configure: add cuda-sdk for things requiring full CUDA sdk
[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:$PATH
58
59 show_help(){
60     cat <<EOF
61 Usage: configure [options]
62 Options: [defaults in brackets after descriptions]
63
64 Help options:
65   --help                   print this message
66   --quiet                  Suppress showing informative output
67   --list-decoders          show all available decoders
68   --list-encoders          show all available encoders
69   --list-hwaccels          show all available hardware accelerators
70   --list-demuxers          show all available demuxers
71   --list-muxers            show all available muxers
72   --list-parsers           show all available parsers
73   --list-protocols         show all available protocols
74   --list-bsfs              show all available bitstream filters
75   --list-indevs            show all available input devices
76   --list-outdevs           show all available output devices
77   --list-filters           show all available filters
78
79 Standard options:
80   --logfile=FILE           log tests and output to FILE [ffbuild/config.log]
81   --disable-logging        do not log configure debug information
82   --fatal-warnings         fail if any configure warning is generated
83   --prefix=PREFIX          install in PREFIX [$prefix_default]
84   --bindir=DIR             install binaries in DIR [PREFIX/bin]
85   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]
86   --docdir=DIR             install documentation in DIR [PREFIX/share/doc/ffmpeg]
87   --libdir=DIR             install libs in DIR [PREFIX/lib]
88   --shlibdir=DIR           install shared libs in DIR [LIBDIR]
89   --incdir=DIR             install includes in DIR [PREFIX/include]
90   --mandir=DIR             install man page in DIR [PREFIX/share/man]
91   --pkgconfigdir=DIR       install pkg-config files in DIR [LIBDIR/pkgconfig]
92   --enable-rpath           use rpath to allow installing libraries in paths
93                            not part of the dynamic linker search path
94                            use rpath when linking programs (USE WITH CARE)
95   --install-name-dir=DIR   Darwin directory name for installed targets
96
97 Licensing options:
98   --enable-gpl             allow use of GPL code, the resulting libs
99                            and binaries will be under GPL [no]
100   --enable-version3        upgrade (L)GPL to version 3 [no]
101   --enable-nonfree         allow use of nonfree code, the resulting libs
102                            and binaries will be unredistributable [no]
103
104 Configuration options:
105   --disable-static         do not build static libraries [no]
106   --enable-shared          build shared libraries [no]
107   --enable-small           optimize for size instead of speed
108   --disable-runtime-cpudetect disable detecting CPU capabilities at runtime (smaller binary)
109   --enable-gray            enable full grayscale support (slower color)
110   --disable-swscale-alpha  disable alpha channel support in swscale
111   --disable-all            disable building components, libraries and programs
112   --enable-raise-major     increase major version numbers in sonames [no]
113
114 Program options:
115   --disable-programs       do not build command line programs
116   --disable-ffmpeg         disable ffmpeg build
117   --disable-ffplay         disable ffplay build
118   --disable-ffprobe        disable ffprobe build
119   --disable-ffserver       disable ffserver build
120
121 Documentation options:
122   --disable-doc            do not build documentation
123   --disable-htmlpages      do not build HTML documentation pages
124   --disable-manpages       do not build man documentation pages
125   --disable-podpages       do not build POD documentation pages
126   --disable-txtpages       do not build text documentation pages
127
128 Component options:
129   --disable-avdevice       disable libavdevice build
130   --disable-avcodec        disable libavcodec build
131   --disable-avformat       disable libavformat 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 Individual component options:
153   --disable-everything     disable all components listed below
154   --disable-encoder=NAME   disable encoder NAME
155   --enable-encoder=NAME    enable encoder NAME
156   --disable-encoders       disable all encoders
157   --disable-decoder=NAME   disable decoder NAME
158   --enable-decoder=NAME    enable decoder NAME
159   --disable-decoders       disable all decoders
160   --disable-hwaccel=NAME   disable hwaccel NAME
161   --enable-hwaccel=NAME    enable hwaccel NAME
162   --disable-hwaccels       disable all hwaccels
163   --disable-muxer=NAME     disable muxer NAME
164   --enable-muxer=NAME      enable muxer NAME
165   --disable-muxers         disable all muxers
166   --disable-demuxer=NAME   disable demuxer NAME
167   --enable-demuxer=NAME    enable demuxer NAME
168   --disable-demuxers       disable all demuxers
169   --enable-parser=NAME     enable parser NAME
170   --disable-parser=NAME    disable parser NAME
171   --disable-parsers        disable all parsers
172   --enable-bsf=NAME        enable bitstream filter NAME
173   --disable-bsf=NAME       disable bitstream filter NAME
174   --disable-bsfs           disable all bitstream filters
175   --enable-protocol=NAME   enable protocol NAME
176   --disable-protocol=NAME  disable protocol NAME
177   --disable-protocols      disable all protocols
178   --enable-indev=NAME      enable input device NAME
179   --disable-indev=NAME     disable input device NAME
180   --disable-indevs         disable input devices
181   --enable-outdev=NAME     enable output device NAME
182   --disable-outdev=NAME    disable output device NAME
183   --disable-outdevs        disable output devices
184   --disable-devices        disable all devices
185   --enable-filter=NAME     enable filter NAME
186   --disable-filter=NAME    disable filter NAME
187   --disable-filters        disable all filters
188
189 External library support:
190
191   Using any of the following switches will allow FFmpeg to link to the
192   corresponding external library. All the components depending on that library
193   will become enabled, if all their other dependencies are met and they are not
194   explicitly disabled. E.g. --enable-libwavpack will enable linking to
195   libwavpack and allow the libwavpack encoder to be built, unless it is
196   specifically disabled with --disable-encoder=libwavpack.
197
198   Note that only the system libraries are auto-detected. All the other external
199   libraries must be explicitly enabled.
200
201   Also note that the following help text describes the purpose of the libraries
202   themselves, not all their features will necessarily be usable by FFmpeg.
203
204   --enable-avisynth        enable reading of AviSynth script files [no]
205   --disable-bzlib          disable bzlib [autodetect]
206   --enable-chromaprint     enable audio fingerprinting with chromaprint [no]
207   --enable-frei0r          enable frei0r video filtering [no]
208   --enable-gcrypt          enable gcrypt, needed for rtmp(t)e support
209                            if openssl, librtmp or gmp is not used [no]
210   --enable-gmp             enable gmp, needed for rtmp(t)e support
211                            if openssl or librtmp is not used [no]
212   --enable-gnutls          enable gnutls, needed for https support
213                            if openssl is not used [no]
214   --disable-iconv          disable iconv [autodetect]
215   --enable-jni             enable JNI support [no]
216   --enable-ladspa          enable LADSPA audio filtering [no]
217   --enable-libass          enable libass subtitles rendering,
218                            needed for subtitles and ass filter [no]
219   --enable-libbluray       enable BluRay reading using libbluray [no]
220   --enable-libbs2b         enable bs2b DSP library [no]
221   --enable-libcaca         enable textual display using libcaca [no]
222   --enable-libcelt         enable CELT decoding via libcelt [no]
223   --enable-libcdio         enable audio CD grabbing with libcdio [no]
224   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394
225                            and libraw1394 [no]
226   --enable-libfdk-aac      enable AAC de/encoding via libfdk-aac [no]
227   --enable-libflite        enable flite (voice synthesis) support via libflite [no]
228   --enable-libfontconfig   enable libfontconfig, useful for drawtext filter [no]
229   --enable-libfreetype     enable libfreetype, needed for drawtext filter [no]
230   --enable-libfribidi      enable libfribidi, improves drawtext filter [no]
231   --enable-libgme          enable Game Music Emu via libgme [no]
232   --enable-libgsm          enable GSM de/encoding via libgsm [no]
233   --enable-libiec61883     enable iec61883 via libiec61883 [no]
234   --enable-libilbc         enable iLBC de/encoding via libilbc [no]
235   --enable-libkvazaar      enable HEVC encoding via libkvazaar [no]
236   --enable-libmodplug      enable ModPlug via libmodplug [no]
237   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]
238   --enable-libnut          enable NUT (de)muxing via libnut,
239                            native (de)muxer exists [no]
240   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]
241   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]
242   --enable-libopencv       enable video filtering via libopencv [no]
243   --enable-libopenh264     enable H.264 encoding via OpenH264 [no]
244   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]
245   --enable-libopenmpt      enable decoding tracked files via libopenmpt [no]
246   --enable-libopus         enable Opus de/encoding via libopus [no]
247   --enable-libpulse        enable Pulseaudio input via libpulse [no]
248   --enable-librubberband   enable rubberband needed for rubberband filter [no]
249   --enable-librtmp         enable RTMP[E] support via librtmp [no]
250   --enable-libschroedinger enable Dirac de/encoding via libschroedinger [no]
251   --enable-libshine        enable fixed-point MP3 encoding via libshine [no]
252   --enable-libsmbclient    enable Samba protocol via libsmbclient [no]
253   --enable-libsnappy       enable Snappy compression, needed for hap encoding [no]
254   --enable-libsoxr         enable Include libsoxr resampling [no]
255   --enable-libspeex        enable Speex de/encoding via libspeex [no]
256   --enable-libssh          enable SFTP protocol via libssh [no]
257   --enable-libtesseract    enable Tesseract, needed for ocr filter [no]
258   --enable-libtheora       enable Theora encoding via libtheora [no]
259   --enable-libtwolame      enable MP2 encoding via libtwolame [no]
260   --enable-libv4l2         enable libv4l2/v4l-utils [no]
261   --enable-libvidstab      enable video stabilization using vid.stab [no]
262   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]
263   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,
264                            native implementation exists [no]
265   --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]
266   --enable-libwavpack      enable wavpack encoding via libwavpack [no]
267   --enable-libwebp         enable WebP encoding via libwebp [no]
268   --enable-libx264         enable H.264 encoding via x264 [no]
269   --enable-libx265         enable HEVC encoding via x265 [no]
270   --enable-libxavs         enable AVS encoding via xavs [no]
271   --enable-libxcb          enable X11 grabbing using XCB [autodetect]
272   --enable-libxcb-shm      enable X11 grabbing shm communication [autodetect]
273   --enable-libxcb-xfixes   enable X11 grabbing mouse rendering [autodetect]
274   --enable-libxcb-shape    enable X11 grabbing shape rendering [autodetect]
275   --enable-libxvid         enable Xvid encoding via xvidcore,
276                            native MPEG-4/Xvid encoder exists [no]
277   --enable-libzimg         enable z.lib, needed for zscale filter [no]
278   --enable-libzmq          enable message passing via libzmq [no]
279   --enable-libzvbi         enable teletext support via libzvbi [no]
280   --disable-lzma           disable lzma [autodetect]
281   --enable-decklink        enable Blackmagic DeckLink I/O support [no]
282   --enable-mediacodec      enable Android MediaCodec support [no]
283   --enable-netcdf          enable NetCDF, needed for sofalizer filter [no]
284   --enable-openal          enable OpenAL 1.1 capture support [no]
285   --enable-opencl          enable OpenCL code
286   --enable-opengl          enable OpenGL rendering [no]
287   --enable-openssl         enable openssl, needed for https support
288                            if gnutls is not used [no]
289   --disable-schannel       disable SChannel SSP, needed for TLS support on
290                            Windows if openssl and gnutls are not used [autodetect]
291   --disable-sdl2           disable sdl2 [autodetect]
292   --disable-securetransport disable Secure Transport, needed for TLS support
293                            on OSX if openssl and gnutls are not used [autodetect]
294   --disable-xlib           disable xlib [autodetect]
295   --disable-zlib           disable zlib [autodetect]
296
297   The following libraries provide various hardware acceleration features:
298   --disable-audiotoolbox   disable Apple AudioToolbox code [autodetect]
299   --disable-cuda           disable dynamically linked Nvidia CUDA code [autodetect]
300   --enable-cuda-sdk        enable CUDA features that require the CUDA SDK [no]
301   --disable-cuvid          disable Nvidia CUVID support [autodetect]
302   --disable-d3d11va        disable Microsoft Direct3D 11 video acceleration code [autodetect]
303   --disable-dxva2          disable Microsoft DirectX 9 video acceleration code [autodetect]
304   --enable-libmfx          enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]
305   --enable-libnpp          enable Nvidia Performance Primitives-based code [no]
306   --enable-mmal            enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]
307   --disable-nvenc          disable Nvidia video encoding code [autodetect]
308   --enable-omx             enable OpenMAX IL code [no]
309   --enable-omx-rpi         enable OpenMAX IL code for Raspberry Pi [no]
310   --disable-vaapi          disable Video Acceleration API (mainly Unix/Intel) code [autodetect]
