configure: Fix build with --disable-decoders --enable-parser=hevc
[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 test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH
58
59 show_help(){
60     cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65   --help                   print this message
66   --list-decoders          show all available decoders
67   --list-encoders          show all available encoders
68   --list-hwaccels          show all available hardware accelerators
69   --list-demuxers          show all available demuxers
70   --list-muxers            show all available muxers
71   --list-parsers           show all available parsers
72   --list-protocols         show all available protocols
73   --list-bsfs              show all available bitstream filters
74   --list-indevs            show all available input devices
75   --list-outdevs           show all available output devices
76   --list-filters           show all available filters
77
78 Standard options:
79   --logfile=FILE           log tests and output to FILE [config.log]
80   --disable-logging        do not log configure debug information
81   --fatal-warnings         fail if any configure warning is generated
82   --prefix=PREFIX          install in PREFIX [$prefix]
83   --bindir=DIR             install binaries in DIR [PREFIX/bin]
84   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
85   --docdir=DIR             install documentation in DIR [PREFIX/share/doc/ffmpeg]
86   --libdir=DIR             install libs in DIR [PREFIX/lib]
87   --shlibdir=DIR           install shared libs in DIR [LIBDIR]
88   --incdir=DIR             install includes in DIR [PREFIX/include]
89   --mandir=DIR             install man page in DIR [PREFIX/share/man]
90   --pkgconfigdir=DIR       install pkg-config files in DIR [LIBDIR/pkgconfig]
91   --enable-rpath           use rpath to allow installing libraries in paths
92                            not part of the dynamic linker search path
93                            use rpath when linking programs [USE WITH CARE]
94
95 Licensing options:
96   --enable-gpl             allow use of GPL code, the resulting libs
97                            and binaries will be under GPL [no]
98   --enable-version3        upgrade (L)GPL to version 3 [no]
99   --enable-nonfree         allow use of nonfree code, the resulting libs
100                            and binaries will be unredistributable [no]
101
102 Configuration options:
103   --disable-static         do not build static libraries [no]
104   --enable-shared          build shared libraries [no]
105   --enable-small           optimize for size instead of speed
106   --disable-runtime-cpudetect disable detecting cpu capabilities at runtime (smaller binary)
107   --enable-gray            enable full grayscale support (slower color)
108   --disable-swscale-alpha  disable alpha channel support in swscale
109   --disable-all            disable building components, libraries and programs
110   --enable-incompatible-libav-abi enable incompatible Libav fork ABI [no]
111   --enable-raise-major     increase major version numbers in sonames [no]
112
113 Program options:
114   --disable-programs       do not build command line programs
115   --disable-ffmpeg         disable ffmpeg build
116   --disable-ffplay         disable ffplay build
117   --disable-ffprobe        disable ffprobe build
118   --disable-ffserver       disable ffserver build
119
120 Documentation options:
121   --disable-doc            do not build documentation
122   --disable-htmlpages      do not build HTML documentation pages
123   --disable-manpages       do not build man documentation pages
124   --disable-podpages       do not build POD documentation pages
125   --disable-txtpages       do not build text documentation pages
126
127 Component options:
128   --disable-avdevice       disable libavdevice build
129   --disable-avcodec        disable libavcodec build
130   --disable-avformat       disable libavformat build
131   --disable-avutil         disable libavutil build
132   --disable-swresample     disable libswresample build
133   --disable-swscale        disable libswscale build
134   --disable-postproc       disable libpostproc build
135   --disable-avfilter       disable libavfilter build
136   --enable-avresample      enable libavresample build [no]
137   --disable-pthreads       disable pthreads [autodetect]
138   --disable-w32threads     disable Win32 threads [autodetect]
139   --disable-os2threads     disable OS/2 threads [autodetect]
140   --disable-network        disable network support [no]
141   --disable-dct            disable DCT code
142   --disable-dwt            disable DWT code
143   --disable-error-resilience disable error resilience code
144   --disable-lsp            disable LSP code
145   --disable-lzo            disable LZO decoder code
146   --disable-mdct           disable MDCT code
147   --disable-rdft           disable RDFT code
148   --disable-fft            disable FFT code
149   --disable-faan           disable floating point AAN (I)DCT code
150   --disable-pixelutils     disable pixel utils in libavutil
151
152 Hardware accelerators:
153   --disable-d3d11va        disable D3D11VA code [autodetect]
154   --disable-dxva2          disable DXVA2 code [autodetect]
155   --disable-vaapi          disable VAAPI code [autodetect]
156   --disable-vda            disable VDA code [autodetect]
157   --disable-vdpau          disable VDPAU code [autodetect]
158
159 Individual component options:
160   --disable-everything     disable all components listed below
161   --disable-encoder=NAME   disable encoder NAME
162   --enable-encoder=NAME    enable encoder NAME
163   --disable-encoders       disable all encoders
164   --disable-decoder=NAME   disable decoder NAME
165   --enable-decoder=NAME    enable decoder NAME
166   --disable-decoders       disable all decoders
167   --disable-hwaccel=NAME   disable hwaccel NAME
168   --enable-hwaccel=NAME    enable hwaccel NAME
169   --disable-hwaccels       disable all hwaccels
170   --disable-muxer=NAME     disable muxer NAME
171   --enable-muxer=NAME      enable muxer NAME
172   --disable-muxers         disable all muxers
173   --disable-demuxer=NAME   disable demuxer NAME
174   --enable-demuxer=NAME    enable demuxer NAME
175   --disable-demuxers       disable all demuxers
176   --enable-parser=NAME     enable parser NAME
177   --disable-parser=NAME    disable parser NAME
178   --disable-parsers        disable all parsers
179   --enable-bsf=NAME        enable bitstream filter NAME
180   --disable-bsf=NAME       disable bitstream filter NAME
181   --disable-bsfs           disable all bitstream filters
182   --enable-protocol=NAME   enable protocol NAME
183   --disable-protocol=NAME  disable protocol NAME
184   --disable-protocols      disable all protocols
185   --enable-indev=NAME      enable input device NAME
186   --disable-indev=NAME     disable input device NAME
187   --disable-indevs         disable input devices
188   --enable-outdev=NAME     enable output device NAME
189   --disable-outdev=NAME    disable output device NAME
190   --disable-outdevs        disable output devices
191   --disable-devices        disable all devices
192   --enable-filter=NAME     enable filter NAME
193   --disable-filter=NAME    disable filter NAME
194   --disable-filters        disable all filters
195
196 External library support:
197   --enable-avisynth        enable reading of AviSynth script files [no]
198   --disable-bzlib          disable bzlib [autodetect]
199   --enable-fontconfig      enable fontconfig, useful for drawtext filter [no]
200   --enable-frei0r          enable frei0r video filtering [no]
201   --enable-gnutls          enable gnutls, needed for https support
202                            if openssl is not used [no]
203   --disable-iconv          disable iconv [autodetect]
204   --enable-ladspa          enable LADSPA audio filtering [no]
205   --enable-libaacplus      enable AAC+ encoding via libaacplus [no]
206   --enable-libass          enable libass subtitles rendering,
207                            needed for subtitles and ass filter [no]
208   --enable-libbluray       enable BluRay reading using libbluray [no]
209   --enable-libbs2b         enable bs2b DSP library [no]
210   --enable-libcaca         enable textual display using libcaca [no]
211   --enable-libcelt         enable CELT decoding via libcelt [no]
212   --enable-libcdio         enable audio CD grabbing with libcdio [no]
213   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
214                            and libraw1394 [no]
215   --enable-libdcadec       enable DCA decoding via libdcadec [no]
216   --enable-libfaac         enable AAC encoding via libfaac [no]
217   --enable-libfdk-aac      enable AAC de/encoding via libfdk-aac [no]
218   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
219   --enable-libfreetype     enable libfreetype, needed for drawtext filter [no]
220   --enable-libfribidi      enable libfribidi, improves drawtext filter [no]
221   --enable-libgme          enable Game Music Emu via libgme [no]
222   --enable-libgsm          enable GSM de/encoding via libgsm [no]
223   --enable-libiec61883     enable iec61883 via libiec61883 [no]
224   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
225   --enable-libmfx          enable HW acceleration through libmfx
226   --enable-libmodplug      enable ModPlug via libmodplug [no]
227   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
228   --enable-libnut          enable NUT (de)muxing via libnut,
229                            native (de)muxer exists [no]
230   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
231   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
232   --enable-libopencv       enable video filtering via libopencv [no]
233   --enable-libopenh264     enable H.264 encoding via OpenH264 [no]
234   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
235   --enable-libopus         enable Opus de/encoding via libopus [no]
236   --enable-libpulse        enable Pulseaudio input via libpulse [no]
237   --enable-libquvi         enable quvi input via libquvi [no]
238   --enable-librtmp         enable RTMP[E] support via librtmp [no]
239   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
240   --enable-libshine        enable fixed-point MP3 encoding via libshine [no]
241   --enable-libsmbclient    enable Samba protocol via libsmbclient [no]
242   --enable-libsnappy       enable Snappy compression, needed for hap encoding [no]
243   --enable-libsoxr         enable Include libsoxr resampling [no]
244   --enable-libspeex        enable Speex de/encoding via libspeex [no]
245   --enable-libssh          enable SFTP protocol via libssh [no]
246   --enable-libstagefright-h264  enable H.264 decoding via libstagefright [no]
247   --enable-libtheora       enable Theora encoding via libtheora [no]
248   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
249   --enable-libutvideo      enable Ut Video encoding and decoding via libutvideo [no]
250   --enable-libv4l2         enable libv4l2/v4l-utils [no]
251   --enable-libvidstab      enable video stabilization using vid.stab [no]
252   --enable-libvo-aacenc    enable AAC encoding via libvo-aacenc [no]
253   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
254   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
255                            native implementation exists [no]
256   --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]
257   --enable-libwavpack      enable wavpack encoding via libwavpack [no]
258   --enable-libwebp         enable WebP encoding via libwebp [no]
259   --enable-libx264         enable H.264 encoding via x264 [no]
260   --enable-libx265         enable HEVC encoding via x265 [no]
261   --enable-libxavs         enable AVS encoding via xavs [no]
262   --enable-libxcb          enable X11 grabbing using XCB [autodetect]
263   --enable-libxcb-shm      enable X11 grabbing shm communication [autodetect]
264   --enable-libxcb-xfixes   enable X11 grabbing mouse rendering [autodetect]
265   --enable-libxcb-shape    enable X11 grabbing shape rendering [autodetect]
266   --enable-libxvid         enable Xvid encoding via xvidcore,
267                            native MPEG-4/Xvid encoder exists [no]
268   --enable-libzmq          enable message passing via libzmq [no]
269   --enable-libzvbi         enable teletext support via libzvbi [no]
270   --disable-lzma           disable lzma [autodetect]
271   --enable-decklink        enable Blackmagick DeckLink I/O support [no]
272   --enable-mmal            enable decoding via MMAL [no]
273   --enable-nvenc           enable NVIDIA NVENC support [no]
274   --enable-openal          enable OpenAL 1.1 capture support [no]
275   --enable-opencl          enable OpenCL code
276   --enable-opengl          enable OpenGL rendering [no]
277   --enable-openssl         enable openssl, needed for https support
278                            if gnutls is not used [no]
279   --disable-sdl            disable sdl [autodetect]
280   --disable-securetransport disable Secure Transport, needed for TLS support
281                            on OSX if openssl and gnutls are not used [autodetect]
282   --enable-x11grab         enable X11 grabbing (legacy) [no]
283   --disable-xlib           disable xlib [autodetect]
284   --disable-zlib           disable zlib [autodetect]
285
286 Toolchain options:
287   --arch=ARCH              select architecture [$arch]
288   --cpu=CPU                select the minimum required CPU (affects
289                            instruction selection, may crash on older CPUs)
290   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
291   --progs-suffix=SUFFIX    program name suffix []
292   --enable-cross-compile   assume a cross-compiler is used
293   --sysroot=PATH           root of cross-build tree
294   --sysinclude=PATH        location of cross-build system headers
295   --target-os=OS           compiler targets OS [$target_os]
296   --target-exec=CMD        command to run executables on target
297   --target-path=DIR        path to view of build directory on target
298   --target-samples=DIR     path to samples directory on target
299   --tempprefix=PATH        force fixed dir/prefix instead of mktemp for checks
300   --toolchain=NAME         set tool defaults according to NAME
301   --nm=NM                  use nm tool NM [$nm_default]
302   --ar=AR                  use archive tool AR [$ar_default]
303   --as=AS                  use assembler AS [$as_default]
304   --windres=WINDRES        use windows resource compiler WINDRES [$windres_default]
305   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
306   --cc=CC                  use C compiler CC [$cc_default]
307   --cxx=CXX                use C compiler CXX [$cxx_default]
308   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
309   --ld=LD                  use linker LD [$ld_default]
310   --pkg-config=PKGCONFIG   use pkg-config tool PKGCONFIG [$pkg_config_default]
311   --pkg-config-flags=FLAGS pass additional flags to pkgconf []
312   --ranlib=RANLIB          use ranlib RANLIB [$ranlib_default]
313   --doxygen=DOXYGEN        use DOXYGEN to generate API doc [$doxygen_default]
314   --host-cc=HOSTCC         use host C compiler HOSTCC
315   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
316   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
317   --host-ld=HOSTLD         use host linker HOSTLD
318   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
319   --host-libs=HLIBS        use libs HLIBS when linking for host
320   --host-os=OS             compiler host OS [$target_os]
321   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
322   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
323   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
324   --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
325   --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
326   --extra-libs=ELIBS       add ELIBS [$ELIBS]
327   --extra-version=STRING   version string suffix []
328   --optflags=OPTFLAGS      override optimization-related compiler flags
329   --build-suffix=SUFFIX    library name suffix []
330   --enable-pic             build position-independent code
331   --enable-thumb           compile for Thumb instruction set
332   --enable-lto             use link-time optimization
333   --env="ENV=override"     override the environment variables
334
335 Advanced options (experts only):
336   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
337   --disable-symver         disable symbol versioning
338   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
339   --disable-safe-bitstream-reader
340                            disable buffer boundary checking in bitreaders
341                            (faster, but may crash)
342   --enable-memalign-hack   emulate memalign, interferes with memory debuggers
343   --sws-max-filter-size=N  the max filter size swscale uses [$sws_max_filter_size_default]
344
345 Optimization options (experts only):
346   --disable-asm            disable all assembly optimizations
347   --disable-altivec        disable AltiVec optimizations
348   --disable-vsx            disable VSX optimizations
349   --disable-power8         disable POWER8 optimizations
350   --disable-amd3dnow       disable 3DNow! optimizations
351   --disable-amd3dnowext    disable 3DNow! extended optimizations
352   --disable-mmx            disable MMX optimizations
353   --disable-mmxext         disable MMXEXT optimizations
354   --disable-sse            disable SSE optimizations
355   --disable-sse2           disable SSE2 optimizations
356   --disable-sse3           disable SSE3 optimizations
357   --disable-ssse3          disable SSSE3 optimizations
358   --disable-sse4           disable SSE4 optimizations
359   --disable-sse42          disable SSE4.2 optimizations
360   --disable-avx            disable AVX optimizations
361   --disable-xop            disable XOP optimizations
362   --disable-fma3           disable FMA3 optimizations
363   --disable-fma4           disable FMA4 optimizations
364   --disable-avx2           disable AVX2 optimizations
365   --disable-armv5te        disable armv5te optimizations
366   --disable-armv6          disable armv6 optimizations
367   --disable-armv6t2        disable armv6t2 optimizations
368   --disable-vfp            disable VFP optimizations
369   --disable-neon           disable NEON optimizations
370   --disable-inline-asm     disable use of inline assembly
371   --disable-yasm           disable use of nasm/yasm assembly
372   --disable-mips32r5       disable MIPS32R5 optimizations
373   --disable-mips64r6       disable MIPS64R6 optimizations
374   --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations
375   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
376   --disable-msa            disable MSA optimizations
377   --disable-mipsfpu        disable floating point MIPS optimizations
378   --disable-mmi            disable Loongson SIMD optimizations
379   --disable-fast-unaligned consider unaligned accesses slow
380
381 Developer options (useful when working on FFmpeg itself):
382   --disable-debug          disable debugging symbols
383   --enable-debug=LEVEL     set the debug level [$debuglevel]
384   --disable-optimizations  disable compiler optimizations
385   --enable-extra-warnings  enable more compiler warnings
386   --disable-stripping      disable stripping of executables and shared libraries
387   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
388                            2 causes a slowdown at runtime.
389   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
390   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
391                            leaks and errors, using the specified valgrind binary.
392                            Cannot be combined with --target-exec
393   --enable-ftrapv          Trap arithmetic overflows
394   --samples=PATH           location of test samples for FATE, if not set use
395                            \$FATE_SAMPLES at make invocation time.
