Merge remote-tracking branch 'qatar/master'
[ffmpeg.git] / configure
1 #!/bin/sh
2 #
3 # FFmpeg configure script
4 #
5 # Copyright (c) 2000-2002 Fabrice Bellard
6 # Copyright (c) 2005-2008 Diego Biurrun
7 # Copyright (c) 2005-2008 Mans Rullgard
8 #
9
10 # Prevent locale nonsense from breaking basic text processing.
11 LC_ALL=C
12 export LC_ALL
13
14 # make sure we are running under a compatible shell
15 # try to make this part work with most shells
16
17 try_exec(){
18     echo "Trying shell $1"
19     type "$1" > /dev/null 2>&1 && exec "$@"
20 }
21
22 unset foo
23 (: ${foo%%bar}) 2> /dev/null
24 E1="$?"
25
26 (: ${foo?}) 2> /dev/null
27 E2="$?"
28
29 if test "$E1" != 0 || test "$E2" = 0; then
30     echo "Broken shell detected.  Trying alternatives."
31     export FF_CONF_EXEC
32     if test "0$FF_CONF_EXEC" -lt 1; then
33         FF_CONF_EXEC=1
34         try_exec bash "$0" "$@"
35     fi
36     if test "0$FF_CONF_EXEC" -lt 2; then
37         FF_CONF_EXEC=2
38         try_exec ksh "$0" "$@"
39     fi
40     if test "0$FF_CONF_EXEC" -lt 3; then
41         FF_CONF_EXEC=3
42         try_exec /usr/xpg4/bin/sh "$0" "$@"
43     fi
44     echo "No compatible shell script interpreter found."
45     echo "This configure script requires a POSIX-compatible shell"
46     echo "such as bash or ksh."
47     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."
48     echo "Instead, install a working POSIX-compatible shell."
49     echo "Disabling this configure test will create a broken FFmpeg."
50     if test "$BASH_VERSION" = '2.04.0(1)-release'; then
51         echo "This bash version ($BASH_VERSION) is broken on your platform."
52         echo "Upgrade to a later version if available."
53     fi
54     exit 1
55 fi
56
57 show_help(){
58 cat <<EOF
59 Usage: configure [options]
60 Options: [defaults in brackets after descriptions]
61
62 Help options:
63   --help                   print this message
64   --list-decoders          show all available decoders
65   --list-encoders          show all available encoders
66   --list-hwaccels          show all available hardware accelerators
67   --list-demuxers          show all available demuxers
68   --list-muxers            show all available muxers
69   --list-parsers           show all available parsers
70   --list-protocols         show all available protocols
71   --list-bsfs              show all available bitstream filters
72   --list-indevs            show all available input devices
73   --list-outdevs           show all available output devices
74   --list-filters           show all available filters
75
76 Standard options:
77   --logfile=FILE           log tests and output to FILE [config.log]
78   --disable-logging        do not log configure debug information
79   --prefix=PREFIX          install in PREFIX [$prefix]
80   --bindir=DIR             install binaries in DIR [PREFIX/bin]
81   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
82   --libdir=DIR             install libs in DIR [PREFIX/lib]
83   --shlibdir=DIR           install shared libs in DIR [PREFIX/lib]
84   --incdir=DIR             install includes in DIR [PREFIX/include]
85   --mandir=DIR             install man page in DIR [PREFIX/share/man]
86
87 Licensing options:
88   --enable-gpl             allow use of GPL code, the resulting libs
89                            and binaries will be under GPL [no]
90   --enable-version3        upgrade (L)GPL to version 3 [no]
91   --enable-nonfree         allow use of nonfree code, the resulting libs
92                            and binaries will be unredistributable [no]
93
94 Configuration options:
95   --disable-static         do not build static libraries [no]
96   --enable-shared          build shared libraries [no]
97   --enable-small           optimize for size instead of speed
98   --enable-runtime-cpudetect detect cpu capabilities at runtime (bigger binary)
99   --enable-gray            enable full grayscale support (slower color)
100   --disable-swscale-alpha  disable alpha channel support in swscale
101
102 Documentation options:
103   --disable-doc            do not build documentation
104   --disable-htmlpages      do not build HTML documentation pages
105   --disable-manpages       do not build man documentation pages
106   --disable-podpages       do not build POD documentation pages
107   --disable-txtpages       do not build text documentation pages
108
109 Component options:
110   --disable-ffmpeg         disable ffmpeg build
111   --disable-ffplay         disable ffplay build
112   --disable-ffprobe        disable ffprobe build
113   --disable-ffserver       disable ffserver build
114   --disable-avdevice       disable libavdevice build
115   --disable-avcodec        disable libavcodec build
116   --disable-avformat       disable libavformat build
117   --disable-swresample     disable libswresample build
118   --disable-swscale        disable libswscale build
119   --disable-postproc       disable libpostproc build
120   --disable-avfilter       disable libavfilter build
121   --enable-avresample      enable libavresample build [no]
122   --disable-pthreads       disable pthreads [auto]
123   --disable-w32threads     disable Win32 threads [auto]
124   --disable-os2threads     disable OS/2 threads [auto]
125   --enable-x11grab         enable X11 grabbing [no]
126   --disable-network        disable network support [no]
127   --disable-dct            disable DCT code
128   --disable-dwt            disable DWT code
129   --disable-lsp            disable LSP code
130   --disable-mdct           disable MDCT code
131   --disable-rdft           disable RDFT code
132   --disable-fft            disable FFT code
133   --enable-dxva2           enable DXVA2 code
134   --enable-vaapi           enable VAAPI code [autodetect]
135   --enable-vda             enable VDA code   [autodetect]
136   --enable-vdpau           enable VDPAU code [autodetect]
137
138 Individual component options:
139   --disable-everything     disable all components listed below
140   --disable-encoder=NAME   disable encoder NAME
141   --enable-encoder=NAME    enable encoder NAME
142   --disable-encoders       disable all encoders
143   --disable-decoder=NAME   disable decoder NAME
144   --enable-decoder=NAME    enable decoder NAME
145   --disable-decoders       disable all decoders
146   --disable-hwaccel=NAME   disable hwaccel NAME
147   --enable-hwaccel=NAME    enable hwaccel NAME
148   --disable-hwaccels       disable all hwaccels
149   --disable-muxer=NAME     disable muxer NAME
150   --enable-muxer=NAME      enable muxer NAME
151   --disable-muxers         disable all muxers
152   --disable-demuxer=NAME   disable demuxer NAME
153   --enable-demuxer=NAME    enable demuxer NAME
154   --disable-demuxers       disable all demuxers
155   --enable-parser=NAME     enable parser NAME
156   --disable-parser=NAME    disable parser NAME
157   --disable-parsers        disable all parsers
158   --enable-bsf=NAME        enable bitstream filter NAME
159   --disable-bsf=NAME       disable bitstream filter NAME
160   --disable-bsfs           disable all bitstream filters
161   --enable-protocol=NAME   enable protocol NAME
162   --disable-protocol=NAME  disable protocol NAME
163   --disable-protocols      disable all protocols
164   --enable-indev=NAME      enable input device NAME
165   --disable-indev=NAME     disable input device NAME
166   --disable-indevs         disable input devices
167   --enable-outdev=NAME     enable output device NAME
168   --disable-outdev=NAME    disable output device NAME
169   --disable-outdevs        disable output devices
170   --disable-devices        disable all devices
171   --enable-filter=NAME     enable filter NAME
172   --disable-filter=NAME    disable filter NAME
173   --disable-filters        disable all filters
174
175 External library support:
176   --enable-avisynth        enable reading of AVISynth script files [no]
177   --enable-bzlib           enable bzlib [autodetect]
178   --enable-fontconfig      enable fontconfig
179   --enable-frei0r          enable frei0r video filtering
180   --enable-gnutls          enable gnutls [no]
181   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
182   --enable-libass          enable libass subtitles rendering [no]
183   --enable-libbluray       enable BluRay reading using libbluray [no]
184   --enable-libcaca         enable textual display using libcaca
185   --enable-libcelt         enable CELT decoding via libcelt [no]
186   --enable-libcdio         enable audio CD grabbing with libcdio
187   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
188                            and libraw1394 [no]
189   --enable-libfaac         enable AAC encoding via libfaac [no]
190   --enable-libfdk-aac      enable AAC encoding via libfdk-aac [no]
191   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
192   --enable-libfreetype     enable libfreetype [no]
193   --enable-libgsm          enable GSM de/encoding via libgsm [no]
194   --enable-libiec61883     enable iec61883 via libiec61883 [no]
195   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
196   --enable-libmodplug      enable ModPlug via libmodplug [no]
197   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
198   --enable-libnut          enable NUT (de)muxing via libnut,
199                            native (de)muxer exists [no]
200   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
201   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
202   --enable-libopencv       enable video filtering via libopencv [no]
203   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
204   --enable-libopus         enable Opus decoding via libopus [no]
205   --enable-libpulse        enable Pulseaudio input via libpulse [no]
206   --enable-librtmp         enable RTMP[E] support via librtmp [no]
207   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
208   --enable-libspeex        enable Speex de/encoding via libspeex [no]
209   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
210   --enable-libtheora       enable Theora encoding via libtheora [no]
211   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
212   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
213   --enable-libv4l2         enable libv4l2/v4l-utils [no]
214   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
215   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
216   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
217                            native implementation exists [no]
218   --enable-libvpx          enable VP8 de/encoding via libvpx [no]
219   --enable-libx264         enable H.264 encoding via x264 [no]
220   --enable-libxavs         enable AVS encoding via xavs [no]
221   --enable-libxvid         enable Xvid encoding via xvidcore,
222                            native MPEG-4/Xvid encoder exists [no]
223   --enable-openal          enable OpenAL 1.1 capture support [no]
224   --enable-openssl         enable openssl [no]
225   --enable-zlib            enable zlib [autodetect]
226
227 Advanced options (experts only):
228   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
229   --enable-cross-compile   assume a cross-compiler is used
230   --sysroot=PATH           root of cross-build tree
231   --sysinclude=PATH        location of cross-build system headers
232   --target-os=OS           compiler targets OS [$target_os]
233   --target-exec=CMD        command to run executables on target
234   --target-path=DIR        path to view of build directory on target
235   --nm=NM                  use nm tool NM [$nm_default]
236   --ar=AR                  use archive tool AR [$ar_default]
237   --as=AS                  use assembler AS [$as_default]
238   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
239   --cc=CC                  use C compiler CC [$cc_default]
240   --cxx=CXX                use C compiler CXX [$cxx_default]
241   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
242   --ld=LD                  use linker LD [$ld_default]
243   --host-cc=HOSTCC         use host C compiler HOSTCC
244   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
245   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
246   --host-libs=HLIBS        use libs HLIBS when linking for host
247   --host-os=OS             compiler host OS [$target_os]
248   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
249   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
250   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
251   --extra-libs=ELIBS       add ELIBS [$ELIBS]
252   --extra-version=STRING   version string suffix []
253   --optflags=OPTFLAGS      override optimization-related compiler flags
254   --build-suffix=SUFFIX    library name suffix []
255   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
256   --progs-suffix=SUFFIX    program name suffix []
257   --arch=ARCH              select architecture [$arch]
258   --cpu=CPU                select the minimum required CPU (affects
259                            instruction selection, may crash on older CPUs)
260   --enable-pic             build position-independent code
261   --enable-sram            allow use of on-chip SRAM
262   --enable-thumb           compile for Thumb instruction set
263   --disable-symver         disable symbol versioning
264   --disable-fastdiv        disable table-based division
265   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
266   --disable-safe-bitstream-reader
267                            disable buffer boundary checking in bitreaders
268                            (faster, but may crash)
269   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
270
271 Optimization options (experts only):
272   --disable-asm            disable all assembler optimizations
273   --disable-altivec        disable AltiVec optimizations
274   --disable-amd3dnow       disable 3DNow! optimizations
275   --disable-amd3dnowext    disable 3DNow! extended optimizations
276   --disable-mmx            disable MMX optimizations
277   --disable-mmxext         disable MMXEXT optimizations
278   --disable-sse            disable SSE optimizations
279   --disable-ssse3          disable SSSE3 optimizations
280   --disable-avx            disable AVX optimizations
281   --disable-fma4           disable FMA4 optimizations
282   --disable-armv5te        disable armv5te optimizations
283   --disable-armv6          disable armv6 optimizations
284   --disable-armv6t2        disable armv6t2 optimizations
285   --disable-armvfp         disable ARM VFP optimizations
286   --disable-mmi            disable MMI optimizations
287   --disable-neon           disable NEON optimizations
288   --disable-vis            disable VIS optimizations
289   --disable-yasm           disable use of yasm assembler
290   --disable-mips32r2       disable MIPS32R2 optimizations
291   --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations
292   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
293   --disable-mipsfpu        disable floating point MIPS optimizations
294   --disable-fast-unaligned consider unaligned accesses slow
295   --postproc-version=V     build libpostproc version V.
296                            Where V can be '$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO' or 'current'. [$postproc_version_default]
297
298 Developer options (useful when working on FFmpeg itself):
299   --enable-coverage        build with test coverage instrumentation
300   --disable-debug          disable debugging symbols
301   --enable-debug=LEVEL     set the debug level [$debuglevel]
302   --disable-optimizations  disable compiler optimizations
303   --enable-extra-warnings  enable more compiler warnings
304   --disable-stripping      disable stripping of executables and shared libraries
305   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
306                            2 causes a slowdown at runtime.
307   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
308   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
309                            leaks and errors, using the specified valgrind binary.
310                            Cannot be combined with --target-exec
311   --samples=PATH           location of test samples for FATE, if not set use
312                            \$FATE_SAMPLES at make invocation time.
313   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
314                            should be used only for debugging purposes)
315   --enable-random          randomly enable/disable components
316   --disable-random
317   --enable-random=LIST     randomly enable/disable specific components or
318   --disable-random=LIST    component groups. LIST is a comma-separated list
319                            of NAME[:PROB] entries where NAME is a component
320                            (group) and PROB the probability associated with
321                            NAME (default 0.5).
322   --random-seed=VALUE      seed value for --enable/disable-random
323
324 NOTE: Object files are built at the place where configure is launched.
325 EOF
326   exit 0
327 }
328
329 quotes='""'
330
331 log(){
332     echo "$@" >> $logfile
333 }
334
335 log_file(){
336     log BEGIN $1
337     pr -n -t $1 >> $logfile
338     log END $1
339 }
340
341 echolog(){
342     log "$@"
343     echo "$@"
344 }
345
346 warn(){
347     log "WARNING: $*"
348     WARNINGS="${WARNINGS}WARNING: $*\n"
349 }
350
351 die(){
352     echolog "$@"
353     cat <<EOF
354
355 If you think configure made a mistake, make sure you are using the latest
356 version from Git.  If the latest version fails, report the problem to the
357 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
358 EOF
359     if disabled logging; then
360         cat <<EOF
361 Rerun configure with logging enabled (do not use --disable-logging), and
362 include the log this produces with your report.
363 EOF
364     else
365 cat <<EOF
366 Include the log file "$logfile" produced by configure as this will help
367 solving the problem.
368 EOF
369     fi
370     exit 1
371 }
372
373 # Avoid locale weirdness, besides we really just want to translate ASCII.
374 toupper(){
375     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
376 }
377
378 tolower(){
379     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
380 }
381
382 c_escape(){
383     echo "$*" | sed 's/["\\]/\\\0/g'
384 }
385
386 sh_quote(){
387     v=$(echo "$1" | sed "s/'/'\\\\''/g")
388     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
389     echo "$v"
390 }
391
392 cleanws(){
393     echo "$@" | sed 's/^ *//;s/  */ /g;s/ *$//'
394 }
395
396 filter(){
397     pat=$1
398     shift
399     for v; do
400         eval "case $v in $pat) echo $v ;; esac"
401     done
402 }
403
404 filter_out(){
405     pat=$1
406     shift
407     for v; do
408         eval "case $v in $pat) ;; *) echo $v ;; esac"
409     done
410 }
411
412 map(){
413     m=$1
414     shift
415     for v; do eval $m; done
416 }
417
418 set_all(){
419     value=$1
420     shift
421     for var in $*; do
422         eval $var=$value
423     done
424 }
425
426 set_weak(){
427     value=$1
428     shift
429     for var; do
430         eval : \${$var:=$value}
431     done
432 }
433
434 set_safe(){
435     var=$1
436     shift
437     eval $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')='$*'
438 }
439
440 get_safe(){
441     eval echo \$$(echo "$1" | sed 's/[^A-Za-z0-9_]/_/g')
442 }
443
444 pushvar(){
445     for var in $*; do
446         eval level=\${${var}_level:=0}
447         eval ${var}_${level}="\$$var"
448         eval ${var}_level=$(($level+1))
449     done
450 }
451
452 popvar(){
453     for var in $*; do
454         eval level=\${${var}_level:-0}
455         test $level = 0 && continue
456         eval level=$(($level-1))
457         eval $var="\${${var}_${level}}"
458         eval ${var}_level=$level
459         eval unset ${var}_${level}
460     done
461 }
462
463 enable(){
464     set_all yes $*
465 }
466
467 disable(){
468     set_all no $*
469 }
470
471 enable_weak(){
472     set_weak yes $*
473 }
474
475 disable_weak(){
476     set_weak no $*
477 }
478
479 enable_safe(){
480     for var; do
481         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
482     done
483 }
484
485 disable_safe(){
486     for var; do
487         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
488     done
489 }
490
491 do_enable_deep(){
492     for var; do
493         enabled $var && continue
494         eval sel="\$${var}_select"
495         eval sgs="\$${var}_suggest"
496         pushvar var sgs
497         enable_deep $sel
498         popvar sgs
499         enable_deep_weak $sgs
500         popvar var
501     done
502 }
503
504 enable_deep(){
505     do_enable_deep $*
506     enable $*
507 }
508
509 enable_deep_weak(){
510     do_enable_deep $*
511     enable_weak $*
512 }
513
514 enabled(){
515     test "${1#!}" = "$1" && op== || op=!=
516     eval test "x\$${1#!}" $op "xyes"
517 }
518
519 disabled(){
520     test "${1#!}" = "$1" && op== || op=!=
521     eval test "x\$${1#!}" $op "xno"
522 }
523
524 enabled_all(){
525     for opt; do
526         enabled $opt || return 1
527     done
528 }
529
530 disabled_all(){
531     for opt; do
532         disabled $opt || return 1
533     done
534 }
535
536 enabled_any(){
537     for opt; do
538         enabled $opt && return 0
539     done
540 }
541
542 disabled_any(){
543     for opt; do
544         disabled $opt && return 0
545     done
546     return 1
547 }
548
549 set_default(){
550     for opt; do
551         eval : \${$opt:=\$${opt}_default}
552     done
553 }
554
555 is_in(){
556     value=$1
557     shift
558     for var in $*; do
559         [ $var = $value ] && return 0
560     done
561     return 1
562 }
563
564 check_deps(){
565     for cfg; do
566         cfg="${cfg#!}"
567         enabled ${cfg}_checking && die "Circular dependency for $cfg."