311   --disable-vda            disable Apple Video Decode Acceleration code [autodetect]
312   --disable-vdpau          disable Nvidia Video Decode and Presentation API for Unix code [autodetect]
313   --disable-videotoolbox   disable VideoToolbox code [autodetect]
314
315 Toolchain options:
316   --arch=ARCH              select architecture [$arch]
317   --cpu=CPU                select the minimum required CPU (affects
318                            instruction selection, may crash on older CPUs)
319   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]
320   --progs-suffix=SUFFIX    program name suffix []
321   --enable-cross-compile   assume a cross-compiler is used
322   --sysroot=PATH           root of cross-build tree
323   --sysinclude=PATH        location of cross-build system headers
324   --target-os=OS           compiler targets OS [$target_os]
325   --target-exec=CMD        command to run executables on target
326   --target-path=DIR        path to view of build directory on target
327   --target-samples=DIR     path to samples directory on target
328   --tempprefix=PATH        force fixed dir/prefix instead of mktemp for checks
329   --toolchain=NAME         set tool defaults according to NAME
330   --nm=NM                  use nm tool NM [$nm_default]
331   --ar=AR                  use archive tool AR [$ar_default]
332   --as=AS                  use assembler AS [$as_default]
333   --ln_s=LN_S              use symbolic link tool LN_S [$ln_s_default]
334   --strip=STRIP            use strip tool STRIP [$strip_default]
335   --windres=WINDRES        use windows resource compiler WINDRES [$windres_default]
336   --yasmexe=EXE            use yasm-compatible assembler EXE [$yasmexe_default]
337   --cc=CC                  use C compiler CC [$cc_default]
338   --cxx=CXX                use C compiler CXX [$cxx_default]
339   --objcc=OCC              use ObjC compiler OCC [$cc_default]
340   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]
341   --ld=LD                  use linker LD [$ld_default]
342   --pkg-config=PKGCONFIG   use pkg-config tool PKGCONFIG [$pkg_config_default]
343   --pkg-config-flags=FLAGS pass additional flags to pkgconf []
344   --ranlib=RANLIB          use ranlib RANLIB [$ranlib_default]
345   --doxygen=DOXYGEN        use DOXYGEN to generate API doc [$doxygen_default]
346   --host-cc=HOSTCC         use host C compiler HOSTCC
347   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host
348   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host
349   --host-ld=HOSTLD         use host linker HOSTLD
350   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host
351   --host-libs=HLIBS        use libs HLIBS when linking for host
352   --host-os=OS             compiler host OS [$target_os]
353   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]
354   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]
355   --extra-objcflags=FLAGS  add FLAGS to OBJCFLAGS [$CFLAGS]
356   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]
357   --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]
358   --extra-ldlibflags=ELDFLAGS add ELDFLAGS to LDLIBFLAGS [$LDLIBFLAGS]
359   --extra-libs=ELIBS       add ELIBS [$ELIBS]
360   --extra-version=STRING   version string suffix []
361   --optflags=OPTFLAGS      override optimization-related compiler flags
362   --build-suffix=SUFFIX    library name suffix []
363   --enable-pic             build position-independent code
364   --enable-thumb           compile for Thumb instruction set
365   --enable-lto             use link-time optimization
366   --env="ENV=override"     override the environment variables
367
368 Advanced options (experts only):
369   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX
370   --custom-allocator=NAME  use a supported custom allocator
371   --disable-symver         disable symbol versioning
372   --enable-hardcoded-tables use hardcoded tables instead of runtime generation
373   --disable-safe-bitstream-reader
374                            disable buffer boundary checking in bitreaders
375                            (faster, but may crash)
376   --sws-max-filter-size=N  the max filter size swscale uses [$sws_max_filter_size_default]
377
378 Optimization options (experts only):
379   --disable-asm            disable all assembly optimizations
380   --disable-altivec        disable AltiVec optimizations
381   --disable-vsx            disable VSX optimizations
382   --disable-power8         disable POWER8 optimizations
383   --disable-amd3dnow       disable 3DNow! optimizations
384   --disable-amd3dnowext    disable 3DNow! extended optimizations
385   --disable-mmx            disable MMX optimizations
386   --disable-mmxext         disable MMXEXT optimizations
387   --disable-sse            disable SSE optimizations
388   --disable-sse2           disable SSE2 optimizations
389   --disable-sse3           disable SSE3 optimizations
390   --disable-ssse3          disable SSSE3 optimizations
391   --disable-sse4           disable SSE4 optimizations
392   --disable-sse42          disable SSE4.2 optimizations
393   --disable-avx            disable AVX optimizations
394   --disable-xop            disable XOP optimizations
395   --disable-fma3           disable FMA3 optimizations
396   --disable-fma4           disable FMA4 optimizations
397   --disable-avx2           disable AVX2 optimizations
398   --disable-aesni          disable AESNI optimizations
399   --disable-armv5te        disable armv5te optimizations
400   --disable-armv6          disable armv6 optimizations
401   --disable-armv6t2        disable armv6t2 optimizations
402   --disable-vfp            disable VFP optimizations
403   --disable-neon           disable NEON optimizations
404   --disable-inline-asm     disable use of inline assembly
405   --disable-yasm           disable use of nasm/yasm assembly
406   --disable-mipsdsp        disable MIPS DSP ASE R1 optimizations
407   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations
408   --disable-msa            disable MSA optimizations
409   --disable-mipsfpu        disable floating point MIPS optimizations
410   --disable-mmi            disable Loongson SIMD optimizations
411   --disable-fast-unaligned consider unaligned accesses slow
412
413 Developer options (useful when working on FFmpeg itself):
414   --disable-debug          disable debugging symbols
415   --enable-debug=LEVEL     set the debug level [$debuglevel]
416   --disable-optimizations  disable compiler optimizations
417   --enable-extra-warnings  enable more compiler warnings
418   --disable-stripping      disable stripping of executables and shared libraries
419   --assert-level=level     0(default), 1 or 2, amount of assertion testing,
420                            2 causes a slowdown at runtime.
421   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data
422   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory
423                            leaks and errors, using the specified valgrind binary.
424                            Cannot be combined with --target-exec
425   --enable-ftrapv          Trap arithmetic overflows
426   --samples=PATH           location of test samples for FATE, if not set use
427                            \$FATE_SAMPLES at make invocation time.
428   --enable-neon-clobber-test check NEON registers for clobbering (should be
429                            used only for debugging purposes)
430   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;
431                            should be used only for debugging purposes)
432   --enable-random          randomly enable/disable components
433   --disable-random
434   --enable-random=LIST     randomly enable/disable specific components or
435   --disable-random=LIST    component groups. LIST is a comma-separated list
436                            of NAME[:PROB] entries where NAME is a component
437                            (group) and PROB the probability associated with
438                            NAME (default 0.5).
439   --random-seed=VALUE      seed value for --enable/disable-random
440   --disable-valgrind-backtrace do not print a backtrace under Valgrind
441                            (only applies to --disable-optimizations builds)
442   --enable-osfuzz          Enable building fuzzer tool
443   --libfuzzer=PATH         path to libfuzzer
444   --ignore-tests=TESTS     comma-separated list (without "fate-" prefix
445                            in the name) of tests whose result is ignored
446
447 NOTE: Object files are built at the place where configure is launched.
448 EOF
449   exit 0
450 }
451
452 quotes='""'
453 if test -t 1 && which tput >/dev/null 2>&1; then
454     ncolors=$(tput colors)
455     if test -n "$ncolors" && test $ncolors -ge 8; then
456         bold_color=$(tput bold)
457         warn_color=$(tput setaf 3)
458         error_color=$(tput setaf 1)
459         reset_color=$(tput sgr0)
460     fi
461     # 72 used instead of 80 since that's the default of pr
462     ncols=$(tput cols)
463 fi
464 : ${ncols:=72}
465
466 log(){
467     echo "$@" >> $logfile
468 }
469
470 log_file(){
471     log BEGIN $1
472     pr -n -t $1 >> $logfile
473     log END $1
474 }
475
476 warn(){
477     log "WARNING: $*"
478     WARNINGS="${WARNINGS}WARNING: $*\n"
479 }
480
481 die(){
482     log "$@"
483     echo "$error_color$bold_color$@$reset_color"
484     cat <<EOF
485
486 If you think configure made a mistake, make sure you are using the latest
487 version from Git.  If the latest version fails, report the problem to the
488 ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.
489 EOF
490     if disabled logging; then
491         cat <<EOF
492 Rerun configure with logging enabled (do not use --disable-logging), and
493 include the log this produces with your report.
494 EOF
495     else
496         cat <<EOF
497 Include the log file "$logfile" produced by configure as this will help
498 solve the problem.
499 EOF
500     fi
501     exit 1
502 }
503
504 # Avoid locale weirdness, besides we really just want to translate ASCII.
505 toupper(){
506     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
507 }
508
509 tolower(){
510     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz
511 }
512
513 c_escape(){
514     echo "$*" | sed 's/["\\]/\\\0/g'
515 }
516
517 sh_quote(){
518     v=$(echo "$1" | sed "s/'/'\\\\''/g")
519     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"
520     echo "$v"
521 }
522
523 cleanws(){
524     echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
525 }
526
527 filter(){
528     pat=$1
529     shift
530     for v; do
531         eval "case $v in $pat) printf '%s ' $v ;; esac"
532     done
533 }
534
535 filter_out(){
536     pat=$1
537     shift
538     for v; do
539         eval "case $v in $pat) ;; *) printf '%s ' $v ;; esac"
540     done
541 }
542
543 map(){
544     m=$1
545     shift
546     for v; do eval $m; done
547 }
548
549 add_suffix(){
550     suffix=$1
551     shift
552     for v; do echo ${v}${suffix}; done
553 }
554
555 set_all(){
556     value=$1
557     shift
558     for var in $*; do
559         eval $var=$value
560     done
561 }
562
563 set_weak(){
564     value=$1
565     shift
566     for var; do
567         eval : \${$var:=$value}
568     done
569 }
570
571 sanitize_var_name(){
572     echo $@ | sed 's/[^A-Za-z0-9_]/_/g'
573 }
574
575 set_safe(){
576     var=$1
577     shift
578     eval $(sanitize_var_name "$var")='$*'
579 }
580
581 get_safe(){
582     eval echo \$$(sanitize_var_name "$1")
583 }
584
585 pushvar(){
586     for pvar in $*; do
587         eval level=\${${pvar}_level:=0}
588         eval ${pvar}_${level}="\$$pvar"
589         eval ${pvar}_level=$(($level+1))
590     done
591 }
592
593 popvar(){
594     for pvar in $*; do
595         eval level=\${${pvar}_level:-0}
596         test $level = 0 && continue
597         eval level=$(($level-1))
598         eval $pvar="\${${pvar}_${level}}"
599         eval ${pvar}_level=$level
600         eval unset ${pvar}_${level}
601     done
602 }
603
604 request(){
605     for var in $*; do
606         eval ${var}_requested=yes
607         eval $var=
608     done
609 }
610
611 enable(){
612     set_all yes $*
613 }
614
615 disable(){
616     set_all no $*
617 }
618
619 enable_weak(){
620     set_weak yes $*
621 }
622
623 disable_weak(){
624     set_weak no $*
625 }
626
627 enable_safe(){
628     for var; do
629         enable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
630     done
631 }
632
633 disable_safe(){
634     for var; do
635         disable $(echo "$var" | sed 's/[^A-Za-z0-9_]/_/g')
636     done
637 }
638
639 do_enable_deep(){
640     for var; do
641         enabled $var && continue
642         eval sel="\$${var}_select"
643         eval sgs="\$${var}_suggest"
644         pushvar var sgs
645         enable_deep $sel
646         popvar sgs
647         enable_deep_weak $sgs
648         popvar var
649     done
650 }
651
652 enable_deep(){
653     do_enable_deep $*
654     enable $*
655 }
656
657 enable_deep_weak(){
658     for var; do
659         disabled $var && continue
660         pushvar var
661         do_enable_deep $var
662         popvar var
663         enable_weak $var
664     done
665 }
666
667 requested(){
668     test "${1#!}" = "$1" && op='=' || op=!=
669     eval test "x\$${1#!}_requested" $op "xyes"
670 }
671
672 enabled(){
673     test "${1#!}" = "$1" && op='=' || op=!=
674     eval test "x\$${1#!}" $op "xyes"
675 }
676
677 disabled(){
678     test "${1#!}" = "$1" && op='=' || op=!=
679     eval test "x\$${1#!}" $op "xno"
680 }
681
682 enabled_all(){
683     for opt; do
684         enabled $opt || return 1
685     done
686 }
687
688 disabled_all(){
689     for opt; do
690         disabled $opt || return 1
691     done
692 }
693
694 enabled_any(){
695     for opt; do
696         enabled $opt && return 0
697     done
698 }
699
700 disabled_any(){
701     for opt; do
702         disabled $opt && return 0
703     done
704     return 1
705 }
706
707 set_default(){
708     for opt; do
709         eval : \${$opt:=\$${opt}_default}
710     done
711 }
712
713 is_in(){
714     value=$1
715     shift
716     for var in $*; do
717         [ $var = $value ] && return 0
718     done
719     return 1
720 }
721
722 do_check_deps(){
723     for cfg; do
724         cfg="${cfg#!}"
725         enabled ${cfg}_checking && die "Circular dependency for $cfg."