396   --enable-neon-clobber-test check NEON registers for clobbering (should be
397                            used only for debugging purposes)
398   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
399                            should be used only for debugging purposes)
400   --enable-random          randomly enable/disable components
401   --disable-random
402   --enable-random=LIST     randomly enable/disable specific components or
403   --disable-random=LIST    component groups. LIST is a comma-separated list
404                            of NAME[:PROB] entries where NAME is a component
405                            (group) and PROB the probability associated with
406                            NAME (default 0.5).
407   --random-seed=VALUE      seed value for --enable/disable-random
408   --disable-valgrind-backtrace do not print a backtrace under Valgrind
409                            (only applies to --disable-optimizations builds)
410
411 NOTE: Object files are built at the place where configure is launched.
412 EOF
413   exit 0
414 }
415
416 quotes='""'
417
418 log(){
419     echo "$@" >> $logfile
420 }
421
422 log_file(){
423     log BEGIN $1
424     pr -n -t $1 >> $logfile
425     log END $1
426 }
427
428 echolog(){
429     log "$@"
430     echo "$@"
431 }
432
433 warn(){
434     log "WARNING: $*"
435     WARNINGS="${WARNINGS}WARNING: $*\n"
436 }
437
438 die(){
439     echolog "$@"
440     cat <<EOF
441
442 If you think configure made a mistake, make sure you are using the latest
443 version from Git.  If the latest version fails, report the problem to the
444 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
445 EOF
446     if disabled logging; then
447         cat <<EOF
448 Rerun configure with logging enabled (do not use --disable-logging), and
449 include the log this produces with your report.
450 EOF
451     else
452         cat <<EOF
453 Include the log file "$logfile" produced by configure as this will help
454 solve the problem.
455 EOF
456     fi
457     exit 1
458 }
459
460 # Avoid locale weirdness, besides we really just want to translate ASCII.
461 toupper(){
462     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
463 }
464
465 tolower(){
466     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
467 }
468
469 c_escape(){
470     echo "$*" | sed 's/["\\]/\\\0/g'
471 }
472
473 sh_quote(){
474     v=$(echo "$1" | sed "s/'/'\\\\''/g")
475     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
476     echo "$v"
477 }
478
479 cleanws(){
480     echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
481 }
482
483 filter(){
484     pat=$1
485     shift
486     for v; do
487         eval "case $v in $pat) echo $v ;; esac"
488     done
489 }
490
491 filter_out(){
492     pat=$1
493     shift
494     for v; do
495         eval "case $v in $pat) ;; *) echo $v ;; esac"
496     done
497 }
498
499 map(){
500     m=$1
501     shift
502     for v; do eval $m; done
503 }
504
505 add_suffix(){
506     suffix=$1
507     shift
508     for v; do echo ${v}${suffix}; done
509 }
510
511 set_all(){
512     value=$1
513     shift
514     for var in $*; do
515         eval $var=$value
516     done
517 }
518
519 set_weak(){
520     value=$1
521     shift
522     for var; do
523         eval : \${$var:=$value}
524     done
525 }
526
527 sanitize_var_name(){
528     echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
529 }
530
531 set_safe(){
532     var=$1
533     shift
534     eval $(sanitize_var_name "$var")='$*'
535 }
536
537 get_safe(){
538     eval echo \$$(sanitize_var_name "$1")
539 }
540
541 pushvar(){
542     for pvar in $*; do
543         eval level=\${${pvar}_level:=0}
544         eval ${pvar}_${level}="\$$pvar"
545         eval ${pvar}_level=$(($level+1))
546     done
547 }
548
549 popvar(){
550     for pvar in $*; do
551         eval level=\${${pvar}_level:-0}
552         test $level = 0 && continue
553         eval level=$(($level-1))
554         eval $pvar="\${${pvar}_${level}}"
555         eval ${pvar}_level=$level
556         eval unset ${pvar}_${level}
557     done
558 }
559
560 enable(){
561     set_all yes $*
562 }
563
564 disable(){
565     set_all no $*
566 }
567
568 enable_weak(){
569     set_weak yes $*
570 }
571
572 disable_weak(){
573     set_weak no $*
574 }
575
576 enable_safe(){
577     for var; do
578         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
579     done
580 }
581
582 disable_safe(){
583     for var; do
584         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
585     done
586 }
587
588 do_enable_deep(){
589     for var; do
590         enabled $var && continue
591         eval sel="\$${var}_select"
592         eval sgs="\$${var}_suggest"
593         pushvar var sgs
594         enable_deep $sel
595         popvar sgs
596         enable_deep_weak $sgs
597         popvar var
598     done
599 }
600
601 enable_deep(){
602     do_enable_deep $*
603     enable $*
604 }
605
606 enable_deep_weak(){
607     for var; do
608         disabled $var && continue
609         pushvar var
610         do_enable_deep $var
611         popvar var
612         enable_weak $var
613     done
614 }
615
616 enabled(){
617     test "${1#!}" = "$1" && op== || op=!=
618     eval test "x\$${1#!}" $op "xyes"
619 }
620
621 disabled(){
622     test "${1#!}" = "$1" && op== || op=!=
623     eval test "x\$${1#!}" $op "xno"
624 }
625
626 enabled_all(){
627     for opt; do
628         enabled $opt || return 1
629     done
630 }
631
632 disabled_all(){
633     for opt; do
634         disabled $opt || return 1
635     done
636 }
637
638 enabled_any(){
639     for opt; do
640         enabled $opt && return 0
641     done
642 }
643
644 disabled_any(){
645     for opt; do
646         disabled $opt && return 0
647     done
648     return 1
649 }
650
651 set_default(){
652     for opt; do
653         eval : \${$opt:=\$${opt}_default}
654     done
655 }
656
657 is_in(){
658     value=$1
659     shift
660     for var in $*; do
661         [ $var = $value ] && return 0
662     done
663     return 1
664 }
665
666 do_check_deps(){
667     for cfg; do
668         cfg="${cfg#!}"
669         enabled ${cfg}_checking && die "Circular dependency for $cfg."
670         disabled ${cfg}_checking && continue
671         enable ${cfg}_checking
672         append allopts $cfg
673
674         eval dep_all="\$${cfg}_deps"
675         eval dep_any="\$${cfg}_deps_any"
676         eval dep_sel="\$${cfg}_select"
677         eval dep_sgs="\$${cfg}_suggest"
678         eval dep_ifa="\$${cfg}_if"
679         eval dep_ifn="\$${cfg}_if_any"
680
681         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
682         do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
683         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
684
685         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
686         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
687         enabled_all  $dep_all || disable $cfg
688         enabled_any  $dep_any || disable $cfg
689         disabled_any $dep_sel && disable $cfg
690
691         if enabled $cfg; then
692             enable_deep $dep_sel
693             enable_deep_weak $dep_sgs
694         fi
695
696         disable ${cfg}_checking
697     done
698 }
699
700 check_deps(){
701     unset allopts
702
703     do_check_deps "$@"
704
705     for cfg in $allopts; do
706         enabled $cfg || continue
707         eval dep_extralibs="\$${cfg}_extralibs"
708         test -n "$dep_extralibs" && add_extralibs $dep_extralibs
709     done
710 }
711
712 print_config(){
713     pfx=$1
714     files=$2
715     shift 2
716     map 'eval echo "$v \${$v:-no}"' "$@" |
717     awk "BEGIN { split(\"$files\", files) }
718         {
719             c = \"$pfx\" toupper(\$1);
720             v = \$2;
721             sub(/yes/, 1, v);
722             sub(/no/,  0, v);
723             for (f in files) {
724                 file = files[f];
725                 if (file ~ /\\.h\$/) {
726                     printf(\"#define %s %d\\n\", c, v) >>file;
727                 } else if (file ~ /\\.asm\$/) {
728                     printf(\"%%define %s %d\\n\", c, v) >>file;
729                 } else if (file ~ /\\.mak\$/) {
730                     n = -v ? \"\" : \"!\";
731                     printf(\"%s%s=yes\\n\", n, c) >>file;
732                 } else if (file ~ /\\.texi\$/) {
733                     pre = -v ? \"\" : \"@c \";
734                     yesno = \$2;
735                     c2 = tolower(c);
736                     gsub(/_/, \"-\", c2);
737                     printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
738                 }
739             }
740         }"
741 }
742
743 print_enabled(){
744     suf=$1
745     shift
746     for v; do
747         enabled $v && printf "%s\n" ${v%$suf};
748     done
749 }
750
751 append(){
752     var=$1
753     shift
754     eval "$var=\"\$$var $*\""
755 }
756
757 prepend(){
758     var=$1
759     shift
760     eval "$var=\"$* \$$var\""
761 }
762
763 unique(){
764     var=$1
765     uniq_list=""
766     for tok in $(eval echo \$$var); do
767         uniq_list="$(filter_out $tok $uniq_list) $tok"
768     done
769     eval "$var=\"${uniq_list}\""
770 }
771
772 add_cppflags(){
773     append CPPFLAGS "$@"
774 }
775
776 add_cflags(){
777     append CFLAGS $($cflags_filter "$@")
778 }
779
780 add_cxxflags(){
781     append CXXFLAGS $($cflags_filter "$@")
782 }
783
784 add_asflags(){
785     append ASFLAGS $($asflags_filter "$@")
786 }
787
788 add_ldflags(){
789     append LDFLAGS $($ldflags_filter "$@")
790 }
791
792 add_ldexeflags(){
793     append LDEXEFLAGS $($ldflags_filter "$@")
794 }
795
796 add_ldlibflags(){
797     append LDLIBFLAGS $($ldflags_filter "$@")
798 }
799
800 add_stripflags(){
801     append ASMSTRIPFLAGS "$@"
802 }
803
804 add_extralibs(){
805     prepend extralibs $($ldflags_filter "$@")
806 }
807
808 add_host_cppflags(){
809     append host_cppflags "$@"
810 }
811
812 add_host_cflags(){
813     append host_cflags $($host_cflags_filter "$@")
814 }
815
816 add_host_ldflags(){
817     append host_ldflags $($host_ldflags_filter "$@")
818 }
819
820 add_compat(){
821     append compat_objs $1
822     shift
823     map 'add_cppflags -D$v' "$@"
824 }
825
826 check_cmd(){
827     log "$@"
828     "$@" >> $logfile 2>&1
829 }
830
831 check_stat(){
832     log check_stat "$@"
833     stat "$1" >> $logfile 2>&1
834 }
835
836 cc_o(){
837     eval printf '%s\\n' $CC_O
838 }
839
840 cc_e(){
841     eval printf '%s\\n' $CC_E
842 }
843
844 check_cc(){
845     log check_cc "$@"
846     cat > $TMPC
847     log_file $TMPC
848     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
849 }
850
851 check_cxx(){
852     log check_cxx "$@"
853     cat > $TMPCPP
854     log_file $TMPCPP
855     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
856 }
857
858 check_oc(){
859     log check_oc "$@"
860     cat > $TMPM
861     log_file $TMPM
862     check_cmd $cc -Werror=missing-prototypes $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPM
863 }
864
865 check_cpp(){
866     log check_cpp "$@"
867     cat > $TMPC
868     log_file $TMPC
869     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
870 }
871
872 as_o(){
873     eval printf '%s\\n' $AS_O
874 }
875
876 check_as(){
877     log check_as "$@"
878     cat > $TMPS
879     log_file $TMPS
880     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
881 }
882
883 check_inline_asm(){
884     log check_inline_asm "$@"
885     name="$1"
886     code="$2"
887     shift 2
888     disable $name
889     check_cc "$@" <<EOF && enable $name
890 void foo(void){ __asm__ volatile($code); }
891 EOF
892 }
893
894 check_insn(){
895     log check_insn "$@"
896     check_inline_asm ${1}_inline "\"$2\""
897     echo "$2" | check_as && enable ${1}_external || disable ${1}_external
898 }
899
900 check_yasm(){
901     log check_yasm "$@"
902     echo "$1" > $TMPS
903     log_file $TMPS
904     shift 1
905     check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
906 }
907
908 ld_o(){
909     eval printf '%s\\n' $LD_O
910 }
911
912 check_ld(){
913     log check_ld "$@"
914     type=$1
915     shift 1
916     flags=$(filter_out '-l*|*.so' $@)
917     libs=$(filter '-l*|*.so' $@)
918     check_$type $($cflags_filter $flags) || return
919     flags=$($ldflags_filter $flags)
920     libs=$($ldflags_filter $libs)
921     check_cmd $ld $LDFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
922 }
923
924 print_include(){
925     hdr=$1
926     test "${hdr%.h}" = "${hdr}" &&
927         echo "#include $hdr"    ||
928         echo "#include <$hdr>"
929 }
930
931 check_code(){
932     log check_code "$@"
933     check=$1
934     headers=$2
935     code=$3
936     shift 3
937     {
938         for hdr in $headers; do
939             print_include $hdr
940         done
941         echo "int main(void) { $code; return 0; }"
942     } | check_$check "$@"
943 }
944
945 check_cppflags(){
946     log check_cppflags "$@"
947     check_cc "$@" <<EOF && append CPPFLAGS "$@"
948 int x;
949 EOF
950 }
951
952 test_cflags(){
953     log test_cflags "$@"
954     set -- $($cflags_filter "$@")
955     check_cc "$@" <<EOF
956 int x;
957 EOF
958 }
959
960 check_cflags(){
961     log check_cflags "$@"
962     test_cflags "$@" && add_cflags "$@"
963 }
964
965 check_cxxflags(){
966     log check_cxxflags "$@"
967     set -- $($cflags_filter "$@")
968     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
969 int x;
970 EOF
971 }
972
973 test_ldflags(){
974     log test_ldflags "$@"
975     check_ld "cc" "$@" <<EOF
976 int main(void){ return 0; }
977 EOF
978 }
979
980 check_ldflags(){
981     log check_ldflags "$@"
982     test_ldflags "$@" && add_ldflags "$@"
983 }
984
985 test_stripflags(){
986     log test_stripflags "$@"
987     # call check_cc to get a fresh TMPO
988     check_cc <<EOF
989 int main(void) { return 0; }
990 EOF
991     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
992 }
993
994 check_stripflags(){
995     log check_stripflags "$@"
996     test_stripflags "$@" && add_stripflags "$@"
997 }
998
999 check_header(){
1000     log check_header "$@"
1001     header=$1
1002     shift
1003     disable_safe $header
1004     check_cpp "$@" <<EOF && enable_safe $header
1005 #include <$header>
1006 int x;
1007 EOF
1008 }
1009
1010 check_header_oc(){
1011     log check_header_oc "$@"
1012     rm -f -- "$TMPO"
1013     header=$1
1014     shift
1015     disable_safe $header
1016     {
1017        echo "#include <$header>"
1018        echo "int main(void) { return 0; }"
1019     } | check_oc && check_stat "$TMPO" && enable_safe $headers
1020 }
1021
1022 check_func(){
1023     log check_func "$@"
1024     func=$1
1025     shift
1026     disable $func
1027     check_ld "cc" "$@" <<EOF && enable $func
1028 extern int $func();
1029 int main(void){ $func(); }
1030 EOF
1031 }
1032
1033 check_mathfunc(){
1034     log check_mathfunc "$@"
1035     func=$1
1036     narg=$2
1037     shift 2
1038     test $narg = 2 && args="f, g" || args="f"
1039     disable $func
1040     check_ld "cc" "$@" <<EOF && enable $func
1041 #include <math.h>
1042 float foo(float f, float g) { return $func($args); }
1043 int main(void){ return (int) foo; }
1044 EOF
1045 }
1046
1047 check_func_headers(){
1048     log check_func_headers "$@"
1049     headers=$1
1050     funcs=$2
1051     shift 2
1052     {
1053         for hdr in $headers; do
1054             print_include $hdr
1055         done
1056         for func in $funcs; do
1057             echo "long check_$func(void) { return (long) $func; }"
1058         done
1059         echo "int main(void) { return 0; }"
1060     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1061 }
1062
1063 check_class_headers_cpp(){
1064     log check_class_headers_cpp "$@"
1065     headers=$1
1066     classes=$2
1067     shift 2
1068     {
1069         for hdr in $headers; do
1070             echo "#include <$hdr>"
1071         done
1072         echo "int main(void) { "
1073         i=1
1074         for class in $classes; do
1075             echo "$class obj$i;"
1076             i=$(expr $i + 1)
1077         done
1078         echo "return 0; }"
1079     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1080 }
1081
1082 check_cpp_condition(){
1083     log check_cpp_condition "$@"
1084     header=$1
1085     condition=$2
1086     shift 2
1087     check_cpp "$@" <<EOF
1088 #include <$header>
1089 #if !($condition)
1090 #error "unsatisfied condition: $condition"
1091 #endif
1092 EOF
1093 }
1094
1095 check_lib(){
1096     log check_lib "$@"
1097     header="$1"
1098     func="$2"
1099     shift 2
1100     check_header $header && check_func $func "$@" && add_extralibs "$@"
1101 }
1102
1103 check_lib2(){
1104     log check_lib2 "$@"
1105     headers="$1"
1106     funcs="$2"
1107     shift 2
1108     check_func_headers "$headers" "$funcs" "$@" && add_extralibs "$@"
1109 }
1110
1111 check_lib_cpp(){
1112     log check_lib_cpp "$@"
1113     headers="$1"
1114     classes="$2"
1115     shift 2
1116     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1117 }
1118
1119 check_pkg_config(){
1120     log check_pkg_config "$@"
1121     pkgandversion="$1"
1122     pkg="${1%% *}"
1123     headers="$2"
1124     funcs="$3"
1125     shift 3
1126     check_cmd $pkg_config --exists --print-errors $pkgandversion || return
1127     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1128     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1129     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1130         set_safe "${pkg}_cflags" $pkg_cflags   &&
1131         set_safe "${pkg}_libs"   $pkg_libs
1132 }
1133
1134 check_exec(){
1135     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1136 }
1137
1138 check_exec_crash(){
1139     code=$(cat)
1140
1141     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
1142     # are safe but may not be available everywhere.  Thus we use
1143     # raise(SIGTERM) instead.  The check is run in a subshell so we
1144     # can redirect the "Terminated" message from the shell.  SIGBUS
1145     # is not defined by standard C so it is used conditionally.