568         disabled ${cfg}_checking && continue
569         enable ${cfg}_checking
570
571         eval dep_all="\$${cfg}_deps"
572         eval dep_any="\$${cfg}_deps_any"
573         eval dep_sel="\$${cfg}_select"
574         eval dep_sgs="\$${cfg}_suggest"
575         eval dep_ifa="\$${cfg}_if"
576         eval dep_ifn="\$${cfg}_if_any"
577
578         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
579         check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
580         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
581
582         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
583         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
584         enabled_all  $dep_all || disable $cfg
585         enabled_any  $dep_any || disable $cfg
586         disabled_any $dep_sel && disable $cfg
587
588         if enabled $cfg; then
589             eval dep_extralibs="\$${cfg}_extralibs"
590             test -n "$dep_extralibs" && add_extralibs $dep_extralibs
591             enable_deep $dep_sel
592             enable_deep_weak $dep_sgs
593         fi
594
595         disable ${cfg}_checking
596     done
597 }
598
599 print_config_h(){
600     enabled $1 && v=1 || v=0
601     echo "#define $2 $v"
602 }
603
604 print_config_mak(){
605     enabled $1 && v= || v=!
606     echo "$v$2=yes"
607 }
608
609 print_config_asm(){
610     enabled $1 && v=1 || v=0
611     echo "%define $2 $v"
612 }
613
614 print_config(){
615     pfx=$1
616     files=$2
617     shift 2
618     for cfg; do
619         ucname="$(toupper $cfg)"
620         for f in $files; do
621             "print_config_${f##*.}" $cfg ${pfx}${ucname} >>$f
622         done
623     done
624 }
625
626 print_enabled(){
627     test "$1" = -n && end=" " && shift || end="\n"
628     suf=$1
629     shift
630     for v; do
631         enabled $v && printf "%s$end" ${v%$suf};
632     done
633 }
634
635 append(){
636     var=$1
637     shift
638     eval "$var=\"\$$var $*\""
639 }
640
641 prepend(){
642     var=$1
643     shift
644     eval "$var=\"$* \$$var\""
645 }
646
647 add_cppflags(){
648     append CPPFLAGS "$@"
649 }
650
651 add_cflags(){
652     append CFLAGS $($cflags_filter "$@")
653 }
654
655 add_cxxflags(){
656     append CXXFLAGS $($cflags_filter "$@")
657 }
658
659 add_asflags(){
660     append ASFLAGS $($asflags_filter "$@")
661 }
662
663 add_ldflags(){
664     append LDFLAGS $($ldflags_filter "$@")
665 }
666
667 add_extralibs(){
668     prepend extralibs $($ldflags_filter "$@")
669 }
670
671 add_host_cflags(){
672     append host_cflags $($host_cflags_filter "$@")
673 }
674
675 add_host_ldflags(){
676     append host_ldflags $($host_ldflags_filter "$@")
677 }
678
679 check_cmd(){
680     log "$@"
681     "$@" >> $logfile 2>&1
682 }
683
684 cc_o(){
685     eval printf '%s\\n' $CC_O
686 }
687
688 cc_e(){
689     eval printf '%s\\n' $CC_E
690 }
691
692 check_cc(){
693     log check_cc "$@"
694     cat > $TMPC
695     log_file $TMPC
696     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
697 }
698
699 check_cxx(){
700     log check_cxx "$@"
701     cat > $TMPCPP
702     log_file $TMPCPP
703     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
704 }
705
706 check_cpp(){
707     log check_cpp "$@"
708     cat > $TMPC
709     log_file $TMPC
710     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
711 }
712
713 check_as(){
714     log check_as "$@"
715     cat > $TMPC
716     log_file $TMPC
717     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C -o $TMPO $TMPC
718 }
719
720 check_inline_asm(){
721     log check_inline_asm "$@"
722     name="$1"
723     code="$2"
724     shift 2
725     disable $name
726     check_as "$@" <<EOF && enable $name
727 void foo(void){ __asm__ volatile($code); }
728 EOF
729 }
730
731 check_yasm(){
732     log check_yasm "$@"
733     echo "$1" > $TMPS
734     log_file $TMPS
735     shift 1
736     check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
737 }
738
739 check_ld(){
740     log check_ld "$@"
741     type=$1
742     shift 1
743     flags=''
744     libs=''
745     for f; do
746         test "${f}" = "${f#-l}" && flags="$flags $f" || libs="$libs $f"
747     done
748     check_$type $($cflags_filter $flags) || return
749     flags=$($ldflags_filter $flags)
750     libs=$($ldflags_filter $libs)
751     check_cmd $ld $LDFLAGS $flags -o $TMPE $TMPO $libs $extralibs
752 }
753
754 check_code(){
755     log check_code "$@"
756     check=$1
757     headers=$2
758     code=$3
759     shift 3
760     {
761         for hdr in $headers; do
762             echo "#include <$hdr>"
763         done
764         echo "int main(void) { $code; return 0; }"
765     } | check_$check "$@"
766 }
767
768 check_cppflags(){
769     log check_cppflags "$@"
770     check_cc "$@" <<EOF && append CPPFLAGS "$@"
771 int x;
772 EOF
773 }
774
775 check_cflags(){
776     log check_cflags "$@"
777     set -- $($cflags_filter "$@")
778     check_cc "$@" <<EOF && append CFLAGS "$@"
779 int x;
780 EOF
781 }
782
783 check_cxxflags(){
784     log check_cxxflags "$@"
785     set -- $($cflags_filter "$@")
786     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
787 int x;
788 EOF
789 }
790
791 test_ldflags(){
792     log test_ldflags "$@"
793     check_ld "cc" "$@" <<EOF
794 int main(void){ return 0; }
795 EOF
796 }
797
798 check_ldflags(){
799     log check_ldflags "$@"
800     test_ldflags "$@" && add_ldflags "$@"
801 }
802
803 check_header(){
804     log check_header "$@"
805     header=$1
806     shift
807     disable_safe $header
808     check_cpp "$@" <<EOF && enable_safe $header
809 #include <$header>
810 int x;
811 EOF
812 }
813
814 check_func(){
815     log check_func "$@"
816     func=$1
817     shift
818     disable $func
819     check_ld "cc" "$@" <<EOF && enable $func
820 extern int $func();
821 int main(void){ $func(); }
822 EOF
823 }
824
825 check_mathfunc(){
826     log check_mathfunc "$@"
827     func=$1
828     shift
829     disable $func
830     check_ld "cc" "$@" <<EOF && enable $func
831 #include <math.h>
832 float foo(float f) { return $func(f); }
833 int main(void){ return (int) foo; }
834 EOF
835 }
836
837 check_func_headers(){
838     log check_func_headers "$@"
839     headers=$1
840     funcs=$2
841     shift 2
842     {
843         for hdr in $headers; do
844             echo "#include <$hdr>"
845         done
846         for func in $funcs; do
847             echo "long check_$func(void) { return (long) $func; }"
848         done
849         echo "int main(void) { return 0; }"
850     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
851 }
852
853 check_class_headers_cpp(){
854     log check_class_headers_cpp "$@"
855     headers=$1
856     classes=$2
857     shift 2
858     {
859         for hdr in $headers; do
860             echo "#include <$hdr>"
861         done
862         echo "int main(void) { "
863         i=1
864         for class in $classes; do
865             echo "$class obj$i;"
866             i=$(expr $i + 1)
867         done
868         echo "return 0; }"
869     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
870 }
871
872 check_cpp_condition(){
873     log check_cpp_condition "$@"
874     header=$1
875     condition=$2
876     shift 2
877     check_cpp "$@" <<EOF
878 #include <$header>
879 #if !($condition)
880 #error "unsatisfied condition: $condition"
881 #endif
882 EOF
883 }
884
885 check_lib(){
886     log check_lib "$@"
887     header="$1"
888     func="$2"
889     shift 2
890     check_header $header && check_func $func "$@" && add_extralibs "$@"
891 }
892
893 check_lib2(){
894     log check_lib2 "$@"
895     headers="$1"
896     funcs="$2"
897     shift 2
898     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
899 }
900
901 check_lib_cpp(){
902     log check_lib_cpp "$@"
903     headers="$1"
904     classes="$2"
905     shift 2
906     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
907 }
908
909 check_pkg_config(){
910     log check_pkg_config "$@"
911     pkg="$1"
912     headers="$2"
913     funcs="$3"
914     shift 3
915     $pkg_config --exists $pkg 2>/dev/null || return
916     pkg_cflags=$($pkg_config --cflags $pkg)
917     pkg_libs=$($pkg_config --libs $pkg)
918     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
919         set_safe ${pkg}_cflags $pkg_cflags   &&
920         set_safe ${pkg}_libs   $pkg_libs
921 }
922
923 check_exec(){
924     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
925 }
926
927 check_exec_crash(){
928     code=$(cat)
929
930     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
931     # are safe but may not be available everywhere.  Thus we use
932     # raise(SIGTERM) instead.  The check is run in a subshell so we
933     # can redirect the "Terminated" message from the shell.  SIGBUS
934     # is not defined by standard C so it is used conditionally.
935
936     (check_exec "$@") >> $logfile 2>&1 <<EOF
937 #include <signal.h>
938 static void sighandler(int sig){
939     raise(SIGTERM);
940 }
941 int func(void){
942     $code
943 }
944 int (*func_ptr)(void) = func;
945 int main(void){
946     signal(SIGILL, sighandler);
947     signal(SIGFPE, sighandler);
948     signal(SIGSEGV, sighandler);
949 #ifdef SIGBUS
950     signal(SIGBUS, sighandler);
951 #endif
952     return func_ptr();
953 }
954 EOF
955 }
956
957 check_type(){
958     log check_type "$@"
959     headers=$1
960     type=$2
961     shift 2
962     disable_safe "$type"
963     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
964 }
965
966 check_struct(){
967     log check_type "$@"
968     headers=$1
969     struct=$2
970     member=$3
971     shift 3
972     disable_safe "${struct}_${member}"
973     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
974         enable_safe "${struct}_${member}"
975 }
976
977 require(){
978     name="$1"
979     header="$2"
980     func="$3"
981     shift 3
982     check_lib $header $func "$@" || die "ERROR: $name not found"
983 }
984
985 require2(){
986     name="$1"
987     headers="$2"
988     func="$3"
989     shift 3
990     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
991 }
992
993 require_cpp(){
994     name="$1"
995     headers="$2"
996     classes="$3"
997     shift 3
998     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
999 }
1000
1001 require_pkg_config(){
1002     pkg="$1"
1003     check_pkg_config "$@" || die "ERROR: $pkg not found"
1004     add_cflags    $(get_safe ${pkg}_cflags)
1005     add_extralibs $(get_safe ${pkg}_libs)
1006 }
1007
1008 check_host_cc(){
1009     log check_host_cc "$@"
1010     cat > $TMPC
1011     log_file $TMPC
1012     check_cmd $host_cc $host_cflags "$@" -c -o $TMPO $TMPC
1013 }
1014
1015 check_host_cflags(){
1016     log check_host_cflags "$@"
1017     set -- $($host_cflags_filter "$@")
1018     check_host_cc "$@" <<EOF && append host_cflags "$@"
1019 int x;
1020 EOF
1021 }
1022
1023 apply(){
1024     file=$1
1025     shift
1026     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1027 }
1028
1029 cp_if_changed(){
1030     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1031     mkdir -p "$(dirname $2)"
1032     cp -f "$1" "$2"
1033 }
1034
1035 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1036 # system-dependent things.
1037
1038 COMPONENT_LIST="
1039     bsfs
1040     decoders
1041     demuxers
1042     encoders
1043     filters
1044     hwaccels
1045     indevs
1046     muxers
1047     outdevs
1048     parsers
1049     protocols
1050 "
1051
1052 DOCUMENT_LIST="
1053     doc
1054     htmlpages
1055     manpages
1056     podpages
1057     txtpages
1058 "
1059
1060 PROGRAM_LIST="
1061     ffplay
1062     ffprobe
1063     ffserver
1064     ffmpeg
1065 "
1066
1067 CONFIG_LIST="
1068     $COMPONENT_LIST
1069     $DOCUMENT_LIST
1070     $PROGRAM_LIST
1071     avcodec
1072     avdevice
1073     avfilter
1074     avformat
1075     avresample
1076     avisynth
1077     bzlib
1078     crystalhd
1079     dct
1080     dwt
1081     dxva2
1082     fast_unaligned
1083     fastdiv
1084     fft
1085     fontconfig
1086     frei0r
1087     gnutls
1088     gpl
1089     gray
1090     hardcoded_tables
1091     libaacplus
1092     libass
1093     libbluray
1094     libcaca
1095     libcdio
1096     libcelt
1097     libdc1394
1098     libfaac
1099     libfdk_aac
1100     libflite
1101     libfreetype
1102     libgsm
1103     libiec61883
1104     libilbc
1105     libmodplug
1106     libmp3lame
1107     libnut
1108     libopencore_amrnb
1109     libopencore_amrwb
1110     libopencv
1111     libopenjpeg
1112     libopus
1113     libpulse
1114     librtmp
1115     libschroedinger
1116     libspeex
1117     libstagefright_h264
1118     libtheora
1119     libtwolame
1120     libutvideo
1121     libv4l2
1122     libvo_aacenc
1123     libvo_amrwbenc
1124     libvorbis
1125     libvpx
1126     libx264
1127     libxavs
1128     libxvid
1129     lsp
1130     mdct
1131     memalign_hack
1132     memory_poisoning
1133     network
1134     nonfree
1135     openal
1136     openssl
1137     pic
1138     postproc
1139     rdft
1140     runtime_cpudetect
1141     safe_bitstream_reader
1142     shared
1143     small
1144     sram
1145     static
1146     swresample
1147     swscale
1148     swscale_alpha
1149     thumb
1150     vaapi
1151     vda
1152     vdpau
1153     version3
1154     xmm_clobber_test
1155     x11grab
1156     zlib
1157 "
1158
1159 THREADS_LIST='
1160     pthreads
1161     w32threads
1162     os2threads
1163 '
1164
1165 ARCH_LIST='
1166     alpha
1167     arm
1168     avr32
1169     avr32_ap
1170     avr32_uc
1171     bfin
1172     ia64
1173     m68k
1174     mips
1175     mips64
1176     parisc
1177     ppc
1178     ppc64
1179     s390
1180     sh4
1181     sparc
1182     sparc64
1183     tomi
1184     x86
1185     x86_32
1186     x86_64
1187 '
1188
1189 ARCH_EXT_LIST='
1190     altivec
1191     amd3dnow
1192     amd3dnowext
1193     armv5te
1194     armv6
1195     armv6t2
1196     armvfp
1197     avx
1198     fma4
1199     mmi
1200     mmx
1201     mmxext
1202     neon
1203     ppc4xx
1204     sse
1205     ssse3
1206     vfpv3
1207     vis
1208     mipsfpu
1209     mips32r2
1210     mipsdspr1
1211     mipsdspr2
1212 '
1213
1214 HAVE_LIST_PUB='
1215     bigendian
1216     fast_unaligned
1217 '
1218
1219 HAVE_LIST="
1220     $ARCH_EXT_LIST
1221     $HAVE_LIST_PUB
1222     $THREADS_LIST
1223     aligned_malloc
1224     aligned_stack
1225     alsa_asoundlib_h
1226     altivec_h
1227     arpa_inet_h
1228     asm_mod_q
1229     asm_mod_y
1230     asm_types_h
1231     attribute_may_alias
1232     attribute_packed
1233     cbrtf
1234     clock_gettime
1235     closesocket
1236     cmov
1237     cpuid
1238     cpunop
1239     dcbzl
1240     dev_bktr_ioctl_bt848_h
1241     dev_bktr_ioctl_meteor_h
1242     dev_ic_bt8xx_h
1243     dev_video_bktr_ioctl_bt848_h
1244     dev_video_meteor_ioctl_meteor_h
1245     dlfcn_h
1246     dlopen
1247     dos_paths
1248     dxva_h
1249     ebp_available
1250     ebx_available
1251     exp2
1252     exp2f
1253     fast_64bit
1254     fast_clz
1255     fast_cmov
1256     fcntl
1257     fork
1258     getaddrinfo
1259     gethrtime
1260     getopt
1261     GetProcessAffinityMask
1262     GetProcessMemoryInfo
1263     GetProcessTimes
1264     GetSystemTimeAsFileTime
1265     getrusage
1266     gettimeofday
1267     glob
1268     gnu_as
1269     ibm_asm
1270     inet_aton
1271     inline_asm
1272     isatty
1273     isinf
1274     isnan
1275     jack_port_get_latency_range
1276     kbhit
1277     ldbrx
1278     libdc1394_1
1279     libdc1394_2
1280     llrint
1281     llrintf
1282     local_aligned_16
1283     local_aligned_8
1284     localtime_r
1285     log2
1286     log2f
1287     loongson
1288     lrint
1289     lrintf
1290     lzo1x_999_compress
1291     machine_ioctl_bt848_h
1292     machine_ioctl_meteor_h
1293     makeinfo
1294     malloc_h
1295     MapViewOfFile
1296     memalign
1297     mkstemp
1298     mm_empty
1299     mmap
1300     nanosleep
1301     PeekNamedPipe
1302     perl
1303     pod2man
1304     poll_h
1305     posix_memalign
1306     pthread_cancel
1307     rdtsc
1308     rint
1309     round
1310     roundf
1311     rweflags
1312     sched_getaffinity
1313     sdl
1314     sdl_video_size
1315     setmode
1316     setrlimit
1317     Sleep
1318     sndio_h
1319     socklen_t
1320     soundcard_h