726         disabled ${cfg}_checking && continue
727         enable ${cfg}_checking
728         append allopts $cfg
729
730         eval dep_all="\$${cfg}_deps"
731         eval dep_any="\$${cfg}_deps_any"
732         eval dep_sel="\$${cfg}_select"
733         eval dep_sgs="\$${cfg}_suggest"
734         eval dep_ifa="\$${cfg}_if"
735         eval dep_ifn="\$${cfg}_if_any"
736
737         pushvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
738         do_check_deps $dep_all $dep_any $dep_sel $dep_sgs $dep_ifa $dep_ifn
739         popvar cfg dep_all dep_any dep_sel dep_sgs dep_ifa dep_ifn
740
741         [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }
742         [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }
743         enabled_all  $dep_all || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not all dependencies are satisfied: $dep_all"; }
744         enabled_any  $dep_any || { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but not any dependency is satisfied: $dep_any"; }
745         disabled_any $dep_sel && { disable $cfg && requested $cfg && die "ERROR: $cfg requested, but some selected dependency is unsatisfied: $dep_sel"; }
746
747         if enabled $cfg; then
748             enable_deep $dep_sel
749             enable_deep_weak $dep_sgs
750         fi
751
752         disable ${cfg}_checking
753     done
754 }
755
756 check_deps(){
757     unset allopts
758
759     do_check_deps "$@"
760
761     for cfg in $allopts; do
762         enabled $cfg || continue
763         eval dep_extralibs="\$${cfg}_extralibs"
764         test -n "$dep_extralibs" && add_extralibs $dep_extralibs
765     done
766 }
767
768 print_config(){
769     pfx=$1
770     files=$2
771     shift 2
772     map 'eval echo "$v \${$v:-no}"' "$@" |
773     awk "BEGIN { split(\"$files\", files) }
774         {
775             c = \"$pfx\" toupper(\$1);
776             v = \$2;
777             sub(/yes/, 1, v);
778             sub(/no/,  0, v);
779             for (f in files) {
780                 file = files[f];
781                 if (file ~ /\\.h\$/) {
782                     printf(\"#define %s %d\\n\", c, v) >>file;
783                 } else if (file ~ /\\.asm\$/) {
784                     printf(\"%%define %s %d\\n\", c, v) >>file;
785                 } else if (file ~ /\\.mak\$/) {
786                     n = -v ? \"\" : \"!\";
787                     printf(\"%s%s=yes\\n\", n, c) >>file;
788                 } else if (file ~ /\\.texi\$/) {
789                     pre = -v ? \"\" : \"@c \";
790                     yesno = \$2;
791                     c2 = tolower(c);
792                     gsub(/_/, \"-\", c2);
793                     printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;
794                 }
795             }
796         }"
797 }
798
799 print_enabled(){
800     suf=$1
801     shift
802     for v; do
803         enabled $v && printf "%s\n" ${v%$suf}
804     done
805 }
806
807 append(){
808     var=$1
809     shift
810     eval "$var=\"\$$var $*\""
811 }
812
813 prepend(){
814     var=$1
815     shift
816     eval "$var=\"$* \$$var\""
817 }
818
819 unique(){
820     var=$1
821     uniq_list=""
822     for tok in $(eval echo \$$var); do
823         uniq_list="$(filter_out $tok $uniq_list) $tok"
824     done
825     eval "$var=\"${uniq_list}\""
826 }
827
828 add_cppflags(){
829     append CPPFLAGS "$@"
830 }
831
832 add_cflags(){
833     append CFLAGS $($cflags_filter "$@")
834 }
835
836 add_cflags_headers(){
837     append CFLAGS_HEADERS $($cflags_filter "$@")
838 }
839
840 add_cxxflags(){
841     append CXXFLAGS $($cflags_filter "$@")
842 }
843
844 add_asflags(){
845     append ASFLAGS $($asflags_filter "$@")
846 }
847
848 add_objcflags(){
849     append OBJCFLAGS $($objcflags_filter "$@")
850 }
851
852 add_ldflags(){
853     append LDFLAGS $($ldflags_filter "$@")
854 }
855
856 add_ldexeflags(){
857     append LDEXEFLAGS $($ldflags_filter "$@")
858 }
859
860 add_ldlibflags(){
861     append LDLIBFLAGS $($ldflags_filter "$@")
862 }
863
864 add_stripflags(){
865     append ASMSTRIPFLAGS "$@"
866 }
867
868 add_extralibs(){
869     prepend extralibs $($ldflags_filter "$@")
870 }
871
872 add_host_cppflags(){
873     append host_cppflags "$@"
874 }
875
876 add_host_cflags(){
877     append host_cflags $($host_cflags_filter "$@")
878 }
879
880 add_host_ldflags(){
881     append host_ldflags $($host_ldflags_filter "$@")
882 }
883
884 add_compat(){
885     append compat_objs $1
886     shift
887     map 'add_cppflags -D$v' "$@"
888 }
889
890 check_cmd(){
891     log "$@"
892     "$@" >> $logfile 2>&1
893 }
894
895 check_stat(){
896     log check_stat "$@"
897     stat "$1" >> $logfile 2>&1
898 }
899
900 cc_o(){
901     eval printf '%s\\n' $CC_O
902 }
903
904 cc_e(){
905     eval printf '%s\\n' $CC_E
906 }
907
908 check_cc(){
909     log check_cc "$@"
910     cat > $TMPC
911     log_file $TMPC
912     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC
913 }
914
915 check_cxx(){
916     log check_cxx "$@"
917     cat > $TMPCPP
918     log_file $TMPCPP
919     check_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP
920 }
921
922 check_objcc(){
923     log check_objcc "$@"
924     cat > $TMPM
925     log_file $TMPM
926     check_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM
927 }
928
929 check_cpp(){
930     log check_cpp "$@"
931     cat > $TMPC
932     log_file $TMPC
933     check_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC
934 }
935
936 as_o(){
937     eval printf '%s\\n' $AS_O
938 }
939
940 check_as(){
941     log check_as "$@"
942     cat > $TMPS
943     log_file $TMPS
944     check_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS
945 }
946
947 check_inline_asm(){
948     log check_inline_asm "$@"
949     name="$1"
950     code="$2"
951     shift 2
952     disable $name
953     check_cc "$@" <<EOF && enable $name
954 void foo(void){ __asm__ volatile($code); }
955 EOF
956 }
957
958 check_inline_asm_flags(){
959     log check_inline_asm_flags "$@"
960     name="$1"
961     code="$2"
962     flags=''
963     shift 2
964     while [ "$1" != "" ]; do
965       append flags $1
966       shift
967     done;
968     disable $name
969     cat > $TMPC <<EOF
970 void foo(void){ __asm__ volatile($code); }
971 EOF
972     log_file $TMPC
973     check_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&
974     enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags
975 }
976
977 check_insn(){
978     log check_insn "$@"
979     check_inline_asm ${1}_inline "\"$2\""
980     echo "$2" | check_as && enable ${1}_external || disable ${1}_external
981 }
982
983 check_yasm(){
984     log check_yasm "$@"
985     echo "$1" > $TMPS
986     log_file $TMPS
987     shift 1
988     check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
989 }
990
991 ld_o(){
992     eval printf '%s\\n' $LD_O
993 }
994
995 check_ld(){
996     log check_ld "$@"
997     type=$1
998     shift 1
999     flags=$(filter_out '-l*|*.so' $@)
1000     libs=$(filter '-l*|*.so' $@)
1001     check_$type $($cflags_filter $flags) || return
1002     flags=$($ldflags_filter $flags)
1003     libs=$($ldflags_filter $libs)
1004     check_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs
1005 }
1006
1007 print_include(){
1008     hdr=$1
1009     test "${hdr%.h}" = "${hdr}" &&
1010         echo "#include $hdr"    ||
1011         echo "#include <$hdr>"
1012 }
1013
1014 check_code(){
1015     log check_code "$@"
1016     check=$1
1017     headers=$2
1018     code=$3
1019     shift 3
1020     {
1021         for hdr in $headers; do
1022             print_include $hdr
1023         done
1024         echo "int main(void) { $code; return 0; }"
1025     } | check_$check "$@"
1026 }
1027
1028 check_cppflags(){
1029     log check_cppflags "$@"
1030     check_cpp "$@" <<EOF && append CPPFLAGS "$@"
1031 int x;
1032 EOF
1033 }
1034
1035 test_cflags(){
1036     log test_cflags "$@"
1037     set -- $($cflags_filter "$@")
1038     check_cc "$@" <<EOF
1039 int x;
1040 EOF
1041 }
1042
1043 check_cflags(){
1044     log check_cflags "$@"
1045     test_cflags "$@" && add_cflags "$@"
1046 }
1047
1048 check_cxxflags(){
1049     log check_cxxflags "$@"
1050     set -- $($cflags_filter "$@")
1051     check_cxx "$@" <<EOF && append CXXFLAGS "$@"
1052 int x;
1053 EOF
1054 }
1055
1056 test_objcflags(){
1057     log test_objcflags "$@"
1058     set -- $($objcflags_filter "$@")
1059     check_objcc "$@" <<EOF
1060 int x;
1061 EOF
1062 }
1063
1064 check_objcflags(){
1065     log check_objcflags "$@"
1066     test_objcflags "$@" && add_objcflags "$@"
1067 }
1068
1069 test_ldflags(){
1070     log test_ldflags "$@"
1071     check_ld "cc" "$@" <<EOF
1072 int main(void){ return 0; }
1073 EOF
1074 }
1075
1076 check_ldflags(){
1077     log check_ldflags "$@"
1078     test_ldflags "$@" && add_ldflags "$@"
1079 }
1080
1081 test_stripflags(){
1082     log test_stripflags "$@"
1083     # call check_cc to get a fresh TMPO
1084     check_cc <<EOF
1085 int main(void) { return 0; }
1086 EOF
1087     check_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO
1088 }
1089
1090 check_stripflags(){
1091     log check_stripflags "$@"
1092     test_stripflags "$@" && add_stripflags "$@"
1093 }
1094
1095 check_header(){
1096     log check_header "$@"
1097     header=$1
1098     shift
1099     disable_safe $header
1100     check_cpp "$@" <<EOF && enable_safe $header
1101 #include <$header>
1102 int x;
1103 EOF
1104 }
1105
1106 check_header_objcc(){
1107     log check_header_objcc "$@"
1108     rm -f -- "$TMPO"
1109     header=$1
1110     shift
1111     disable_safe $header
1112     {
1113        echo "#include <$header>"
1114        echo "int main(void) { return 0; }"
1115     } | check_objcc && check_stat "$TMPO" && enable_safe $headers
1116 }
1117
1118 check_func(){
1119     log check_func "$@"
1120     func=$1
1121     shift
1122     disable $func
1123     check_ld "cc" "$@" <<EOF && enable $func
1124 extern int $func();
1125 int main(void){ $func(); }
1126 EOF
1127 }
1128
1129 check_complexfunc(){
1130     log check_complexfunc "$@"
1131     func=$1
1132     narg=$2
1133     shift 2
1134     test $narg = 2 && args="f, g" || args="f * I"
1135     disable $func
1136     check_ld "cc" "$@" <<EOF && enable $func
1137 #include <complex.h>
1138 #include <math.h>
1139 float foo(complex float f, complex float g) { return $func($args); }
1140 int main(void){ return (int) foo; }
1141 EOF
1142 }
1143
1144 check_mathfunc(){
1145     log check_mathfunc "$@"
1146     func=$1
1147     narg=$2
1148     shift 2
1149     test $narg = 2 && args="f, g" || args="f"
1150     disable $func
1151     check_ld "cc" "$@" <<EOF && enable $func
1152 #include <math.h>
1153 float foo(float f, float g) { return $func($args); }
1154 int main(void){ return (int) foo; }
1155 EOF
1156 }
1157
1158 check_func_headers(){
1159     log check_func_headers "$@"
1160     headers=$1
1161     funcs=$2
1162     shift 2
1163     {
1164         for hdr in $headers; do
1165             print_include $hdr
1166         done
1167         echo "#include <stdint.h>"
1168         for func in $funcs; do
1169             echo "long check_$func(void) { return (long) $func; }"
1170         done
1171         echo "int main(void) { int ret = 0;"
1172         # LTO could optimize out the test functions without this
1173         for func in $funcs; do
1174             echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"
1175         done
1176         echo "return ret; }"
1177     } | check_ld "cc" "$@" && enable $funcs && enable_safe $headers
1178 }
1179
1180 check_class_headers_cpp(){
1181     log check_class_headers_cpp "$@"
1182     headers=$1
1183     classes=$2
1184     shift 2
1185     {
1186         for hdr in $headers; do
1187             echo "#include <$hdr>"
1188         done
1189         echo "int main(void) { "
1190         i=1
1191         for class in $classes; do
1192             echo "$class obj$i;"
1193             i=$(expr $i + 1)
1194         done
1195         echo "return 0; }"
1196     } | check_ld "cxx" "$@" && enable $funcs && enable_safe $headers
1197 }
1198
1199 check_cpp_condition(){
1200     log check_cpp_condition "$@"
1201     header=$1
1202     condition=$2
1203     shift 2
1204     check_cpp "$@" <<EOF
1205 #include <$header>
1206 #if !($condition)
1207 #error "unsatisfied condition: $condition"
1208 #endif
1209 EOF
1210 }
1211
1212 test_cflags_cc(){
1213     log test_cflags_cc "$@"
1214     flags=$1
1215     header=$2
1216     condition=$3
1217     shift 3
1218     set -- $($cflags_filter "$flags")
1219     check_cc "$@" <<EOF
1220 #include <$header>
1221 #if !($condition)
1222 #error "unsatisfied condition: $condition"
1223 #endif
1224 EOF
1225 }
1226
1227 check_lib(){
1228     log check_lib "$@"
1229     name="$1"
1230     headers="$2"
1231     funcs="$3"
1232     shift 3
1233     disable $name
1234     check_func_headers "$headers" "$funcs" "$@" &&
1235         enable $name && add_extralibs "$@"
1236 }
1237
1238 check_lib_cpp(){
1239     log check_lib_cpp "$@"
1240     headers="$1"
1241     classes="$2"
1242     shift 2
1243     check_class_headers_cpp "$headers" "$classes" "$@" && add_extralibs "$@"
1244 }
1245
1246 check_pkg_config(){
1247     log check_pkg_config "$@"
1248     pkg_version="$1"
1249     pkg="${1%% *}"
1250     headers="$2"
1251     funcs="$3"
1252     shift 3
1253     check_cmd $pkg_config --exists --print-errors $pkg_version || return
1254     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)
1255     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)
1256     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&
1257         set_safe "${pkg}_cflags"    $pkg_cflags &&
1258         set_safe "${pkg}_extralibs" $pkg_libs
1259 }
1260
1261 check_exec(){
1262     check_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }
1263 }
1264
1265 check_exec_crash(){
1266     log check_exec_crash "$@"
1267     code=$(cat)
1268
1269     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)
1270     # are safe but may not be available everywhere.  Thus we use
1271     # raise(SIGTERM) instead.  The check is run in a subshell so we
1272     # can redirect the "Terminated" message from the shell.  SIGBUS
1273     # is not defined by standard C so it is used conditionally.