1146
1147     (check_exec "$@") >> $logfile 2>&1 <<EOF
1148 #include <signal.h>
1149 static void sighandler(int sig){
1150     raise(SIGTERM);
1151 }
1152 int foo(void){
1153     $code
1154 }
1155 int (*func_ptr)(void) = foo;
1156 int main(void){
1157     signal(SIGILL, sighandler);
1158     signal(SIGFPE, sighandler);
1159     signal(SIGSEGV, sighandler);
1160 #ifdef SIGBUS
1161     signal(SIGBUS, sighandler);
1162 #endif
1163     return func_ptr();
1164 }
1165 EOF
1166 }
1167
1168 check_type(){
1169     log check_type "$@"
1170     headers=$1
1171     type=$2
1172     shift 2
1173     disable_safe "$type"
1174     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1175 }
1176
1177 check_struct(){
1178     log check_struct "$@"
1179     headers=$1
1180     struct=$2
1181     member=$3
1182     shift 3
1183     disable_safe "${struct}_${member}"
1184     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1185         enable_safe "${struct}_${member}"
1186 }
1187
1188 check_builtin(){
1189     log check_builtin "$@"
1190     name=$1
1191     headers=$2
1192     builtin=$3
1193     shift 3
1194     disable "$name"
1195     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1196 }
1197
1198 check_compile_assert(){
1199     log check_compile_assert "$@"
1200     name=$1
1201     headers=$2
1202     condition=$3
1203     shift 3
1204     disable "$name"
1205     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1206 }
1207
1208 require(){
1209     name="$1"
1210     header="$2"
1211     func="$3"
1212     shift 3
1213     check_lib $header $func "$@" || die "ERROR: $name not found"
1214 }
1215
1216 require2(){
1217     name="$1"
1218     headers="$2"
1219     func="$3"
1220     shift 3
1221     check_lib2 "$headers" $func "$@" || die "ERROR: $name not found"
1222 }
1223
1224 require_cpp(){
1225     name="$1"
1226     headers="$2"
1227     classes="$3"
1228     shift 3
1229     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1230 }
1231
1232 use_pkg_config(){
1233     pkg="$1"
1234     check_pkg_config "$@" || return 1
1235     add_cflags    $(get_safe "${pkg}_cflags")
1236     add_extralibs $(get_safe "${pkg}_libs")
1237 }
1238
1239 require_pkg_config(){
1240     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1241 }
1242
1243 require_libfreetype(){
1244     log require_libfreetype "$@"
1245     pkg="freetype2"
1246     check_cmd $pkg_config --exists --print-errors $pkg \
1247       || die "ERROR: $pkg not found"
1248     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1249     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1250     {
1251         echo "#include <ft2build.h>"
1252         echo "#include FT_FREETYPE_H"
1253         echo "long check_func(void) { return (long) FT_Init_FreeType; }"
1254         echo "int main(void) { return 0; }"
1255     } | check_ld "cc" $pkg_cflags $pkg_libs \
1256       && set_safe "${pkg}_cflags" $pkg_cflags \
1257       && set_safe "${pkg}_libs"   $pkg_libs \
1258       || die "ERROR: $pkg not found"
1259     add_cflags    $(get_safe "${pkg}_cflags")
1260     add_extralibs $(get_safe "${pkg}_libs")
1261 }
1262
1263 hostcc_e(){
1264     eval printf '%s\\n' $HOSTCC_E
1265 }
1266
1267 hostcc_o(){
1268     eval printf '%s\\n' $HOSTCC_O
1269 }
1270
1271 check_host_cc(){
1272     log check_host_cc "$@"
1273     cat > $TMPC
1274     log_file $TMPC
1275     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1276 }
1277
1278 check_host_cpp(){
1279     log check_host_cpp "$@"
1280     cat > $TMPC
1281     log_file $TMPC
1282     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1283 }
1284
1285 check_host_cppflags(){
1286     log check_host_cppflags "$@"
1287     check_host_cc "$@" <<EOF && append host_cppflags "$@"
1288 int x;
1289 EOF
1290 }
1291
1292 check_host_cflags(){
1293     log check_host_cflags "$@"
1294     set -- $($host_cflags_filter "$@")
1295     check_host_cc "$@" <<EOF && append host_cflags "$@"
1296 int x;
1297 EOF
1298 }
1299
1300 check_host_cpp_condition(){
1301     log check_host_cpp_condition "$@"
1302     header=$1
1303     condition=$2
1304     shift 2
1305     check_host_cpp "$@" <<EOF
1306 #include <$header>
1307 #if !($condition)
1308 #error "unsatisfied condition: $condition"
1309 #endif
1310 EOF
1311 }
1312
1313 apply(){
1314     file=$1
1315     shift
1316     "$@" < "$file" > "$file.tmp" && mv "$file.tmp" "$file" || rm "$file.tmp"
1317 }
1318
1319 cp_if_changed(){
1320     cmp -s "$1" "$2" && echo "$2 is unchanged" && return
1321     mkdir -p "$(dirname $2)"
1322     $cp_f "$1" "$2"
1323 }
1324
1325 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1326 # system-dependent things.
1327
1328 COMPONENT_LIST="
1329     bsfs
1330     decoders
1331     demuxers
1332     encoders
1333     filters
1334     hwaccels
1335     indevs
1336     muxers
1337     outdevs
1338     parsers
1339     protocols
1340 "
1341
1342 EXAMPLE_LIST="
1343     avio_reading_example
1344     avio_list_dir_example
1345     decoding_encoding_example
1346     demuxing_decoding_example
1347     extract_mvs_example
1348     filter_audio_example
1349     filtering_audio_example
1350     filtering_video_example
1351     metadata_example
1352     muxing_example
1353     qsvdec_example
1354     remuxing_example
1355     resampling_audio_example
1356     scaling_video_example
1357     transcode_aac_example
1358     transcoding_example
1359 "
1360
1361 EXTERNAL_LIBRARY_LIST="
1362     avisynth
1363     bzlib
1364     crystalhd
1365     decklink
1366     frei0r
1367     gnutls
1368     iconv
1369     ladspa
1370     libaacplus
1371     libass
1372     libbluray
1373     libbs2b
1374     libcaca
1375     libcdio
1376     libcelt
1377     libdc1394
1378     libdcadec
1379     libfaac
1380     libfdk_aac
1381     libflite
1382     libfontconfig
1383     libfreetype
1384     libfribidi
1385     libgme
1386     libgsm
1387     libiec61883
1388     libilbc
1389     libmfx
1390     libmodplug
1391     libmp3lame
1392     libnut
1393     libopencore_amrnb
1394     libopencore_amrwb
1395     libopencv
1396     libopenh264
1397     libopenjpeg
1398     libopus
1399     libpulse
1400     libquvi
1401     librtmp
1402     libschroedinger
1403     libshine
1404     libsmbclient
1405     libsnappy
1406     libsoxr
1407     libspeex
1408     libssh
1409     libstagefright_h264
1410     libtheora
1411     libtwolame
1412     libutvideo
1413     libv4l2
1414     libvidstab
1415     libvo_aacenc
1416     libvo_amrwbenc
1417     libvorbis
1418     libvpx
1419     libwavpack
1420     libwebp
1421     libx264
1422     libx265
1423     libxavs
1424     libxcb
1425     libxcb_shm
1426     libxcb_shape
1427     libxcb_xfixes
1428     libxvid
1429     libzmq
1430     libzvbi
1431     lzma
1432     mmal
1433     nvenc
1434     openal
1435     opencl
1436     opengl
1437     openssl
1438     sdl
1439     securetransport
1440     x11grab
1441     xlib
1442     zlib
1443 "
1444
1445 DOCUMENT_LIST="
1446     doc
1447     htmlpages
1448     manpages
1449     podpages
1450     txtpages
1451 "
1452
1453 FEATURE_LIST="
1454     ftrapv
1455     gray
1456     hardcoded_tables
1457     runtime_cpudetect
1458     safe_bitstream_reader
1459     shared
1460     small
1461     static
1462     swscale_alpha
1463 "
1464
1465 HWACCEL_LIST="
1466     d3d11va
1467     dxva2
1468     vaapi
1469     vda
1470     vdpau
1471     xvmc
1472 "
1473
1474 LIBRARY_LIST="
1475     avcodec
1476     avdevice
1477     avfilter
1478     avformat
1479     avresample
1480     avutil
1481     postproc
1482     swresample
1483     swscale
1484 "
1485
1486 LICENSE_LIST="
1487     gpl
1488     nonfree
1489     version3
1490 "
1491
1492 PROGRAM_LIST="
1493     ffplay
1494     ffprobe
1495     ffserver
1496     ffmpeg
1497 "
1498
1499 SUBSYSTEM_LIST="
1500     dct
1501     dwt
1502     error_resilience
1503     faan
1504     fast_unaligned
1505     fft
1506     lsp
1507     lzo
1508     mdct
1509     pixelutils
1510     network
1511     rdft
1512 "
1513
1514 CONFIG_LIST="
1515     $COMPONENT_LIST
1516     $DOCUMENT_LIST
1517     $EXAMPLE_LIST
1518     $EXTERNAL_LIBRARY_LIST
1519     $FEATURE_LIST
1520     $HWACCEL_LIST
1521     $LICENSE_LIST
1522     $LIBRARY_LIST
1523     $PROGRAM_LIST
1524     $SUBSYSTEM_LIST
1525     fontconfig
1526     incompatible_libav_abi
1527     memalign_hack
1528     memory_poisoning
1529     neon_clobber_test
1530     pic
1531     pod2man
1532     raise_major
1533     thumb
1534     valgrind_backtrace
1535     xmm_clobber_test
1536 "
1537
1538 THREADS_LIST="
1539     pthreads
1540     os2threads
1541     w32threads
1542 "
1543
1544 ATOMICS_LIST="
1545     atomics_gcc
1546     atomics_suncc
1547     atomics_win32
1548 "
1549
1550 ARCH_LIST="
1551     aarch64
1552     alpha
1553     arm
1554     avr32
1555     avr32_ap
1556     avr32_uc
1557     bfin
1558     ia64
1559     m68k
1560     mips
1561     mips64
1562     parisc
1563     ppc
1564     ppc64
1565     s390
1566     sh4
1567     sparc
1568     sparc64
1569     tilegx
1570     tilepro
1571     tomi
1572     x86
1573     x86_32
1574     x86_64
1575 "
1576
1577 ARCH_EXT_LIST_ARM="
1578     armv5te
1579     armv6
1580     armv6t2
1581     armv8
1582     neon
1583     vfp
1584     vfpv3
1585     setend
1586 "
1587
1588 ARCH_EXT_LIST_MIPS="
1589     mipsfpu
1590     mips32r2
1591     mips32r5
1592     mips64r6
1593     mipsdspr1
1594     mipsdspr2
1595     msa
1596 "
1597
1598 ARCH_EXT_LIST_LOONGSON="
1599     loongson2
1600     loongson3
1601     mmi
1602 "
1603
1604 ARCH_EXT_LIST_X86_SIMD="
1605     amd3dnow
1606     amd3dnowext
1607     avx
1608     avx2
1609     fma3
1610     fma4
1611     mmx
1612     mmxext
1613     sse
1614     sse2
1615     sse3
1616     sse4
1617     sse42
1618     ssse3
1619     xop
1620 "
1621
1622 ARCH_EXT_LIST_PPC="
1623     altivec
1624     dcbzl
1625     ldbrx
1626     power8
1627     ppc4xx
1628     vsx
1629 "
1630
1631 ARCH_EXT_LIST_X86="
1632     $ARCH_EXT_LIST_X86_SIMD
1633     cpunop
1634     i686
1635 "
1636
1637 ARCH_EXT_LIST="
1638     $ARCH_EXT_LIST_ARM
1639     $ARCH_EXT_LIST_PPC
1640     $ARCH_EXT_LIST_X86
1641     $ARCH_EXT_LIST_MIPS
1642     $ARCH_EXT_LIST_LOONGSON
1643 "
1644
1645 ARCH_FEATURES="
1646     aligned_stack
1647     fast_64bit
1648     fast_clz
1649     fast_cmov
1650     local_aligned_8
1651     local_aligned_16
1652     local_aligned_32
1653     simd_align_16
1654 "
1655
1656 BUILTIN_LIST="
1657     atomic_cas_ptr
1658     atomic_compare_exchange
1659     machine_rw_barrier
1660     MemoryBarrier
1661     mm_empty
1662     rdtsc
1663     sarestart
1664     sync_val_compare_and_swap
1665 "
1666 HAVE_LIST_CMDLINE="
1667     inline_asm
1668     symver
1669     yasm
1670 "
1671
1672 HAVE_LIST_PUB="
1673     bigendian
1674     fast_unaligned
1675     incompatible_libav_abi
1676 "
1677
1678 HEADERS_LIST="
1679     alsa_asoundlib_h
1680     altivec_h
1681     arpa_inet_h
1682     asm_types_h
1683     cdio_paranoia_h
1684     cdio_paranoia_paranoia_h
1685     dev_bktr_ioctl_bt848_h
1686     dev_bktr_ioctl_meteor_h
1687     dev_ic_bt8xx_h
1688     dev_video_bktr_ioctl_bt848_h
1689     dev_video_meteor_ioctl_meteor_h
1690     direct_h
1691     dlfcn_h
1692     d3d11_h
1693     dxva_h
1694     ES2_gl_h
1695     gsm_h
1696     io_h
1697     mach_mach_time_h
1698     machine_ioctl_bt848_h
1699     machine_ioctl_meteor_h
1700     malloc_h
1701     openjpeg_1_5_openjpeg_h
1702     OpenGL_gl3_h
1703     poll_h
1704     sndio_h
1705     soundcard_h
1706     sys_mman_h
1707     sys_param_h
1708     sys_resource_h
1709     sys_select_h
1710     sys_soundcard_h
1711     sys_time_h
1712     sys_un_h
1713     sys_videoio_h
1714     termios_h
1715     udplite_h
1716     unistd_h
1717     valgrind_valgrind_h
1718     windows_h
1719     winsock2_h
1720 "
1721
1722 INTRINSICS_LIST="
1723     intrinsics_neon
1724 "
1725
1726 MATH_FUNCS="
1727     atanf
1728     atan2f
1729     cbrt
1730     cbrtf
1731     cosf
1732     exp2
1733     exp2f
1734     expf
1735     isinf
1736     isnan
1737     ldexpf
1738     llrint
1739     llrintf
1740     log2
1741     log2f
1742     log10f
1743     lrint
1744     lrintf
1745     powf
1746     rint
1747     round
1748     roundf
1749     sinf
1750     trunc
1751     truncf
1752 "
1753
1754 SYSTEM_FUNCS="
1755     access
1756     aligned_malloc
1757     clock_gettime
1758     closesocket
1759     CommandLineToArgvW
1760     CoTaskMemFree
1761     CryptGenRandom
1762     dlopen
1763     fcntl
1764     flt_lim
1765     fork
1766     getaddrinfo
1767     gethrtime
1768     getopt
1769     GetProcessAffinityMask
1770     GetProcessMemoryInfo
1771     GetProcessTimes
1772     getrusage
1773     getservbyport
1774     GetSystemTimeAsFileTime
1775     gettimeofday
1776     glob
1777     glXGetProcAddress
1778     gmtime_r
1779     inet_aton
1780     isatty
1781     jack_port_get_latency_range
1782     kbhit
1783     localtime_r
1784     lzo1x_999_compress
1785     mach_absolute_time
1786     MapViewOfFile
1787     memalign
1788     mkstemp
1789     mmap
1790     mprotect
1791     nanosleep
1792     PeekNamedPipe
1793     posix_memalign
1794     pthread_cancel
1795     sched_getaffinity
1796     SetConsoleTextAttribute
1797     SetConsoleCtrlHandler
1798     setmode
1799     setrlimit
1800     Sleep
1801     strerror_r
1802     sysconf
1803     sysctl
1804     usleep
1805     VirtualAlloc
1806     wglGetProcAddress
1807 "
1808
1809 TOOLCHAIN_FEATURES="
1810     as_dn_directive
1811     as_func
1812     as_object_arch
1813     asm_mod_q
1814     attribute_may_alias
1815     attribute_packed
1816     ebp_available
1817     ebx_available
1818     gnu_as
1819     gnu_windres
1820     ibm_asm
1821     inline_asm_labels