1321     strerror_r
1322     strptime
1323     struct_addrinfo
1324     struct_group_source_req
1325     struct_ip_mreq_source
1326     struct_ipv6_mreq
1327     struct_pollfd
1328     struct_rusage_ru_maxrss
1329     struct_sctp_event_subscribe
1330     struct_sockaddr_in6
1331     struct_sockaddr_sa_len
1332     struct_sockaddr_storage
1333     struct_v4l2_frmivalenum_discrete
1334     symver
1335     symver_asm_label
1336     symver_gnu_asm
1337     sysconf
1338     sysctl
1339     sys_mman_h
1340     sys_param_h
1341     sys_resource_h
1342     sys_select_h
1343     sys_soundcard_h
1344     sys_time_h
1345     sys_videoio_h
1346     termios_h
1347     texi2html
1348     threads
1349     trunc
1350     truncf
1351     unistd_h
1352     usleep
1353     vfp_args
1354     VirtualAlloc
1355     windows_h
1356     winsock2_h
1357     xform_asm
1358     xgetbv
1359     xmm_clobbers
1360     yasm
1361 "
1362
1363 # options emitted with CONFIG_ prefix but not available on command line
1364 CONFIG_EXTRA="
1365     aandcttables
1366     ac3dsp
1367     avutil
1368     gcrypt
1369     golomb
1370     gplv3
1371     h264chroma
1372     h264dsp
1373     h264pred
1374     h264qpel
1375     huffman
1376     lgplv3
1377     lpc
1378     mpegaudiodsp
1379     mpegvideo
1380     mpegvideoenc
1381     nettle
1382     rtpdec
1383     sinewin
1384     vp3dsp
1385 "
1386
1387 CMDLINE_SELECT="
1388     $ARCH_EXT_LIST
1389     $CONFIG_LIST
1390     $THREADS_LIST
1391     asm
1392     coverage
1393     cross_compile
1394     debug
1395     extra_warnings
1396     logging
1397     optimizations
1398     stripping
1399     symver
1400     yasm
1401 "
1402
1403 PATHS_LIST='
1404     bindir
1405     datadir
1406     incdir
1407     libdir
1408     mandir
1409     prefix
1410     shlibdir
1411 '
1412
1413 CMDLINE_SET="
1414     $PATHS_LIST
1415     ar
1416     arch
1417     as
1418     assert_level
1419     build_suffix
1420     cc
1421     cpu
1422     cross_prefix
1423     cxx
1424     dep_cc
1425     extra_version
1426     host_cc
1427     host_cflags
1428     host_ldflags
1429     host_libs
1430     host_os
1431     install
1432     ld
1433     logfile
1434     malloc_prefix
1435     nm
1436     optflags
1437     pkg_config
1438     postproc_version
1439     progs_suffix
1440     random_seed
1441     samples
1442     strip
1443     sysinclude
1444     sysroot
1445     target_exec
1446     target_os
1447     target_path
1448     valgrind
1449     yasmexe
1450 "
1451
1452 CMDLINE_APPEND="
1453     extra_cflags
1454     extra_cxxflags
1455 "
1456
1457 # code dependency declarations
1458
1459 # architecture extensions
1460
1461 armv5te_deps="arm"
1462 armv6_deps="arm"
1463 armv6t2_deps="arm"
1464 armvfp_deps="arm"
1465 neon_deps="arm"
1466 vfpv3_deps="armvfp"
1467
1468 mipsfpu_deps="mips"
1469 mips32r2_deps="mips"
1470 mipsdspr1_deps="mips"
1471 mipsdspr2_deps="mips"
1472 mmi_deps="mips"
1473
1474 altivec_deps="ppc"
1475 ppc4xx_deps="ppc"
1476
1477 vis_deps="sparc"
1478
1479 x86_64_suggest="cmov fast_cmov"
1480 amd3dnow_deps="mmx"
1481 amd3dnowext_deps="amd3dnow"
1482 mmx_deps="x86"
1483 mmxext_deps="mmx"
1484 sse_deps="mmx"
1485 ssse3_deps="sse"
1486 avx_deps="ssse3"
1487 fma4_deps="avx"
1488
1489 aligned_stack_if_any="ppc x86"
1490 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
1491 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
1492 fast_unaligned_if_any="armv6 ppc x86"
1493
1494 inline_asm_deps="!tms470"
1495 need_memalign="altivec neon sse"
1496
1497 symver_if_any="symver_asm_label symver_gnu_asm"
1498
1499 # subsystems
1500 dct_select="rdft"
1501 mdct_select="fft"
1502 rdft_select="fft"
1503 mpegaudiodsp_select="dct"
1504 mpegvideoenc_select="mpegvideo"
1505
1506 # decoders / encoders / hardware accelerators
1507 aac_decoder_select="mdct sinewin"
1508 aac_encoder_select="mdct sinewin"
1509 aac_latm_decoder_select="aac_decoder aac_latm_parser"
1510 ac3_decoder_select="mdct ac3dsp ac3_parser"
1511 ac3_encoder_select="mdct ac3dsp"
1512 ac3_fixed_encoder_select="mdct ac3dsp"
1513 alac_encoder_select="lpc"
1514 amrnb_decoder_select="lsp"
1515 amrwb_decoder_select="lsp"
1516 amv_encoder_select="aandcttables"
1517 atrac1_decoder_select="mdct sinewin"
1518 atrac3_decoder_select="mdct"
1519 binkaudio_dct_decoder_select="mdct rdft dct sinewin"
1520 binkaudio_rdft_decoder_select="mdct rdft sinewin"
1521 cavs_decoder_select="golomb mpegvideo"
1522 cook_decoder_select="mdct sinewin"
1523 cscd_decoder_suggest="zlib"
1524 dca_decoder_select="mdct"
1525 dirac_decoder_select="dwt golomb"
1526 dnxhd_encoder_select="aandcttables mpegvideoenc"
1527 dxa_decoder_select="zlib"
1528 eac3_decoder_select="ac3_decoder"
1529 eac3_encoder_select="mdct ac3dsp"
1530 eamad_decoder_select="aandcttables"
1531 eatgq_decoder_select="aandcttables"
1532 eatqi_decoder_select="aandcttables mpegvideo"
1533 exr_decoder_select="zlib"
1534 ffv1_decoder_select="golomb"
1535 flac_decoder_select="golomb"
1536 flac_encoder_select="golomb lpc"
1537 flashsv_decoder_select="zlib"
1538 flashsv_encoder_select="zlib"
1539 flashsv2_encoder_select="zlib"
1540 flashsv2_decoder_select="zlib"
1541 flv_decoder_select="h263_decoder"
1542 flv_encoder_select="h263_encoder"
1543 fraps_decoder_select="huffman"
1544 h261_decoder_select="mpegvideo"
1545 h261_encoder_select="aandcttables mpegvideoenc"
1546 h263_decoder_select="h263_parser mpegvideo"
1547 h263_encoder_select="aandcttables mpegvideoenc"
1548 h263_vaapi_hwaccel_select="vaapi h263_decoder"
1549 h263i_decoder_select="h263_decoder"
1550 h263p_encoder_select="h263_encoder"
1551 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
1552 h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1553 h264_dxva2_hwaccel_deps="dxva2api_h"
1554 h264_dxva2_hwaccel_select="dxva2 h264_decoder"
1555 h264_vaapi_hwaccel_select="vaapi h264_decoder"
1556 h264_vda_hwaccel_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1557 h264_vda_hwaccel_select="vda h264_decoder"
1558 h264_vdpau_decoder_select="vdpau h264_decoder"
1559 iac_decoder_select="fft mdct sinewin"
1560 imc_decoder_select="fft mdct sinewin"
1561 jpegls_decoder_select="golomb"
1562 jpegls_encoder_select="golomb"
1563 ljpeg_encoder_select="aandcttables mpegvideoenc"
1564 loco_decoder_select="golomb"
1565 mdec_decoder_select="mpegvideo"
1566 mjpeg_encoder_select="aandcttables mpegvideoenc"
1567 mlp_decoder_select="mlp_parser"
1568 mp1_decoder_select="mpegaudiodsp"
1569 mp1float_decoder_select="mpegaudiodsp"
1570 mp2_decoder_select="mpegaudiodsp"
1571 mp2float_decoder_select="mpegaudiodsp"
1572 mp3_decoder_select="mpegaudiodsp"
1573 mp3adu_decoder_select="mpegaudiodsp"
1574 mp3adufloat_decoder_select="mpegaudiodsp"
1575 mp3float_decoder_select="mpegaudiodsp"
1576 mp3on4_decoder_select="mpegaudiodsp"
1577 mp3on4float_decoder_select="mpegaudiodsp"
1578 mpc7_decoder_select="mpegaudiodsp"
1579 mpc8_decoder_select="mpegaudiodsp"
1580 mpeg_vdpau_decoder_select="vdpau mpegvideo_decoder"
1581 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
1582 mpeg_xvmc_decoder_select="mpegvideo_decoder"
1583 mpeg1_vdpau_decoder_select="vdpau mpeg1video_decoder"
1584 mpeg1_vdpau_hwaccel_select="vdpau mpeg1video_decoder"
1585 mpeg1video_decoder_select="mpegvideo"
1586 mpeg1video_encoder_select="aandcttables mpegvideoenc"
1587 mpeg2_crystalhd_decoder_select="crystalhd"
1588 mpeg2_dxva2_hwaccel_deps="dxva2api_h"
1589 mpeg2_dxva2_hwaccel_select="dxva2 mpeg2video_decoder"
1590 mpeg2_vdpau_hwaccel_select="vdpau mpeg2video_decoder"
1591 mpeg2_vaapi_hwaccel_select="vaapi mpeg2video_decoder"
1592 mpeg2video_decoder_select="mpegvideo"
1593 mpeg2video_encoder_select="aandcttables mpegvideoenc"
1594 mpeg4_crystalhd_decoder_select="crystalhd"
1595 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
1596 mpeg4_encoder_select="h263_encoder"
1597 mpeg4_vaapi_hwaccel_select="vaapi mpeg4_decoder"
1598 mpeg4_vdpau_decoder_select="vdpau mpeg4_decoder"
1599 msmpeg4_crystalhd_decoder_select="crystalhd"
1600 msmpeg4v1_decoder_select="h263_decoder"
1601 msmpeg4v1_encoder_select="h263_encoder"
1602 msmpeg4v2_decoder_select="h263_decoder"
1603 msmpeg4v2_encoder_select="h263_encoder"
1604 msmpeg4v3_decoder_select="h263_decoder"
1605 msmpeg4v3_encoder_select="h263_encoder"
1606 nellymoser_decoder_select="mdct sinewin"
1607 nellymoser_encoder_select="mdct sinewin"
1608 png_decoder_select="zlib"
1609 png_encoder_select="zlib"
1610 qcelp_decoder_select="lsp"
1611 qdm2_decoder_select="mdct rdft mpegaudiodsp"
1612 ra_144_encoder_select="lpc"
1613 ralf_decoder_select="golomb"
1614 rv10_decoder_select="h263_decoder"
1615 rv10_encoder_select="h263_encoder"
1616 rv20_decoder_select="h263_decoder"
1617 rv20_encoder_select="h263_encoder"
1618 rv30_decoder_select="golomb h264chroma h264pred h264qpel mpegvideo"
1619 rv40_decoder_select="golomb h264chroma h264pred h264qpel mpegvideo"
1620 shorten_decoder_select="golomb"
1621 sipr_decoder_select="lsp"
1622 snow_decoder_select="dwt"
1623 snow_encoder_select="aandcttables dwt mpegvideoenc"
1624 sonic_decoder_select="golomb"
1625 sonic_encoder_select="golomb"
1626 sonic_ls_encoder_select="golomb"
1627 svq1_decoder_select="mpegvideo"
1628 svq1_encoder_select="aandcttables mpegvideoenc"
1629 svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
1630 svq3_decoder_suggest="zlib"
1631 theora_decoder_select="vp3_decoder"
1632 tiff_decoder_suggest="zlib"
1633 tiff_encoder_suggest="zlib"
1634 tscc_decoder_select="zlib"
1635 twinvq_decoder_select="mdct lsp sinewin"
1636 vc1_crystalhd_decoder_select="crystalhd"
1637 vc1_decoder_select="h263_decoder h264chroma h264qpel"
1638 vc1_dxva2_hwaccel_deps="dxva2api_h"
1639 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
1640 vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
1641 vc1_vdpau_decoder_select="vdpau vc1_decoder"
1642 vc1image_decoder_select="vc1_decoder"
1643 vorbis_decoder_select="mdct"
1644 vorbis_encoder_select="mdct"
1645 vp3_decoder_select="vp3dsp"
1646 vp5_decoder_select="vp3dsp"
1647 vp6_decoder_select="huffman vp3dsp"
1648 vp6a_decoder_select="vp6_decoder"
1649 vp6f_decoder_select="vp6_decoder"
1650 vp8_decoder_select="h264pred h264qpel"
1651 wmapro_decoder_select="mdct sinewin"
1652 wmav1_decoder_select="mdct sinewin"
1653 wmav1_encoder_select="mdct sinewin"
1654 wmav2_decoder_select="mdct sinewin"
1655 wmav2_encoder_select="mdct sinewin"
1656 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
1657 wmv1_decoder_select="h263_decoder"
1658 wmv1_encoder_select="h263_encoder"
1659 wmv2_decoder_select="h263_decoder"
1660 wmv2_encoder_select="h263_encoder"
1661 wmv3_decoder_select="vc1_decoder"
1662 wmv3_crystalhd_decoder_select="crystalhd"
1663 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
1664 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
1665 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
1666 wmv3image_decoder_select="wmv3_decoder"
1667 zerocodec_decoder_select="zlib"
1668 zlib_decoder_select="zlib"
1669 zlib_encoder_select="zlib"
1670 zmbv_decoder_select="zlib"
1671 zmbv_encoder_select="zlib"
1672
1673 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
1674 vaapi_deps="va_va_h"
1675 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
1676 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
1677
1678 # parsers
1679 h264_parser_select="golomb h264dsp h264pred mpegvideo"
1680 mpeg4video_parser_select="mpegvideo"
1681 mpegvideo_parser_select="mpegvideo"
1682 vc1_parser_select="mpegvideo"
1683
1684 # external libraries
1685 libaacplus_encoder_deps="libaacplus"
1686 libcelt_decoder_deps="libcelt"
1687 libfaac_encoder_deps="libfaac"
1688 libfdk_aac_encoder_deps="libfdk_aac"
1689 libgsm_decoder_deps="libgsm"
1690 libgsm_encoder_deps="libgsm"
1691 libgsm_ms_decoder_deps="libgsm"
1692 libgsm_ms_encoder_deps="libgsm"
1693 libilbc_decoder_deps="libilbc"
1694 libilbc_encoder_deps="libilbc"
1695 libmodplug_demuxer_deps="libmodplug"
1696 libmp3lame_encoder_deps="libmp3lame"
1697 libopencore_amrnb_decoder_deps="libopencore_amrnb"
1698 libopencore_amrnb_encoder_deps="libopencore_amrnb"
1699 libopencore_amrwb_decoder_deps="libopencore_amrwb"
1700 libopenjpeg_decoder_deps="libopenjpeg"
1701 libopenjpeg_encoder_deps="libopenjpeg"
1702 libopus_decoder_deps="libopus"
1703 libschroedinger_decoder_deps="libschroedinger"
1704 libschroedinger_encoder_deps="libschroedinger"
1705 libspeex_decoder_deps="libspeex"
1706 libspeex_encoder_deps="libspeex"
1707 libstagefright_h264_decoder_deps="libstagefright_h264"
1708 libtheora_encoder_deps="libtheora"
1709 libtwolame_encoder_deps="libtwolame"
1710 libvo_aacenc_encoder_deps="libvo_aacenc"
1711 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
1712 libvorbis_decoder_deps="libvorbis"
1713 libvorbis_encoder_deps="libvorbis"
1714 libvpx_decoder_deps="libvpx"
1715 libvpx_encoder_deps="libvpx"
1716 libx264_encoder_deps="libx264"
1717 libx264rgb_encoder_deps="libx264"
1718 libxavs_encoder_deps="libxavs"
1719 libxvid_encoder_deps="libxvid"
1720 libutvideo_decoder_deps="libutvideo"
1721 libutvideo_encoder_deps="libutvideo"
1722
1723 # demuxers / muxers
1724 ac3_demuxer_select="ac3_parser"
1725 asf_stream_muxer_select="asf_muxer"
1726 avisynth_demuxer_deps="avisynth"
1727 dirac_demuxer_select="dirac_parser"
1728 eac3_demuxer_select="ac3_parser"
1729 flac_demuxer_select="flac_parser"
1730 ipod_muxer_select="mov_muxer"
1731 libnut_demuxer_deps="libnut"
1732 libnut_muxer_deps="libnut"
1733 matroska_audio_muxer_select="matroska_muxer"
1734 matroska_demuxer_suggest="zlib bzlib"
1735 mov_demuxer_suggest="zlib"
1736 mp3_demuxer_select="mpegaudio_parser"
1737 mp4_muxer_select="mov_muxer"
1738 mpegts_muxer_select="adts_muxer latm_muxer mpegvideo"
1739 mpegtsraw_demuxer_select="mpegts_demuxer"
1740 mxf_d10_muxer_select="mxf_muxer"
1741 ogg_demuxer_select="golomb"
1742 psp_muxer_select="mov_muxer"
1743 rtp_demuxer_select="sdp_demuxer"
1744 rtp_muxer_select="mpegvideo"
1745 rtpdec_select="asf_demuxer rm_demuxer rtp_protocol mpegts_demuxer mov_demuxer"
1746 rtsp_demuxer_select="http_protocol rtpdec"
1747 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
1748 sap_demuxer_select="sdp_demuxer"
1749 sap_muxer_select="rtp_muxer rtp_protocol"
1750 sdp_demuxer_select="rtpdec"
1751 spdif_muxer_select="aac_parser"
1752 tg2_muxer_select="mov_muxer"
1753 tgp_muxer_select="mov_muxer"
1754 w64_demuxer_deps="wav_demuxer"
1755
1756 # indevs / outdevs
1757 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
1758 alsa_outdev_deps="alsa_asoundlib_h"
1759 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
1760 caca_outdev_deps="libcaca"
1761 dshow_indev_deps="IBaseFilter"
1762 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid"
1763 dv1394_indev_deps="dv1394 dv_demuxer"
1764 fbdev_indev_deps="linux_fb_h"
1765 iec61883_indev_deps="libiec61883"
1766 jack_indev_deps="jack_jack_h sem_timedwait"
1767 lavfi_indev_deps="avfilter"
1768 libcdio_indev_deps="libcdio"
1769 libdc1394_indev_deps="libdc1394"
1770 libv4l2_indev_deps="libv4l2"
1771 openal_indev_deps="openal"
1772 oss_indev_deps_any="soundcard_h sys_soundcard_h"
1773 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
1774 pulse_indev_deps="libpulse"
1775 sdl_outdev_deps="sdl"
1776 sndio_indev_deps="sndio_h"
1777 sndio_outdev_deps="sndio_h"
1778 v4l_indev_deps="linux_videodev_h"
1779 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
1780 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
1781 vfwcap_indev_extralibs="-lavicap32"
1782 x11grab_indev_deps="x11grab"
1783
1784 # protocols
1785 bluray_protocol_deps="libbluray"
1786 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
1787 ffrtmpcrypt_protocol_deps_any="gcrypt nettle openssl"
1788 ffrtmpcrypt_protocol_select="tcp_protocol"
1789 ffrtmphttp_protocol_deps="!librtmp_protocol"
1790 ffrtmphttp_protocol_select="http_protocol"
1791 gopher_protocol_deps="network"
1792 httpproxy_protocol_deps="network"
1793 httpproxy_protocol_select="tcp_protocol"
1794 http_protocol_deps="network"
1795 http_protocol_select="tcp_protocol"
1796 https_protocol_select="tls_protocol"
1797 librtmp_protocol_deps="librtmp"
1798 librtmpe_protocol_deps="librtmp"
1799 librtmps_protocol_deps="librtmp"
1800 librtmpt_protocol_deps="librtmp"
1801 librtmpte_protocol_deps="librtmp"
1802 mmsh_protocol_select="http_protocol"
1803 mmst_protocol_deps="network"
1804 rtmp_protocol_deps="!librtmp_protocol"
1805 rtmp_protocol_select="tcp_protocol"