1274
1275     (check_exec "$@") >> $logfile 2>&1 <<EOF
1276 #include <signal.h>
1277 static void sighandler(int sig){
1278     raise(SIGTERM);
1279 }
1280 int foo(void){
1281     $code
1282 }
1283 int (*func_ptr)(void) = foo;
1284 int main(void){
1285     signal(SIGILL, sighandler);
1286     signal(SIGFPE, sighandler);
1287     signal(SIGSEGV, sighandler);
1288 #ifdef SIGBUS
1289     signal(SIGBUS, sighandler);
1290 #endif
1291     return func_ptr();
1292 }
1293 EOF
1294 }
1295
1296 check_type(){
1297     log check_type "$@"
1298     headers=$1
1299     type=$2
1300     shift 2
1301     disable_safe "$type"
1302     check_code cc "$headers" "$type v" "$@" && enable_safe "$type"
1303 }
1304
1305 check_struct(){
1306     log check_struct "$@"
1307     headers=$1
1308     struct=$2
1309     member=$3
1310     shift 3
1311     disable_safe "${struct}_${member}"
1312     check_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&
1313         enable_safe "${struct}_${member}"
1314 }
1315
1316 check_builtin(){
1317     log check_builtin "$@"
1318     name=$1
1319     headers=$2
1320     builtin=$3
1321     shift 3
1322     disable "$name"
1323     check_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"
1324 }
1325
1326 check_compile_assert(){
1327     log check_compile_assert "$@"
1328     name=$1
1329     headers=$2
1330     condition=$3
1331     shift 3
1332     disable "$name"
1333     check_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"
1334 }
1335
1336 require(){
1337     log require "$@"
1338     name_version="$1"
1339     name="${1%% *}"
1340     headers="$2"
1341     func="$3"
1342     shift 3
1343     check_lib $name "$headers" $func "$@" || die "ERROR: $name_version not found"
1344 }
1345
1346 require_cpp(){
1347     name="$1"
1348     headers="$2"
1349     classes="$3"
1350     shift 3
1351     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"
1352 }
1353
1354 use_pkg_config(){
1355     log use_pkg_config "$@"
1356     pkg="$1"
1357     check_pkg_config "$@" || return 1
1358     add_cflags    $(get_safe "${pkg}_cflags")
1359     add_extralibs $(get_safe "${pkg}_extralibs")
1360 }
1361
1362 require_pkg_config(){
1363     use_pkg_config "$@" || die "ERROR: $pkg not found using pkg-config$pkg_config_fail_message"
1364 }
1365
1366 hostcc_e(){
1367     eval printf '%s\\n' $HOSTCC_E
1368 }
1369
1370 hostcc_o(){
1371     eval printf '%s\\n' $HOSTCC_O
1372 }
1373
1374 check_host_cc(){
1375     log check_host_cc "$@"
1376     cat > $TMPC
1377     log_file $TMPC
1378     check_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC
1379 }
1380
1381 check_host_cpp(){
1382     log check_host_cpp "$@"
1383     cat > $TMPC
1384     log_file $TMPC
1385     check_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC
1386 }
1387
1388 check_host_cppflags(){
1389     log check_host_cppflags "$@"
1390     check_host_cpp "$@" <<EOF && append host_cppflags "$@"
1391 int x;
1392 EOF
1393 }
1394
1395 check_host_cflags(){
1396     log check_host_cflags "$@"
1397     set -- $($host_cflags_filter "$@")
1398     check_host_cc "$@" <<EOF && append host_cflags "$@"
1399 int x;
1400 EOF
1401 }
1402
1403 check_host_cpp_condition(){
1404     log check_host_cpp_condition "$@"
1405     header=$1
1406     condition=$2
1407     shift 2
1408     check_host_cpp "$@" <<EOF
1409 #include <$header>
1410 #if !($condition)
1411 #error "unsatisfied condition: $condition"
1412 #endif
1413 EOF
1414 }
1415
1416 cp_if_changed(){
1417     cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return
1418     mkdir -p "$(dirname $2)"
1419     cp -f "$1" "$2"
1420 }
1421
1422 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
1423 # system-dependent things.
1424
1425 AVCODEC_COMPONENTS="
1426     bsfs
1427     decoders
1428     encoders
1429     hwaccels
1430     parsers
1431 "
1432
1433 AVDEVICE_COMPONENTS="
1434     indevs
1435     outdevs
1436 "
1437 AVFILTER_COMPONENTS="
1438     filters
1439 "
1440 AVFORMAT_COMPONENTS="
1441     demuxers
1442     muxers
1443     protocols
1444 "
1445
1446 AVRESAMPLE_COMPONENTS=""
1447 AVUTIL_COMPONENTS=""
1448
1449 COMPONENT_LIST="
1450     $AVCODEC_COMPONENTS
1451     $AVDEVICE_COMPONENTS
1452     $AVFILTER_COMPONENTS
1453     $AVFORMAT_COMPONENTS
1454     $AVRESAMPLE_COMPONENTS
1455     $AVUTIL_COMPONENTS
1456 "
1457
1458 EXAMPLE_LIST="
1459     avio_dir_cmd_example
1460     avio_reading_example
1461     decode_audio_example
1462     decode_video_example
1463     demuxing_decoding_example
1464     encode_audio_example
1465     encode_video_example
1466     extract_mvs_example
1467     filter_audio_example
1468     filtering_audio_example
1469     filtering_video_example
1470     http_multiclient_example
1471     metadata_example
1472     muxing_example
1473     qsvdec_example
1474     remuxing_example
1475     resampling_audio_example
1476     scaling_video_example
1477     transcode_aac_example
1478     transcoding_example
1479 "
1480 EXTERNAL_AUTODETECT_LIBRARY_LIST="
1481     bzlib
1482     iconv
1483     libxcb
1484     libxcb_shm
1485     libxcb_shape
1486     libxcb_xfixes
1487     lzma
1488     schannel
1489     sdl
1490     sdl2
1491     securetransport
1492     xlib
1493     zlib
1494 "
1495
1496 EXTERNAL_LIBRARY_GPL_LIST="
1497     avisynth
1498     frei0r
1499     libcdio
1500     librubberband
1501     libvidstab
1502     libx264
1503     libx265
1504     libxavs
1505     libxvid
1506 "
1507
1508 EXTERNAL_LIBRARY_NONFREE_LIST="
1509     decklink
1510     libfdk_aac
1511     openssl
1512 "
1513
1514 EXTERNAL_LIBRARY_VERSION3_LIST="
1515     gmp
1516     libopencore_amrnb
1517     libopencore_amrwb
1518     libvo_amrwbenc
1519 "
1520
1521 EXTERNAL_LIBRARY_GPLV3_LIST="
1522     libsmbclient
1523 "
1524
1525 EXTERNAL_LIBRARY_LIST="
1526     $EXTERNAL_AUTODETECT_LIBRARY_LIST
1527     $EXTERNAL_LIBRARY_GPL_LIST
1528     $EXTERNAL_LIBRARY_NONFREE_LIST
1529     $EXTERNAL_LIBRARY_VERSION3_LIST
1530     $EXTERNAL_LIBRARY_GPLV3_LIST
1531     chromaprint
1532     crystalhd
1533     gcrypt
1534     gnutls
1535     jni
1536     ladspa
1537     libass
1538     libbluray
1539     libbs2b
1540     libcaca
1541     libcelt
1542     libdc1394
1543     libflite
1544     libfontconfig
1545     libfreetype
1546     libfribidi
1547     libgme
1548     libgsm
1549     libiec61883
1550     libilbc
1551     libkvazaar
1552     libmodplug
1553     libmp3lame
1554     libnut
1555     libopencv
1556     libopenh264
1557     libopenjpeg
1558     libopenmpt
1559     libopus
1560     libpulse
1561     librtmp
1562     libschroedinger
1563     libshine
1564     libsmbclient
1565     libsnappy
1566     libsoxr
1567     libspeex
1568     libssh
1569     libtesseract
1570     libtheora
1571     libtwolame
1572     libv4l2
1573     libvorbis
1574     libvpx
1575     libwavpack
1576     libwebp
1577     libzimg
1578     libzmq
1579     libzvbi
1580     mediacodec
1581     netcdf
1582     openal
1583     opencl
1584     opengl
1585     videotoolbox
1586 "
1587 HWACCEL_AUTODETECT_LIBRARY_LIST="
1588     audiotoolbox
1589     cuda
1590     cuvid
1591     d3d11va
1592     dxva2
1593     nvenc
1594     vaapi
1595     vda
1596     vdpau
1597     videotoolbox_hwaccel
1598     xvmc
1599 "
1600
1601 HWACCEL_LIBRARY_NONFREE_LIST="
1602     cuda_sdk
1603     libnpp
1604 "
1605
1606 HWACCEL_LIBRARY_LIST="
1607     $HWACCEL_AUTODETECT_LIBRARY_LIST
1608     $HWACCEL_LIBRARY_NONFREE_LIST
1609     libmfx
1610     mmal
1611     omx
1612 "
1613
1614 DOCUMENT_LIST="
1615     doc
1616     htmlpages
1617     manpages
1618     podpages
1619     txtpages
1620 "
1621
1622 FEATURE_LIST="
1623     ftrapv
1624     gray
1625     hardcoded_tables
1626     omx_rpi
1627     runtime_cpudetect
1628     safe_bitstream_reader
1629     shared
1630     small
1631     static
1632     swscale_alpha
1633 "
1634
1635 LIBRARY_LIST="
1636     avcodec
1637     avdevice
1638     avfilter
1639     avformat
1640     avresample
1641     avutil
1642     postproc
1643     swresample
1644     swscale
1645 "
1646
1647 LICENSE_LIST="
1648     gpl
1649     nonfree
1650     version3
1651 "
1652
1653 PROGRAM_LIST="
1654     ffplay
1655     ffprobe
1656     ffserver
1657     ffmpeg
1658 "
1659
1660 SUBSYSTEM_LIST="
1661     dct
1662     dwt
1663     error_resilience
1664     faan
1665     fast_unaligned
1666     fft
1667     lsp
1668     lzo
1669     mdct
1670     pixelutils
1671     network
1672     rdft
1673 "
1674
1675 # COMPONENT_LIST needs to come last to ensure correct dependency checking
1676 CONFIG_LIST="
1677     $DOCUMENT_LIST
1678     $EXAMPLE_LIST
1679     $EXTERNAL_LIBRARY_LIST
1680     $HWACCEL_LIBRARY_LIST
1681     $FEATURE_LIST
1682     $LICENSE_LIST
1683     $LIBRARY_LIST
1684     $PROGRAM_LIST
1685     $SUBSYSTEM_LIST
1686     fontconfig
1687     memory_poisoning
1688     neon_clobber_test
1689     ossfuzz
1690     pic
1691     raise_major
1692     thumb
1693     valgrind_backtrace
1694     xmm_clobber_test
1695     $COMPONENT_LIST
1696 "
1697
1698 THREADS_LIST="
1699     pthreads
1700     os2threads
1701     w32threads
1702 "
1703
1704 ATOMICS_LIST="
1705     atomics_gcc
1706     atomics_suncc
1707     atomics_win32
1708 "
1709
1710 AUTODETECT_LIBS="
1711     $EXTERNAL_AUTODETECT_LIBRARY_LIST
1712     $HWACCEL_AUTODETECT_LIBRARY_LIST
1713     $THREADS_LIST
1714 "
1715
1716 ARCH_LIST="
1717     aarch64
1718     alpha
1719     arm
1720     avr32
1721     avr32_ap
1722     avr32_uc
1723     bfin
1724     ia64
1725     m68k
1726     mips
1727     mips64
1728     parisc
1729     ppc
1730     ppc64
1731     s390
1732     sh4
1733     sparc
1734     sparc64
1735     tilegx
1736     tilepro
1737     tomi
1738     x86
1739     x86_32
1740     x86_64
1741 "
1742
1743 ARCH_EXT_LIST_ARM="
1744     armv5te
1745     armv6
1746     armv6t2
1747     armv8
1748     neon
1749     vfp
1750     vfpv3
1751     setend
1752 "
1753
1754 ARCH_EXT_LIST_MIPS="
1755     mipsfpu
1756     mips32r2
1757     mips32r5
1758     mips64r2
1759     mips32r6
1760     mips64r6
1761     mipsdsp
1762     mipsdspr2
1763     msa
1764 "
1765
1766 ARCH_EXT_LIST_LOONGSON="
1767     loongson2
1768     loongson3
1769     mmi
1770 "
1771
1772 ARCH_EXT_LIST_X86_SIMD="
