echo "libtheora enabled         ${libtheora-no}"
3843 echo "libtwolame enabled        ${libtwolame-no}"
3844 echo "libutvideo enabled        ${libutvideo-no}"
3845 echo "libv4l2 enabled           ${libv4l2-no}"
3846 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3847 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3848 echo "libvorbis enabled         ${libvorbis-no}"
3849 echo "libvpx enabled            ${libvpx-no}"
3850 echo "libx264 enabled           ${libx264-no}"
3851 echo "libxavs enabled           ${libxavs-no}"
3852 echo "libxvid enabled           ${libxvid-no}"
3853 echo "openal enabled            ${openal-no}"
3854 echo "openssl enabled           ${openssl-no}"
3855 echo "zlib enabled              ${zlib-no}"
3856 echo "bzlib enabled             ${bzlib-no}"
3857 echo "texi2html enabled         ${texi2html-no}"
3858 echo "pod2man enabled           ${pod2man-no}"
3859 echo "makeinfo enabled          ${makeinfo-no}"
3860 test -n "$random_seed" &&
3861     echo "random seed               ${random_seed}"
3862 echo
3863
3864 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3865     echo "Enabled ${type}s:"
3866     eval list=\$$(toupper $type)_LIST
3867     print_enabled '_*' $list | sort | pr -r -3 -t
3868     echo
3869 done
3870
3871 license="LGPL version 2.1 or later"
3872 if enabled nonfree; then
3873     license="nonfree and unredistributable"
3874 elif enabled gplv3; then
3875     license="GPL version 3 or later"
3876 elif enabled lgplv3; then
3877     license="LGPL version 3 or later"
3878 elif enabled gpl; then
3879     license="GPL version 2 or later"
3880 fi
3881
3882 echo "License: $license"
3883
3884 echo "Creating config.mak and config.h..."
3885
3886 test -e Makefile || $ln_s "$source_path/Makefile" .
3887
3888 enabled stripping || strip="echo skipping strip"
3889
3890 config_files="$TMPH config.mak"
3891
3892 cat > config.mak <<EOF
3893 # Automatically generated by configure - do not modify!
3894 ifndef FFMPEG_CONFIG_MAK
3895 FFMPEG_CONFIG_MAK=1
3896 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3897 prefix=$prefix
3898 LIBDIR=\$(DESTDIR)$libdir
3899 SHLIBDIR=\$(DESTDIR)$shlibdir
3900 INCDIR=\$(DESTDIR)$incdir
3901 BINDIR=\$(DESTDIR)$bindir
3902 DATADIR=\$(DESTDIR)$datadir
3903 MANDIR=\$(DESTDIR)$mandir
3904 SRC_PATH=$source_path
3905 ifndef MAIN_MAKEFILE
3906 SRC_PATH:=\$(SRC_PATH:.%=..%)
3907 endif
3908 CC_IDENT=$cc_ident
3909 ARCH=$arch
3910 CC=$cc
3911 CXX=$cxx
3912 AS=$as
3913 LD=$ld
3914 DEPCC=$dep_cc
3915 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
3916 DEPAS=$as
3917 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
3918 YASM=$yasmexe
3919 DEPYASM=$yasmexe
3920 AR=$ar
3921 RANLIB=$ranlib
3922 CP=cp -p
3923 LN_S=$ln_s
3924 STRIP=$strip
3925 CPPFLAGS=$CPPFLAGS
3926 CFLAGS=$CFLAGS
3927 CXXFLAGS=$CXXFLAGS
3928 ASFLAGS=$ASFLAGS
3929 AS_C=$AS_C
3930 AS_O=$AS_O
3931 CC_C=$CC_C
3932 CC_O=$CC_O
3933 CXX_C=$CXX_C
3934 CXX_O=$CXX_O
3935 LD_O=$LD_O
3936 DLLTOOL=$dlltool
3937 LDFLAGS=$LDFLAGS
3938 LDFLAGS-ffserver=$FFSERVERLDFLAGS
3939 SHFLAGS=$SHFLAGS
3940 YASMFLAGS=$YASMFLAGS
3941 BUILDSUF=$build_suffix
3942 PROGSSUF=$progs_suffix
3943 FULLNAME=$FULLNAME
3944 LIBPREF=$LIBPREF
3945 LIBSUF=$LIBSUF
3946 LIBNAME=$LIBNAME
3947 SLIBPREF=$SLIBPREF
3948 SLIBSUF=$SLIBSUF
3949 EXESUF=$EXESUF
3950 EXTRA_VERSION=$extra_version
3951 CCDEP=$CCDEP
3952 CXXDEP=$CXXDEP
3953 CCDEP_FLAGS=$CCDEP_FLAGS
3954 ASDEP=$ASDEP
3955 ASDEP_FLAGS=$ASDEP_FLAGS
3956 CC_DEPFLAGS=$CC_DEPFLAGS
3957 AS_DEPFLAGS=$AS_DEPFLAGS
3958 HOSTCC=$host_cc
3959 HOSTCFLAGS=$host_cflags
3960 HOSTEXESUF=$HOSTEXESUF
3961 HOSTLDFLAGS=$host_ldflags
3962 HOSTLIBS=$host_libs
3963 DEPHOSTCC=$host_cc
3964 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
3965 HOSTCCDEP=$HOSTCCDEP
3966 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
3967 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
3968 HOSTCC_C=$HOSTCC_C
3969 HOSTCC_O=$HOSTCC_O
3970 TARGET_EXEC=$target_exec
3971 TARGET_PATH=$target_path
3972 LIBS-ffplay=$sdl_libs
3973 CFLAGS-ffplay=$sdl_cflags
3974 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
3975 EXTRALIBS=$extralibs
3976 INSTALL=$install
3977 LIBTARGET=${LIBTARGET}
3978 SLIBNAME=${SLIBNAME}
3979 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
3980 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
3981 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
3982 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
3983 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
3984 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
3985 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
3986 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
3987 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
3988 NOREDZONE_FLAGS=$noredzone_flags
3989 EOF
3990
3991 get_version(){
3992     lcname=$1
3993     name=$(toupper $lcname)
3994     file=$source_path/$lcname/version.h
3995     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
3996     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
3997     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
3998     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
3999 }
4000
4001 get_version_old(){
4002     name=$1
4003     file=$source_path/$2
4004 # This condition will be removed when we stop supporting old libpostproc versions
4005 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
4006     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4007     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4008 fi
4009     lcname=$(tolower $name)
4010     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4011     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4012 }
4013
4014 get_version_old LIBPOSTPROC libpostproc/postprocess.h