1806 rtmpe_protocol_select="ffrtmpcrypt_protocol"
1807 rtmps_protocol_deps="!librtmp_protocol"
1808 rtmps_protocol_select="tls_protocol"
1809 rtmpt_protocol_select="ffrtmphttp_protocol"
1810 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
1811 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
1812 rtp_protocol_select="udp_protocol"
1813 sctp_protocol_deps="network struct_sctp_event_subscribe"
1814 tcp_protocol_deps="network"
1815 tls_protocol_deps_any="openssl gnutls"
1816 tls_protocol_select="tcp_protocol"
1817 udp_protocol_deps="network"
1818
1819 # filters
1820 aconvert_filter_deps="swresample"
1821 amovie_filter_deps="avcodec avformat"
1822 aresample_filter_deps="swresample"
1823 ass_filter_deps="libass"
1824 asyncts_filter_deps="avresample"
1825 atempo_filter_deps="avcodec rdft"
1826 blackframe_filter_deps="gpl"
1827 boxblur_filter_deps="gpl"
1828 colormatrix_filter_deps="gpl"
1829 cropdetect_filter_deps="gpl"
1830 delogo_filter_deps="gpl"
1831 deshake_filter_deps="avcodec"
1832 drawtext_filter_deps="libfreetype"
1833 flite_filter_deps="libflite"
1834 frei0r_filter_deps="frei0r dlopen"
1835 frei0r_filter_extralibs='$ldl'
1836 frei0r_src_filter_deps="frei0r dlopen"
1837 frei0r_src_filter_extralibs='$ldl'
1838 hqdn3d_filter_deps="gpl"
1839 movie_filter_deps="avcodec avformat"
1840 mp_filter_deps="gpl avcodec swscale postproc"
1841 mptestsrc_filter_deps="gpl"
1842 negate_filter_deps="lut_filter"
1843 resample_filter_deps="avresample"
1844 ocv_filter_deps="libopencv"
1845 pan_filter_deps="swresample"
1846 removelogo_filter_deps="avcodec avformat swscale"
1847 scale_filter_deps="swscale"
1848 select_filter_deps="avcodec"
1849 super2xsai_filter_deps="gpl"
1850 tinterlace_filter_deps="gpl"
1851 yadif_filter_deps="gpl"
1852
1853 # libraries
1854 avdevice_deps="avcodec avformat"
1855 avformat_deps="avcodec"
1856 postproc_deps="gpl"
1857
1858 # programs
1859 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
1860 ffmpeg_select="buffersink_filter format_filter aformat_filter
1861                setpts_filter null_filter anull_filter abuffersink_filter"
1862 ffplay_deps="avcodec avformat swscale swresample sdl"
1863 ffplay_select="buffersink_filter rdft"
1864 ffprobe_deps="avcodec avformat"
1865 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
1866 ffserver_extralibs='$ldl'
1867
1868 # documentation
1869 podpages_deps="perl"
1870 manpages_deps="perl pod2man"
1871 htmlpages_deps="texi2html"
1872 txtpages_deps="makeinfo"
1873 doc_deps_any="manpages htmlpages podpages txtpages"
1874
1875 # tests
1876 colormatrix1_test_deps="colormatrix_filter"
1877 colormatrix2_test_deps="colormatrix_filter"
1878 flashsv2_test_deps="zlib"
1879 mpg_test_deps="mpeg1system_muxer mpegps_demuxer"
1880 mpng_test_deps="zlib"
1881 pp_test_deps="mp_filter"
1882 pp2_test_deps="mp_filter"
1883 pp3_test_deps="mp_filter"
1884 pp4_test_deps="mp_filter"
1885 pp5_test_deps="mp_filter"
1886 pp6_test_deps="mp_filter"
1887 seek_lavf_mxf_d10_test_deps="mxf_d10_test"
1888 zlib_test_deps="zlib"
1889 zmbv_test_deps="zlib"
1890
1891 test_deps(){
1892     suf1=$1
1893     suf2=$2
1894     shift 2
1895     for v; do
1896         dep=${v%=*}
1897         tests=${v#*=}
1898         for name in ${tests}; do
1899             append ${name}_test_deps ${dep}$suf1 ${dep}$suf2
1900         done
1901     done
1902 }
1903
1904 test_deps _muxer _demuxer                                               \
1905     aiff                                                                \
1906     pcm_alaw=alaw                                                       \
1907     asf                                                                 \
1908     au                                                                  \
1909     avi                                                                 \
1910     dv=dv_fmt                                                           \
1911     ffm                                                                 \
1912     flv=flv_fmt                                                         \
1913     gxf                                                                 \
1914     matroska=mkv                                                        \
1915     mmf                                                                 \
1916     mov="mov ismv"                                                      \
1917     pcm_mulaw=mulaw                                                     \
1918     mxf="mxf mxf_d10"                                                   \
1919     nut                                                                 \
1920     ogg="ogg ogg_vp3"                                                   \
1921     rawvideo=pixfmt                                                     \
1922     rm                                                                  \
1923     swf                                                                 \
1924     mpegts=ts                                                           \
1925     voc                                                                 \
1926     wav                                                                 \
1927     yuv4mpegpipe=yuv4mpeg                                               \
1928
1929 # default parameters
1930
1931 logfile="config.log"
1932
1933 # installation paths
1934 prefix_default="/usr/local"
1935 bindir_default='${prefix}/bin'
1936 datadir_default='${prefix}/share/ffmpeg'
1937 incdir_default='${prefix}/include'
1938 libdir_default='${prefix}/lib'
1939 mandir_default='${prefix}/share/man'
1940 shlibdir_default="$libdir_default"
1941 postproc_version_default="current"
1942
1943 # toolchain
1944 ar_default="ar"
1945 cc_default="gcc"
1946 cxx_default="g++"
1947 host_cc_default="gcc"
1948 install="install"
1949 ln_s="ln -sf"
1950 nm_default="nm"
1951 objformat="elf"
1952 pkg_config_default=pkg-config
1953 ranlib="ranlib"
1954 strip_default="strip"
1955 yasmexe_default="yasm"
1956
1957 nm_opts='-g'
1958 nogas=":"
1959
1960 # machine
1961 arch_default=$(uname -m)
1962 cpu="generic"
1963
1964 # OS
1965 target_os_default=$(tolower $(uname -s))
1966 host_os=$target_os_default
1967
1968 # alternative libpostproc version
1969 ALT_PP_VER_MAJOR=51
1970 ALT_PP_VER_MINOR=2
1971 ALT_PP_VER_MICRO=101
1972 ALT_PP_VER=$ALT_PP_VER_MAJOR.$ALT_PP_VER_MINOR.$ALT_PP_VER_MICRO
1973
1974 # configurable options
1975 enable $PROGRAM_LIST
1976 enable $DOCUMENT_LIST
1977
1978 enable avcodec
1979 enable avdevice
1980 enable avfilter
1981 enable avformat
1982 enable avutil
1983 enable postproc
1984 enable stripping
1985 enable swresample
1986 enable swscale
1987
1988 enable asm
1989 enable debug
1990 enable doc
1991 enable fastdiv
1992 enable network
1993 enable optimizations
1994 enable safe_bitstream_reader
1995 enable static
1996 enable swscale_alpha
1997
1998 # build settings
1999 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2000 FFSERVERLDFLAGS=-Wl,-E
2001 LIBPREF="lib"
2002 LIBSUF=".a"
2003 FULLNAME='$(NAME)$(BUILDSUF)'
2004 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2005 SLIBPREF="lib"
2006 SLIBSUF=".so"
2007 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2008 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2009 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2010 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2011 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2012 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2013
2014 asflags_filter=echo
2015 cflags_filter=echo
2016 ldflags_filter=echo
2017
2018 AS_C='-c'
2019 AS_O='-o $@'
2020 CC_C='-c'
2021 CC_E='-E -o $@'
2022 CC_O='-o $@'
2023 CXX_C='-c'
2024 CXX_O='-o $@'
2025 LD_O='-o $@'
2026 HOSTCC_C='-c'
2027 HOSTCC_O='-o $@'
2028
2029 host_cflags='-D_ISOC99_SOURCE -D_XOPEN_SOURCE=600 -O3 -g'
2030 host_libs='-lm'
2031 host_cflags_filter=echo
2032 host_ldflags_filter=echo
2033
2034 target_path='$(CURDIR)'
2035
2036 # since the object filename is not given with the -MM flag, the compiler
2037 # is only able to print the basename, and we must add the path ourselves
2038 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2039 DEPFLAGS='-MM'
2040
2041 # find source path
2042 if test -f configure; then
2043     source_path=.
2044 else
2045     source_path=$(cd $(dirname "$0"); pwd)
2046     echo "$source_path" | grep -q '[[:blank:]]' &&
2047         die "Out of tree builds are impossible with whitespace in source path."
2048     test -e "$source_path/config.h" &&
2049         die "Out of tree builds are impossible with config.h in source dir."
2050 fi
2051
2052 for v in "$@"; do
2053     r=${v#*=}
2054     l=${v%"$r"}
2055     r=$(sh_quote "$r")
2056     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2057 done
2058
2059 find_things(){
2060     thing=$1
2061     pattern=$2
2062     file=$source_path/$3
2063     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2064 }
2065
2066 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2067 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2068 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2069 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2070 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
2071 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2072 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2073 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2074 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2075 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2076 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2077
2078 ALL_COMPONENTS="
2079     $BSF_LIST
2080     $DECODER_LIST
2081     $DEMUXER_LIST
2082     $ENCODER_LIST
2083     $FILTER_LIST
2084     $HWACCEL_LIST
2085     $INDEV_LIST
2086     $MUXER_LIST
2087     $OUTDEV_LIST
2088     $PARSER_LIST
2089     $PROTOCOL_LIST
2090 "
2091
2092 find_tests(){
2093     map "echo ${2}\${v}_test" $(ls "$source_path"/tests/ref/$1 | grep -v '[^-a-z0-9_]')
2094 }
2095
2096 LAVF_FATE_TESTS=$(find_tests lavf-fate)
2097 LAVF_TESTS=$(find_tests lavf)
2098 LAVFI_TESTS=$(find_tests lavfi)
2099 SEEK_TESTS=$(find_tests seek seek_)
2100
2101 ALL_TESTS="$LAVF_FATE_TESTS $LAVF_TESTS $LAVFI_TESTS $SEEK_TESTS"
2102
2103 for n in $COMPONENT_LIST; do
2104     v=$(toupper ${n%s})_LIST
2105     eval enable \$$v
2106     eval ${n}_if_any="\$$v"
2107 done
2108
2109 enable $ARCH_EXT_LIST $ALL_TESTS
2110
2111 die_unknown(){
2112     echo "Unknown option \"$1\"."
2113     echo "See $0 --help for available options."
2114     exit 1
2115 }
2116
2117 show_list() {
2118     suffix=_$1
2119     shift
2120     echo $* | sed s/$suffix//g | tr ' ' '\n' | sort | pr -3 -t
2121     exit 0
2122 }
2123
2124 rand_list(){
2125     IFS=', '
2126     set -- $*
2127     unset IFS
2128     for thing; do
2129         comp=${thing%:*}
2130         prob=${thing#$comp}
2131         prob=${prob#:}
2132         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
2133         echo "prob ${prob:-0.5}"
2134         printf '%s\n' $comp
2135     done
2136 }
2137
2138 do_random(){
2139     action=$1
2140     shift
2141     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
2142     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
2143 }
2144
2145 for opt do
2146     optval="${opt#*=}"
2147     case "$opt" in
2148     --extra-ldflags=*) add_ldflags $optval
2149     ;;
2150     --extra-libs=*) add_extralibs $optval
2151     ;;
2152     --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
2153     ;;
2154     --enable-debug=*) debuglevel="$optval"
2155     ;;
2156     --disable-everything)
2157     map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
2158     ;;
2159     --enable-random|--disable-random)
2160     action=${opt%%-random}
2161     do_random ${action#--} $COMPONENT_LIST
2162     ;;
2163     --enable-random=*|--disable-random=*)
2164     action=${opt%%-random=*}
2165     do_random ${action#--} $optval
2166     ;;
2167     --enable-*=*|--disable-*=*)
2168     eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
2169     is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
2170     eval list=\$$(toupper $thing)_LIST
2171     name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
2172     $action $(filter "$name" $list)
2173     ;;
2174     --enable-?*|--disable-?*)
2175     eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
2176     if is_in $option $COMPONENT_LIST; then
2177         test $action = disable && action=unset
2178         eval $action \$$(toupper ${option%s})_LIST
2179     elif is_in $option $CMDLINE_SELECT; then
2180         $action $option
2181     else
2182         die_unknown $opt
2183     fi
2184     ;;
2185     --list-*)
2186         NAME="${opt#--list-}"
2187         is_in $NAME $COMPONENT_LIST || die_unknown $opt
2188         NAME=${NAME%s}
2189         eval show_list $NAME \$$(toupper $NAME)_LIST
2190     ;;
2191     --help|-h) show_help
2192     ;;
2193     *)
2194     optname="${opt%%=*}"
2195     optname="${optname#--}"
2196     optname=$(echo "$optname" | sed 's/-/_/g')
2197     if is_in $optname $CMDLINE_SET; then
2198         eval $optname='$optval'
2199     elif is_in $optname $CMDLINE_APPEND; then
2200         append $optname "$optval"
2201     else
2202          die_unknown $opt
2203     fi
2204     ;;
2205     esac
2206 done
2207
2208 disabled logging && logfile=/dev/null
2209
2210 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
2211 set >> $logfile
2212
2213 test -n "$cross_prefix" && enable cross_compile
2214
2215 if enabled cross_compile; then
2216     test -n "$arch" && test -n "$target_os" ||
2217         die "Must specify target arch and OS when cross-compiling"
2218 fi
2219
2220 set_default arch target_os postproc_version
2221
2222 # Check if we should build alternative libpostproc version instead of current
2223 if   test "$postproc_version" = $ALT_PP_VER; then
2224   LIBPOSTPROC_VERSION=$ALT_PP_VER
2225   LIBPOSTPROC_VERSION_MAJOR=$ALT_PP_VER_MAJOR
2226   LIBPOSTPROC_VERSION_MINOR=$ALT_PP_VER_MINOR
2227   LIBPOSTPROC_VERSION_MICRO=$ALT_PP_VER_MICRO
2228 elif test "$postproc_version" != current; then
2229   die "Invalid argument to --postproc-version. See --help output."
2230 fi
2231
2232 ar_default="${cross_prefix}${ar_default}"
2233 cc_default="${cross_prefix}${cc_default}"
2234 cxx_default="${cross_prefix}${cxx_default}"
2235 nm_default="${cross_prefix}${nm_default}"
2236 pkg_config_default="${cross_prefix}${pkg_config_default}"
2237 ranlib="${cross_prefix}${ranlib}"
2238 strip_default="${cross_prefix}${strip_default}"
2239
2240 sysinclude_default="${sysroot}/usr/include"
2241
2242 set_default cc cxx nm pkg_config strip sysinclude yasmexe
2243 enabled cross_compile || host_cc_default=$cc
2244 set_default host_cc
2245
2246 if ! $pkg_config --version >/dev/null 2>&1; then
2247     warn "$pkg_config not found, library detection may fail."
2248     pkg_config=false
2249 fi
2250
2251 exesuf() {
2252     case $1 in
2253         mingw32*|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
2254     esac
2255 }
2256
2257 EXESUF=$(exesuf $target_os)
2258 HOSTEXESUF=$(exesuf $host_os)
2259
2260 # set temporary file name
2261 : ${TMPDIR:=$TEMPDIR}
2262 : ${TMPDIR:=$TMP}
2263 : ${TMPDIR:=/tmp}
2264
2265 if ! check_cmd mktemp -u XXXXXX; then
2266     # simple replacement for missing mktemp
2267     # NOT SAFE FOR GENERAL USE
2268     mktemp(){
2269         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
2270     }
2271 fi
2272
2273 tmpfile(){
2274     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
2275         (set -C; exec > $tmp) 2>/dev/null ||
2276         die "Unable to create temporary file in $TMPDIR."
2277     append TMPFILES $tmp
2278     eval $1=$tmp
2279 }
2280
2281 trap 'rm -f -- $TMPFILES' EXIT
2282
2283 tmpfile TMPASM .asm
2284 tmpfile TMPC   .c
2285 tmpfile TMPCPP .cpp
2286 tmpfile TMPE   $EXESUF
2287 tmpfile TMPH   .h
2288 tmpfile TMPO   .o
2289 tmpfile TMPS   .S
2290 tmpfile TMPSH  .sh
2291 tmpfile TMPV   .ver
2292
2293 unset -f mktemp
2294
2295 chmod +x $TMPE
2296
2297 # make sure we can execute files in $TMPDIR
2298 cat > $TMPSH 2>> $logfile <<EOF
2299 #! /bin/sh
2300 EOF
2301 chmod +x $TMPSH >> $logfile 2>&1
2302 if ! $TMPSH >> $logfile 2>&1; then
2303     cat <<EOF
2304 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
2305 variable to another directory and make sure that it is not mounted noexec.