1773     aesni
1774     amd3dnow
1775     amd3dnowext
1776     avx
1777     avx2
1778     fma3
1779     fma4
1780     mmx
1781     mmxext
1782     sse
1783     sse2
1784     sse3
1785     sse4
1786     sse42
1787     ssse3
1788     xop
1789 "
1790
1791 ARCH_EXT_LIST_PPC="
1792     altivec
1793     dcbzl
1794     ldbrx
1795     power8
1796     ppc4xx
1797     vsx
1798 "
1799
1800 ARCH_EXT_LIST_X86="
1801     $ARCH_EXT_LIST_X86_SIMD
1802     cpunop
1803     i686
1804 "
1805
1806 ARCH_EXT_LIST="
1807     $ARCH_EXT_LIST_ARM
1808     $ARCH_EXT_LIST_PPC
1809     $ARCH_EXT_LIST_X86
1810     $ARCH_EXT_LIST_MIPS
1811     $ARCH_EXT_LIST_LOONGSON
1812 "
1813
1814 ARCH_FEATURES="
1815     aligned_stack
1816     fast_64bit
1817     fast_clz
1818     fast_cmov
1819     local_aligned_8
1820     local_aligned_16
1821     local_aligned_32
1822     simd_align_16
1823     simd_align_32
1824 "
1825
1826 BUILTIN_LIST="
1827     atomic_cas_ptr
1828     machine_rw_barrier
1829     MemoryBarrier
1830     mm_empty
1831     rdtsc
1832     sarestart
1833     sem_timedwait
1834     sync_val_compare_and_swap
1835 "
1836 HAVE_LIST_CMDLINE="
1837     inline_asm
1838     symver
1839     yasm
1840 "
1841
1842 HAVE_LIST_PUB="
1843     bigendian
1844     fast_unaligned
1845 "
1846
1847 HEADERS_LIST="
1848     alsa_asoundlib_h
1849     altivec_h
1850     arpa_inet_h
1851     asm_types_h
1852     cdio_paranoia_h
1853     cdio_paranoia_paranoia_h
1854     cuda_h
1855     d3d11_h
1856     dispatch_dispatch_h
1857     dev_bktr_ioctl_bt848_h
1858     dev_bktr_ioctl_meteor_h
1859     dev_ic_bt8xx_h
1860     dev_video_bktr_ioctl_bt848_h
1861     dev_video_meteor_ioctl_meteor_h
1862     direct_h
1863     dirent_h
1864     dlfcn_h
1865     dxva_h
1866     ES2_gl_h
1867     gsm_h
1868     io_h
1869     mach_mach_time_h
1870     machine_ioctl_bt848_h
1871     machine_ioctl_meteor_h
1872     malloc_h
1873     opencv2_core_core_c_h
1874     openjpeg_2_1_openjpeg_h
1875     openjpeg_2_0_openjpeg_h
1876     openjpeg_1_5_openjpeg_h
1877     OpenGL_gl3_h
1878     poll_h
1879     sndio_h
1880     soundcard_h
1881     stdatomic_h
1882     sys_mman_h
1883     sys_param_h
1884     sys_resource_h
1885     sys_select_h
1886     sys_soundcard_h
1887     sys_time_h
1888     sys_un_h
1889     sys_videoio_h
1890     termios_h
1891     udplite_h
1892     unistd_h
1893     valgrind_valgrind_h
1894     windows_h
1895     winsock2_h
1896 "
1897
1898 INTRINSICS_LIST="
1899     intrinsics_neon
1900 "
1901
1902 COMPLEX_FUNCS="
1903     cabs
1904     cexp
1905 "
1906
1907 MATH_FUNCS="
1908     atanf
1909     atan2f
1910     cbrt
1911     cbrtf
1912     copysign
1913     cosf
1914     erf
1915     exp2
1916     exp2f
1917     expf
1918     hypot
1919     isfinite
1920     isinf
1921     isnan
1922     ldexpf
1923     llrint
1924     llrintf
1925     log2
1926     log2f
1927     log10f
1928     lrint
1929     lrintf
1930     powf
1931     rint
1932     round
1933     roundf
1934     sinf
1935     trunc
1936     truncf
1937 "
1938
1939 SYSTEM_FUNCS="
1940     access
1941     aligned_malloc
1942     arc4random
1943     clock_gettime
1944     closesocket
1945     CommandLineToArgvW
1946     CoTaskMemFree
1947     CryptGenRandom
1948     dlopen
1949     fcntl
1950     flt_lim
1951     fork
1952     getaddrinfo
1953     gethrtime
1954     getopt
1955     GetProcessAffinityMask
1956     GetProcessMemoryInfo
1957     GetProcessTimes
1958     getrusage
1959     GetSystemTimeAsFileTime
1960     gettimeofday
1961     glob
1962     glXGetProcAddress
1963     gmtime_r
1964     inet_aton
1965     isatty
1966     jack_port_get_latency_range
1967     kbhit
1968     LoadLibrary
1969     localtime_r
1970     lstat
1971     lzo1x_999_compress
1972     mach_absolute_time
1973     MapViewOfFile
1974     memalign
1975     mkstemp
1976     mmap
1977     mprotect
1978     nanosleep
1979     PeekNamedPipe
1980     posix_memalign
1981     pthread_cancel
1982     sched_getaffinity
1983     SetConsoleTextAttribute
1984     SetConsoleCtrlHandler
1985     setmode
1986     setrlimit
1987     Sleep
1988     strerror_r
1989     sysconf
1990     sysctl
1991     usleep
1992     UTGetOSTypeFromString
1993     VirtualAlloc
1994     wglGetProcAddress
1995 "
1996
1997 TOOLCHAIN_FEATURES="
1998     as_dn_directive
1999     as_fpu_directive
2000     as_func
2001     as_object_arch
2002     asm_mod_q
2003     attribute_may_alias
2004     attribute_packed
2005     ebp_available
2006     ebx_available
2007     gnu_as
2008     gnu_windres
2009     ibm_asm
2010     inline_asm_direct_symbol_refs
2011     inline_asm_labels
2012     inline_asm_nonlocal_labels
2013     pragma_deprecated
2014     rsync_contimeout
2015     symver_asm_label
2016     symver_gnu_asm
2017     vfp_args
2018     xform_asm
2019     xmm_clobbers
2020 "
2021
2022 TYPES_LIST="
2023     CONDITION_VARIABLE_Ptr
2024     socklen_t
2025     struct_addrinfo
2026     struct_group_source_req
2027     struct_ip_mreq_source
2028     struct_ipv6_mreq
2029     struct_msghdr_msg_flags
2030     struct_pollfd
2031     struct_rusage_ru_maxrss
2032     struct_sctp_event_subscribe
2033     struct_sockaddr_in6
2034     struct_sockaddr_sa_len
2035     struct_sockaddr_storage
2036     struct_stat_st_mtim_tv_nsec
2037     struct_v4l2_frmivalenum_discrete
2038 "
2039
2040 HAVE_LIST="
2041     $ARCH_EXT_LIST
2042     $(add_suffix _external $ARCH_EXT_LIST)
2043     $(add_suffix _inline   $ARCH_EXT_LIST)
2044     $ARCH_FEATURES
2045     $ATOMICS_LIST
2046     $BUILTIN_LIST
2047     $COMPLEX_FUNCS
2048     $HAVE_LIST_CMDLINE
2049     $HAVE_LIST_PUB
2050     $HEADERS_LIST
2051     $INTRINSICS_LIST
2052     $MATH_FUNCS
2053     $SYSTEM_FUNCS
2054     $THREADS_LIST
2055     $TOOLCHAIN_FEATURES
2056     $TYPES_LIST
2057     alsa
2058     atomics_native
2059     dos_paths
2060     dxva2_lib
2061     dxva2api_cobj
2062     jack
2063     libc_msvcrt
2064     makeinfo
2065     makeinfo_html
2066     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS
2067     perl
2068     pod2man
2069     sdl2
2070     section_data_rel_ro
2071     sndio
2072     texi2html
2073     threads
2074     vaapi_drm
2075     vaapi_x11
2076     vdpau_x11
2077     winrt
2078 "
2079
2080 # options emitted with CONFIG_ prefix but not available on the command line
2081 CONFIG_EXTRA="
2082     aandcttables
2083     ac3dsp
2084     audio_frame_queue
2085     audiodsp
2086     blockdsp
2087     bswapdsp
2088     cabac
2089     dirac_parse
2090     dvprofile
2091     exif
2092     faandct
2093     faanidct
2094     fdctdsp
2095     flacdsp
2096     fmtconvert
2097     frame_thread_encoder
2098     g722dsp
2099     golomb
2100     gplv3
2101     h263dsp
2102     h264chroma
2103     h264dsp
2104     h264parse
2105     h264pred
2106     h264qpel
2107     hevcparse
2108     hpeldsp
2109     huffman
2110     huffyuvdsp
2111     huffyuvencdsp
2112     idctdsp
2113     iirfilter
2114     mdct15
2115     intrax8
2116     iso_media
2117     ividsp
2118     jpegtables
2119     lgplv3
2120     libx262
2121     llauddsp
2122     llviddsp
2123     llvidencdsp
2124     lpc
2125     lzf
2126     me_cmp
2127     mpeg_er
2128     mpegaudio
2129     mpegaudiodsp
2130     mpegaudioheader
2131     mpegvideo
2132     mpegvideoenc
2133     mss34dsp
2134     pixblockdsp
2135     qpeldsp
2136     qsv
2137     qsvdec
2138     qsvenc
2139     rangecoder
2140     riffdec
2141     riffenc
2142     rtpdec
2143     rtpenc_chain
2144     rv34dsp
2145     sinewin
2146     snappy
2147     srtp
2148     startcode
2149     texturedsp
2150     texturedspenc
2151     tpeldsp
2152     vaapi_encode
2153     vc1dsp
2154     videodsp
2155     vp3dsp
2156     vp56dsp
2157     vp8dsp
2158     vt_bt2020
2159     wma_freqs
2160     wmv2dsp
2161 "
2162
2163 CMDLINE_SELECT="
2164     $ARCH_EXT_LIST
2165     $CONFIG_LIST
2166     $HAVE_LIST_CMDLINE
2167     $THREADS_LIST
2168     asm
2169     cross_compile
2170     debug
2171     extra_warnings
2172     logging
2173     lto
2174     optimizations
2175     rpath
2176     stripping
2177 "
2178
2179 PATHS_LIST="
2180     bindir
2181     datadir
2182     docdir
2183     incdir
2184     libdir
2185     mandir
2186     pkgconfigdir
2187     prefix
2188     shlibdir
2189     install_name_dir
2190 "
2191
2192 CMDLINE_SET="
2193     $PATHS_LIST
2194     ar
2195     arch
2196     as
2197     assert_level
2198     build_suffix
2199     cc
2200     objcc
2201     cpu
2202     cross_prefix
2203     custom_allocator
2204     cxx
2205     dep_cc
2206     doxygen
2207     env
2208     extra_version
2209     gas
2210     host_cc
2211     host_cflags
2212     host_extralibs
2213     host_ld
2214     host_ldflags
2215     host_os
2216     ignore_tests
2217     install
2218     ld
2219     ln_s
2220     logfile
2221     malloc_prefix
2222     nm
2223     optflags
2224     pkg_config
2225     pkg_config_flags
2226     progs_suffix
2227     random_seed
2228     ranlib
2229     samples
2230     strip
2231     sws_max_filter_size
2232     sysinclude
2233     sysroot
2234     target_exec
2235     target_os
2236     target_path
2237     target_samples
2238     tempprefix
2239     toolchain
2240     valgrind
2241     yasmexe
2242 "
2243
2244 CMDLINE_APPEND="
2245     extra_cflags
2246     extra_cxxflags
2247     extra_objcflags
2248     host_cppflags
2249 "
2250
2251 # code dependency declarations
2252
2253 # architecture extensions
2254
2255 armv5te_deps="arm"
2256 armv6_deps="arm"
2257 armv6t2_deps="arm"
2258 armv8_deps="aarch64"
2259 neon_deps_any="aarch64 arm"
2260 intrinsics_neon_deps="neon"
2261 vfp_deps_any="aarch64 arm"
2262 vfpv3_deps="vfp"
2263 setend_deps="arm"
2264
2265 map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM
2266
2267 loongson2_deps="mips"
2268 loongson3_deps="mips"
2269 mipsfpu_deps="mips"
2270 mipsdsp_deps="mips"
2271 mipsdspr2_deps="mips"
2272 mips32r2_deps="mips"
2273 mips32r5_deps="mips"
2274 mips32r6_deps="mips"
2275 mips64r2_deps="mips"
2276 mips64r6_deps="mips"
2277 msa_deps="mipsfpu"
2278 mmi_deps="mips"
2279
2280 altivec_deps="ppc"
2281 dcbzl_deps="ppc"
2282 ldbrx_deps="ppc"
2283 ppc4xx_deps="ppc"
2284 vsx_deps="altivec"
2285 power8_deps="vsx"
2286
2287 cpunop_deps="i686"