1822     inline_asm_nonlocal_labels
1823     inline_asm_direct_symbol_refs
1824     pragma_deprecated
1825     rsync_contimeout
1826     symver_asm_label
1827     symver_gnu_asm
1828     vfp_args
1829     xform_asm
1830     xmm_clobbers
1831 "
1832
1833 TYPES_LIST="
1834     CONDITION_VARIABLE_Ptr
1835     socklen_t
1836     struct_addrinfo
1837     struct_dcadec_exss_info_matrix_encoding
1838     struct_group_source_req
1839     struct_ip_mreq_source
1840     struct_ipv6_mreq
1841     struct_pollfd
1842     struct_rusage_ru_maxrss
1843     struct_sctp_event_subscribe
1844     struct_sockaddr_in6
1845     struct_sockaddr_sa_len
1846     struct_sockaddr_storage
1847     struct_stat_st_mtim_tv_nsec
1848     struct_v4l2_frmivalenum_discrete
1849 "
1850
1851 HAVE_LIST="
1852     $ARCH_EXT_LIST
1853     $(add_suffix _external $ARCH_EXT_LIST)
1854     $(add_suffix _inline   $ARCH_EXT_LIST)
1855     $ARCH_FEATURES
1856     $ATOMICS_LIST
1857     $BUILTIN_LIST
1858     $HAVE_LIST_CMDLINE
1859     $HAVE_LIST_PUB
1860     $HEADERS_LIST
1861     $INTRINSICS_LIST
1862     $MATH_FUNCS
1863     $SYSTEM_FUNCS
1864     $THREADS_LIST
1865     $TOOLCHAIN_FEATURES
1866     $TYPES_LIST
1867     atomics_native
1868     dos_paths
1869     dxva2api_cobj
1870     dxva2_lib
1871     libc_msvcrt
1872     libdc1394_1
1873     libdc1394_2
1874     makeinfo
1875     makeinfo_html
1876     perl
1877     pod2man
1878     sdl
1879     section_data_rel_ro
1880     texi2html
1881     threads
1882     vaapi_x11
1883     vdpau_x11
1884     xlib
1885 "
1886
1887 # options emitted with CONFIG_ prefix but not available on the command line
1888 CONFIG_EXTRA="
1889     aandcttables
1890     ac3dsp
1891     audio_frame_queue
1892     audiodsp
1893     blockdsp
1894     bswapdsp
1895     cabac
1896     dvprofile
1897     exif
1898     faandct
1899     faanidct
1900     fdctdsp
1901     fmtconvert
1902     frame_thread_encoder
1903     gcrypt
1904     gmp
1905     golomb
1906     gplv3
1907     h263dsp
1908     h264chroma
1909     h264dsp
1910     h264pred
1911     h264qpel
1912     hpeldsp
1913     huffman
1914     huffyuvdsp
1915     huffyuvencdsp
1916     idctdsp
1917     iirfilter
1918     imdct15
1919     intrax8
1920     jpegtables
1921     lgplv3
1922     llauddsp
1923     llviddsp
1924     lpc
1925     me_cmp
1926     mpeg_er
1927     mpegaudio
1928     mpegaudiodsp
1929     mpegvideo
1930     mpegvideoenc
1931     pixblockdsp
1932     qpeldsp
1933     qsv
1934     qsvdec
1935     qsvenc
1936     rangecoder
1937     riffdec
1938     riffenc
1939     rtpdec
1940     rtpenc_chain
1941     sinewin
1942     snappy
1943     startcode
1944     texturedsp
1945     texturedspenc
1946     tpeldsp
1947     videodsp
1948     vp3dsp
1949     wma_freqs
1950 "
1951
1952 CMDLINE_SELECT="
1953     $ARCH_EXT_LIST
1954     $CONFIG_LIST
1955     $HAVE_LIST_CMDLINE
1956     $THREADS_LIST
1957     asm
1958     cross_compile
1959     debug
1960     extra_warnings
1961     logging
1962     lto
1963     optimizations
1964     rpath
1965     stripping
1966 "
1967
1968 PATHS_LIST="
1969     bindir
1970     datadir
1971     docdir
1972     incdir
1973     libdir
1974     mandir
1975     pkgconfigdir
1976     prefix
1977     shlibdir
1978 "
1979
1980 CMDLINE_SET="
1981     $PATHS_LIST
1982     ar
1983     arch
1984     as
1985     assert_level
1986     build_suffix
1987     cc
1988     cpu
1989     cross_prefix
1990     cxx
1991     dep_cc
1992     doxygen
1993     env
1994     extra_version
1995     gas
1996     host_cc
1997     host_cflags
1998     host_ld
1999     host_ldflags
2000     host_libs
2001     host_os
2002     install
2003     ld
2004     logfile
2005     malloc_prefix
2006     nm
2007     optflags
2008     pkg_config
2009     pkg_config_flags
2010     progs_suffix
2011     random_seed
2012     ranlib
2013     samples
2014     strip
2015     sws_max_filter_size
2016     sysinclude
2017     sysroot
2018     target_exec
2019     target_os
2020     target_path
2021     target_samples
2022     tempprefix
2023     toolchain
2024     valgrind
2025     yasmexe
2026 "
2027
2028 CMDLINE_APPEND="
2029     extra_cflags
2030     extra_cxxflags
2031     host_cppflags
2032 "
2033
2034 # code dependency declarations
2035
2036 # architecture extensions
2037
2038 armv5te_deps="arm"
2039 armv6_deps="arm"
2040 armv6t2_deps="arm"
2041 armv8_deps="aarch64"
2042 neon_deps_any="aarch64 arm"
2043 intrinsics_neon_deps="neon"
2044 vfp_deps_any="aarch64 arm"
2045 vfpv3_deps="vfp"
2046 setend_deps="arm"
2047
2048 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2049
2050 mipsfpu_deps="mips"
2051 mipsdspr1_deps="mips"
2052 mipsdspr2_deps="mips"
2053 mips32r2_deps="mips"
2054 mips32r5_deps="mips"
2055 mips64r6_deps="mips"
2056 msa_deps="mips"
2057 mmi_deps="mips"
2058
2059 altivec_deps="ppc"
2060 dcbzl_deps="ppc"
2061 ldbrx_deps="ppc"
2062 ppc4xx_deps="ppc"
2063 vsx_deps="altivec"
2064 power8_deps="vsx"
2065
2066 cpunop_deps="i686"
2067 x86_64_select="i686"
2068 x86_64_suggest="fast_cmov"
2069
2070 amd3dnow_deps="mmx"
2071 amd3dnowext_deps="amd3dnow"
2072 i686_deps="x86"
2073 mmx_deps="x86"
2074 mmxext_deps="mmx"
2075 sse_deps="mmxext"
2076 sse2_deps="sse"
2077 sse3_deps="sse2"
2078 ssse3_deps="sse3"
2079 sse4_deps="ssse3"
2080 sse42_deps="sse4"
2081 avx_deps="sse42"
2082 xop_deps="avx"
2083 fma3_deps="avx"
2084 fma4_deps="avx"
2085 avx2_deps="avx"
2086
2087 mmx_external_deps="yasm"
2088 mmx_inline_deps="inline_asm"
2089 mmx_suggest="mmx_external mmx_inline"
2090
2091 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2092     eval dep=\$${ext}_deps
2093     eval ${ext}_external_deps='"${dep}_external"'
2094     eval ${ext}_inline_deps='"${dep}_inline"'
2095     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2096 done
2097
2098 aligned_stack_if_any="aarch64 ppc x86"
2099 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2100 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2101 fast_unaligned_if_any="aarch64 ppc x86"
2102 simd_align_16_if_any="altivec neon sse"
2103
2104 # system capabilities
2105 symver_if_any="symver_asm_label symver_gnu_asm"
2106 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2107
2108 # threading support
2109 atomics_gcc_if_any="sync_val_compare_and_swap atomic_compare_exchange"
2110 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2111 atomics_win32_if="MemoryBarrier"
2112 atomics_native_if_any="$ATOMICS_LIST"
2113 w32threads_deps="atomics_native"
2114 threads_if_any="$THREADS_LIST"
2115
2116 # subsystems
2117 dct_select="rdft"
2118 error_resilience_select="me_cmp"
2119 faandct_deps="faan fdctdsp"
2120 faanidct_deps="faan idctdsp"
2121 frame_thread_encoder_deps="encoders threads"
2122 intrax8_select="error_resilience"
2123 mdct_select="fft"
2124 rdft_select="fft"
2125 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2126 mpeg_er_select="error_resilience"
2127 mpegaudio_select="mpegaudiodsp"
2128 mpegaudiodsp_select="dct"
2129 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp videodsp"
2130 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2131 qsvdec_select="qsv"
2132 qsvenc_select="qsv"
2133
2134 # decoders / encoders
2135 aac_decoder_select="imdct15 mdct sinewin"
2136 aac_fixed_decoder_select="mdct sinewin"
2137 aac_encoder_select="audio_frame_queue iirfilter mdct sinewin"
2138 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2139 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2140 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2141 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2142 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2143 aic_decoder_select="golomb idctdsp"
2144 alac_encoder_select="lpc"
2145 als_decoder_select="bswapdsp"
2146 amrnb_decoder_select="lsp"
2147 amrwb_decoder_select="lsp"
2148 amv_decoder_select="sp5x_decoder exif"
2149 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2150 ape_decoder_select="bswapdsp llauddsp"
2151 apng_decoder_select="zlib"
2152 apng_encoder_select="huffyuvencdsp zlib"
2153 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2154 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2155 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2156 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2157 atrac1_decoder_select="mdct sinewin"
2158 atrac3_decoder_select="mdct"
2159 atrac3p_decoder_select="mdct sinewin"
2160 avrn_decoder_select="exif jpegtables"
2161 bink_decoder_select="blockdsp hpeldsp"
2162 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2163 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2164 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2165 cllc_decoder_select="bswapdsp"
2166 comfortnoise_encoder_select="lpc"
2167 cook_decoder_select="audiodsp mdct sinewin"
2168 cscd_decoder_select="lzo"
2169 cscd_decoder_suggest="zlib"
2170 dca_decoder_select="fmtconvert mdct"
2171 dds_decoder_select="texturedsp"
2172 dirac_decoder_select="dwt golomb videodsp mpegvideoenc"
2173 dnxhd_decoder_select="blockdsp idctdsp"
2174 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2175 dvvideo_decoder_select="dvprofile idctdsp"
2176 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2177 dxa_decoder_select="zlib"
2178 eac3_decoder_select="ac3_decoder"
2179 eac3_encoder_select="ac3_encoder"
2180 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2181 eatgq_decoder_select="aandcttables"
2182 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpeg1video_decoder"
2183 exr_decoder_select="zlib"
2184 ffv1_decoder_select="golomb rangecoder"
2185 ffv1_encoder_select="rangecoder"
2186 ffvhuff_decoder_select="huffyuv_decoder"
2187 ffvhuff_encoder_select="huffyuv_encoder"
2188 fic_decoder_select="golomb"
2189 flac_decoder_select="golomb"
2190 flac_encoder_select="bswapdsp golomb lpc"
2191 flashsv_decoder_select="zlib"
2192 flashsv_encoder_select="zlib"
2193 flashsv2_encoder_select="zlib"
2194 flashsv2_decoder_select="zlib"
2195 flv_decoder_select="h263_decoder"
2196 flv_encoder_select="h263_encoder"
2197 fourxm_decoder_select="blockdsp bswapdsp"
2198 fraps_decoder_select="bswapdsp huffman"
2199 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2200 g729_decoder_select="audiodsp"
2201 h261_decoder_select="mpeg_er mpegvideo"
2202 h261_encoder_select="aandcttables mpegvideoenc"
2203 h263_decoder_select="error_resilience h263_parser h263dsp mpeg_er mpegvideo qpeldsp"
2204 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2205 h263i_decoder_select="h263_decoder"
2206 h263p_decoder_select="h263_decoder"
2207 h263p_encoder_select="h263_encoder"
2208 h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel startcode videodsp"
2209 h264_decoder_suggest="error_resilience"
2210 h264_qsv_decoder_deps="libmfx"
2211 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2212 h264_qsv_encoder_deps="libmfx"
2213 h264_qsv_encoder_select="qsvenc"
2214 hap_decoder_select="snappy texturedsp"
2215 hap_encoder_deps="libsnappy"
2216 hap_encoder_select="texturedspenc"
2217 hevc_decoder_select="bswapdsp cabac golomb videodsp"
2218 hevc_qsv_encoder_deps="libmfx"
2219 hevc_qsv_encoder_select="qsvenc"
2220 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2221 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llviddsp"
2222 iac_decoder_select="imc_decoder"
2223 imc_decoder_select="bswapdsp fft mdct sinewin"
2224 indeo3_decoder_select="hpeldsp"
2225 interplay_video_decoder_select="hpeldsp"
2226 jpegls_decoder_select="golomb mjpeg_decoder"
2227 jpegls_encoder_select="golomb"
2228 jv_decoder_select="blockdsp"
2229 lagarith_decoder_select="huffyuvdsp"
2230 ljpeg_encoder_select="aandcttables idctdsp jpegtables"
2231 loco_decoder_select="golomb"
2232 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2233 metasound_decoder_select="lsp mdct sinewin"
2234 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2235 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2236 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2237 mjpegb_decoder_select="mjpeg_decoder"
2238 mlp_decoder_select="mlp_parser"
2239 motionpixels_decoder_select="bswapdsp"
2240 mp1_decoder_select="mpegaudio"
2241 mp1float_decoder_select="mpegaudio"
2242 mp2_decoder_select="mpegaudio"
2243 mp2float_decoder_select="mpegaudio"
2244 mp3_decoder_select="mpegaudio"
2245 mp3adu_decoder_select="mpegaudio"
2246 mp3adufloat_decoder_select="mpegaudio"
2247 mp3float_decoder_select="mpegaudio"
2248 mp3on4_decoder_select="mpegaudio"
2249 mp3on4float_decoder_select="mpegaudio"
2250 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2251 mpc8_decoder_select="mpegaudiodsp"
2252 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2253 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2254 mpegvideo_decoder_select="error_resilience mpeg_er mpegvideo"
2255 mpeg1video_decoder_select="error_resilience mpeg_er mpegvideo"
2256 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2257 mpeg2video_decoder_select="error_resilience mpeg_er mpegvideo"
2258 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2259 mpeg2_qsv_encoder_deps="libmfx"
2260 mpeg2_qsv_encoder_select="qsvenc"
2261 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2262 mpeg4_encoder_select="h263_encoder"
2263 msmpeg4v1_decoder_select="h263_decoder"
2264 msmpeg4v2_decoder_select="h263_decoder"
2265 msmpeg4v2_encoder_select="h263_encoder"
2266 msmpeg4v3_decoder_select="h263_decoder"
2267 msmpeg4v3_encoder_select="h263_encoder"
2268 mss2_decoder_select="error_resilience mpeg_er qpeldsp vc1_decoder"
2269 mxpeg_decoder_select="mjpeg_decoder"
2270 nellymoser_decoder_select="mdct sinewin"
2271 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2272 nuv_decoder_select="idctdsp lzo"
2273 on2avc_decoder_select="mdct"
2274 opus_decoder_deps="swresample"