2306 EOF
2307     die "Sanity test failed."
2308 fi
2309
2310 pgi_flags(){
2311     for flag; do
2312         case $flag in
2313             -fomit-frame-pointer) echo -Mnoframe ;;
2314             -g)                   echo -gopt ;;
2315             *)                    echo $flag ;;
2316         esac
2317     done
2318 }
2319
2320 suncc_flags(){
2321     for flag; do
2322         case $flag in
2323             -march=*|-mcpu=*)
2324                 case "${flag#*=}" in
2325                     native)                   echo -xtarget=native       ;;
2326                     v9|niagara)               echo -xarch=sparc          ;;
2327                     ultrasparc)               echo -xarch=sparcvis       ;;
2328                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
2329                     i586|pentium)             echo -xchip=pentium        ;;
2330                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
2331                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
2332                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
2333                     pentium4*)          echo -xtarget=pentium4           ;;
2334                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
2335                     *-sse3)             echo -xarch=sse3                 ;;
2336                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
2337                     amdfam10|barcelona)       echo -xarch=sse4_1         ;;
2338                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
2339                     k8|opteron|athlon64|athlon-fx)
2340                                               echo -xarch=sse2a          ;;
2341                     athlon*)                  echo -xarch=pentium_proa   ;;
2342                 esac
2343                 ;;
2344             -std=c99)             echo -xc99              ;;
2345             -fomit-frame-pointer) echo -xregs=frameptr    ;;
2346             -fPIC)                echo -KPIC -xcode=pic32 ;;
2347             -W*,*)                echo $flag              ;;
2348             -f*-*|-W*)                                    ;;
2349             *)                    echo $flag              ;;
2350         esac
2351     done
2352 }
2353
2354 tms470_flags(){
2355     for flag; do
2356         case $flag in
2357             -march=*|-mcpu=*)
2358                 case "${flag#*=}" in
2359                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
2360                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
2361                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
2362                     armv6*|arm11*)          echo -mv=6   ;;
2363                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
2364                                             echo -mv=5e  ;;
2365                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
2366                 esac
2367                 ;;
2368             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
2369             -mfpu=vfp)      echo --float_support=vfpv2        ;;
2370             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
2371             -msoft-float)   echo --float_support=vfplib       ;;
2372             -O[0-3]|-mf=*)  echo $flag                        ;;
2373             -g)             echo -g -mn                       ;;
2374             -pds=*)         echo $flag                        ;;
2375             -D*|-I*)        echo $flag                        ;;
2376             --gcc|--abi=*)  echo $flag                        ;;
2377             -me)            echo $flag                        ;;
2378         esac
2379     done
2380 }
2381
2382 probe_cc(){
2383     pfx=$1
2384     _cc=$2
2385
2386     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags _ldflags
2387     unset _depflags _DEPCMD _DEPFLAGS
2388     _flags_filter=echo
2389
2390     if $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
2391         _type=llvm_gcc
2392         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
2393         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
2394         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2395         _cflags_speed='-O3'
2396         _cflags_size='-Os'
2397     elif $_cc -v 2>&1 | grep -qi ^gcc; then
2398         _type=gcc
2399         gcc_version=$($_cc --version | head -n1)
2400         gcc_basever=$($_cc -dumpversion)
2401         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
2402         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
2403         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
2404         if ! $_cc -dumpversion | grep -q '^2\.'; then
2405             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2406         fi
2407         _cflags_speed='-O3'
2408         _cflags_size='-Os'
2409     elif $_cc --version 2>/dev/null | grep -q Intel; then
2410         _type=icc
2411         _ident=$($_cc --version | head -n1)
2412         _depflags='-MMD'
2413         _cflags_speed='-O3'
2414         _cflags_size='-Os'
2415         _cflags_noopt='-O1'
2416     elif $_cc -v 2>&1 | grep -q xlc; then
2417         _type=xlc
2418         _ident=$($_cc -qversion 2>/dev/null | head -n1)
2419         _cflags_speed='-O5'
2420         _cflags_size='-O5 -qcompact'
2421     elif $_cc -V 2>/dev/null | grep -q Compaq; then
2422         _type=ccc
2423         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
2424         _DEPFLAGS='-M'
2425         debuglevel=3
2426         _ldflags='-Wl,-z,now' # calls to libots crash without this
2427         _cflags_speed='-fast'
2428         _cflags_size='-O1'
2429     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
2430         test -d "$sysroot" || die "No valid sysroot specified."
2431         _type=armcc
2432         _ident=$($_cc --vsn | head -n1)
2433         armcc_conf="$PWD/armcc.conf"
2434         $_cc --arm_linux_configure                 \
2435              --arm_linux_config_file="$armcc_conf" \
2436              --configure_sysroot="$sysroot"        \
2437              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
2438              die "Error creating armcc configuration file."
2439         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
2440         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
2441         as_default="${cross_prefix}gcc"
2442         _depflags='-MMD'
2443         _cflags_speed='-O3'
2444         _cflags_size='-Os'
2445     elif $_cc -version 2>/dev/null | grep -q TMS470; then
2446         _type=tms470
2447         _ident=$($_cc -version | head -n1 | tr -s ' ')
2448         _flags='--gcc --abi=eabi -me'
2449         _cflags='-D__gnuc_va_list=va_list -D__USER_LABEL_PREFIX__='
2450         _cc_e='-ppl -fe=$@'
2451         _cc_o='-fe=$@'
2452         as_default="${cross_prefix}gcc"
2453         ld_default="${cross_prefix}gcc"
2454         _depflags='-ppa -ppd=$(@:.o=.d)'
2455         _cflags_speed='-O3 -mf=5'
2456         _cflags_size='-O3 -mf=2'
2457         _flags_filter=tms470_flags
2458     elif $_cc -v 2>&1 | grep -q clang; then
2459         _type=clang
2460         _ident=$($_cc --version | head -n1)
2461         _depflags='-MMD'
2462         _cflags_speed='-O3'
2463         _cflags_size='-Os'
2464     elif $_cc -V 2>&1 | grep -q Sun; then
2465         _type=suncc
2466         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
2467         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
2468         _DEPFLAGS='-xM1 -xc99'
2469         _ldflags='-std=c99'
2470         _cflags_speed='-O5'
2471         _cflags_size='-O5 -xspace'
2472         _flags_filter=suncc_flags
2473     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
2474         _type=pathscale
2475         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2476         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2477         _cflags_speed='-O2'
2478         _cflags_size='-Os'
2479         _flags_filter='filter_out -Wdisabled-optimization'
2480     elif $_cc -v 2>&1 | grep -q Open64; then
2481         _type=open64
2482         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
2483         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
2484         _cflags_speed='-O2'
2485         _cflags_size='-Os'
2486         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
2487     elif $_cc -V 2>&1 | grep -q Portland; then
2488         _type=pgi
2489         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
2490         opt_common='-alias=ansi -Mlre -Mpre'
2491         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
2492         _cflags_size="-O2 -Munroll=c:1 $opt_common"
2493         _cflags_noopt="-O1"
2494         _flags_filter=pgi_flags
2495     fi
2496
2497     eval ${pfx}_type=\$_type
2498     eval ${pfx}_ident=\$_ident
2499 }
2500
2501 set_ccvars(){
2502     eval ${1}_C=\${_cc_c-\${${1}_C}}
2503     eval ${1}_E=\${_cc_e-\${${1}_E}}
2504     eval ${1}_O=\${_cc_o-\${${1}_O}}
2505
2506     if [ -n "$_depflags" ]; then
2507         eval ${1}_DEPFLAGS=\$_depflags
2508     else
2509         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
2510         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
2511         eval DEP${1}FLAGS=\$_flags
2512     fi
2513 }
2514
2515 probe_cc cc "$cc"
2516 cflags_filter=$_flags_filter
2517 cflags_speed=$_cflags_speed
2518 cflags_size=$_cflags_size
2519 cflags_noopt=$_cflags_noopt
2520 add_cflags $_flags $_cflags
2521 cc_ldflags=$_ldflags
2522 set_ccvars CC
2523
2524 probe_cc hostcc "$host_cc"
2525 host_cflags_filter=$_flags_filter
2526 host_ldflags_filter=$_flags_filter
2527 add_host_cflags  $_flags $_cflags
2528 add_host_ldflags $_flags $_ldflags
2529 set_ccvars HOSTCC
2530
2531 test -n "$cc_type" && enable $cc_type ||
2532     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
2533
2534 : ${as_default:=$cc}
2535 : ${dep_cc_default:=$cc}
2536 : ${ld_default:=$cc}
2537 set_default ar as dep_cc ld
2538
2539 probe_cc as "$as"
2540 asflags_filter=$_flags_filter
2541 add_asflags $_flags $_cflags
2542 set_ccvars AS
2543
2544 probe_cc ld "$ld"
2545 ldflags_filter=$_flags_filter
2546 add_ldflags $_flags $_ldflags
2547 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
2548 LD_O=${_cc_o-$LD_O}
2549
2550 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
2551     probe_cc depcc "$dep_cc"
2552     CCDEP=${_DEPCMD:-$DEPCMD}
2553     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
2554     DEPCCFLAGS=$_flags
2555 fi
2556
2557 add_cflags $extra_cflags
2558 add_cxxflags $extra_cxxflags
2559 add_asflags $extra_cflags
2560
2561 if test -n "$sysroot"; then
2562     case "$cc_type" in
2563         gcc|llvm_gcc|clang)
2564             add_cppflags --sysroot="$sysroot"
2565             add_ldflags --sysroot="$sysroot"
2566         ;;
2567         tms470)
2568             add_cppflags -I"$sysinclude"
2569             add_ldflags  --sysroot="$sysroot"
2570         ;;
2571     esac
2572 fi
2573
2574 if test "$cpu" = host; then
2575     enabled cross_compile && die "--cpu=host makes no sense when cross-compiling."
2576
2577     case "$cc_type" in
2578         gcc|llvm_gcc)
2579             check_native(){
2580                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
2581                 sed -n "/cc1.*$1=/{
2582                             s/.*$1=\\([^ ]*\\).*/\\1/
2583                             p
2584                             q
2585                         }" $TMPE
2586             }
2587             cpu=$(check_native -march || check_native -mcpu)
2588         ;;
2589     esac
2590
2591     test "${cpu:-host}" = host && die "--cpu=host not supported with compiler $cc"
2592 fi
2593
2594 # Deal with common $arch aliases
2595 case "$arch" in
2596     arm*|iPad*)
2597         arch="arm"
2598     ;;
2599     mips|mipsel|IP*)
2600         arch="mips"
2601     ;;
2602     mips64*)
2603         arch="mips"
2604         subarch="mips64"
2605     ;;
2606     parisc|hppa)
2607         arch="parisc"
2608     ;;
2609     parisc64|hppa64)
2610         arch="parisc"
2611         subarch="parisc64"
2612     ;;
2613     "Power Macintosh"|ppc|powerpc|ppc64|powerpc64)
2614         arch="ppc"
2615     ;;
2616     s390|s390x)
2617         arch="s390"
2618     ;;
2619     sh4|sh)
2620         arch="sh4"
2621     ;;
2622     sun4u|sparc64)
2623         arch="sparc"
2624         subarch="sparc64"
2625     ;;
2626     i[3-6]86|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
2627         arch="x86"
2628     ;;
2629 esac
2630
2631 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
2632 enable $arch
2633
2634 # Add processor-specific flags
2635 if test "$cpu" = generic; then
2636     : do nothing
2637 elif enabled ppc; then
2638
2639     case $(tolower $cpu) in
2640         601|ppc601|powerpc601)
2641             cpuflags="-mcpu=601"
2642             disable altivec
2643         ;;
2644         603*|ppc603*|powerpc603*)
2645             cpuflags="-mcpu=603"
2646             disable altivec
2647         ;;
2648         604*|ppc604*|powerpc604*)
2649             cpuflags="-mcpu=604"
2650             disable altivec
2651         ;;
2652         g3|75*|ppc75*|powerpc75*)
2653             cpuflags="-mcpu=750 -mpowerpc-gfxopt"
2654             disable altivec
2655         ;;
2656         g4|745*|ppc745*|powerpc745*)
2657             cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
2658         ;;
2659         74*|ppc74*|powerpc74*)
2660             cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
2661         ;;
2662         g5|970|ppc970|powerpc970)
2663             cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
2664         ;;
2665         power[3-7]*)
2666             cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
2667         ;;
2668         cell)
2669             cpuflags="-mcpu=cell"
2670             enable ldbrx
2671         ;;
2672         e500mc)
2673             cpuflags="-mcpu=e500mc"
2674             disable altivec
2675         ;;
2676         e500v2)
2677             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
2678             disable altivec
2679         ;;
2680         e500)
2681             cpuflags="-mcpu=8540 -mhard-float"
2682             disable altivec
2683         ;;
2684     esac
2685
2686 elif enabled x86; then
2687
2688     case $cpu in
2689         i[345]86|pentium)
2690             cpuflags="-march=$cpu"
2691             disable mmx
2692         ;;
2693         # targets that do NOT support conditional mov (cmov)
2694         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
2695             cpuflags="-march=$cpu"
2696             disable cmov
2697         ;;
2698         # targets that do support conditional mov (cmov)
2699         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
2700             cpuflags="-march=$cpu"
2701             enable cmov
2702             enable fast_cmov
2703         ;;
2704         # targets that do support conditional mov but on which it's slow
2705         pentium4|pentium4m|prescott|nocona)
2706             cpuflags="-march=$cpu"
2707             enable cmov
2708             disable fast_cmov
2709         ;;
2710     esac
2711
2712 elif enabled sparc; then
2713
2714     case $cpu in
2715         niagara)
2716             cpuflags="-mcpu=$cpu"
2717             disable vis
2718         ;;
2719         sparc64)
2720             cpuflags="-mcpu=v9"
2721         ;;
2722     esac
2723
2724 elif enabled arm; then
2725
2726     case $cpu in
2727         armv*)
2728             cpuflags="-march=$cpu"
2729             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
2730         ;;
2731         *)
2732             cpuflags="-mcpu=$cpu"
2733             case $cpu in
2734                 cortex-a*)                               subarch=armv7a  ;;
2735                 cortex-r*)                               subarch=armv7r  ;;
2736                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
2737                 arm11*)                                  subarch=armv6   ;;
2738                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
2739                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
2740             esac
2741         ;;
2742     esac
2743
2744 elif enabled alpha; then
2745
2746     enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
2747
2748 elif enabled bfin; then
2749
2750     cpuflags="-mcpu=$cpu"
2751
2752 elif enabled mips; then
2753
2754     cpuflags="-march=$cpu"
2755
2756     case $cpu in
2757         24kc)
2758             disable mipsfpu
2759             disable mipsdspr1
2760             disable mipsdspr2
2761         ;;
2762         24kf*)
2763             disable mipsdspr1
2764             disable mipsdspr2
2765         ;;
2766         24kec|34kc|1004kc)
2767             disable mipsfpu
2768             disable mipsdspr2
2769         ;;
2770         24kef*|34kf*|1004kf*)
2771             disable mipsdspr2
2772         ;;
2773         74kc)
2774             disable mipsfpu
2775         ;;
2776     esac
2777
2778 elif enabled avr32; then
2779
2780     case $cpu in
2781         ap7[02]0[0-2])
2782             subarch="avr32_ap"
2783             cpuflags="-mpart=$cpu"
2784         ;;
2785         ap)
2786             subarch="avr32_ap"
2787             cpuflags="-march=$cpu"
2788         ;;
2789         uc3[ab]*)
2790             subarch="avr32_uc"
2791             cpuflags="-mcpu=$cpu"
2792         ;;
2793         uc)
2794             subarch="avr32_uc"
2795             cpuflags="-march=$cpu"
2796         ;;
2797     esac
2798
2799 fi
2800
2801 add_cflags $cpuflags
2802 add_asflags $cpuflags
2803
2804 # compiler sanity check
2805 check_exec <<EOF
2806 int main(void){ return 0; }
2807 EOF
2808 if test "$?" != 0; then
2809     echo "$cc is unable to create an executable file."
2810     if test -z "$cross_prefix" && ! enabled cross_compile ; then
2811         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
2812         echo "Only do this if you know what cross compiling means."
2813     fi
2814     die "C compiler test failed."
2815 fi
2816
2817 add_cppflags -D_ISOC99_SOURCE
2818 add_cxxflags -D__STDC_CONSTANT_MACROS
2819 check_cflags -std=c99
2820 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
2821 #include <stdlib.h>
2822 EOF
2823 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
2824 #include <stdlib.h>
2825 EOF
2826
2827 check_host_cflags -std=c99
2828 check_host_cflags -Wall
2829
2830 case "$arch" in
2831     alpha|ia64|mips|parisc|sparc)
2832         spic=$shared
2833     ;;
2834     x86)
2835         subarch="x86_32"
2836         check_code cc "" "int test[(int)sizeof(char*) - 7]" && subarch="x86_64"
2837         if test "$subarch" = "x86_64"; then
2838             spic=$shared
2839         fi
2840     ;;
2841     ppc)
2842         check_cc <<EOF && subarch="ppc64"
2843         int test[(int)sizeof(char*) - 7];
2844 EOF
2845     ;;
2846 esac
2847
2848 enable $subarch
2849 enabled spic && enable pic
2850
2851 # OS specific
2852 case $target_os in
2853     haiku)
2854         prefix_default="/boot/common"
2855         network_extralibs="-lnetwork"
2856         host_libs=
2857         ;;
2858     sunos)
2859         FFSERVERLDFLAGS=""
2860         SHFLAGS='-shared -Wl,-h,$$(@F)'
2861         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
2862         network_extralibs="-lsocket -lnsl"
2863         add_cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
2864         # When using suncc to build, the Solaris linker will mark
2865         # an executable with each instruction set encountered by
2866         # the Solaris assembler.  As our libraries contain their own
2867         # guards for processor-specific code, instead suppress
2868         # generation of the HWCAPS ELF section on Solaris x86 only.