2288 x86_64_select="i686"
2289 x86_64_suggest="fast_cmov"
2290
2291 amd3dnow_deps="mmx"
2292 amd3dnowext_deps="amd3dnow"
2293 i686_deps="x86"
2294 mmx_deps="x86"
2295 mmxext_deps="mmx"
2296 sse_deps="mmxext"
2297 sse2_deps="sse"
2298 sse3_deps="sse2"
2299 ssse3_deps="sse3"
2300 sse4_deps="ssse3"
2301 sse42_deps="sse4"
2302 aesni_deps="sse42"
2303 avx_deps="sse42"
2304 xop_deps="avx"
2305 fma3_deps="avx"
2306 fma4_deps="avx"
2307 avx2_deps="avx"
2308
2309 mmx_external_deps="yasm"
2310 mmx_inline_deps="inline_asm"
2311 mmx_suggest="mmx_external mmx_inline"
2312
2313 for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do
2314     eval dep=\$${ext}_deps
2315     eval ${ext}_external_deps='"${dep}_external"'
2316     eval ${ext}_inline_deps='"${dep}_inline"'
2317     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
2318 done
2319
2320 aligned_stack_if_any="aarch64 ppc x86"
2321 fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
2322 fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
2323 fast_unaligned_if_any="aarch64 ppc x86"
2324 simd_align_16_if_any="altivec neon sse"
2325 simd_align_32_if_any="avx"
2326
2327 # system capabilities
2328 symver_if_any="symver_asm_label symver_gnu_asm"
2329 valgrind_backtrace_deps="!optimizations valgrind_valgrind_h"
2330
2331 # threading support
2332 atomics_gcc_if="sync_val_compare_and_swap"
2333 atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"
2334 atomics_win32_if="MemoryBarrier"
2335 atomics_native_if_any="$ATOMICS_LIST"
2336 w32threads_deps="atomics_native"
2337 threads_if_any="$THREADS_LIST"
2338
2339 # subsystems
2340 dct_select="rdft"
2341 dirac_parse_select="golomb"
2342 error_resilience_select="me_cmp"
2343 faandct_deps="faan fdctdsp"
2344 faanidct_deps="faan idctdsp"
2345 h264dsp_select="startcode"
2346 hevcparse_select="golomb"
2347 frame_thread_encoder_deps="encoders threads"
2348 intrax8_select="blockdsp idctdsp"
2349 mdct_select="fft"
2350 mdct15_select="fft"
2351 me_cmp_select="fdctdsp idctdsp pixblockdsp"
2352 mpeg_er_select="error_resilience"
2353 mpegaudio_select="mpegaudiodsp mpegaudioheader"
2354 mpegaudiodsp_select="dct"
2355 mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"
2356 mpegvideoenc_select="me_cmp mpegvideo pixblockdsp qpeldsp"
2357 vc1dsp_select="h264chroma qpeldsp startcode"
2358 rdft_select="fft"
2359
2360 # decoders / encoders
2361 aac_decoder_select="mdct15 mdct sinewin"
2362 aac_fixed_decoder_select="mdct sinewin"
2363 aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"
2364 aac_latm_decoder_select="aac_decoder aac_latm_parser"
2365 ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"
2366 ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"
2367 ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"
2368 ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"
2369 adpcm_g722_decoder_select="g722dsp"
2370 adpcm_g722_encoder_select="g722dsp"
2371 aic_decoder_select="golomb idctdsp"
2372 alac_encoder_select="lpc"
2373 als_decoder_select="bswapdsp"
2374 amrnb_decoder_select="lsp"
2375 amrwb_decoder_select="lsp"
2376 amv_decoder_select="sp5x_decoder exif"
2377 amv_encoder_select="aandcttables jpegtables mpegvideoenc"
2378 ape_decoder_select="bswapdsp llauddsp"
2379 apng_decoder_select="zlib"
2380 apng_encoder_select="llvidencdsp zlib"
2381 asv1_decoder_select="blockdsp bswapdsp idctdsp"
2382 asv1_encoder_select="bswapdsp fdctdsp pixblockdsp"
2383 asv2_decoder_select="blockdsp bswapdsp idctdsp"
2384 asv2_encoder_select="bswapdsp fdctdsp pixblockdsp"
2385 atrac1_decoder_select="mdct sinewin"
2386 atrac3_decoder_select="mdct"
2387 atrac3p_decoder_select="mdct sinewin"
2388 avrn_decoder_select="exif jpegtables"
2389 bink_decoder_select="blockdsp hpeldsp"
2390 binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"
2391 binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"
2392 cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"
2393 cllc_decoder_select="bswapdsp"
2394 comfortnoise_encoder_select="lpc"
2395 cook_decoder_select="audiodsp mdct sinewin"
2396 cscd_decoder_select="lzo"
2397 cscd_decoder_suggest="zlib"
2398 dca_decoder_select="mdct"
2399 dds_decoder_select="texturedsp"
2400 dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"
2401 dnxhd_decoder_select="blockdsp idctdsp"
2402 dnxhd_encoder_select="aandcttables blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"
2403 dvvideo_decoder_select="dvprofile idctdsp"
2404 dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"
2405 dxa_decoder_select="zlib"
2406 dxv_decoder_select="lzf texturedsp"
2407 eac3_decoder_select="ac3_decoder"
2408 eac3_encoder_select="ac3_encoder"
2409 eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"
2410 eatgq_decoder_select="aandcttables"
2411 eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"
2412 exr_decoder_select="zlib"
2413 ffv1_decoder_select="rangecoder"
2414 ffv1_encoder_select="rangecoder"
2415 ffvhuff_decoder_select="huffyuv_decoder"
2416 ffvhuff_encoder_select="huffyuv_encoder"
2417 fic_decoder_select="golomb"
2418 flac_decoder_select="flacdsp"
2419 flac_encoder_select="bswapdsp flacdsp lpc"
2420 flashsv2_decoder_select="zlib"
2421 flashsv2_encoder_select="zlib"
2422 flashsv_decoder_select="zlib"
2423 flashsv_encoder_select="zlib"
2424 flv_decoder_select="h263_decoder"
2425 flv_encoder_select="h263_encoder"
2426 fourxm_decoder_select="blockdsp bswapdsp"
2427 fraps_decoder_select="bswapdsp huffman"
2428 g2m_decoder_select="blockdsp idctdsp jpegtables zlib"
2429 g729_decoder_select="audiodsp"
2430 h261_decoder_select="mpegvideo"
2431 h261_encoder_select="aandcttables mpegvideoenc"
2432 h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"
2433 h263_encoder_select="aandcttables h263dsp mpegvideoenc"
2434 h263i_decoder_select="h263_decoder"
2435 h263p_decoder_select="h263_decoder"
2436 h263p_encoder_select="h263_encoder"
2437 h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"
2438 h264_decoder_suggest="error_resilience"
2439 hap_decoder_select="snappy texturedsp"
2440 hap_encoder_deps="libsnappy"
2441 hap_encoder_select="texturedspenc"
2442 hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"
2443 huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"
2444 huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"
2445 iac_decoder_select="imc_decoder"
2446 imc_decoder_select="bswapdsp fft mdct sinewin"
2447 indeo3_decoder_select="hpeldsp"
2448 indeo4_decoder_select="ividsp"
2449 indeo5_decoder_select="ividsp"
2450 interplay_video_decoder_select="hpeldsp"
2451 jpegls_decoder_select="mjpeg_decoder"
2452 jv_decoder_select="blockdsp"
2453 lagarith_decoder_select="llviddsp"
2454 ljpeg_encoder_select="aandcttables idctdsp jpegtables mpegvideoenc"
2455 magicyuv_decoder_select="llviddsp"
2456 mdec_decoder_select="blockdsp idctdsp mpegvideo"
2457 metasound_decoder_select="lsp mdct sinewin"
2458 mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"
2459 mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"
2460 mjpeg_encoder_select="aandcttables jpegtables mpegvideoenc"
2461 mjpegb_decoder_select="mjpeg_decoder"
2462 mlp_decoder_select="mlp_parser"
2463 mlp_encoder_select="lpc"
2464 motionpixels_decoder_select="bswapdsp"
2465 mp1_decoder_select="mpegaudio"
2466 mp1float_decoder_select="mpegaudio"
2467 mp2_decoder_select="mpegaudio"
2468 mp2float_decoder_select="mpegaudio"
2469 mp3_decoder_select="mpegaudio"
2470 mp3adu_decoder_select="mpegaudio"
2471 mp3adufloat_decoder_select="mpegaudio"
2472 mp3float_decoder_select="mpegaudio"
2473 mp3on4_decoder_select="mpegaudio"
2474 mp3on4float_decoder_select="mpegaudio"
2475 mpc7_decoder_select="bswapdsp mpegaudiodsp"
2476 mpc8_decoder_select="mpegaudiodsp"
2477 mpeg_xvmc_decoder_deps="X11_extensions_XvMClib_h"
2478 mpeg_xvmc_decoder_select="mpeg2video_decoder"
2479 mpegvideo_decoder_select="mpegvideo"
2480 mpeg1video_decoder_select="mpegvideo"
2481 mpeg1video_encoder_select="aandcttables mpegvideoenc h263dsp"
2482 mpeg2video_decoder_select="mpegvideo"
2483 mpeg2video_encoder_select="aandcttables mpegvideoenc h263dsp"
2484 mpeg4_decoder_select="h263_decoder mpeg4video_parser"
2485 mpeg4_encoder_select="h263_encoder"
2486 msa1_decoder_select="mss34dsp"
2487 mscc_decoder_select="zlib"
2488 msmpeg4v1_decoder_select="h263_decoder"
2489 msmpeg4v2_decoder_select="h263_decoder"
2490 msmpeg4v2_encoder_select="h263_encoder"
2491 msmpeg4v3_decoder_select="h263_decoder"
2492 msmpeg4v3_encoder_select="h263_encoder"
2493 mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"
2494 mts2_decoder_select="mss34dsp"
2495 mxpeg_decoder_select="mjpeg_decoder"
2496 nellymoser_decoder_select="mdct sinewin"
2497 nellymoser_encoder_select="audio_frame_queue mdct sinewin"
2498 nuv_decoder_select="idctdsp lzo"
2499 on2avc_decoder_select="mdct"
2500 opus_decoder_deps="swresample"
2501 opus_decoder_select="mdct15"
2502 opus_encoder_select="audio_frame_queue mdct15"
2503 png_decoder_select="zlib"
2504 png_encoder_select="llvidencdsp zlib"
2505 prores_decoder_select="blockdsp idctdsp"
2506 prores_encoder_select="fdctdsp"
2507 qcelp_decoder_select="lsp"
2508 qdm2_decoder_select="mdct rdft mpegaudiodsp"
2509 ra_144_decoder_select="audiodsp"
2510 ra_144_encoder_select="audio_frame_queue lpc audiodsp"
2511 ralf_decoder_select="golomb"
2512 rawvideo_decoder_select="bswapdsp"
2513 rscc_decoder_select="zlib"
2514 rtjpeg_decoder_select="me_cmp"
2515 rv10_decoder_select="h263_decoder"
2516 rv10_encoder_select="h263_encoder"
2517 rv20_decoder_select="h263_decoder"
2518 rv20_encoder_select="h263_encoder"
2519 rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2520 rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"
2521 screenpresso_decoder_select="zlib"
2522 shorten_decoder_select="bswapdsp"
2523 sipr_decoder_select="lsp"
2524 snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"
2525 snow_encoder_select="aandcttables dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"
2526 sonic_decoder_select="golomb rangecoder"
2527 sonic_encoder_select="golomb rangecoder"
2528 sonic_ls_encoder_select="golomb rangecoder"
2529 sp5x_decoder_select="mjpeg_decoder"
2530 srgc_decoder_select="zlib"
2531 svq1_decoder_select="hpeldsp"