2275 opus_decoder_select="imdct15"
2276 png_decoder_select="zlib"
2277 png_encoder_select="huffyuvencdsp zlib"
2278 prores_decoder_select="blockdsp idctdsp"
2279 prores_encoder_select="fdctdsp"
2280 qcelp_decoder_select="lsp"
2281 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2282 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2283 ra_144_decoder_select="audiodsp"
2284 ralf_decoder_select="golomb"
2285 rawvideo_decoder_select="bswapdsp"
2286 rtjpeg_decoder_select="me_cmp"
2287 rv10_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2288 rv10_encoder_select="h263_encoder"
2289 rv20_decoder_select="error_resilience h263_decoder h263dsp mpeg_er"
2290 rv20_encoder_select="h263_encoder"
2291 rv30_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2292 rv40_decoder_select="error_resilience golomb h264chroma h264pred h264qpel mpeg_er mpegvideo videodsp"
2293 shorten_decoder_select="golomb"
2294 sipr_decoder_select="lsp"
2295 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2296 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2297 sonic_decoder_select="golomb rangecoder"
2298 sonic_encoder_select="golomb rangecoder"
2299 sonic_ls_encoder_select="golomb rangecoder"
2300 sp5x_decoder_select="mjpeg_decoder"
2301 svq1_decoder_select="hpeldsp"
2302 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2303 svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
2304 svq3_decoder_suggest="zlib"
2305 tak_decoder_select="audiodsp"
2306 tdsc_decoder_select="zlib mjpeg_decoder"
2307 theora_decoder_select="vp3_decoder"
2308 thp_decoder_select="mjpeg_decoder"
2309 tiff_decoder_suggest="zlib lzma"
2310 tiff_encoder_suggest="zlib"
2311 truehd_decoder_select="mlp_parser"
2312 truemotion2_decoder_select="bswapdsp"
2313 truespeech_decoder_select="bswapdsp"
2314 tscc_decoder_select="zlib"
2315 twinvq_decoder_select="mdct lsp sinewin"
2316 txd_decoder_select="texturedsp"
2317 utvideo_decoder_select="bswapdsp"
2318 utvideo_encoder_select="bswapdsp huffman huffyuvencdsp"
2319 vble_decoder_select="huffyuvdsp"
2320 vc1_decoder_select="blockdsp error_resilience h263_decoder h264chroma h264qpel intrax8 mpeg_er qpeldsp startcode"
2321 vc1image_decoder_select="vc1_decoder"
2322 vorbis_decoder_select="mdct"
2323 vorbis_encoder_select="mdct"
2324 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2325 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp"
2326 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp"
2327 vp6a_decoder_select="vp6_decoder"
2328 vp6f_decoder_select="vp6_decoder"
2329 vp7_decoder_select="h264pred videodsp"
2330 vp8_decoder_select="h264pred videodsp"
2331 vp9_decoder_select="videodsp vp9_parser"
2332 webp_decoder_select="vp8_decoder"
2333 wmalossless_decoder_select="llauddsp"
2334 wmapro_decoder_select="mdct sinewin wma_freqs"
2335 wmav1_decoder_select="mdct sinewin wma_freqs"
2336 wmav1_encoder_select="mdct sinewin wma_freqs"
2337 wmav2_decoder_select="mdct sinewin wma_freqs"
2338 wmav2_encoder_select="mdct sinewin wma_freqs"
2339 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2340 wmv1_decoder_select="h263_decoder"
2341 wmv1_encoder_select="h263_encoder"
2342 wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
2343 wmv2_encoder_select="h263_encoder"
2344 wmv3_decoder_select="vc1_decoder"
2345 wmv3image_decoder_select="wmv3_decoder"
2346 zerocodec_decoder_select="zlib"
2347 zlib_decoder_select="zlib"
2348 zlib_encoder_select="zlib"
2349 zmbv_decoder_select="zlib"
2350 zmbv_encoder_select="zlib"
2351
2352 # hardware accelerators
2353 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2354 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
2355 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2356 vaapi_deps="va_va_h"
2357 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads"
2358 vda_extralibs="-framework CoreFoundation -framework VideoDecodeAcceleration -framework QuartzCore"
2359 vdpau_deps="vdpau_vdpau_h vdpau_vdpau_x11_h"
2360 xvmc_deps="X11_extensions_XvMClib_h"
2361
2362 h263_vaapi_hwaccel_deps="vaapi"
2363 h263_vaapi_hwaccel_select="h263_decoder"
2364 h263_vdpau_hwaccel_deps="vdpau"
2365 h263_vdpau_hwaccel_select="h263_decoder"
2366 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2367 h264_d3d11va_hwaccel_deps="d3d11va"
2368 h264_d3d11va_hwaccel_select="h264_decoder"
2369 h264_dxva2_hwaccel_deps="dxva2"
2370 h264_dxva2_hwaccel_select="h264_decoder"
2371 h264_mmal_decoder_deps="mmal"
2372 h264_mmal_hwaccel_deps="mmal"
2373 h264_mmal_decoder_select="h264_decoder"
2374 h264_mmal_encoder_deps="mmal"
2375 h264_qsv_hwaccel_deps="libmfx"
2376 h264_vaapi_hwaccel_deps="vaapi"
2377 h264_vaapi_hwaccel_select="h264_decoder"
2378 h264_vda_decoder_deps="vda"
2379 h264_vda_decoder_select="h264_decoder"
2380 h264_vda_hwaccel_deps="vda"
2381 h264_vda_hwaccel_select="h264_decoder"
2382 h264_vda_old_hwaccel_deps="vda"
2383 h264_vda_old_hwaccel_select="h264_decoder"
2384 h264_vdpau_decoder_deps="vdpau"
2385 h264_vdpau_decoder_select="h264_decoder"
2386 h264_vdpau_hwaccel_deps="vdpau"
2387 h264_vdpau_hwaccel_select="h264_decoder"
2388 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2389 hevc_d3d11va_hwaccel_select="hevc_decoder"
2390 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2391 hevc_dxva2_hwaccel_select="hevc_decoder"
2392 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2393 hevc_vdpau_hwaccel_select="hevc_decoder"
2394 mpeg_vdpau_decoder_deps="vdpau"
2395 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2396 mpeg_xvmc_hwaccel_deps="xvmc"
2397 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2398 mpeg1_vdpau_decoder_deps="vdpau"
2399 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2400 mpeg1_vdpau_hwaccel_deps="vdpau"
2401 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2402 mpeg1_xvmc_hwaccel_deps="xvmc"
2403 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2404 mpeg2_crystalhd_decoder_select="crystalhd"
2405 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2406 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2407 mpeg2_dxva2_hwaccel_deps="dxva2"
2408 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2409 mpeg2_vaapi_hwaccel_deps="vaapi"
2410 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2411 mpeg2_vdpau_hwaccel_deps="vdpau"
2412 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2413 mpeg2_xvmc_hwaccel_deps="xvmc"
2414 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2415 mpeg4_crystalhd_decoder_select="crystalhd"
2416 mpeg4_vaapi_hwaccel_deps="vaapi"
2417 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2418 mpeg4_vdpau_decoder_deps="vdpau"
2419 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2420 mpeg4_vdpau_hwaccel_deps="vdpau"
2421 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2422 msmpeg4_crystalhd_decoder_select="crystalhd"
2423 vc1_crystalhd_decoder_select="crystalhd"
2424 vc1_d3d11va_hwaccel_deps="d3d11va"
2425 vc1_d3d11va_hwaccel_select="vc1_decoder"
2426 vc1_dxva2_hwaccel_deps="dxva2"
2427 vc1_dxva2_hwaccel_select="vc1_decoder"
2428 vc1_vaapi_hwaccel_deps="vaapi"
2429 vc1_vaapi_hwaccel_select="vc1_decoder"
2430 vc1_vdpau_decoder_deps="vdpau"
2431 vc1_vdpau_decoder_select="vc1_decoder"
2432 vc1_vdpau_hwaccel_deps="vdpau"
2433 vc1_vdpau_hwaccel_select="vc1_decoder"
2434 wmv3_crystalhd_decoder_select="crystalhd"
2435 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2436 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2437 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2438 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2439 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2440
2441 # parsers
2442 h264_parser_select="h264_decoder"
2443 hevc_parser_select="golomb"
2444 #If ADVANCED_PARSER is enabled then the decoder is needed otherwise the next line can be removed
2445 hevc_parser_select="hevc_decoder"
2446 mpegvideo_parser_select="mpegvideo"
2447 mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
2448 vc1_parser_select="mpegvideo startcode vc1_decoder"
2449
2450 # bitstream_filters
2451 mjpeg2jpeg_bsf_select="jpegtables"
2452
2453 # external libraries
2454 libaacplus_encoder_deps="libaacplus"
2455 libcelt_decoder_deps="libcelt"
2456 libdcadec_decoder_deps="libdcadec"
2457 libfaac_encoder_deps="libfaac"
2458 libfaac_encoder_select="audio_frame_queue"
2459 libfdk_aac_decoder_deps="libfdk_aac"
2460 libfdk_aac_encoder_deps="libfdk_aac"
2461 libfdk_aac_encoder_select="audio_frame_queue"
2462 libgme_demuxer_deps="libgme"
2463 libgsm_decoder_deps="libgsm"
2464 libgsm_encoder_deps="libgsm"
2465 libgsm_ms_decoder_deps="libgsm"
2466 libgsm_ms_encoder_deps="libgsm"
2467 libilbc_decoder_deps="libilbc"
2468 libilbc_encoder_deps="libilbc"
2469 libmodplug_demuxer_deps="libmodplug"
2470 libmp3lame_encoder_deps="libmp3lame"
2471 libmp3lame_encoder_select="audio_frame_queue"
2472 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2473 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2474 libopencore_amrnb_encoder_select="audio_frame_queue"
2475 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2476 libopenh264_encoder_deps="libopenh264"
2477 libopenjpeg_decoder_deps="libopenjpeg"
2478 libopenjpeg_encoder_deps="libopenjpeg"
2479 libopus_decoder_deps="libopus"
2480 libopus_encoder_deps="libopus"
2481 libopus_encoder_select="audio_frame_queue"
2482 libquvi_demuxer_deps="libquvi"
2483 libschroedinger_decoder_deps="libschroedinger"
2484 libschroedinger_encoder_deps="libschroedinger"
2485 libshine_encoder_deps="libshine"
2486 libshine_encoder_select="audio_frame_queue"
2487 libspeex_decoder_deps="libspeex"
2488 libspeex_encoder_deps="libspeex"
2489 libspeex_encoder_select="audio_frame_queue"
2490 libstagefright_h264_decoder_deps="libstagefright_h264"
2491 libtheora_encoder_deps="libtheora"
2492 libtwolame_encoder_deps="libtwolame"
2493 libvo_aacenc_encoder_deps="libvo_aacenc"
2494 libvo_aacenc_encoder_select="audio_frame_queue"
2495 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2496 libvorbis_decoder_deps="libvorbis"
2497 libvorbis_encoder_deps="libvorbis"
2498 libvorbis_encoder_select="audio_frame_queue"
2499 libvpx_vp8_decoder_deps="libvpx"
2500 libvpx_vp8_encoder_deps="libvpx"
2501 libvpx_vp9_decoder_deps="libvpx"
2502 libvpx_vp9_encoder_deps="libvpx"
2503 libwavpack_encoder_deps="libwavpack"
2504 libwebp_encoder_deps="libwebp"
2505 libwebp_anim_encoder_deps="libwebp"
2506 libx264_encoder_deps="libx264"
2507 libx264rgb_encoder_deps="libx264"
2508 libx264rgb_encoder_select="libx264_encoder"
2509 libx265_encoder_deps="libx265"
2510 libxavs_encoder_deps="libxavs"
2511 libxvid_encoder_deps="libxvid"
2512 libutvideo_decoder_deps="libutvideo"
2513 libutvideo_encoder_deps="libutvideo"
2514 libzvbi_teletext_decoder_deps="libzvbi"
2515 nvenc_encoder_deps="nvenc"
2516 nvenc_h264_encoder_deps="nvenc"
2517 nvenc_hevc_encoder_deps="nvenc"
2518
2519 # demuxers / muxers
2520 ac3_demuxer_select="ac3_parser"
2521 asf_demuxer_select="riffdec"
2522 asf_o_demuxer_select="riffdec"
2523 asf_muxer_select="riffenc"
2524 asf_stream_muxer_select="asf_muxer"
2525 avi_demuxer_select="riffdec exif"
2526 avi_muxer_select="riffenc"
2527 avisynth_demuxer_deps="avisynth"
2528 avisynth_demuxer_select="riffdec"
2529 caf_demuxer_select="riffdec"
2530 dash_muxer_select="mp4_muxer"
2531 dirac_demuxer_select="dirac_parser"
2532 dts_demuxer_select="dca_parser"
2533 dtshd_demuxer_select="dca_parser"
2534 dv_demuxer_select="dvprofile"
2535 dv_muxer_select="dvprofile"
2536 dxa_demuxer_select="riffdec"
2537 eac3_demuxer_select="ac3_parser"
2538 f4v_muxer_select="mov_muxer"
2539 flac_demuxer_select="flac_parser"
2540 hds_muxer_select="flv_muxer"
2541 hls_muxer_select="mpegts_muxer"
2542 image2_alias_pix_demuxer_select="image2_demuxer"
2543 image2_brender_pix_demuxer_select="image2_demuxer"
2544 ipod_muxer_select="mov_muxer"
2545 ismv_muxer_select="mov_muxer"
2546 libnut_demuxer_deps="libnut"
2547 libnut_muxer_deps="libnut"
2548 matroska_audio_muxer_select="matroska_muxer"
2549 matroska_demuxer_select="riffdec"
2550 matroska_demuxer_suggest="bzlib lzo zlib"
2551 matroska_muxer_select="riffenc"
2552 mmf_muxer_select="riffenc"
2553 mov_demuxer_select="riffdec"
2554 mov_demuxer_suggest="zlib"
2555 mov_muxer_select="riffenc rtpenc_chain"
2556 mp3_demuxer_select="mpegaudio_parser"
2557 mp4_muxer_select="mov_muxer"
2558 mpegts_muxer_select="adts_muxer latm_muxer"
2559 mpegtsraw_demuxer_select="mpegts_demuxer"
2560 mxf_d10_muxer_select="mxf_muxer"
2561 mxf_opatom_muxer_select="mxf_muxer"
2562 nut_muxer_select="riffenc"
2563 nuv_demuxer_select="riffdec"
2564 oga_muxer_select="ogg_muxer"
2565 ogg_demuxer_select="golomb"
2566 opus_muxer_select="ogg_muxer"
2567 psp_muxer_select="mov_muxer"
2568 rtp_demuxer_select="sdp_demuxer"
2569 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol"
2570 rtsp_demuxer_select="http_protocol rtpdec"
2571 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2572 sap_demuxer_select="sdp_demuxer"
2573 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2574 sdp_demuxer_select="rtpdec"
2575 smoothstreaming_muxer_select="ismv_muxer"
2576 spdif_muxer_select="aac_parser"
2577 spx_muxer_select="ogg_muxer"
2578 tak_demuxer_select="tak_parser"
2579 tg2_muxer_select="mov_muxer"
2580 tgp_muxer_select="mov_muxer"
2581 vobsub_demuxer_select="mpegps_demuxer"
2582 w64_demuxer_select="wav_demuxer"
2583 w64_muxer_select="wav_muxer"
2584 wav_demuxer_select="riffdec"
2585 wav_muxer_select="riffenc"
2586 webm_muxer_select="riffenc"
2587 wtv_demuxer_select="riffdec"
2588 wtv_muxer_select="riffenc"
2589 xmv_demuxer_select="riffdec"
2590 xwma_demuxer_select="riffdec"
2591
2592 # indevs / outdevs
2593 alsa_indev_deps="alsa_asoundlib_h snd_pcm_htimestamp"
2594 alsa_outdev_deps="alsa_asoundlib_h"