2869         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
2870         nm_opts='-P -g'
2871         ;;
2872     netbsd)
2873         disable symver
2874         oss_indev_extralibs="-lossaudio"
2875         oss_outdev_extralibs="-lossaudio"
2876         ;;
2877     openbsd|bitrig)
2878         # On OpenBSD 4.5. the compiler does not use PIC unless
2879         # explicitly using -fPIC. FFmpeg builds fine without PIC,
2880         # however the generated executable will not do anything
2881         # (simply quits with exit-code 1, no crash, no output).
2882         # Thus explicitly enable PIC here.
2883         enable pic
2884         disable symver
2885         SHFLAGS='-shared'
2886         SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBVERSION)'
2887         oss_indev_extralibs="-lossaudio"
2888         oss_outdev_extralibs="-lossaudio"
2889         ;;
2890     dragonfly)
2891         disable symver
2892         ;;
2893     freebsd)
2894         ;;
2895     bsd/os)
2896         add_extralibs -lpoll -lgnugetopt
2897         strip="strip -d"
2898         ;;
2899     darwin)
2900         gas="gas-preprocessor.pl $cc"
2901         enabled ppc && add_asflags -force_cpusubtype_ALL
2902         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(SHLIBDIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
2903         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
2904         strip="${strip} -x"
2905         add_ldflags -Wl,-dynamic,-search_paths_first
2906         SLIBSUF=".dylib"
2907         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
2908         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
2909         FFSERVERLDFLAGS=-Wl,-bind_at_load
2910         objformat="macho"
2911         enabled x86_64 && objformat="macho64"
2912         enabled_any pic shared ||
2913             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
2914         ;;
2915     mingw32*)
2916         if test $target_os = "mingw32ce"; then
2917             disable network
2918         else
2919             target_os=mingw32
2920         fi
2921         LIBTARGET=i386
2922         if enabled x86_64; then
2923             LIBTARGET="i386:x86-64"
2924         elif enabled arm; then
2925             LIBTARGET=arm-wince
2926         fi
2927         shlibdir_default="$bindir_default"
2928         SLIBPREF=""
2929         SLIBSUF=".dll"
2930         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2931         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2932         dlltool="${cross_prefix}dlltool"
2933         if check_cmd lib.exe -list; then
2934             SLIB_EXTRA_CMD='-lib.exe /machine:$(LIBTARGET) /def:$$(@:$(SLIBSUF)=.def) /out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'
2935             if enabled x86_64; then
2936                 LIBTARGET=x64
2937             fi
2938         elif check_cmd $dlltool --version; then
2939             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'
2940         fi
2941         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2942         SLIB_INSTALL_LINKS=
2943         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'
2944         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
2945         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
2946         objformat="win32"
2947         enable dos_paths
2948         check_cflags -fno-common
2949         check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
2950                                       || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
2951                 die "ERROR: MinGW runtime version must be >= 3.15."
2952         add_cppflags -U__STRICT_ANSI__
2953         ;;
2954     cygwin*)
2955         target_os=cygwin
2956         shlibdir_default="$bindir_default"
2957         SLIBPREF="cyg"
2958         SLIBSUF=".dll"
2959         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'
2960         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'
2961         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'
2962         SLIB_INSTALL_LINKS=
2963         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'
2964         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
2965         objformat="win32"
2966         enable dos_paths
2967         check_cflags -fno-common
2968         add_cppflags -U__STRICT_ANSI__
2969         ;;
2970     *-dos|freedos|opendos)
2971         network_extralibs="-lsocket"
2972         objformat="coff"
2973         enable dos_paths
2974         add_cppflags -U__STRICT_ANSI__
2975         ;;
2976     linux)
2977         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
2978         enable dv1394
2979         ;;
2980     irix*)
2981         target_os=irix
2982         ranlib="echo ignoring ranlib"
2983         ;;
2984     os/2*)
2985         strip="lxlite -CS"
2986         ln_s="cp -f"
2987         objformat="aout"
2988         add_cppflags -D_GNU_SOURCE
2989         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zmap
2990         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'
2991         FFSERVERLDFLAGS=""
2992         LIBSUF="_s.a"
2993         SLIBPREF=""
2994         SLIBSUF=".dll"
2995         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
2996         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
2997         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
2998           echo PROTMODE >> $(SUBDIR)$(NAME).def; \
2999           echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
3000           echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
3001           echo EXPORTS >> $(SUBDIR)$(NAME).def; \
3002           emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
3003         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
3004           emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
3005         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
3006         enable dos_paths
3007         enable_weak os2threads
3008         ;;
3009     gnu/kfreebsd)
3010         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
3011         ;;
3012     gnu)
3013         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
3014         ;;
3015     qnx)
3016         add_cppflags -D_QNX_SOURCE
3017         network_extralibs="-lsocket"
3018         ;;
3019     symbian)
3020         SLIBSUF=".dll"
3021         enable dos_paths
3022         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default
3023         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS
3024         add_ldflags -Wl,--target1-abs,--no-undefined \
3025                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \
3026                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup
3027         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \
3028                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \
3029                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib
3030         ;;
3031     none)
3032         ;;
3033     *)
3034         die "Unknown OS '$target_os'."
3035         ;;
3036 esac
3037
3038 esc(){
3039     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
3040 }
3041
3042 echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" >config.fate
3043
3044 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
3045
3046 set_default $PATHS_LIST
3047
3048 # we need to build at least one lib type
3049 if ! enabled_any static shared; then
3050     cat <<EOF
3051 At least one library type must be built.
3052 Specify --enable-static to build the static libraries or --enable-shared to
3053 build the shared libraries as well. To only build the shared libraries specify
3054 --disable-static in addition to --enable-shared.
3055 EOF
3056     exit 1;
3057 fi
3058
3059 die_license_disabled() {
3060     enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
3061 }
3062
3063 die_license_disabled_gpl() {
3064     enabled $1 || { enabled $2 && die "$2 is incompatible with the gpl and --enable-$1 is not specified."; }
3065 }
3066
3067 die_license_disabled gpl libcdio
3068 die_license_disabled gpl libutvideo
3069 die_license_disabled gpl libx264
3070 die_license_disabled gpl libxavs
3071 die_license_disabled gpl libxvid
3072 die_license_disabled gpl x11grab
3073
3074 die_license_disabled nonfree libaacplus
3075 die_license_disabled nonfree libfaac
3076 enabled gpl && die_license_disabled_gpl nonfree libfdk_aac
3077 enabled gpl && die_license_disabled_gpl nonfree openssl
3078
3079 die_license_disabled version3 libopencore_amrnb
3080 die_license_disabled version3 libopencore_amrwb
3081 die_license_disabled version3 libvo_aacenc
3082 die_license_disabled version3 libvo_amrwbenc
3083
3084 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3085
3086 disabled optimizations || check_cflags -fomit-frame-pointer
3087
3088 enable_pic() {
3089     enable pic
3090     add_cppflags -DPIC
3091     add_cflags   -fPIC
3092     add_asflags  -fPIC
3093 }
3094
3095 enabled pic && enable_pic
3096
3097 check_cc <<EOF || die "Symbol mangling check failed."
3098 int ff_extern;
3099 EOF
3100 sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
3101 extern_prefix=${sym%%ff_extern*}
3102
3103 check_cc <<EOF && enable inline_asm
3104 void foo(void) { __asm__ volatile ("" ::); }
3105 EOF
3106
3107 _restrict=
3108 for restrict_keyword in restrict __restrict__ __restrict; do
3109     check_cc <<EOF && _restrict=$restrict_keyword && break
3110 void foo(char * $restrict_keyword p);
3111 EOF
3112 done
3113
3114 check_cc <<EOF && enable attribute_packed
3115 struct { int x; } __attribute__((packed)) x;
3116 EOF
3117
3118 check_cc <<EOF && enable attribute_may_alias
3119 union { int x; } __attribute__((may_alias)) x;
3120 EOF
3121
3122 check_cc <<EOF || die "endian test failed"
3123 unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';
3124 EOF
3125 od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian
3126
3127 if enabled alpha; then
3128
3129     check_cflags -mieee
3130
3131 elif enabled arm; then
3132
3133     enabled thumb && check_cflags -mthumb || check_cflags -marm
3134     nogas=die
3135
3136     if     check_cpp_condition stddef.h "defined __ARM_PCS_VFP"; then
3137         enable vfp_args
3138     elif ! check_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__"; then
3139         case "${cross_prefix:-$cc}" in
3140             *hardfloat*)         enable vfp_args;   fpabi=vfp ;;
3141             *) check_ld "cc" <<EOF && enable vfp_args && fpabi=vfp || fpabi=soft ;;
3142 __asm__ (".eabi_attribute 28, 1");
3143 int main(void) { return 0; }
3144 EOF
3145         esac
3146         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."
3147     fi
3148
3149     enabled armv5te && check_inline_asm armv5te '"qadd r0, r0, r0"'
3150     enabled armv6   && check_inline_asm armv6   '"sadd16 r0, r0, r0"'
3151     enabled armv6t2 && check_inline_asm armv6t2 '"movt r0, #0"'
3152     enabled armvfp  && check_inline_asm armvfp  '"fadds s0, s0, s0"'
3153     enabled neon    && check_inline_asm neon    '"vadd.i16 q0, q0, q0"'
3154     enabled vfpv3   && check_inline_asm vfpv3   '"vmov.f32 s0, #1.0"'
3155
3156     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'
3157     check_inline_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)'
3158
3159     enabled_all armv6t2 shared !pic && enable_pic
3160
3161 elif enabled mips; then
3162
3163     check_inline_asm loongson '"dmult.g $1, $2, $3"'
3164     enabled mmi && check_inline_asm mmi '"lq $2, 0($2)"'
3165     enabled mips32r2  && add_cflags "-mips32r2" &&
3166      check_inline_asm mips32r2  '"rotr $t0, $t1, 1"'
3167     enabled mipsdspr1 && add_cflags "-mdsp" && add_asflags "-mdsp" &&
3168      check_inline_asm mipsdspr1 '"addu.qb $t0, $t1, $t2"'
3169     enabled mipsdspr2 && add_cflags "-mdspr2" && add_asflags "-mdspr2" &&
3170      check_inline_asm mipsdspr2 '"absq_s.qb $t0, $t1"'
3171     enabled mipsfpu   && add_cflags "-mhard-float" &&
3172      check_inline_asm mipsfpu   '"madd.d $f0, $f2, $f4, $f6"'
3173
3174 elif enabled ppc; then
3175
3176     enable local_aligned_8 local_aligned_16
3177
3178     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'
3179     check_inline_asm ibm_asm   '"add 0, 0, 0"'
3180     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'
3181     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'
3182
3183     # AltiVec flags: The FSF version of GCC differs from the Apple version
3184     if enabled altivec; then
3185         nogas=warn
3186         check_cflags -maltivec -mabi=altivec &&
3187         { check_header altivec.h && inc_altivec_h="#include <altivec.h>" ; } ||
3188         check_cflags -faltivec
3189
3190         # check if our compiler supports Motorola AltiVec C API
3191         check_cc <<EOF || disable altivec
3192 $inc_altivec_h
3193 int main(void) {
3194     vector signed int v1, v2, v3;
3195     v1 = vec_add(v2,v3);
3196     return 0;
3197 }
3198 EOF
3199
3200         # check if our compiler supports braces for vector declarations
3201         check_cc <<EOF || die "You need a compiler that supports {} in AltiVec vector declarations."
3202 $inc_altivec_h
3203 int main (void) { (vector int) {1}; return 0; }
3204 EOF
3205     fi
3206
3207 elif enabled sparc; then
3208
3209     enabled vis &&
3210         check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
3211         add_cflags -mcpu=ultrasparc -mtune=ultrasparc
3212
3213 elif enabled x86; then
3214
3215     check_code ld immintrin.h "__xgetbv(0)" "cc" && enable xgetbv
3216     check_code ld intrin.h "int info[4]; __cpuid(info, 0)" "cc" && enable cpuid
3217     check_code ld intrin.h "__rdtsc()" "cc" && enable rdtsc
3218     check_code ld intrin.h "unsigned int x = __readeflags()" "cc" && enable rweflags
3219
3220     check_code ld mmintrin.h "_mm_empty()" "cc" && enable mm_empty
3221
3222     enable local_aligned_8 local_aligned_16
3223
3224     # check whether EBP is available on x86
3225     # As 'i' is stored on the stack, this program will crash
3226     # if the base pointer is used to access it because the
3227     # base pointer is cleared in the inline assembly code.
3228     check_exec_crash <<EOF && enable ebp_available
3229     volatile int i=0;
3230     __asm__ volatile (
3231         "xorl %%ebp, %%ebp"
3232     ::: "%ebp");
3233     return i;
3234 EOF
3235
3236     # check whether EBX is available on x86
3237     check_inline_asm ebx_available '""::"b"(0)' &&
3238         check_inline_asm ebx_available '"":::"%ebx"'
3239
3240     # check whether xmm clobbers are supported
3241     check_inline_asm xmm_clobbers '"":::"%xmm0"'
3242
3243     # check whether binutils is new enough to compile SSSE3/MMXEXT
3244     enabled ssse3  && check_inline_asm ssse3  '"pabsw %xmm0, %xmm0"'
3245     enabled mmxext && check_inline_asm mmxext '"pmaxub %mm0, %mm1"'
3246
3247     if ! disabled_any asm mmx yasm; then
3248         if check_cmd $yasmexe --version; then
3249             enabled x86_64 && yasm_extra="-m amd64"
3250             yasm_debug="-g dwarf2"
3251         elif check_cmd nasm -v; then
3252             yasmexe=nasm
3253             yasm_debug="-g -F dwarf"
3254             enabled x86_64 && test "$objformat" = elf && objformat=elf64
3255         fi
3256
3257         YASMFLAGS="-f $objformat $yasm_extra"
3258         enabled pic               && append YASMFLAGS "-DPIC"
3259         test -n "$extern_prefix"  && append YASMFLAGS "-DPREFIX"
3260         case "$objformat" in
3261             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
3262         esac
3263
3264         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
3265             die "yasm not found, use --disable-yasm for a crippled build"
3266         check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
3267         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4
3268         check_yasm "CPU amdnop" && enable cpunop
3269     fi
3270
3271     case "$cpu" in
3272         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)
3273             disable fast_clz
3274         ;;
3275     esac
3276
3277 fi
3278
3279 if enabled asm; then
3280     as=${gas:=$as}
3281     check_inline_asm gnu_as '".macro m n\n\\n:.int 0\n.endm\nm x"' ||
3282         $nogas "GNU assembler not found, install gas-preprocessor"
3283 fi
3284
3285 check_ldflags -Wl,--as-needed
3286
3287 if check_func dlopen; then
3288     ldl=
3289 elif check_func dlopen -ldl; then
3290     ldl=-ldl
3291 fi
3292
3293 if enabled network; then
3294     check_type "sys/types.h sys/socket.h" socklen_t
3295     check_type netdb.h "struct addrinfo"
3296     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE
3297     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE
3298     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE
3299     check_type netinet/in.h "struct sockaddr_in6"
3300     check_type poll.h "struct pollfd"
3301     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"
3302     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len
3303     check_type netinet/sctp.h "struct sctp_event_subscribe"
3304     check_func getaddrinfo $network_extralibs
3305     # Prefer arpa/inet.h over winsock2
3306     if check_header arpa/inet.h ; then
3307         check_func closesocket
3308     elif check_header winsock2.h ; then
3309         check_func_headers winsock2.h closesocket -lws2 &&
3310             network_extralibs="-lws2" ||
3311         { check_func_headers winsock2.h closesocket -lws2_32 &&
3312             network_extralibs="-lws2_32"; }
3313         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs
3314         check_type ws2tcpip.h socklen_t
3315         check_type ws2tcpip.h "struct addrinfo"
3316         check_type ws2tcpip.h "struct group_source_req"
3317         check_type ws2tcpip.h "struct ip_mreq_source"
3318         check_type ws2tcpip.h "struct ipv6_mreq"
3319         check_type winsock2.h "struct pollfd"
3320         check_type ws2tcpip.h "struct sockaddr_in6"
3321         check_type ws2tcpip.h "struct sockaddr_storage"
3322         check_struct winsock2.h "struct sockaddr" sa_len
3323     else
3324         disable network
3325     fi
3326 fi
3327
3328 # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that