2532 svq1_encoder_select="aandcttables hpeldsp me_cmp mpegvideoenc"
2533 svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"
2534 svq3_decoder_suggest="zlib"
2535 tak_decoder_select="audiodsp"
2536 tdsc_decoder_select="zlib mjpeg_decoder"
2537 theora_decoder_select="vp3_decoder"
2538 thp_decoder_select="mjpeg_decoder"
2539 tiff_decoder_suggest="zlib lzma"
2540 tiff_encoder_suggest="zlib"
2541 truehd_decoder_select="mlp_parser"
2542 truehd_encoder_select="lpc"
2543 truemotion2_decoder_select="bswapdsp"
2544 truespeech_decoder_select="bswapdsp"
2545 tscc_decoder_select="zlib"
2546 twinvq_decoder_select="mdct lsp sinewin"
2547 txd_decoder_select="texturedsp"
2548 utvideo_decoder_select="bswapdsp llviddsp"
2549 utvideo_encoder_select="bswapdsp huffman llvidencdsp"
2550 vble_decoder_select="llviddsp"
2551 vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"
2552 vc1_qsv_decoder_deps="libmfx"
2553 vc1_qsv_decoder_select="qsvdec vc1_qsv_hwaccel vc1_parser"
2554 vc1image_decoder_select="vc1_decoder"
2555 vorbis_decoder_select="mdct"
2556 vorbis_encoder_select="mdct"
2557 vp3_decoder_select="hpeldsp vp3dsp videodsp"
2558 vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"
2559 vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"
2560 vp6a_decoder_select="vp6_decoder"
2561 vp6f_decoder_select="vp6_decoder"
2562 vp7_decoder_select="h264pred videodsp vp8dsp"
2563 vp8_decoder_select="h264pred videodsp vp8dsp"
2564 vp9_decoder_select="videodsp vp9_parser"
2565 webp_decoder_select="vp8_decoder exif"
2566 wmalossless_decoder_select="llauddsp"
2567 wmapro_decoder_select="mdct sinewin wma_freqs"
2568 wmav1_decoder_select="mdct sinewin wma_freqs"
2569 wmav1_encoder_select="mdct sinewin wma_freqs"
2570 wmav2_decoder_select="mdct sinewin wma_freqs"
2571 wmav2_encoder_select="mdct sinewin wma_freqs"
2572 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
2573 wmv1_decoder_select="h263_decoder"
2574 wmv1_encoder_select="h263_encoder"
2575 wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"
2576 wmv2_encoder_select="h263_encoder wmv2dsp"
2577 wmv3_decoder_select="vc1_decoder"
2578 wmv3image_decoder_select="wmv3_decoder"
2579 xma1_decoder_select="wmapro_decoder"
2580 xma2_decoder_select="wmapro_decoder"
2581 zerocodec_decoder_select="zlib"
2582 zlib_decoder_select="zlib"
2583 zlib_encoder_select="zlib"
2584 zmbv_decoder_select="zlib"
2585 zmbv_encoder_select="zlib"
2586
2587 # platform codecs
2588 audiotoolbox_deps="AudioToolbox_AudioToolbox_h"
2589 audiotoolbox_extralibs="-framework CoreFoundation -framework AudioToolbox -framework CoreMedia"
2590
2591 # hardware accelerators
2592 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
2593 cuda_deps_any="dlopen LoadLibrary"
2594 cuvid_deps="cuda"
2595 d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
2596 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
2597 dxva2_extralibs="-luser32"
2598 dxva2_lib_deps="dxva2"
2599 vda_framework_deps="VideoDecodeAcceleration_VDADecoder_h"
2600 vda_framework_extralibs="-framework VideoDecodeAcceleration"
2601 vda_deps="vda_framework pthreads"
2602 vda_extralibs="-framework CoreFoundation -framework QuartzCore"
2603 videotoolbox_hwaccel_deps="videotoolbox pthreads"
2604 videotoolbox_hwaccel_extralibs="-framework QuartzCore"
2605 xvmc_deps="X11_extensions_XvMClib_h"
2606
2607 h263_vaapi_hwaccel_deps="vaapi"
2608 h263_vaapi_hwaccel_select="h263_decoder"
2609 h263_videotoolbox_hwaccel_deps="videotoolbox"
2610 h263_videotoolbox_hwaccel_select="h263_decoder"
2611 h264_cuvid_hwaccel_deps="cuda cuvid"
2612 h264_cuvid_hwaccel_select="h264_cuvid_decoder"
2613 h264_d3d11va_hwaccel_deps="d3d11va"
2614 h264_d3d11va_hwaccel_select="h264_decoder"
2615 h264_dxva2_hwaccel_deps="dxva2"
2616 h264_dxva2_hwaccel_select="h264_decoder"
2617 h264_mediacodec_hwaccel_deps="mediacodec"
2618 h264_mmal_hwaccel_deps="mmal"
2619 h264_qsv_hwaccel_deps="libmfx"
2620 h264_vaapi_hwaccel_deps="vaapi"
2621 h264_vaapi_hwaccel_select="h264_decoder"
2622 h264_vda_hwaccel_deps="vda"
2623 h264_vda_hwaccel_select="h264_decoder"
2624 h264_vda_old_hwaccel_deps="vda"
2625 h264_vda_old_hwaccel_select="h264_decoder"
2626 h264_vdpau_hwaccel_deps="vdpau"
2627 h264_vdpau_hwaccel_select="h264_decoder"
2628 h264_videotoolbox_hwaccel_deps="videotoolbox"
2629 h264_videotoolbox_hwaccel_select="h264_decoder"
2630 hevc_cuvid_hwaccel_deps="cuda cuvid"
2631 hevc_cuvid_hwaccel_select="hevc_cuvid_decoder"
2632 hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"
2633 hevc_d3d11va_hwaccel_select="hevc_decoder"
2634 hevc_mediacodec_hwaccel_deps="mediacodec"
2635 hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"
2636 hevc_dxva2_hwaccel_select="hevc_decoder"
2637 hevc_qsv_hwaccel_deps="libmfx"
2638 hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"
2639 hevc_vaapi_hwaccel_select="hevc_decoder"
2640 hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"
2641 hevc_vdpau_hwaccel_select="hevc_decoder"
2642 mjpeg_cuvid_hwaccel_deps="cuda cuvid"
2643 mjpeg_cuvid_hwaccel_select="mjpeg_cuvid_decoder"
2644 mpeg_xvmc_hwaccel_deps="xvmc"
2645 mpeg_xvmc_hwaccel_select="mpeg2video_decoder"
2646 mpeg1_cuvid_hwaccel_deps="cuda cuvid"
2647 mpeg1_cuvid_hwaccel_select="mpeg1_cuvid_decoder"
2648 mpeg1_vdpau_hwaccel_deps="vdpau"
2649 mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"
2650 mpeg1_videotoolbox_hwaccel_deps="videotoolbox"
2651 mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"
2652 mpeg1_xvmc_hwaccel_deps="xvmc"
2653 mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"
2654 mpeg2_cuvid_hwaccel_deps="cuda cuvid"
2655 mpeg2_cuvid_hwaccel_select="mpeg2_cuvid_decoder"
2656 mpeg2_d3d11va_hwaccel_deps="d3d11va"
2657 mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"
2658 mpeg2_dxva2_hwaccel_deps="dxva2"
2659 mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"
2660 mpeg2_mmal_hwaccel_deps="mmal"
2661 mpeg2_qsv_hwaccel_deps="libmfx"
2662 mpeg2_qsv_hwaccel_select="qsvdec_mpeg2"
2663 mpeg2_vaapi_hwaccel_deps="vaapi"
2664 mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
2665 mpeg2_vdpau_hwaccel_deps="vdpau"
2666 mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
2667 mpeg2_videotoolbox_hwaccel_deps="videotoolbox"
2668 mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"
2669 mpeg2_xvmc_hwaccel_deps="xvmc"
2670 mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"
2671 mpeg4_cuvid_hwaccel_deps="cuda cuvid"
2672 mpeg4_cuvid_hwaccel_select="mpeg4_cuvid_decoder"
2673 mpeg4_mediacodec_hwaccel_deps="mediacodec"
2674 mpeg4_mmal_hwaccel_deps="mmal"
2675 mpeg4_vaapi_hwaccel_deps="vaapi"
2676 mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
2677 mpeg4_vdpau_hwaccel_deps="vdpau"
2678 mpeg4_vdpau_hwaccel_select="mpeg4_decoder"
2679 mpeg4_videotoolbox_hwaccel_deps="videotoolbox"
2680 mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"
2681 vc1_cuvid_hwaccel_deps="cuda cuvid"
2682 vc1_cuvid_hwaccel_select="vc1_cuvid_decoder"
2683 vc1_d3d11va_hwaccel_deps="d3d11va"
2684 vc1_d3d11va_hwaccel_select="vc1_decoder"
2685 vc1_dxva2_hwaccel_deps="dxva2"
2686 vc1_dxva2_hwaccel_select="vc1_decoder"
2687 vc1_mmal_hwaccel_deps="mmal"
2688 vc1_qsv_hwaccel_deps="libmfx"
2689 vc1_qsv_hwaccel_select="qsvdec_vc1"
2690 vc1_vaapi_hwaccel_deps="vaapi"
2691 vc1_vaapi_hwaccel_select="vc1_decoder"
2692 vc1_vdpau_hwaccel_deps="vdpau"
2693 vc1_vdpau_hwaccel_select="vc1_decoder"
2694 vp8_cuvid_hwaccel_deps="cuda cuvid"
2695 vp8_cuvid_hwaccel_select="vp8_cuvid_decoder"
2696 vp9_cuvid_hwaccel_deps="cuda cuvid"
2697 vp9_cuvid_hwaccel_select="vp9_cuvid_decoder"
2698 vp8_mediacodec_hwaccel_deps="mediacodec"
2699 vp8_qsv_hwaccel_deps="libmfx"
2700 vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"
2701 vp9_d3d11va_hwaccel_select="vp9_decoder"
2702 vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"
2703 vp9_dxva2_hwaccel_select="vp9_decoder"
2704 vp9_mediacodec_hwaccel_deps="mediacodec"
2705 vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"
2706 vp9_vaapi_hwaccel_select="vp9_decoder"
2707 wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"
2708 wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
2709 wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
2710 wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
2711
2712 # hardware-accelerated codecs
2713 omx_deps="dlopen pthreads"
2714 omx_extralibs='$ldl'
2715 omx_rpi_select="omx"
2716 qsvdec_select="qsv"
2717 qsvenc_select="qsv"
2718 vaapi_encode_deps="vaapi"
2719
2720 hwupload_cuda_filter_deps="cuda"
2721 scale_npp_filter_deps="cuda_sdk libnpp"
2722
2723 nvenc_deps="cuda"
2724 nvenc_deps_any="dlopen LoadLibrary"
2725 nvenc_encoder_deps="nvenc"
2726
2727 h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"
2728 h264_cuvid_decoder_deps="cuda cuvid"
2729 h264_cuvid_decoder_select="h264_mp4toannexb_bsf"
2730 h264_mediacodec_decoder_deps="mediacodec"
2731 h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"
2732 h264_mmal_decoder_deps="mmal"
2733 h264_nvenc_encoder_deps="nvenc"
2734 h264_omx_encoder_deps="omx"
2735 h264_qsv_decoder_deps="libmfx"
2736 h264_qsv_decoder_select="h264_mp4toannexb_bsf h264_parser qsvdec h264_qsv_hwaccel"
2737 h264_qsv_encoder_deps="libmfx"
2738 h264_qsv_encoder_select="qsvenc"
2739 h264_vaapi_encoder_deps="VAEncPictureParameterBufferH264"
2740 h264_vaapi_encoder_select="vaapi_encode golomb"
2741 h264_vda_decoder_deps="vda"
2742 h264_vda_decoder_select="h264_decoder"
2743 h264_vdpau_decoder_deps="vdpau"
2744 h264_vdpau_decoder_select="h264_decoder"
2745 hevc_cuvid_decoder_deps="cuda cuvid"
2746 hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"
2747 hevc_mediacodec_decoder_deps="mediacodec"
2748 hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"
2749 hevc_nvenc_encoder_deps="nvenc"
2750 hevc_qsv_decoder_deps="libmfx"
2751 hevc_qsv_decoder_select="hevc_mp4toannexb_bsf hevc_parser qsvdec hevc_qsv_hwaccel"
2752 hevc_qsv_encoder_deps="libmfx"
2753 hevc_qsv_encoder_select="hevcparse qsvenc"
2754 hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"
2755 hevc_vaapi_encoder_select="vaapi_encode golomb"
2756 mjpeg_cuvid_decoder_deps="cuda cuvid"
2757 mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"
2758 mjpeg_vaapi_encoder_select="vaapi_encode jpegtables"