2595 avfoundation_indev_extralibs="-framework CoreVideo -framework Foundation -framework AVFoundation -framework CoreMedia"
2596 avfoundation_indev_select="avfoundation"
2597 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2598 caca_outdev_deps="libcaca"
2599 decklink_outdev_deps="decklink pthreads"
2600 decklink_outdev_extralibs="-lstdc++"
2601 decklink_indev_deps="decklink pthreads"
2602 decklink_indev_extralibs="-lstdc++"
2603 dshow_indev_deps="IBaseFilter"
2604 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
2605 dv1394_indev_deps="dv1394"
2606 dv1394_indev_select="dv_demuxer"
2607 fbdev_indev_deps="linux_fb_h"
2608 fbdev_outdev_deps="linux_fb_h"
2609 gdigrab_indev_deps="CreateDIBSection"
2610 gdigrab_indev_extralibs="-lgdi32"
2611 gdigrab_indev_select="bmp_decoder"
2612 iec61883_indev_deps="libiec61883"
2613 jack_indev_deps="jack_jack_h sem_timedwait"
2614 lavfi_indev_deps="avfilter"
2615 libcdio_indev_deps="libcdio"
2616 libdc1394_indev_deps="libdc1394"
2617 libv4l2_indev_deps="libv4l2"
2618 openal_indev_deps="openal"
2619 opengl_outdev_deps="opengl"
2620 oss_indev_deps_any="soundcard_h sys_soundcard_h"
2621 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
2622 pulse_indev_deps="libpulse"
2623 pulse_outdev_deps="libpulse"
2624 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
2625 qtkit_indev_select="qtkit"
2626 sdl_outdev_deps="sdl"
2627 sndio_indev_deps="sndio_h"
2628 sndio_outdev_deps="sndio_h"
2629 v4l_indev_deps="linux_videodev_h"
2630 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
2631 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
2632 vfwcap_indev_deps="capCreateCaptureWindow vfwcap_defines"
2633 vfwcap_indev_extralibs="-lavicap32"
2634 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
2635 xv_outdev_extralibs="-lXv -lX11 -lXext"
2636 x11grab_indev_deps="x11grab"
2637 x11grab_xcb_indev_deps="libxcb"
2638
2639 # protocols
2640 bluray_protocol_deps="libbluray"
2641 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
2642 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
2643 ffrtmpcrypt_protocol_select="tcp_protocol"
2644 ffrtmphttp_protocol_deps="!librtmp_protocol"
2645 ffrtmphttp_protocol_select="http_protocol"
2646 ftp_protocol_select="tcp_protocol"
2647 gopher_protocol_select="network"
2648 http_protocol_select="tcp_protocol"
2649 httpproxy_protocol_select="tcp_protocol"
2650 https_protocol_select="tls_protocol"
2651 icecast_protocol_select="http_protocol"
2652 librtmp_protocol_deps="librtmp"
2653 librtmpe_protocol_deps="librtmp"
2654 librtmps_protocol_deps="librtmp"
2655 librtmpt_protocol_deps="librtmp"
2656 librtmpte_protocol_deps="librtmp"
2657 libsmbclient_protocol_deps="libsmbclient gplv3"
2658 libssh_protocol_deps="libssh"
2659 mmsh_protocol_select="http_protocol"
2660 mmst_protocol_select="network"
2661 rtmp_protocol_deps="!librtmp_protocol"
2662 rtmp_protocol_select="tcp_protocol"
2663 rtmpe_protocol_select="ffrtmpcrypt_protocol"
2664 rtmps_protocol_deps="!librtmp_protocol"
2665 rtmps_protocol_select="tls_protocol"
2666 rtmpt_protocol_select="ffrtmphttp_protocol"
2667 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
2668 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
2669 rtp_protocol_select="udp_protocol"
2670 sctp_protocol_deps="struct_sctp_event_subscribe"
2671 sctp_protocol_select="network"
2672 srtp_protocol_select="rtp_protocol"
2673 tcp_protocol_select="network"
2674 tls_gnutls_protocol_deps="gnutls !tls_securetransport_protocol"
2675 tls_gnutls_protocol_select="tcp_protocol"
2676 tls_openssl_protocol_deps="openssl !tls_securetransport_protocol !tls_gnutls_protocol"
2677 tls_openssl_protocol_select="tcp_protocol"
2678 tls_securetransport_protocol_deps="securetransport"
2679 tls_securetransport_protocol_select="tcp_protocol"
2680 tls_protocol_deps_any="tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
2681 udp_protocol_select="network"
2682 udplite_protocol_select="network"
2683 unix_protocol_deps="sys_un_h"
2684 unix_protocol_select="network"
2685
2686 # filters
2687 amovie_filter_deps="avcodec avformat"
2688 aresample_filter_deps="swresample"
2689 ass_filter_deps="libass"
2690 asyncts_filter_deps="avresample"
2691 atempo_filter_deps="avcodec"
2692 atempo_filter_select="rdft"
2693 azmq_filter_deps="libzmq"
2694 blackframe_filter_deps="gpl"
2695 boxblur_filter_deps="gpl"
2696 bs2b_filter_deps="libbs2b"
2697 colormatrix_filter_deps="gpl"
2698 cover_rect_filter_deps="avcodec avformat gpl"
2699 cropdetect_filter_deps="gpl"
2700 delogo_filter_deps="gpl"
2701 deshake_filter_select="pixelutils"
2702 drawtext_filter_deps="libfreetype"
2703 ebur128_filter_deps="gpl"
2704 eq_filter_deps="gpl"
2705 fftfilt_filter_deps="avcodec"
2706 fftfilt_filter_select="rdft"
2707 flite_filter_deps="libflite"
2708 find_rect_filter_deps="avcodec avformat gpl"
2709 frei0r_filter_deps="frei0r dlopen"
2710 frei0r_src_filter_deps="frei0r dlopen"
2711 fspp_filter_deps="gpl"
2712 geq_filter_deps="gpl"
2713 histeq_filter_deps="gpl"
2714 hqdn3d_filter_deps="gpl"
2715 interlace_filter_deps="gpl"
2716 kerndeint_filter_deps="gpl"
2717 ladspa_filter_deps="ladspa dlopen"
2718 mcdeint_filter_deps="avcodec gpl"
2719 movie_filter_deps="avcodec avformat"
2720 mpdecimate_filter_deps="gpl"
2721 mpdecimate_filter_select="pixelutils"
2722 mptestsrc_filter_deps="gpl"
2723 negate_filter_deps="lut_filter"
2724 perspective_filter_deps="gpl"
2725 pp7_filter_deps="gpl"
2726 ocv_filter_deps="libopencv"
2727 owdenoise_filter_deps="gpl"
2728 pan_filter_deps="swresample"
2729 phase_filter_deps="gpl"
2730 pp_filter_deps="gpl postproc"
2731 pullup_filter_deps="gpl"
2732 removelogo_filter_deps="avcodec avformat swscale"
2733 repeatfields_filter_deps="gpl"
2734 resample_filter_deps="avresample"
2735 sab_filter_deps="gpl swscale"
2736 scale_filter_deps="swscale"
2737 select_filter_select="pixelutils"
2738 smartblur_filter_deps="gpl swscale"
2739 showcqt_filter_deps="avcodec"
2740 showcqt_filter_select="fft"
2741 showspectrum_filter_deps="avcodec"
2742 showspectrum_filter_select="rdft"
2743 spp_filter_deps="gpl avcodec"
2744 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
2745 stereo3d_filter_deps="gpl"
2746 subtitles_filter_deps="avformat avcodec libass"
2747 super2xsai_filter_deps="gpl"
2748 tinterlace_filter_deps="gpl"
2749 vidstabdetect_filter_deps="libvidstab"
2750 vidstabtransform_filter_deps="libvidstab"
2751 pixfmts_super2xsai_test_deps="super2xsai_filter"
2752 tinterlace_merge_test_deps="tinterlace_filter"
2753 tinterlace_pad_test_deps="tinterlace_filter"
2754 uspp_filter_deps="gpl avcodec"
2755 zmq_filter_deps="libzmq"
2756 zoompan_filter_deps="swscale"
2757
2758 # examples
2759 avio_reading="avformat avcodec avutil"
2760 avio_list_dir="avformat avutil"
2761 avcodec_example_deps="avcodec avutil"
2762 decoding_encoding_example_deps="avcodec avformat avutil"
2763 demuxing_decoding_example_deps="avcodec avformat avutil"
2764 extract_mvs_example_deps="avcodec avformat avutil"
2765 filter_audio_example_deps="avfilter avutil"
2766 filtering_audio_example_deps="avfilter avcodec avformat avutil"
2767 filtering_video_example_deps="avfilter avcodec avformat avutil"
2768 metadata_example_deps="avformat avutil"
2769 muxing_example_deps="avcodec avformat avutil swscale"
2770 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder vaapi_x11"
2771 remuxing_example_deps="avcodec avformat avutil"
2772 resampling_audio_example_deps="avutil swresample"
2773 scaling_video_example_deps="avutil swscale"
2774 transcode_aac_example_deps="avcodec avformat swresample"
2775 transcoding_example_deps="avfilter avcodec avformat avutil"
2776
2777 # libraries, in linking order
2778 avcodec_deps="avutil"
2779 avdevice_deps="avformat avcodec avutil"
2780 avfilter_deps="avutil"
2781 avformat_deps="avcodec avutil"
2782 avresample_deps="avutil"
2783 postproc_deps="avutil gpl"
2784 swresample_deps="avutil"
2785 swscale_deps="avutil"
2786
2787 # programs
2788 ffmpeg_deps="avcodec avfilter avformat swresample"
2789 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
2790                null_filter
2791                setpts_filter trim_filter"
2792 ffplay_deps="avcodec avformat swscale swresample sdl"
2793 ffplay_libs='$sdl_libs'
2794 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
2795 ffprobe_deps="avcodec avformat"
2796 ffserver_deps="avformat fork sarestart"
2797 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
2798
2799 # documentation
2800 podpages_deps="perl"
2801 manpages_deps="perl pod2man"
2802 htmlpages_deps="perl"
2803 htmlpages_deps_any="makeinfo_html texi2html"
2804 txtpages_deps="perl makeinfo"
2805 doc_deps_any="manpages htmlpages podpages txtpages"
2806
2807 # default parameters
2808
2809 logfile="config.log"
2810
2811 # installation paths
2812 prefix_default="/usr/local"
2813 bindir_default='${prefix}/bin'
2814 datadir_default='${prefix}/share/ffmpeg'
2815 docdir_default='${prefix}/share/doc/ffmpeg'
2816 incdir_default='${prefix}/include'
2817 libdir_default='${prefix}/lib'
2818 mandir_default='${prefix}/share/man'
2819
2820 # toolchain
2821 ar_default="ar"
2822 cc_default="gcc"
2823 cxx_default="g++"
2824 host_cc_default="gcc"
2825 cp_f="cp -f"
2826 doxygen_default="doxygen"
2827 install="install"
2828 ln_s="ln -s -f"
2829 nm_default="nm -g"
2830 objformat="elf"
2831 pkg_config_default=pkg-config
2832 ranlib_default="ranlib"
2833 strip_default="strip"
2834 yasmexe_default="yasm"
2835 windres_default="windres"
2836
2837 # OS
2838 target_os_default=$(tolower $(uname -s))
2839 host_os=$target_os_default
2840
2841 # machine
2842 if test "$target_os_default" = aix; then
2843     arch_default=$(uname -p)
2844     strip_default="strip -X32_64"
2845 else
2846     arch_default=$(uname -m)
2847 fi
2848 cpu="generic"
2849 intrinsics="none"
2850
2851 # configurable options
2852 enable $PROGRAM_LIST
2853 enable $DOCUMENT_LIST
2854 enable $EXAMPLE_LIST
2855 enable $(filter_out avresample $LIBRARY_LIST)
2856 enable stripping
2857
2858 enable asm
2859 enable debug
2860 enable doc
2861 enable faan faandct faanidct
2862 enable optimizations
2863 enable runtime_cpudetect
2864 enable safe_bitstream_reader
2865 enable static
2866 enable swscale_alpha
2867 enable valgrind_backtrace
2868
2869 sws_max_filter_size_default=256
2870 set_default sws_max_filter_size
2871
2872 # Enable hwaccels by default.
2873 enable d3d11va dxva2 vaapi vda vdpau xvmc
2874 enable xlib
2875
2876 # build settings
2877 SHFLAGS='-shared -Wl,-soname,$$(@F)'
2878 LIBPREF="lib"
2879 LIBSUF=".a"
2880 FULLNAME='$(NAME)$(BUILDSUF)'
2881 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
2882 SLIBPREF="lib"
2883 SLIBSUF=".so"
2884 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
2885 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
2886 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
2887 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
2888 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
2889 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
2890
2891 asflags_filter=echo
2892 cflags_filter=echo
2893 ldflags_filter=echo
2894
2895 AS_C='-c'
2896 AS_O='-o $@'
2897 CC_C='-c'
2898 CC_E='-E -o $@'
2899 CC_O='-o $@'
2900 CXX_C='-c'
2901 CXX_O='-o $@'
2902 LD_O='-o $@'
2903 LD_LIB='-l%'
2904 LD_PATH='-L'
2905 HOSTCC_C='-c'
2906 HOSTCC_E='-E -o $@'
2907 HOSTCC_O='-o $@'
2908 HOSTLD_O='-o $@'
2909
2910 host_libs='-lm'
2911 host_cflags_filter=echo
2912 host_ldflags_filter=echo
2913
2914 target_path='$(CURDIR)'
2915
2916 # since the object filename is not given with the -MM flag, the compiler
2917 # is only able to print the basename, and we must add the path ourselves
2918 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(*F)\\.o,$(@D)/$(*F).o," > $(@:.o=.d)'
2919 DEPFLAGS='-MM'
2920
2921 # find source path
2922 if test -f configure; then
2923     source_path=.
2924 else
2925     source_path=$(cd $(dirname "$0"); pwd)
2926     echo "$source_path" | grep -q '[[:blank:]]' &&
2927         die "Out of tree builds are impossible with whitespace in source path."
2928     test -e "$source_path/config.h" &&
2929         die "Out of tree builds are impossible with config.h in source dir."
2930 fi
2931
2932 for v in "$@"; do
2933     r=${v#*=}
2934     l=${v%"$r"}
2935     r=$(sh_quote "$r")
2936     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
2937 done
2938
2939 find_things(){
2940     thing=$1
2941     pattern=$2
2942     file=$source_path/$3
2943     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
2944 }
2945
2946 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
2947 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
2948 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
2949 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
2950 BSF_LIST=$(find_things      bsf      BSF      libavcodec/allcodecs.c)
2951 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
2952 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
2953 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
2954 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
2955 PROTOCOL_LIST=$(find_things protocol PROTOCOL libavformat/allformats.c)
2956 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
2957
2958 ALL_COMPONENTS="
2959     $BSF_LIST
2960     $DECODER_LIST
2961     $DEMUXER_LIST
2962     $ENCODER_LIST
2963     $FILTER_LIST
2964     $HWACCEL_LIST
2965     $INDEV_LIST
2966     $MUXER_LIST
2967     $OUTDEV_LIST
2968     $PARSER_LIST
2969     $PROTOCOL_LIST
2970 "
2971
2972 for n in $COMPONENT_LIST; do
2973     v=$(toupper ${n%s})_LIST
2974     eval enable \$$v
2975     eval ${n}_if_any="\$$v"
2976 done
2977
2978 enable $ARCH_EXT_LIST
2979
2980 die_unknown(){
2981     echo "Unknown option \"$1\"."
2982     echo "See $0 --help for available options."