3329 check_func nanosleep || { check_func nanosleep -lrt && add_extralibs -lrt; }
3330
3331 check_func  clock_gettime || { check_func clock_gettime -lrt && add_extralibs -lrt; }
3332 check_func  fcntl
3333 check_func  fork
3334 check_func  gethrtime
3335 check_func  getopt
3336 check_func  getrusage
3337 check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
3338 check_func  gettimeofday
3339 check_func  inet_aton $network_extralibs
3340 check_func  isatty
3341 check_func  localtime_r
3342 check_func  ${malloc_prefix}memalign            && enable memalign
3343 check_func  mkstemp
3344 check_func  mmap
3345 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
3346 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
3347 check_func  setrlimit
3348 check_func  strerror_r
3349 check_func  strptime
3350 check_func  sched_getaffinity
3351 check_func  sysconf
3352 check_func  sysctl
3353 check_func  usleep
3354 check_func_headers conio.h kbhit
3355 check_func_headers windows.h PeekNamedPipe
3356 check_func_headers io.h setmode
3357 check_func_headers lzo/lzo1x.h lzo1x_999_compress
3358 check_lib2 "windows.h shellapi.h" CommandLineToArgvW -lshell32
3359 check_lib2 "windows.h psapi.h" GetProcessMemoryInfo -lpsapi
3360 check_func_headers windows.h GetProcessAffinityMask
3361 check_func_headers windows.h GetProcessTimes
3362 check_func_headers windows.h GetSystemTimeAsFileTime
3363 check_func_headers windows.h MapViewOfFile
3364 check_func_headers windows.h Sleep
3365 check_func_headers windows.h VirtualAlloc
3366 check_func_headers glob.h glob
3367
3368 check_header dlfcn.h
3369 check_header dxva.h
3370 check_header dxva2api.h -D_WIN32_WINNT=0x0600
3371 check_header libcrystalhd/libcrystalhd_if.h
3372 check_header malloc.h
3373 check_header poll.h
3374 check_header sys/mman.h
3375 check_header sys/param.h
3376 check_header sys/resource.h
3377 check_header sys/select.h
3378 check_header sys/time.h
3379 check_header termios.h
3380 check_header unistd.h
3381 check_header vdpau/vdpau.h
3382 check_header vdpau/vdpau_x11.h
3383 check_header windows.h
3384 check_header X11/extensions/XvMClib.h
3385 check_header asm/types.h
3386
3387 disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
3388 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
3389
3390 # check for VDA header
3391 if ! disabled vda; then
3392     if check_header VideoDecodeAcceleration/VDADecoder.h; then
3393         enable vda
3394         add_extralibs -framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore
3395     fi
3396 fi
3397
3398 if ! disabled w32threads && ! enabled pthreads; then
3399     check_func _beginthreadex && enable w32threads
3400 fi
3401
3402 # check for some common methods of building with pthread support
3403 # do this before the optional library checks as some of them require pthreads
3404 if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then
3405     enable pthreads
3406     if check_func pthread_create; then
3407         :
3408     elif check_func pthread_create -pthread; then
3409         add_cflags -pthread
3410         add_extralibs -pthread
3411     elif check_func pthread_create -pthreads; then
3412         add_cflags -pthreads
3413         add_extralibs -pthreads
3414     elif check_func pthread_create -lpthreadGC2; then
3415         add_extralibs -lpthreadGC2
3416     elif ! check_lib pthread.h pthread_create -lpthread; then
3417         disable pthreads
3418     fi
3419 fi
3420
3421 for thread in $THREADS_LIST; do
3422     if enabled $thread; then
3423         test -n "$thread_type" &&
3424             die "ERROR: Only one thread type must be selected." ||
3425             thread_type="$thread"
3426     fi
3427 done
3428
3429 if enabled pthreads; then
3430   check_func pthread_cancel
3431 fi
3432
3433 check_lib math.h sin -lm && LIBM="-lm"
3434 disabled crystalhd || check_lib libcrystalhd/libcrystalhd_if.h DtsCrystalHDVersion -lcrystalhd || disable crystalhd
3435 enabled vaapi && require vaapi va/va.h vaInitialize -lva
3436
3437 check_mathfunc cbrtf
3438 check_mathfunc exp2
3439 check_mathfunc exp2f
3440 check_mathfunc isinf
3441 check_mathfunc isnan
3442 check_mathfunc llrint
3443 check_mathfunc llrintf
3444 check_mathfunc log2
3445 check_mathfunc log2f
3446 check_mathfunc lrint
3447 check_mathfunc lrintf
3448 check_mathfunc rint
3449 check_mathfunc round
3450 check_mathfunc roundf
3451 check_mathfunc trunc
3452 check_mathfunc truncf
3453
3454 # these are off by default, so fail if requested and not available
3455 enabled avisynth   && require2 vfw32 "windows.h vfw.h" AVIFileInit -lavifil32
3456 enabled fontconfig && require_pkg_config fontconfig "fontconfig/fontconfig.h" FcInit
3457 enabled frei0r     && { check_header frei0r.h || die "ERROR: frei0r.h header not found"; }
3458 enabled gnutls     && require_pkg_config gnutls gnutls/gnutls.h gnutls_global_init
3459 enabled libiec61883 && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883
3460 enabled libaacplus && require  "libaacplus >= 2.0.0" aacplus.h aacplusEncOpen -laacplus
3461 enabled libass     && require_pkg_config libass ass/ass.h ass_library_init
3462 enabled libbluray  && require libbluray libbluray/bluray.h bd_open -lbluray
3463 enabled libcelt    && require libcelt celt/celt.h celt_decode -lcelt0 &&
3464                       { check_lib celt/celt.h celt_decoder_create_custom -lcelt0 ||
3465                         die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }
3466 enabled libcaca    && require_pkg_config caca caca.h caca_create_canvas
3467 enabled libfaac    && require2 libfaac "stdint.h faac.h" faacEncGetVersion -lfaac
3468 enabled libfdk_aac && require  libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac
3469 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"
3470 enabled libflite   && require2 libflite "flite/flite.h" flite_init $flite_libs
3471 enabled libfreetype && require_pkg_config freetype2 "ft2build.h freetype/freetype.h" FT_Init_FreeType
3472 enabled libgsm     && require  libgsm gsm/gsm.h gsm_create -lgsm
3473 enabled libilbc    && require  libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
3474 enabled libmodplug && require  libmodplug libmodplug/modplug.h ModPlug_Load -lmodplug
3475 enabled libmp3lame && require  "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
3476 enabled libnut     && require  libnut libnut.h nut_demuxer_init -lnut
3477 enabled libopencore_amrnb  && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
3478 enabled libopencore_amrwb  && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
3479 enabled libopencv  && require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader
3480 enabled libopenjpeg && require libopenjpeg openjpeg.h opj_version -lopenjpeg
3481 enabled libopus    && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
3482 enabled libpulse && require_pkg_config libpulse-simple pulse/simple.h pa_simple_new
3483 enabled librtmp    && require_pkg_config librtmp librtmp/rtmp.h RTMP_Socket
3484 enabled libschroedinger && require_pkg_config schroedinger-1.0 schroedinger/schro.h schro_init
3485 enabled libspeex   && require  libspeex speex/speex.h speex_decoder_init -lspeex
3486 enabled libstagefright_h264  && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
3487     media/stagefright/MediaBufferGroup.h media/stagefright/MediaDebug.h media/stagefright/MediaDefs.h
3488     media/stagefright/OMXClient.h media/stagefright/OMXCodec.h" android::OMXClient -lstagefright -lmedia -lutils -lbinder -lgnustl_static
3489 enabled libtheora  && require  libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg
3490 enabled libtwolame && require  libtwolame twolame.h twolame_init -ltwolame &&
3491                       { check_lib twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||
3492                         die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
3493 enabled libutvideo    && require_cpp utvideo "stdint.h stdlib.h utvideo/utvideo.h utvideo/Codec.h" 'CCodec*' -lutvideo -lstdc++
3494 enabled libv4l2    && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
3495 enabled libvo_aacenc && require libvo_aacenc vo-aacenc/voAAC.h voGetAACEncAPI -lvo-aacenc
3496 enabled libvo_amrwbenc && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
3497 enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lvorbisenc -lvorbis -logg
3498 enabled libvpx     && {
3499     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
3500                                 die "ERROR: libvpx decoder must be installed and version must be >=0.9.1"; }
3501     enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VP8E_SET_MAX_INTRA_BITRATE_PCT" -lvpx ||
3502                                 die "ERROR: libvpx encoder version must be >=0.9.7"; } }
3503 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
3504                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
3505                         die "ERROR: libx264 must be installed and version must be >= 0.118."; }
3506 enabled libxavs    && require  libxavs xavs.h xavs_encoder_encode -lxavs
3507 enabled libxvid    && require  libxvid xvid.h xvid_global -lxvidcore
3508 enabled openal     && { { for al_libs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do
3509                         check_lib 'AL/al.h' alGetError "${al_libs}" && break; done } ||
3510                         die "ERROR: openal not found"; } &&
3511                       { check_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||
3512                         die "ERROR: openal must be installed and version must be 1.1 or compatible"; }
3513 enabled openssl    && { check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
3514                         check_lib openssl/ssl.h SSL_library_init -lssl32 -leay32 ||
3515                         check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||
3516                         die "ERROR: openssl not found"; }
3517
3518 if enabled gnutls; then
3519     { check_lib nettle/bignum.h nettle_mpz_get_str_256 -lnettle -lhogweed -lgmp && enable nettle; } ||
3520     { check_lib gcrypt.h gcry_mpi_new -lgcrypt && enable gcrypt; }
3521 fi
3522
3523 # libdc1394 check
3524 if enabled libdc1394; then
3525     { check_lib dc1394/dc1394.h dc1394_new -ldc1394 -lraw1394 &&
3526         enable libdc1394_2; } ||
3527     { check_lib libdc1394/dc1394_control.h dc1394_create_handle -ldc1394_control -lraw1394 &&
3528         enable libdc1394_1; } ||
3529     die "ERROR: No version of libdc1394 found "
3530 fi
3531
3532 SDL_CONFIG="${cross_prefix}sdl-config"
3533 if check_pkg_config sdl SDL_events.h SDL_PollEvent; then
3534     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3535     enable sdl &&
3536     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3537 else
3538   if "${SDL_CONFIG}" --version > /dev/null 2>&1; then
3539     sdl_cflags=$("${SDL_CONFIG}" --cflags)
3540     sdl_libs=$("${SDL_CONFIG}" --libs)
3541     check_func_headers SDL_version.h SDL_Linked_Version $sdl_cflags $sdl_libs &&
3542     check_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x010201" $sdl_cflags &&
3543     enable sdl &&
3544     check_struct SDL.h SDL_VideoInfo current_w $sdl_cflags && enable sdl_video_size
3545   fi
3546 fi
3547 enabled sdl && add_cflags $sdl_cflags && add_extralibs $sdl_libs
3548
3549 texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html
3550 makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo
3551 perl --version > /dev/null 2>&1 && enable perl || disable perl
3552 pod2man --help > /dev/null 2>&1 && enable pod2man || disable pod2man
3553
3554 check_header linux/fb.h
3555 check_header linux/videodev.h
3556 check_header linux/videodev2.h
3557 check_struct linux/videodev2.h "struct v4l2_frmivalenum" discrete
3558
3559 check_header sys/videoio.h
3560
3561 check_func_headers "windows.h vfw.h" capCreateCaptureWindow "$vfwcap_indev_extralibs"
3562 # check that WM_CAP_DRIVER_CONNECT is defined to the proper value
3563 # w32api 3.12 had it defined wrong
3564 check_cpp_condition vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER" && enable vfwcap_defines
3565
3566 check_type "dshow.h" IBaseFilter
3567
3568 # check for ioctl_meteor.h, ioctl_bt848.h and alternatives
3569 { check_header dev/bktr/ioctl_meteor.h &&
3570   check_header dev/bktr/ioctl_bt848.h; } ||
3571 { check_header machine/ioctl_meteor.h &&
3572   check_header machine/ioctl_bt848.h; } ||
3573 { check_header dev/video/meteor/ioctl_meteor.h &&
3574   check_header dev/video/bktr/ioctl_bt848.h; } ||
3575 check_header dev/ic/bt8xx.h
3576
3577 check_header sndio.h
3578 if check_struct sys/soundcard.h audio_buf_info bytes; then
3579     enable_safe sys/soundcard.h
3580 else
3581     check_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_safe sys/soundcard.h
3582     #include <sys/soundcard.h>
3583     audio_buf_info abc;
3584 EOF
3585 fi
3586 check_header soundcard.h
3587
3588 enabled_any alsa_indev alsa_outdev && check_lib2 alsa/asoundlib.h snd_pcm_htimestamp -lasound
3589
3590 enabled jack_indev && check_lib2 jack/jack.h jack_client_open -ljack && check_func sem_timedwait &&
3591     check_func jack_port_get_latency_range -ljack
3592
3593 enabled_any sndio_indev sndio_outdev && check_lib2 sndio.h sio_open -lsndio
3594
3595 enabled libcdio &&
3596     check_lib2 "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open "-lcdio_paranoia -lcdio_cdda -lcdio"
3597
3598 enabled x11grab                                           &&
3599 require X11 X11/Xlib.h XOpenDisplay -lX11                 &&
3600 require Xext X11/extensions/XShm.h XShmCreateImage -lXext &&
3601 require Xfixes X11/extensions/Xfixes.h XFixesGetCursorImage -lXfixes
3602
3603 if ! disabled vaapi; then
3604     check_lib va/va.h vaInitialize -lva && {
3605         check_cpp_condition va/va_version.h "VA_CHECK_VERSION(0,32,0)" ||
3606         warn "Please upgrade to VA-API >= 0.32 if you would like full VA-API support.";
3607     } || disable vaapi
3608 fi
3609
3610 if ! disabled vdpau && enabled vdpau_vdpau_h; then
3611 check_cpp_condition \
3612     vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
3613     { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
3614       disable vdpau; }
3615 fi
3616
3617 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
3618 enabled coverage && add_cflags "-fprofile-arcs -ftest-coverage" && add_ldflags "-fprofile-arcs -ftest-coverage"
3619 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"
3620
3621 # add some useful compiler flags if supported
3622 check_cflags -Wdeclaration-after-statement
3623 check_cflags -Wall
3624 check_cflags -Wno-parentheses
3625 check_cflags -Wno-switch
3626 check_cflags -Wno-format-zero-length
3627 check_cflags -Wdisabled-optimization
3628 check_cflags -Wpointer-arith
3629 check_cflags -Wredundant-decls
3630 check_cflags -Wno-pointer-sign
3631 check_cflags -Wwrite-strings
3632 check_cflags -Wtype-limits
3633 check_cflags -Wundef
3634 check_cflags -Wmissing-prototypes
3635 check_cflags -Wno-pointer-to-int-cast
3636 check_cflags -Wstrict-prototypes
3637 enabled extra_warnings && check_cflags -Winline
3638
3639 # add some linker flags
3640 check_ldflags -Wl,--warn-common
3641 check_ldflags -Wl,-rpath-link=libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample
3642 test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic
3643
3644 enabled xmm_clobber_test &&
3645     check_ldflags -Wl,--wrap,avcodec_open2              \
3646                   -Wl,--wrap,avcodec_decode_audio4      \
3647                   -Wl,--wrap,avcodec_decode_video2      \
3648                   -Wl,--wrap,avcodec_decode_subtitle2   \
3649                   -Wl,--wrap,avcodec_encode_audio2      \
3650                   -Wl,--wrap,avcodec_encode_video       \
3651                   -Wl,--wrap,avcodec_encode_subtitle    \
3652                   -Wl,--wrap,sws_scale ||
3653     disable xmm_clobber_test
3654
3655 echo "X{};" > $TMPV
3656 if test_ldflags -Wl,--version-script,$TMPV; then
3657     append SHFLAGS '-Wl,--version-script,\$(SUBDIR)lib\$(NAME).ver'
3658     check_cc <<EOF && enable symver_asm_label
3659 void ff_foo(void) __asm__ ("av_foo@VERSION");
3660 void ff_foo(void) { ${inline_asm+__asm__($quotes);} }
3661 EOF
3662     check_cc <<EOF && enable symver_gnu_asm
3663 __asm__(".symver ff_foo,av_foo@VERSION");
3664 void ff_foo(void) {}
3665 EOF
3666 fi
3667
3668 if [ -n "$optflags" ]; then
3669     add_cflags $optflags
3670 elif enabled small; then
3671     add_cflags $cflags_size
3672 elif enabled optimizations; then
3673     add_cflags $cflags_speed
3674 else
3675     add_cflags $cflags_noopt
3676 fi
3677 check_cflags -fno-math-errno
3678 check_cflags -fno-signed-zeros
3679 check_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"
3680 int x;
3681 EOF
3682
3683
3684 if enabled icc; then
3685     # Just warnings, no remarks
3686     check_cflags -w1
3687     # -wd: Disable following warnings
3688     # 144, 167, 556: -Wno-pointer-sign
3689     # 1292: attribute "foo" ignored
3690     # 1419: external declaration in primary source file
3691     # 10006: ignoring unknown option -fno-signed-zeros
3692     # 10148: ignoring unknown option -Wno-parentheses
3693     # 10156: ignoring option '-W'; no argument required
3694     check_cflags -wd144,167,556,1292,1419,10006,10148,10156
3695     # 11030: Warning unknown option --as-needed
3696     # 10156: ignoring option '-export'; no argument required
3697     check_ldflags -wd10156,11030
3698     # Allow to compile with optimizations
3699     check_ldflags -march=$cpu
3700     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test
3701     enable ebp_available
3702     if enabled x86_32; then
3703         icc_version=$($cc -dumpversion)
3704         test ${icc_version%%.*} -ge 11 &&
3705             check_cflags -falign-stack=maintain-16-byte ||
3706             disable aligned_stack
3707     fi
3708 elif enabled ccc; then
3709     # disable some annoying warnings
3710     add_cflags -msg_disable cvtu32to64
3711     add_cflags -msg_disable embedcomment
3712     add_cflags -msg_disable needconstext
3713     add_cflags -msg_disable nomainieee
3714     add_cflags -msg_disable ptrmismatch1
3715     add_cflags -msg_disable unreachcode
3716 elif enabled gcc; then
3717     check_cflags -fno-tree-vectorize
3718     check_cflags -Werror=implicit-function-declaration
3719     check_cflags -Werror=missing-prototypes
3720 elif enabled llvm_gcc; then
3721     check_cflags -mllvm -stack-alignment=16
3722 elif enabled clang; then
3723     check_cflags -mllvm -stack-alignment=16
3724     check_cflags -Qunused-arguments
3725 elif enabled armcc; then
3726     # 2523: use of inline assembler is deprecated
3727     add_cflags -W${armcc_opt},--diag_suppress=2523
3728     add_cflags -W${armcc_opt},--diag_suppress=1207
3729     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition
3730     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat
3731     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign
3732     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign
3733 elif enabled tms470; then
3734     add_cflags -pds=824 -pds=837
3735 elif enabled pathscale; then
3736     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
3737 fi
3738
3739 enabled_any $THREADS_LIST      && enable threads
3740
3741 check_deps $CONFIG_LIST       \
3742            $CONFIG_EXTRA      \
3743            $HAVE_LIST         \
3744            $ALL_COMPONENTS    \
3745            $ALL_TESTS         \
3746
3747 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
3748
3749 if test $target_os = "haiku"; then
3750     disable memalign
3751     disable posix_memalign
3752 fi
3753
3754 ! enabled_any memalign posix_memalign aligned_malloc &&
3755     enabled_any $need_memalign && enable memalign_hack
3756
3757 # add_dep lib dep
3758 # -> enable ${lib}_deps_${dep}
3759 # -> add $dep to ${lib}_deps only once
3760 add_dep() {
3761     lib=$1
3762     dep=$2
3763     enabled "${lib}_deps_${dep}" && return 0
3764     enable  "${lib}_deps_${dep}"
3765     prepend "${lib}_deps" $dep
3766 }
3767
3768 # merge deps lib components
3769 # merge all ${component}_deps into ${lib}_deps and ${lib}_deps_*
3770 merge_deps() {
3771     lib=$1
3772     shift
3773     for comp in $*; do
3774         enabled $comp || continue
3775         eval "dep=\"\$${comp}_deps\""
3776         for d in $dep; do
3777             add_dep $lib $d
3778         done
3779     done
3780 }
3781
3782 merge_deps libavfilter $FILTER_LIST
3783
3784 echo "install prefix            $prefix"
3785 echo "source path               $source_path"
3786 echo "C compiler                $cc"
3787 echo "ARCH                      $arch ($cpu)"
3788 if test "$build_suffix" != ""; then
3789     echo "build suffix              $build_suffix"
3790 fi
3791 if test "$progs_suffix" != ""; then
3792     echo "progs suffix              $progs_suffix"
3793 fi
3794 if test "$extra_version" != ""; then
3795     echo "version string suffix     $extra_version"
3796 fi
3797 echo "big-endian                ${bigendian-no}"
3798 echo "runtime cpu detection     ${runtime_cpudetect-no}"
3799 if enabled x86; then
3800     echo "${yasmexe}                      ${yasm-no}"
3801     echo "MMX enabled               ${mmx-no}"
3802     echo "MMXEXT enabled            ${mmxext-no}"
3803     echo "3DNow! enabled            ${amd3dnow-no}"
3804     echo "3DNow! extended enabled   ${amd3dnowext-no}"
3805     echo "SSE enabled               ${sse-no}"
3806     echo "SSSE3 enabled             ${ssse3-no}"
3807     echo "AVX enabled               ${avx-no}"
3808     echo "FMA4 enabled              ${fma4-no}"
3809     echo "CMOV enabled              ${cmov-no}"
3810     echo "CMOV is fast              ${fast_cmov-no}"
3811     echo "EBX available             ${ebx_available-no}"
3812     echo "EBP available             ${ebp_available-no}"
3813 fi
3814 if enabled arm; then
3815     echo "ARMv5TE enabled           ${armv5te-no}"
3816     echo "ARMv6 enabled             ${armv6-no}"
3817     echo "ARMv6T2 enabled           ${armv6t2-no}"
3818     echo "ARM VFP enabled           ${armvfp-no}"
3819     echo "NEON enabled              ${neon-no}"
3820 fi
3821 if enabled mips; then
3822     echo "MMI enabled               ${mmi-no}"
3823     echo "MIPS FPU enabled          ${mipsfpu-no}"
3824     echo "MIPS32R2 enabled          ${mips32r2-no}"
3825     echo "MIPS DSP R1 enabled       ${mipsdspr1-no}"
3826     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"
3827 fi
3828 if enabled ppc; then
3829     echo "AltiVec enabled           ${altivec-no}"
3830     echo "PPC 4xx optimizations     ${ppc4xx-no}"
3831     echo "dcbzl available           ${dcbzl-no}"
3832 fi
3833 if enabled sparc; then
3834     echo "VIS enabled               ${vis-no}"
3835 fi
3836 echo "debug symbols             ${debug-no}"
3837 echo "strip symbols             ${stripping-no}"
3838 echo "optimize for size         ${small-no}"
3839 echo "optimizations             ${optimizations-no}"
3840 echo "static                    ${static-no}"
3841 echo "shared                    ${shared-no}"
3842 echo "postprocessing support    ${postproc-no}"
3843 echo "new filter support        ${avfilter-no}"
3844 echo "network support           ${network-no}"
3845 echo "threading support         ${thread_type-no}"
3846 echo "safe bitstream reader     ${safe_bitstream_reader-no}"
3847 echo "SDL support               ${sdl-no}"
3848 echo "libdxva2 enabled          ${dxva2-no}"
3849 echo "libva enabled             ${vaapi-no}"
3850 echo "libvdpau enabled          ${vdpau-no}"
3851 echo "AVISynth enabled          ${avisynth-no}"
3852 echo "frei0r enabled            ${frei0r-no}"
3853 echo "gnutls enabled            ${gnutls-no}"
3854 echo "libaacplus enabled        ${libaacplus-no}"
3855 echo "libass enabled            ${libass-no}"
3856 echo "libcaca enabled           ${libcaca-no}"
3857 echo "libcdio support           ${libcdio-no}"
3858 echo "libcelt enabled           ${libcelt-no}"
3859 echo "libdc1394 support         ${libdc1394-no}"
3860 echo "libfaac enabled           ${libfaac-no}"
3861 echo "libfdk-aac enabled        ${libfdk_aac-no}"
3862 echo "libgsm enabled            ${libgsm-no}"
3863 echo "libiec61883 support       ${libiec61883-no}"
3864 echo "libilbc enabled           ${libilbc-no}"
3865 echo "libmodplug enabled        ${libmodplug-no}"
3866 echo "libmp3lame enabled        ${libmp3lame-no}"
3867 echo "libnut enabled            ${libnut-no}"
3868 echo "libopencore-amrnb support ${libopencore_amrnb-no}"
3869 echo "libopencore-amrwb support ${libopencore_amrwb-no}"
3870 echo "libopencv support         ${libopencv-no}"
3871 echo "libopenjpeg enabled       ${libopenjpeg-no}"
3872 echo "libopus enabled           ${libopus-no}"
3873 echo "libpulse enabled          ${libpulse-no}"
3874 echo "librtmp enabled           ${librtmp-no}"
3875 echo "libschroedinger enabled   ${libschroedinger-no}"
3876 echo "libspeex enabled          ${libspeex-no}"
3877 echo "libstagefright-h264 enabled    ${libstagefright_h264-no}"
3878 echo "libtheora enabled         ${libtheora-no}"
3879 echo "libtwolame enabled        ${libtwolame-no}"
3880 echo "libutvideo enabled        ${libutvideo-no}"
3881 echo "libv4l2 enabled           ${libv4l2-no}"
3882 echo "libvo-aacenc support      ${libvo_aacenc-no}"
3883 echo "libvo-amrwbenc support    ${libvo_amrwbenc-no}"
3884 echo "libvorbis enabled         ${libvorbis-no}"
3885 echo "libvpx enabled            ${libvpx-no}"
3886 echo "libx264 enabled           ${libx264-no}"
3887 echo "libxavs enabled           ${libxavs-no}"
3888 echo "libxvid enabled           ${libxvid-no}"
3889 echo "openal enabled            ${openal-no}"
3890 echo "openssl enabled           ${openssl-no}"
3891 echo "zlib enabled              ${zlib-no}"
3892 echo "bzlib enabled             ${bzlib-no}"
3893 echo "texi2html enabled         ${texi2html-no}"
3894 echo "perl enabled              ${perl-no}"
3895 echo "pod2man enabled           ${pod2man-no}"
3896 echo "makeinfo enabled          ${makeinfo-no}"
3897 test -n "$random_seed" &&
3898     echo "random seed               ${random_seed}"
3899 echo
3900
3901 for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
3902     echo "Enabled ${type}s:"
3903     eval list=\$$(toupper $type)_LIST
3904     print_enabled '_*' $list | sort | pr -r -3 -t
3905     echo
3906 done
3907
3908 license="LGPL version 2.1 or later"
3909 if enabled nonfree; then
3910     license="nonfree and unredistributable"
3911 elif enabled gplv3; then
3912     license="GPL version 3 or later"
3913 elif enabled lgplv3; then
3914     license="LGPL version 3 or later"
3915 elif enabled gpl; then
3916     license="GPL version 2 or later"
3917 fi
3918
3919 echo "License: $license"
3920
3921 echo "Creating config.mak and config.h..."
3922
3923 test -e Makefile || $ln_s "$source_path/Makefile" .
3924
3925 enabled stripping || strip="echo skipping strip"
3926
3927 config_files="$TMPH config.mak"
3928
3929 cat > config.mak <<EOF
3930 # Automatically generated by configure - do not modify!
3931 ifndef FFMPEG_CONFIG_MAK
3932 FFMPEG_CONFIG_MAK=1
3933 FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION
3934 prefix=$prefix
3935 LIBDIR=\$(DESTDIR)$libdir
3936 SHLIBDIR=\$(DESTDIR)$shlibdir
3937 INCDIR=\$(DESTDIR)$incdir
3938 BINDIR=\$(DESTDIR)$bindir
3939 DATADIR=\$(DESTDIR)$datadir
3940 MANDIR=\$(DESTDIR)$mandir
3941 SRC_PATH=$source_path
3942 ifndef MAIN_MAKEFILE
3943 SRC_PATH:=\$(SRC_PATH:.%=..%)
3944 endif
3945 CC_IDENT=$cc_ident
3946 ARCH=$arch
3947 CC=$cc
3948 CXX=$cxx
3949 AS=$as
3950 LD=$ld
3951 DEPCC=$dep_cc
3952 DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)
3953 DEPAS=$as
3954 DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
3955 YASM=$yasmexe
3956 DEPYASM=$yasmexe
3957 AR=$ar
3958 RANLIB=$ranlib
3959 CP=cp -p
3960 LN_S=$ln_s
3961 STRIP=$strip
3962 CPPFLAGS=$CPPFLAGS
3963 CFLAGS=$CFLAGS
3964 CXXFLAGS=$CXXFLAGS
3965 ASFLAGS=$ASFLAGS
3966 AS_C=$AS_C
3967 AS_O=$AS_O
3968 CC_C=$CC_C
3969 CC_O=$CC_O
3970 CXX_C=$CXX_C
3971 CXX_O=$CXX_O
3972 LD_O=$LD_O
3973 DLLTOOL=$dlltool
3974 LDFLAGS=$LDFLAGS
3975 LDFLAGS-ffserver=$FFSERVERLDFLAGS
3976 SHFLAGS=$SHFLAGS
3977 YASMFLAGS=$YASMFLAGS
3978 BUILDSUF=$build_suffix
3979 PROGSSUF=$progs_suffix
3980 FULLNAME=$FULLNAME
3981 LIBPREF=$LIBPREF
3982 LIBSUF=$LIBSUF
3983 LIBNAME=$LIBNAME
3984 SLIBPREF=$SLIBPREF
3985 SLIBSUF=$SLIBSUF
3986 EXESUF=$EXESUF
3987 EXTRA_VERSION=$extra_version
3988 CCDEP=$CCDEP
3989 CXXDEP=$CXXDEP
3990 CCDEP_FLAGS=$CCDEP_FLAGS
3991 ASDEP=$ASDEP
3992 ASDEP_FLAGS=$ASDEP_FLAGS
3993 CC_DEPFLAGS=$CC_DEPFLAGS
3994 AS_DEPFLAGS=$AS_DEPFLAGS
3995 HOSTCC=$host_cc
3996 HOSTCFLAGS=$host_cflags
3997 HOSTEXESUF=$HOSTEXESUF
3998 HOSTLDFLAGS=$host_ldflags
3999 HOSTLIBS=$host_libs
4000 DEPHOSTCC=$host_cc
4001 DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)
4002 HOSTCCDEP=$HOSTCCDEP
4003 HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS
4004 HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS
4005 HOSTCC_C=$HOSTCC_C
4006 HOSTCC_O=$HOSTCC_O
4007 TARGET_EXEC=$target_exec
4008 TARGET_PATH=$target_path
4009 LIBS-ffplay=$sdl_libs
4010 CFLAGS-ffplay=$sdl_cflags
4011 LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD
4012 EXTRALIBS=$extralibs
4013 INSTALL=$install
4014 LIBTARGET=${LIBTARGET}
4015 SLIBNAME=${SLIBNAME}
4016 SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}
4017 SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}
4018 SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}
4019 SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}
4020 SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}
4021 SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}
4022 SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}
4023 SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}
4024 SAMPLES:=${samples:-\$(FATE_SAMPLES)}
4025 NOREDZONE_FLAGS=$noredzone_flags
4026 EOF
4027
4028 get_version(){
4029     lcname=$1
4030     name=$(toupper $lcname)
4031     file=$source_path/$lcname/version.h
4032     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4033     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4034     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4035     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4036 }
4037
4038 get_version_old(){
4039     name=$1
4040     file=$source_path/$2
4041 # This condition will be removed when we stop supporting old libpostproc versions
4042 if ! test "$name" = LIBPOSTPROC || test "$postproc_version" = current; then
4043     eval $(grep "#define ${name}_VERSION_M" "$file" | awk '{ print $2"="$3 }')
4044     eval ${name}_VERSION=\$${name}_VERSION_MAJOR.\$${name}_VERSION_MINOR.\$${name}_VERSION_MICRO
4045 fi
4046     lcname=$(tolower $name)
4047     eval echo "${lcname}_VERSION=\$${name}_VERSION" >> config.mak
4048     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
4049 }
4050
4051 get_version_old LIBPOSTPROC libpostproc/postprocess.h
4052 get_version_old LIBSWRESAMPLE libswresample/swresample.h
4053
4054 get_version libavcodec
4055 get_version libavdevice
4056 get_version libavfilter
4057 get_version libavformat
4058 get_version libavresample
4059 get_version libavutil
4060 get_version libswscale
4061
4062 cat > $TMPH <<EOF
4063 /* Automatically generated by configure - do not modify! */
4064 #ifndef FFMPEG_CONFIG_H
4065 #define FFMPEG_CONFIG_H
4066 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
4067 #define FFMPEG_LICENSE "$(c_escape $license)"
4068 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
4069 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
4070 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
4071 #define av_restrict $_restrict
4072 #define EXTERN_PREFIX "${extern_prefix}"
4073 #define EXTERN_ASM ${extern_prefix}
4074 #define SLIBSUF "$SLIBSUF"
4075 #define HAVE_MMX2 HAVE_MMXEXT
4076 EOF
4077
4078 test -n "$assert_level" &&
4079     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH
4080
4081 test -n "$malloc_prefix" &&
4082     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH
4083
4084 if enabled yasm; then
4085     append config_files $TMPASM
4086     printf '' >$TMPASM
4087 fi
4088
4089 print_config ARCH_   "$config_files" $ARCH_LIST
4090 print_config HAVE_   "$config_files" $HAVE_LIST
4091 print_config CONFIG_ "$config_files" $CONFIG_LIST       \
4092                                      $CONFIG_EXTRA      \
4093                                      $ALL_COMPONENTS    \
4094
4095 cat >>config.mak <<EOF
4096 LAVF_FATE_TESTS=$(print_enabled -n _test $LAVF_FATE_TESTS)
4097 LAVF_TESTS=$(print_enabled   -n _test $LAVF_TESTS)
4098 LAVFI_TESTS=$(print_enabled  -n _test $LAVFI_TESTS)
4099 SEEK_TESTS=$(print_enabled   -n _test $SEEK_TESTS)
4100 EOF
4101
4102 echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH
4103 echo "endif # FFMPEG_CONFIG_MAK" >> config.mak
4104
4105 # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.
4106 cp_if_changed $TMPH config.h
4107 touch .config
4108
4109 enabled yasm && cp_if_changed $TMPASM config.asm
4110
4111 cat > $TMPH <<EOF
4112 /* Generated by ffconf */
4113 #ifndef AVUTIL_AVCONFIG_H
4114 #define AVUTIL_AVCONFIG_H
4115 EOF
4116
4117 test "$postproc_version" != current && cat >> $TMPH <<EOF
4118 #define LIBPOSTPROC_VERSION_MAJOR $LIBPOSTPROC_VERSION_MAJOR
4119 #define LIBPOSTPROC_VERSION_MINOR $LIBPOSTPROC_VERSION_MINOR
4120 #define LIBPOSTPROC_VERSION_MICRO $LIBPOSTPROC_VERSION_MICRO
4121 EOF
4122
4123 print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB
4124
4125 echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH
4126
4127 cp_if_changed $TMPH libavutil/avconfig.h
4128
4129 test -n "$WARNINGS" && printf "\n$WARNINGS"
4130
4131 # build pkg-config files
4132
4133 pkgconfig_generate(){
4134 name=$1
4135 shortname=${name#lib}${build_suffix}
4136 comment=$2
4137 version=$3
4138 libs=$4
4139 requires=$5
4140 enabled ${name#lib} || return 0
4141 mkdir -p $name
4142 cat <<EOF > $name/$name.pc
4143 prefix=$prefix
4144 exec_prefix=\${prefix}
4145 libdir=$libdir
4146 includedir=$incdir
4147
4148 Name: $name
4149 Description: $comment
4150 Version: $version
4151 Requires: $(enabled shared || echo $requires)
4152 Requires.private: $(enabled shared && echo $requires)
4153 Conflicts:
4154 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4155 Libs.private: $(enabled shared && echo $libs)
4156 Cflags: -I\${includedir}
4157 EOF
4158
4159 mkdir -p doc/examples/pc-uninstalled
4160 includedir=${source_path}
4161 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
4162 cat <<EOF > doc/examples/pc-uninstalled/$name.pc
4163 prefix=
4164 exec_prefix=
4165 libdir=\${pcfiledir}/../../../$name
4166 includedir=${includedir}
4167
4168 Name: $name
4169 Description: $comment
4170 Version: $version
4171 Requires: $requires
4172 Conflicts:
4173 Libs: -L\${libdir} -l${shortname} $(enabled shared || echo $libs)
4174 Cflags: -I\${includedir}
4175 EOF
4176 }
4177
4178 libavfilter_pc_deps=""
4179 enabled libavfilter_deps_avcodec    && prepend libavfilter_pc_deps "libavcodec = $LIBAVCODEC_VERSION,"
4180 enabled libavfilter_deps_avformat   && prepend libavfilter_pc_deps "libavformat = $LIBAVFORMAT_VERSION,"
4181 enabled libavfilter_deps_swscale    && prepend libavfilter_pc_deps "libswscale = $LIBSWSCALE_VERSION,"
4182 enabled libavfilter_deps_swresample && prepend libavfilter_pc_deps "libswresample = $LIBSWRESAMPLE_VERSION,"
4183 enabled libavfilter_deps_postproc   && prepend libavfilter_pc_deps "libpostproc = $LIBPOSTPROC_VERSION,"
4184 libavfilter_pc_deps=${libavfilter_pc_deps%, }
4185
4186 libavdevice_pc_deps="libavformat = $LIBAVFORMAT_VERSION"
4187 enabled lavfi_indev && prepend libavdevice_pc_deps "libavfilter = $LIBAVFILTER_VERSION,"
4188
4189 pkgconfig_generate libavutil "FFmpeg utility library" "$LIBAVUTIL_VERSION" "$LIBM"
4190 pkgconfig_generate libavcodec "FFmpeg codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
4191 pkgconfig_generate libavformat "FFmpeg container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
4192 pkgconfig_generate libavdevice "FFmpeg device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "$libavdevice_pc_deps"
4193 pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "$libavfilter_pc_deps"
4194 pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
4195 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
4196 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
4197 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"