2983     exit 1
2984 }
2985
2986 print_3_columns() {
2987     cat | tr ' ' '\n' | sort | pr -r -3 -t
2988 }
2989
2990 show_list() {
2991     suffix=_$1
2992     shift
2993     echo $* | sed s/$suffix//g | print_3_columns
2994     exit 0
2995 }
2996
2997 rand_list(){
2998     IFS=', '
2999     set -- $*
3000     unset IFS
3001     for thing; do
3002         comp=${thing%:*}
3003         prob=${thing#$comp}
3004         prob=${prob#:}
3005         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3006         echo "prob ${prob:-0.5}"
3007         printf '%s\n' $comp
3008     done
3009 }
3010
3011 do_random(){
3012     action=$1
3013     shift
3014     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3015     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3016 }
3017
3018 for opt do
3019     optval="${opt#*=}"
3020     case "$opt" in
3021         --extra-ldflags=*)
3022             add_ldflags $optval
3023         ;;
3024         --extra-ldexeflags=*)
3025             add_ldexeflags $optval
3026         ;;
3027         --extra-ldlibflags=*)
3028             add_ldlibflags $optval
3029         ;;
3030         --extra-libs=*)
3031             add_extralibs $optval
3032         ;;
3033         --disable-devices)
3034             disable $INDEV_LIST $OUTDEV_LIST
3035         ;;
3036         --enable-debug=*)
3037             debuglevel="$optval"
3038         ;;
3039         --disable-programs)
3040             disable $PROGRAM_LIST
3041         ;;
3042         --disable-everything)
3043             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3044         ;;
3045         --disable-all)
3046             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3047             disable $LIBRARY_LIST $PROGRAM_LIST doc
3048         ;;
3049         --enable-random|--disable-random)
3050             action=${opt%%-random}
3051             do_random ${action#--} $COMPONENT_LIST
3052         ;;
3053         --enable-random=*|--disable-random=*)
3054             action=${opt%%-random=*}
3055             do_random ${action#--} $optval
3056         ;;
3057         --enable-*=*|--disable-*=*)
3058             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3059             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3060             eval list=\$$(toupper $thing)_LIST
3061             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3062             list=$(filter "$name" $list)
3063             [ "$list" = "" ] && warn "Option $opt did not match anything"
3064             $action $list
3065         ;;
3066         --enable-?*|--disable-?*)
3067             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3068             if is_in $option $COMPONENT_LIST; then
3069                 test $action = disable && action=unset
3070                 eval $action \$$(toupper ${option%s})_LIST
3071             elif is_in $option $CMDLINE_SELECT; then
3072                 $action $option
3073             else
3074                 die_unknown $opt
3075             fi
3076         ;;
3077         --list-*)
3078             NAME="${opt#--list-}"
3079             is_in $NAME $COMPONENT_LIST || die_unknown $opt
3080             NAME=${NAME%s}
3081             eval show_list $NAME \$$(toupper $NAME)_LIST
3082         ;;
3083         --help|-h) show_help
3084         ;;
3085         --fatal-warnings) enable fatal_warnings
3086         ;;
3087         *)
3088             optname="${opt%%=*}"
3089             optname="${optname#--}"
3090             optname=$(echo "$optname" | sed 's/-/_/g')
3091             if is_in $optname $CMDLINE_SET; then
3092                 eval $optname='$optval'
3093             elif is_in $optname $CMDLINE_APPEND; then
3094                 append $optname "$optval"
3095             else
3096                 die_unknown $opt
3097             fi
3098         ;;
3099     esac
3100 done
3101
3102 for e in $env; do
3103     eval "export $e"
3104 done
3105
3106 disabled logging && logfile=/dev/null
3107
3108 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3109 set >> $logfile
3110
3111 test -n "$valgrind" && toolchain="valgrind-memcheck"
3112
3113 case "$toolchain" in
3114     clang-asan)
3115         cc_default="clang"
3116         add_cflags  -fsanitize=address
3117         add_ldflags -fsanitize=address
3118     ;;
3119     clang-tsan)
3120         cc_default="clang"
3121         add_cflags  -fsanitize=thread -pie
3122         add_ldflags -fsanitize=thread -pie
3123     ;;
3124     clang-usan)
3125         cc_default="clang"
3126         add_cflags  -fsanitize=undefined
3127         add_ldflags -fsanitize=undefined
3128     ;;
3129     gcc-asan)
3130         cc_default="gcc"
3131         add_cflags  -fsanitize=address
3132         add_ldflags -fsanitize=address
3133     ;;
3134     gcc-tsan)
3135         cc_default="gcc"
3136         add_cflags  -fsanitize=thread -pie -fPIC
3137         add_ldflags -fsanitize=thread -pie -fPIC
3138     ;;
3139     gcc-usan)
3140         cc_default="gcc"
3141         add_cflags  -fsanitize=undefined
3142         add_ldflags -fsanitize=undefined
3143     ;;
3144     valgrind-massif)
3145         target_exec_default=${valgrind:-"valgrind"}
3146         target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3147     ;;
3148     valgrind-memcheck)
3149         target_exec_default=${valgrind:-"valgrind"}
3150         target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3151     ;;
3152     msvc)
3153         # Check whether the current MSVC version needs the C99 converter.
3154         # From MSVC 2013 (compiler major version 18) onwards, it does actually
3155         # support enough of C99 to build ffmpeg. Default to the new
3156         # behaviour if the regexp was unable to match anything, since this
3157         # successfully parses the version number of existing supported
3158         # versions that require the converter (MSVC 2010 and 2012).
3159         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3160         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3161             cc_default="cl"
3162         else
3163             cc_default="c99wrap cl"
3164         fi
3165         ld_default="link"
3166         nm_default="dumpbin -symbols"
3167         ar_default="lib"
3168         target_os_default="win32"
3169         # Use a relative path for TMPDIR. This makes sure all the
3170         # ffconf temp files are written with a relative path, avoiding
3171         # issues with msys/win32 path conversion for MSVC parameters
3172         # such as -Fo<file> or -out:<file>.
3173         TMPDIR=.
3174     ;;
3175     icl)
3176         cc_default="icl"
3177         ld_default="xilink"
3178         nm_default="dumpbin -symbols"
3179         ar_default="xilib"
3180         target_os_default="win32"
3181         TMPDIR=.
3182     ;;
3183     gcov)
3184         add_cflags  -fprofile-arcs -ftest-coverage
3185         add_ldflags -fprofile-arcs -ftest-coverage
3186     ;;
3187     hardened)
3188         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3189         add_cflags   -fno-strict-overflow -fstack-protector-all
3190         add_ldflags  -Wl,-z,relro -Wl,-z,now
3191     ;;
3192     ?*)
3193         die "Unknown toolchain $toolchain"
3194     ;;
3195 esac
3196
3197 test -n "$cross_prefix" && enable cross_compile
3198
3199 if enabled cross_compile; then
3200     test -n "$arch" && test -n "$target_os" ||
3201         die "Must specify target arch and OS when cross-compiling"
3202 fi
3203
3204 ar_default="${cross_prefix}${ar_default}"
3205 cc_default="${cross_prefix}${cc_default}"
3206 cxx_default="${cross_prefix}${cxx_default}"
3207 nm_default="${cross_prefix}${nm_default}"
3208 pkg_config_default="${cross_prefix}${pkg_config_default}"
3209 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3210     ranlib_default="${cross_prefix}${ranlib_default} -D"
3211 else
3212     ranlib_default="${cross_prefix}${ranlib_default}"
3213 fi
3214 strip_default="${cross_prefix}${strip_default}"
3215 windres_default="${cross_prefix}${windres_default}"
3216
3217 sysinclude_default="${sysroot}/usr/include"
3218
3219 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3220     target_exec target_os yasmexe
3221 enabled cross_compile || host_cc_default=$cc
3222 set_default host_cc
3223
3224 pkg_config_fail_message=""
3225 if ! $pkg_config --version >/dev/null 2>&1; then
3226     warn "$pkg_config not found, library detection may fail."
3227     pkg_config=false
3228 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3229     pkg_config_fail_message="
3230 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3231 fi
3232
3233 if test $doxygen != $doxygen_default && \
3234   ! $doxygen --version >/dev/null 2>&1; then
3235     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3236 fi
3237
3238 exesuf() {
3239     case $1 in
3240         mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3241     esac
3242 }
3243
3244 EXESUF=$(exesuf $target_os)
3245 HOSTEXESUF=$(exesuf $host_os)
3246
3247 # set temporary file name
3248 : ${TMPDIR:=$TEMPDIR}
3249 : ${TMPDIR:=$TMP}
3250 : ${TMPDIR:=/tmp}
3251
3252 if [ -n "$tempprefix" ] ; then
3253     mktemp(){
3254         echo $tempprefix.${HOSTNAME}.${UID}
3255     }
3256 elif ! check_cmd mktemp -u XXXXXX; then
3257     # simple replacement for missing mktemp
3258     # NOT SAFE FOR GENERAL USE
3259     mktemp(){
3260         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3261     }
3262 fi
3263
3264 tmpfile(){
3265     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3266         (set -C; exec > $tmp) 2>/dev/null ||
3267         die "Unable to create temporary file in $TMPDIR."
3268     append TMPFILES $tmp
3269     eval $1=$tmp
3270 }
3271
3272 trap 'rm -f -- $TMPFILES' EXIT
3273
3274 tmpfile TMPASM .asm
3275 tmpfile TMPC   .c
3276 tmpfile TMPCPP .cpp
3277 tmpfile TMPE   $EXESUF
3278 tmpfile TMPH   .h
3279 tmpfile TMPM   .m
3280 tmpfile TMPO   .o
3281 tmpfile TMPS   .S
3282 tmpfile TMPSH  .sh
3283 tmpfile TMPV   .ver
3284
3285 unset -f mktemp
3286
3287 chmod +x $TMPE
3288
3289 # make sure we can execute files in $TMPDIR
3290 cat > $TMPSH 2>> $logfile <<EOF
3291 #! /bin/sh
3292 EOF
3293 chmod +x $TMPSH >> $logfile 2>&1
3294 if ! $TMPSH >> $logfile 2>&1; then
3295     cat <<EOF
3296 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
3297 variable to another directory and make sure that it is not mounted noexec.
3298 EOF
3299     die "Sanity test failed."
3300 fi
3301
3302 armasm_flags(){
3303     for flag; do
3304         case $flag in
3305             # Filter out MSVC cl.exe options from cflags that shouldn't
3306             # be passed to gas-preprocessor
3307             -M[TD]*)                                            ;;
3308             *)                  echo $flag                      ;;
3309         esac
3310    done
3311 }
3312
3313 ccc_flags(){
3314     for flag; do
3315         case $flag in
3316             -std=c99)           echo -c99                       ;;
3317             -mcpu=*)            echo -arch ${flag#*=}           ;;
3318             -mieee)             echo -ieee                      ;;
3319             -O*|-fast)          echo $flag                      ;;
3320             -fno-math-errno)    echo -assume nomath_errno       ;;
3321             -g)                 echo -g3                        ;;
3322             -Wall)              echo -msg_enable level2         ;;
3323             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;
3324             -Wl,*)              echo $flag                      ;;
3325             -f*|-W*)                                            ;;
3326             *)                  echo $flag                      ;;
3327         esac
3328    done
3329 }
3330
3331 cparser_flags(){
3332     for flag; do
3333         case $flag in
3334             -Wno-switch)             echo -Wno-switch-enum ;;
3335             -Wno-format-zero-length) ;;
3336             -Wdisabled-optimization) ;;
3337             -Wno-pointer-sign)       echo -Wno-other ;;
3338             *)                       echo $flag ;;
3339         esac
3340     done
3341 }
3342
3343 msvc_common_flags(){
3344     for flag; do
3345         case $flag in
3346             # In addition to specifying certain flags under the compiler
3347             # specific filters, they must be specified here as well or else the
3348             # generic catch all at the bottom will print the original flag.
3349             -Wall)                ;;
3350             -std=c99)             ;;
3351             # Common flags
3352             -fomit-frame-pointer) ;;
3353             -g)                   echo -Z7 ;;
3354             -fno-math-errno)      ;;
3355             -fno-common)          ;;
3356             -fno-signed-zeros)    ;;
3357             -fPIC)                ;;
3358             -mthumb)              ;;
3359             -march=*)             ;;
3360             -lz)                  echo zlib.lib ;;
3361             -lavifil32)           echo vfw32.lib ;;
3362             -lavicap32)           echo vfw32.lib user32.lib ;;
3363             -l*)                  echo ${flag#-l}.lib ;;
3364             -L*)                  echo -libpath:${flag#-L} ;;
3365             *)                    echo $flag ;;
3366         esac
3367     done
3368 }
3369
3370 msvc_flags(){
3371     msvc_common_flags "$@"
3372     for flag; do
3373         case $flag in
3374             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \
3375                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3376                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3377                                        -wd4307 \
3378                                        -wd4273 -wd4554 -wd4701 ;;
3379         esac
3380     done
3381 }
3382
3383 icl_flags(){
3384     msvc_common_flags "$@"
3385     for flag; do
3386         case $flag in
3387             # Despite what Intel's documentation says -Wall, which is supported
3388             # on Windows, does enable remarks so disable them here.
3389             -Wall)                echo $flag -Qdiag-disable:remark ;;
3390             -std=c99)             echo -Qstd=c99 ;;
3391             -flto)                echo -ipo ;;
3392         esac
3393     done
3394 }
3395
3396 icc_flags(){
3397     for flag; do
3398         case $flag in
3399             -flto)                echo -ipo ;;
3400             *)                    echo $flag ;;
3401         esac
3402     done
3403 }
3404
3405 pgi_flags(){
3406     for flag; do
3407         case $flag in
3408             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;
3409             -fomit-frame-pointer) echo -Mnoframe ;;
3410             -g)                   echo -gopt ;;
3411             *)                    echo $flag ;;
3412         esac
3413     done
3414 }
3415
3416 suncc_flags(){
3417     for flag; do
3418         case $flag in
3419             -march=*|-mcpu=*)
3420                 case "${flag#*=}" in
3421                     native)                   echo -xtarget=native       ;;
3422                     v9|niagara)               echo -xarch=sparc          ;;
3423                     ultrasparc)               echo -xarch=sparcvis       ;;
3424                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
3425                     i586|pentium)             echo -xchip=pentium        ;;
3426                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
3427                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
3428                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
3429                     pentium4*)          echo -xtarget=pentium4           ;;
3430                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
3431                     *-sse3)             echo -xarch=sse3                 ;;
3432                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
3433                     bonnell)                   echo -xarch=ssse3         ;;
3434                     corei7|nehalem)            echo -xtarget=nehalem     ;;
3435                     westmere)                  echo -xtarget=westmere    ;;
3436                     silvermont)                echo -xarch=sse4_2        ;;
3437                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;
3438                     core-avx*|ivybridge|haswell|broadwell)
3439                                                echo -xarch=avx           ;;
3440                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;
3441                     btver1)                    echo -xarch=amdsse4a      ;;
3442                     btver2|bdver*)             echo -xarch=avx           ;;
3443                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;
3444                     k8|opteron|athlon64|athlon-fx)
3445                                                echo -xarch=sse2a         ;;
3446                     athlon*)                   echo -xarch=pentium_proa  ;;
3447                 esac
3448                 ;;
3449             -std=c99)             echo -xc99              ;;
3450             -fomit-frame-pointer) echo -xregs=frameptr    ;;
3451             -fPIC)                echo -KPIC -xcode=pic32 ;;
3452             -W*,*)                echo $flag              ;;
3453             -f*-*|-W*|-mimpure-text)                      ;;
3454             -shared)              echo -G                 ;;
3455             *)                    echo $flag              ;;
3456         esac
3457     done
3458 }
3459
3460 tms470_flags(){
3461     for flag; do
3462         case $flag in
3463             -march=*|-mcpu=*)
3464                 case "${flag#*=}" in
3465                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
3466                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
3467                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
3468                     armv6*|arm11*)          echo -mv=6   ;;
3469                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3470                                             echo -mv=5e  ;;
3471                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
3472                 esac
3473                 ;;
3474             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
3475             -mfpu=vfp)      echo --float_support=vfpv2        ;;
3476             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
3477             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;
3478             -msoft-float)   echo --float_support=vfplib       ;;
3479             -O[0-3]|-mf=*)  echo $flag                        ;;
3480             -g)             echo -g -mn                       ;;
3481             -pds=*)         echo $flag                        ;;
3482             -D*|-I*)        echo $flag                        ;;
3483             --gcc|--abi=*)  echo $flag                        ;;
3484             -me)            echo $flag                        ;;
3485         esac
3486     done
3487 }
3488
3489 probe_cc(){
3490     pfx=$1
3491     _cc=$2
3492
3493     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
3494     unset _ld_o _ldflags _ld_lib _ld_path
3495     unset _depflags _DEPCMD _DEPFLAGS
3496     _flags_filter=echo
3497
3498     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
3499         true # no-op to avoid reading stdin in following checks
3500     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
3501         _type=llvm_gcc
3502         gcc_extra_ver=$(expr "$($_cc --version | head -n1)" : '.*\((.*)\)')
3503         _ident="llvm-gcc $($_cc -dumpversion) $gcc_extra_ver"
3504         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3505         _cflags_speed='-O3'
3506         _cflags_size='-Os'
3507     elif $_cc -v 2>&1 | grep -qi ^gcc; then
3508         _type=gcc
3509         gcc_version=$($_cc --version | head -n1)
3510         gcc_basever=$($_cc -dumpversion)
3511         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
3512         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
3513         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
3514         if ! $_cc -dumpversion | grep -q '^2\.'; then
3515             _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3516         fi
3517         _cflags_speed='-O3'
3518         _cflags_size='-Os'
3519     elif $_cc --version 2>/dev/null | grep -q ^icc; then
3520         _type=icc
3521         _ident=$($_cc --version | head -n1)
3522         _depflags='-MMD'
3523         _cflags_speed='-O3'
3524         _cflags_size='-Os'
3525         _cflags_noopt='-O1'
3526         _flags_filter=icc_flags
3527     elif $_cc -v 2>&1 | grep -q xlc; then
3528         _type=xlc
3529         _ident=$($_cc -qversion 2>/dev/null | head -n1)
3530         _cflags_speed='-O5'
3531         _cflags_size='-O5 -qcompact'
3532     elif $_cc -V 2>/dev/null | grep -q Compaq; then
3533         _type=ccc
3534         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
3535         _DEPFLAGS='-M'
3536         _cflags_speed='-fast'
3537         _cflags_size='-O1'
3538         _flags_filter=ccc_flags
3539     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
3540         test -d "$sysroot" || die "No valid sysroot specified."
3541         _type=armcc
3542         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
3543         armcc_conf="$PWD/armcc.conf"
3544         $_cc --arm_linux_configure                 \
3545              --arm_linux_config_file="$armcc_conf" \
3546              --configure_sysroot="$sysroot"        \
3547              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
3548              die "Error creating armcc configuration file."
3549         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
3550         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
3551         as_default="${cross_prefix}gcc"
3552         _depflags='-MMD'
3553         _cflags_speed='-O3'
3554         _cflags_size='-Os'
3555     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
3556         _type=tms470
3557         _ident=$($_cc -version | head -n1 | tr -s ' ')
3558         _flags='--gcc --abi=eabi -me'
3559         _cc_e='-ppl -fe=$@'
3560         _cc_o='-fe=$@'
3561         _depflags='-ppa -ppd=$(@:.o=.d)'
3562         _cflags_speed='-O3 -mf=5'
3563         _cflags_size='-O3 -mf=2'
3564         _flags_filter=tms470_flags
3565     elif $_cc -v 2>&1 | grep -q clang; then
3566         _type=clang
3567         _ident=$($_cc --version | head -n1)
3568         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3569         _cflags_speed='-O3'
3570         _cflags_size='-Os'
3571     elif $_cc -V 2>&1 | grep -q Sun; then
3572         _type=suncc
3573         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
3574         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
3575         _DEPFLAGS='-xM1 -xc99'
3576         _ldflags='-std=c99'
3577         _cflags_speed='-O5'
3578         _cflags_size='-O5 -xspace'
3579         _flags_filter=suncc_flags
3580     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
3581         _type=pathscale
3582         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3583         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3584         _cflags_speed='-O2'
3585         _cflags_size='-Os'
3586         _flags_filter='filter_out -Wdisabled-optimization'
3587     elif $_cc -v 2>&1 | grep -q Open64; then
3588         _type=open64
3589         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
3590         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
3591         _cflags_speed='-O2'
3592         _cflags_size='-Os'
3593         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
3594     elif $_cc -V 2>&1 | grep -q Portland; then
3595         _type=pgi
3596         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
3597         opt_common='-alias=ansi -Mdse -Mlre -Mpre'
3598         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
3599         _cflags_size="-O2 -Munroll=c:1 $opt_common"
3600         _cflags_noopt="-O"
3601         _flags_filter=pgi_flags
3602     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
3603         _type=armasm
3604         _ident=$($_cc | head -n1)
3605         # 4509: "This form of conditional instruction is deprecated"
3606         _flags="-nologo -ignore 4509"
3607         _flags_filter=armasm_flags
3608     elif $_cc 2>&1 | grep -q Intel; then
3609         _type=icl
3610         _ident=$($_cc 2>&1 | head -n1)
3611         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
3612         # Not only is O3 broken on 13.x+ but it is slower on all previous
3613         # versions (tested) as well.
3614         _cflags_speed="-O2"
3615         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
3616         if $_cc 2>&1 | grep -q Linker; then
3617             _ld_o='-out:$@'
3618         else
3619             _ld_o='-Fe$@'
3620         fi
3621         _cc_o='-Fo$@'
3622         _cc_e='-P'
3623         _flags_filter=icl_flags
3624         _ld_lib='lib%.a'
3625         _ld_path='-libpath:'
3626         # -Qdiag-error to make icl error when seeing certain unknown arguments
3627         _flags='-nologo -Qdiag-error:4044,10157'
3628         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
3629         # with MSVC which enables it by default.
3630         _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
3631         disable stripping
3632     elif $_cc 2>&1 | grep -q Microsoft; then
3633         _type=msvc
3634         _ident=$($_cc 2>&1 | head -n1)
3635         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
3636         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
3637         _cflags_speed="-O2"
3638         _cflags_size="-O1"
3639         if $_cc 2>&1 | grep -q Linker; then
3640             _ld_o='-out:$@'
3641         else
3642             _ld_o='-Fe$@'
3643         fi
3644         _cc_o='-Fo$@'
3645         _cc_e='-P -Fi$@'
3646         _flags_filter=msvc_flags
3647         _ld_lib='lib%.a'
3648         _ld_path='-libpath:'
3649         _flags='-nologo'
3650         _cflags='-D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
3651         disable stripping
3652     elif $_cc --version 2>/dev/null | grep -q ^cparser; then
3653         _type=cparser
3654         _ident=$($_cc --version | head -n1)
3655         _depflags='-MMD'
3656         _cflags_speed='-O4'
3657         _cflags_size='-O2'
3658         _flags_filter=cparser_flags
3659     fi
3660
3661     eval ${pfx}_type=\$_type
3662     eval ${pfx}_ident=\$_ident
3663 }
3664
3665 set_ccvars(){
3666     eval ${1}_C=\${_cc_c-\${${1}_C}}
3667     eval ${1}_E=\${_cc_e-\${${1}_E}}
3668     eval ${1}_O=\${_cc_o-\${${1}_O}}
3669
3670     if [ -n "$_depflags" ]; then
3671         eval ${1}_DEPFLAGS=\$_depflags
3672     else
3673         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
3674         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
3675         eval DEP${1}FLAGS=\$_flags
3676     fi
3677 }
3678
3679 probe_cc cc "$cc"
3680 cflags_filter=$_flags_filter
3681 cflags_speed=$_cflags_speed
3682 cflags_size=$_cflags_size
3683 cflags_noopt=$_cflags_noopt
3684 add_cflags $_flags $_cflags
3685 cc_ldflags=$_ldflags
3686 set_ccvars CC
3687
3688 probe_cc hostcc "$host_cc"
3689 host_cflags_filter=$_flags_filter
3690 add_host_cflags  $_flags $_cflags
3691 set_ccvars HOSTCC
3692
3693 test -n "$cc_type" && enable $cc_type ||
3694     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
3695
3696 : ${as_default:=$cc}
3697 : ${dep_cc_default:=$cc}
3698 : ${ld_default:=$cc}
3699 : ${host_ld_default:=$host_cc}
3700 set_default ar as dep_cc ld host_ld windres
3701
3702 probe_cc as "$as"
3703 asflags_filter=$_flags_filter
3704 add_asflags $_flags $_cflags
3705 set_ccvars AS
3706
3707 probe_cc ld "$ld"
3708 ldflags_filter=$_flags_filter
3709 add_ldflags $_flags $_ldflags
3710 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
3711 LD_O=${_ld_o-$LD_O}
3712 LD_LIB=${_ld_lib-$LD_LIB}
3713 LD_PATH=${_ld_path-$LD_PATH}
3714
3715 probe_cc hostld "$host_ld"
3716 host_ldflags_filter=$_flags_filter
3717 add_host_ldflags $_flags $_ldflags
3718 HOSTLD_O=${_ld_o-$HOSTLD_O}
3719
3720 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
3721     probe_cc depcc "$dep_cc"
3722     CCDEP=${_DEPCMD:-$DEPCMD}
3723     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
3724     DEPCCFLAGS=$_flags
3725 fi
3726
3727 if $ar 2>&1 | grep -q Microsoft; then
3728     arflags="-nologo"
3729     ar_o='-out:$@'
3730 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
3731     arflags="rq"
3732     ar_o='$@'
3733 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
3734     arflags='-Xany -r -c'
3735     ar_o='$@'
3736 elif $ar 2>&1 | grep -q "\[D\] "; then
3737     arflags="rcD"
3738     ar_o='$@'
3739 else
3740     arflags="rc"
3741     ar_o='$@'
3742 fi
3743
3744 add_cflags $extra_cflags
3745 add_cxxflags $extra_cxxflags
3746 add_asflags $extra_cflags
3747
3748 if test -n "$sysroot"; then
3749     case "$cc_type" in
3750         gcc|llvm_gcc|clang)
3751             add_cppflags --sysroot="$sysroot"
3752             add_ldflags --sysroot="$sysroot"
3753 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
3754             add_cppflags -isysroot "$sysroot"
3755             add_ldflags -isysroot "$sysroot"
3756         ;;
3757         tms470)
3758             add_cppflags -I"$sysinclude"
3759             add_ldflags  --sysroot="$sysroot"
3760         ;;
3761     esac
3762 fi
3763
3764 if test "$cpu" = host; then
3765     enabled cross_compile &&
3766         die "--cpu=host makes no sense when cross-compiling."
3767
3768     case "$cc_type" in
3769         gcc|llvm_gcc)
3770             check_native(){
3771                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
3772                 sed -n "/cc1.*$1=/{
3773                             s/.*$1=\\([^ ]*\\).*/\\1/
3774                             p
3775                             q
3776                         }" $TMPE
3777             }
3778             cpu=$(check_native -march || check_native -mcpu)
3779         ;;
3780     esac
3781
3782     test "${cpu:-host}" = host &&
3783         die "--cpu=host not supported with compiler $cc"
3784 fi
3785
3786 # Deal with common $arch aliases
3787 case "$arch" in
3788     aarch64|arm64)
3789         arch="aarch64"
3790     ;;
3791     arm*|iPad*|iPhone*)
3792         arch="arm"
3793     ;;
3794     mips*|IP*)
3795         arch="mips"
3796     ;;
3797     parisc*|hppa*)
3798         arch="parisc"
3799     ;;
3800     "Power Macintosh"|ppc*|powerpc*)
3801         arch="ppc"
3802     ;;
3803     s390|s390x)
3804         arch="s390"
3805     ;;
3806     sh4|sh)
3807         arch="sh4"
3808     ;;
3809     sun4u|sparc*)
3810         arch="sparc"
3811     ;;
3812     tilegx|tile-gx)
3813         arch="tilegx"
3814     ;;
3815     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
3816         arch="x86"
3817     ;;
3818 esac
3819
3820 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
3821 enable $arch
3822
3823 # Add processor-specific flags
3824 if enabled aarch64; then
3825
3826     case $cpu in
3827         armv*)
3828             cpuflags="-march=$cpu"
3829         ;;
3830         *)
3831             cpuflags="-mcpu=$cpu"
3832         ;;
3833     esac
3834
3835 elif enabled alpha; then
3836
3837     cpuflags="-mcpu=$cpu"
3838
3839 elif enabled arm; then
3840
3841     check_arm_arch() {
3842         check_cpp_condition stddef.h \
3843             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
3844             $cpuflags
3845     }
3846
3847     probe_arm_arch() {
3848         if   check_arm_arch 4;        then echo armv4;
3849         elif check_arm_arch 4T;       then echo armv4t;
3850         elif check_arm_arch 5;        then echo armv5;
3851         elif check_arm_arch 5E;       then echo armv5e;
3852         elif check_arm_arch 5T;       then echo armv5t;
3853         elif check_arm_arch 5TE;      then echo armv5te;
3854         elif check_arm_arch 5TEJ;     then echo armv5te;
3855         elif check_arm_arch 6;        then echo armv6;
3856         elif check_arm_arch 6J;       then echo armv6j;
3857         elif check_arm_arch 6K;       then echo armv6k;
3858         elif check_arm_arch 6Z;       then echo armv6z;
3859         elif check_arm_arch 6ZK;      then echo armv6zk;
3860         elif check_arm_arch 6T2;      then echo armv6t2;
3861         elif check_arm_arch 7;        then echo armv7;
3862         elif check_arm_arch 7A  7_A;  then echo armv7-a;
3863         elif check_arm_arch 7S;       then echo armv7-a;
3864         elif check_arm_arch 7R  7_R;  then echo armv7-r;
3865         elif check_arm_arch 7M  7_M;  then echo armv7-m;
3866         elif check_arm_arch 7EM 7E_M; then echo armv7-m;
3867         elif check_arm_arch 8A  8_A;  then echo armv8-a;
3868         fi
3869     }
3870
3871     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
3872
3873     case $cpu in
3874         armv*)
3875             cpuflags="-march=$cpu"
3876             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
3877         ;;
3878         *)
3879             cpuflags="-mcpu=$cpu"
3880             case $cpu in
3881                 cortex-a*)                               subarch=armv7a  ;;
3882                 cortex-r*)                               subarch=armv7r  ;;
3883                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
3884                 arm11*)                                  subarch=armv6   ;;
3885                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
3886                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
3887                 *)                             subarch=$(probe_arm_arch) ;;
3888             esac
3889         ;;
3890     esac
3891
3892     case "$subarch" in
3893         armv5t*)    enable fast_clz                ;;
3894         armv[6-8]*)
3895             enable fast_clz
3896             disabled fast_unaligned || enable fast_unaligned
3897             ;;
3898     esac
3899
3900 elif enabled avr32; then
3901
3902     case $cpu in
3903         ap7[02]0[0-2])
3904             subarch="avr32_ap"
3905             cpuflags="-mpart=$cpu"
3906         ;;
3907         ap)
3908             subarch="avr32_ap"
3909             cpuflags="-march=$cpu"
3910         ;;
3911         uc3[ab]*)
3912             subarch="avr32_uc"
3913             cpuflags="-mcpu=$cpu"
3914         ;;
3915         uc)
3916             subarch="avr32_uc"
3917             cpuflags="-march=$cpu"
3918         ;;
3919     esac
3920
3921 elif enabled bfin; then
3922
3923     cpuflags="-mcpu=$cpu"
3924
3925 elif enabled mips; then
3926
3927     cpuflags="-march=$cpu"
3928
3929     case $cpu in
3930         24kc)
3931             disable mips32r5
3932             disable mips64r6
3933             disable mipsfpu
3934             disable mipsdspr1
3935             disable mipsdspr2
3936             disable msa
3937         ;;
3938         24kf*)
3939             disable mips32r5
3940             disable mips64r6
3941             disable mipsdspr1
3942             disable mipsdspr2
3943             disable msa
3944         ;;
3945         24kec|34kc|1004kc)
3946             disable mips32r5
3947             disable mips64r6
3948             disable mipsfpu
3949             disable mipsdspr2
3950             disable msa
3951         ;;
3952         24kef*|34kf*|1004kf*)
3953             disable mips32r5
3954             disable mips64r6
3955             disable mipsdspr2
3956             disable msa
3957         ;;
3958         74kc)
3959             disable mips32r5
3960             disable mips64r6
3961             disable mipsfpu
3962             disable msa
3963         ;;
3964         74kf)
3965             disable mips32r5
3966             disable mips64r6
3967             disable msa
3968         ;;
3969         p5600)
3970             disable mips64r6
3971             disable mipsdspr1
3972             disable mipsdspr2
3973
3974             check_cflags "-mtune=p5600"
3975         ;;
3976         i6400)
3977             disable mips32r5
3978             disable mipsdspr1
3979             disable mipsdspr2
3980             disable mipsfpu
3981
3982             check_cflags "-mtune=i6400 -mabi=64"
3983             check_ldflags "-mabi=64"
3984         ;;
3985         loongson*)
3986             disable mipsfpu
3987             disable mips32r2
3988             disable mips32r5
3989             disable mips64r6
3990             disable mipsdspr1
3991             disable mipsdspr2
3992             disable msa
3993             enable local_aligned_8 local_aligned_16 local_aligned_32
3994             enable simd_align_16
3995             enable fast_64bit
3996             enable fast_clz
3997             enable fast_cmov
3998             enable fast_unaligned
3999             disable aligned_stack
4000             case $cpu in
4001                 loongson3*)
4002                     cpuflags="-march=loongson3a -mhard-float"
4003                 ;;
4004                 loongson2e)
4005                     cpuflags="-march=loongson2e -mhard-float"
4006                 ;;
4007                 loongson2f)
4008                     cpuflags="-march=loongson2f -mhard-float"
4009                 ;;
4010             esac
4011         ;;
4012         generic)
4013             disable mips32r5
4014             disable mips64r6
4015             disable msa
4016         ;;
4017     esac
4018
4019 elif enabled ppc; then
4020
4021     disable ldbrx
4022
4023     case $(tolower $cpu) in
4024         601|ppc601|powerpc601)
4025             cpuflags="-mcpu=601"
4026             disable altivec
4027         ;;
4028         603*|ppc603*|powerpc603*)
4029             cpuflags="-mcpu=603"
4030             disable altivec
4031         ;;
4032         604*|ppc604*|powerpc604*)
4033             cpuflags="-mcpu=604"
4034             disable altivec
4035         ;;
4036         g3|75*|ppc75*|powerpc75*)
4037             cpuflags="-mcpu=750"
4038             disable altivec
4039         ;;
4040         g4|745*|ppc745*|powerpc745*)
4041             cpuflags="-mcpu=7450"
4042             disable vsx
4043         ;;
4044         74*|ppc74*|powerpc74*)
4045             cpuflags="-mcpu=7400"
4046             disable vsx
4047         ;;
4048         g5|970|ppc970|powerpc970)
4049             cpuflags="-mcpu=970"
4050             disable vsx
4051         ;;
4052         power[3-6]*)
4053             cpuflags="-mcpu=$cpu"
4054             disable vsx
4055         ;;
4056         power[7-8]*)
4057             cpuflags="-mcpu=$cpu"
4058         ;;
4059         cell)
4060             cpuflags="-mcpu=cell"
4061             enable ldbrx
4062             disable vsx
4063         ;;
4064         e500mc)
4065             cpuflags="-mcpu=e500mc"
4066             disable altivec