2759 mpeg1_cuvid_decoder_deps="cuda cuvid"
2760 mpeg1_vdpau_decoder_deps="vdpau"
2761 mpeg1_vdpau_decoder_select="mpeg1video_decoder"
2762 mpeg2_crystalhd_decoder_select="crystalhd"
2763 mpeg2_cuvid_decoder_deps="cuda cuvid"
2764 mpeg2_mmal_decoder_deps="mmal"
2765 mpeg2_qsv_decoder_deps="libmfx"
2766 mpeg2_qsv_decoder_select="qsvdec mpeg2_qsv_hwaccel"
2767 mpeg2_qsv_encoder_deps="libmfx"
2768 mpeg2_qsv_encoder_select="qsvenc"
2769 mpeg2_vaapi_encoder_deps="VAEncPictureParameterBufferMPEG2"
2770 mpeg2_vaapi_encoder_select="vaapi_encode"
2771 mpeg4_crystalhd_decoder_select="crystalhd"
2772 mpeg4_cuvid_decoder_deps="cuda cuvid"
2773 mpeg4_mediacodec_decoder_deps="mediacodec"
2774 mpeg4_mmal_decoder_deps="mmal"
2775 mpeg4_omx_encoder_deps="omx"
2776 mpeg4_vdpau_decoder_deps="vdpau"
2777 mpeg4_vdpau_decoder_select="mpeg4_decoder"
2778 mpeg_vdpau_decoder_deps="vdpau"
2779 mpeg_vdpau_decoder_select="mpeg2video_decoder"
2780 msmpeg4_crystalhd_decoder_select="crystalhd"
2781 nvenc_h264_encoder_select="h264_nvenc_encoder"
2782 nvenc_hevc_encoder_select="hevc_nvenc_encoder"
2783 vc1_crystalhd_decoder_select="crystalhd"
2784 vc1_cuvid_decoder_deps="cuda cuvid"
2785 vc1_mmal_decoder_deps="mmal"
2786 vc1_vdpau_decoder_deps="vdpau"
2787 vc1_vdpau_decoder_select="vc1_decoder"
2788 vp8_cuvid_decoder_deps="cuda cuvid"
2789 vp8_mediacodec_decoder_deps="mediacodec"
2790 vp8_qsv_decoder_deps="libmfx"
2791 vp8_qsv_decoder_select="qsvdec vp8_qsv_hwaccel vp8_parser"
2792 vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"
2793 vp8_vaapi_encoder_select="vaapi_encode"
2794 vp9_cuvid_decoder_deps="cuda cuvid"
2795 vp9_mediacodec_decoder_deps="mediacodec"
2796 wmv3_crystalhd_decoder_select="crystalhd"
2797 wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
2798
2799 # parsers
2800 h264_parser_select="golomb h264dsp h264parse"
2801 hevc_parser_select="hevcparse"
2802 mpegaudio_parser_select="mpegaudioheader"
2803 mpegvideo_parser_select="mpegvideo"
2804 mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"
2805 vc1_parser_select="vc1dsp"
2806
2807 # bitstream_filters
2808 mjpeg2jpeg_bsf_select="jpegtables"
2809
2810 # external libraries
2811 aac_at_decoder_deps="audiotoolbox"
2812 ac3_at_decoder_deps="audiotoolbox"
2813 ac3_at_decoder_select="ac3_parser"
2814 adpcm_ima_qt_at_decoder_deps="audiotoolbox"
2815 alac_at_decoder_deps="audiotoolbox"
2816 amr_nb_at_decoder_deps="audiotoolbox"
2817 avisynth_deps_any="dlopen LoadLibrary"
2818 avisynth_demuxer_deps="avisynth"
2819 avisynth_demuxer_select="riffdec"
2820 eac3_at_decoder_deps="audiotoolbox"
2821 eac3_at_decoder_select="ac3_parser"
2822 gsm_ms_at_decoder_deps="audiotoolbox"
2823 ilbc_at_decoder_deps="audiotoolbox"
2824 mp1_at_decoder_deps="audiotoolbox"
2825 mp2_at_decoder_deps="audiotoolbox"
2826 mp3_at_decoder_deps="audiotoolbox"
2827 mp1_at_decoder_select="mpegaudioheader"
2828 mp2_at_decoder_select="mpegaudioheader"
2829 mp3_at_decoder_select="mpegaudioheader"
2830 pcm_alaw_at_decoder_deps="audiotoolbox"
2831 pcm_mulaw_at_decoder_deps="audiotoolbox"
2832 qdmc_at_decoder_deps="audiotoolbox"
2833 qdm2_at_decoder_deps="audiotoolbox"
2834 aac_at_encoder_deps="audiotoolbox"
2835 aac_at_encoder_select="audio_frame_queue"
2836 alac_at_encoder_deps="audiotoolbox"
2837 alac_at_encoder_select="audio_frame_queue"
2838 ilbc_at_encoder_deps="audiotoolbox"
2839 ilbc_at_encoder_select="audio_frame_queue"
2840 pcm_alaw_at_encoder_deps="audiotoolbox"
2841 pcm_alaw_at_encoder_select="audio_frame_queue"
2842 pcm_mulaw_at_encoder_deps="audiotoolbox"
2843 pcm_mulaw_at_encoder_select="audio_frame_queue"
2844 chromaprint_muxer_deps="chromaprint"
2845 h264_videotoolbox_encoder_deps="videotoolbox_encoder pthreads"
2846 libcelt_decoder_deps="libcelt"
2847 libfdk_aac_decoder_deps="libfdk_aac"
2848 libfdk_aac_encoder_deps="libfdk_aac"
2849 libfdk_aac_encoder_select="audio_frame_queue"
2850 libgme_demuxer_deps="libgme"
2851 libgsm_decoder_deps="libgsm"
2852 libgsm_encoder_deps="libgsm"
2853 libgsm_ms_decoder_deps="libgsm"
2854 libgsm_ms_encoder_deps="libgsm"
2855 libilbc_decoder_deps="libilbc"
2856 libilbc_encoder_deps="libilbc"
2857 libkvazaar_encoder_deps="libkvazaar"
2858 libmodplug_demuxer_deps="libmodplug"
2859 libmp3lame_encoder_deps="libmp3lame"
2860 libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"
2861 libopencore_amrnb_decoder_deps="libopencore_amrnb"
2862 libopencore_amrnb_encoder_deps="libopencore_amrnb"
2863 libopencore_amrnb_encoder_select="audio_frame_queue"
2864 libopencore_amrwb_decoder_deps="libopencore_amrwb"
2865 libopenh264_decoder_deps="libopenh264"
2866 libopenh264_decoder_select="h264_mp4toannexb_bsf"
2867 libopenh264_encoder_deps="libopenh264"
2868 libopenjpeg_decoder_deps="libopenjpeg"
2869 libopenjpeg_encoder_deps="libopenjpeg"
2870 libopenmpt_demuxer_deps="libopenmpt"
2871 libopus_decoder_deps="libopus"
2872 libopus_encoder_deps="libopus"
2873 libopus_encoder_select="audio_frame_queue"
2874 libschroedinger_decoder_deps="libschroedinger"
2875 libschroedinger_encoder_deps="libschroedinger"
2876 libshine_encoder_deps="libshine"
2877 libshine_encoder_select="audio_frame_queue"
2878 libspeex_decoder_deps="libspeex"
2879 libspeex_encoder_deps="libspeex"
2880 libspeex_encoder_select="audio_frame_queue"
2881 libtheora_encoder_deps="libtheora"
2882 libtwolame_encoder_deps="libtwolame"
2883 libvo_amrwbenc_encoder_deps="libvo_amrwbenc"
2884 libvorbis_decoder_deps="libvorbis"
2885 libvorbis_encoder_deps="libvorbis"
2886 libvorbis_encoder_select="audio_frame_queue"
2887 libvpx_vp8_decoder_deps="libvpx"
2888 libvpx_vp8_encoder_deps="libvpx"
2889 libvpx_vp9_decoder_deps="libvpx"
2890 libvpx_vp9_encoder_deps="libvpx"
2891 libwavpack_encoder_deps="libwavpack"
2892 libwavpack_encoder_select="audio_frame_queue"
2893 libwebp_encoder_deps="libwebp"
2894 libwebp_anim_encoder_deps="libwebp"
2895 libx262_encoder_deps="libx262"
2896 libx264_encoder_deps="libx264"
2897 libx264rgb_encoder_deps="libx264 x264_csp_bgr"
2898 libx264rgb_encoder_select="libx264_encoder"
2899 libx265_encoder_deps="libx265"
2900 libxavs_encoder_deps="libxavs"
2901 libxvid_encoder_deps="libxvid"
2902 libzvbi_teletext_decoder_deps="libzvbi"
2903 videotoolbox_deps="VideoToolbox_VideoToolbox_h"
2904 videotoolbox_extralibs="-framework CoreFoundation -framework VideoToolbox -framework CoreMedia -framework CoreVideo"
2905 videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"
2906 videotoolbox_encoder_suggest="vda_framework vt_bt2020"
2907 vt_bt2020_deps="kCVImageBufferColorPrimaries_ITU_R_2020"
2908
2909 # demuxers / muxers
2910 ac3_demuxer_select="ac3_parser"
2911 aiff_muxer_select="iso_media"
2912 asf_demuxer_select="riffdec"
2913 asf_o_demuxer_select="riffdec"
2914 asf_muxer_select="riffenc"
2915 asf_stream_muxer_select="asf_muxer"
2916 avi_demuxer_select="iso_media riffdec exif"
2917 avi_muxer_select="riffenc"
2918 caf_demuxer_select="iso_media riffdec"
2919 caf_muxer_select="iso_media"
2920 dash_muxer_select="mp4_muxer"
2921 dirac_demuxer_select="dirac_parser"
2922 dts_demuxer_select="dca_parser"
2923 dtshd_demuxer_select="dca_parser"
2924 dv_demuxer_select="dvprofile"
2925 dv_muxer_select="dvprofile"
2926 dxa_demuxer_select="riffdec"
2927 eac3_demuxer_select="ac3_parser"
2928 f4v_muxer_select="mov_muxer"
2929 fifo_muxer_deps="threads"
2930 flac_demuxer_select="flac_parser"
2931 hds_muxer_select="flv_muxer"
2932 hls_muxer_select="mpegts_muxer"
2933 image2_alias_pix_demuxer_select="image2_demuxer"
2934 image2_brender_pix_demuxer_select="image2_demuxer"
2935 ipod_muxer_select="mov_muxer"
2936 ismv_muxer_select="mov_muxer"
2937 libnut_demuxer_deps="libnut"
2938 libnut_muxer_deps="libnut"
2939 matroska_audio_muxer_select="matroska_muxer"
2940 matroska_demuxer_select="iso_media riffdec"
2941 matroska_demuxer_suggest="bzlib lzo zlib"
2942 matroska_muxer_select="iso_media riffenc"
2943 mmf_muxer_select="riffenc"
2944 mov_demuxer_select="iso_media riffdec"
2945 mov_demuxer_suggest="zlib"
2946 mov_muxer_select="iso_media riffenc rtpenc_chain"
2947 mp3_demuxer_select="mpegaudio_parser"
2948 mp3_muxer_select="mpegaudioheader"
2949 mp4_muxer_select="mov_muxer"
2950 mpegts_demuxer_select="iso_media"
2951 mpegts_muxer_select="adts_muxer latm_muxer"
2952 mpegtsraw_demuxer_select="mpegts_demuxer"
2953 mxf_d10_muxer_select="mxf_muxer"
2954 mxf_opatom_muxer_select="mxf_muxer"
2955 nut_muxer_select="riffenc"
2956 nuv_demuxer_select="riffdec"
2957 oga_muxer_select="ogg_muxer"
2958 ogg_demuxer_select="dirac_parse"
2959 ogv_muxer_select="ogg_muxer"
2960 opus_muxer_select="ogg_muxer"
2961 psp_muxer_select="mov_muxer"
2962 rtp_demuxer_select="sdp_demuxer"
2963 rtp_muxer_select="golomb"
2964 rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"
2965 rtsp_demuxer_select="http_protocol rtpdec"
2966 rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"
2967 sap_demuxer_select="sdp_demuxer"
2968 sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"
2969 sdp_demuxer_select="rtpdec"
2970 smoothstreaming_muxer_select="ismv_muxer"
2971 spdif_muxer_select="aac_parser"
2972 spx_muxer_select="ogg_muxer"
2973 swf_demuxer_suggest="zlib"
2974 tak_demuxer_select="tak_parser"
2975 tg2_muxer_select="mov_muxer"
2976 tgp_muxer_select="mov_muxer"
2977 vobsub_demuxer_select="mpegps_demuxer"
2978 w64_demuxer_select="wav_demuxer"
2979 w64_muxer_select="wav_muxer"
2980 wav_demuxer_select="riffdec"
2981 wav_muxer_select="riffenc"
2982 webm_muxer_select="iso_media riffenc"
2983 webm_dash_manifest_demuxer_select="matroska_demuxer"
2984 wtv_demuxer_select="mpegts_demuxer riffdec"
2985 wtv_muxer_select="mpegts_muxer riffenc"
2986 xmv_demuxer_select="riffdec"
2987 xwma_demuxer_select="riffdec"
2988
2989 # indevs / outdevs
2990 alsa_indev_deps="alsa"
2991 alsa_outdev_deps="alsa"
2992 avfoundation_indev_deps="pthreads"
2993 avfoundation_indev_extralibs="-framework Foundation -framework AVFoundation -framework CoreVideo -framework CoreMedia"
2994 bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"
2995 caca_outdev_deps="libcaca"
2996 decklink_indev_deps="decklink threads"
2997 decklink_indev_extralibs="-lstdc++"
2998 decklink_outdev_deps="decklink threads"
2999 decklink_outdev_extralibs="-lstdc++"
3000 dshow_indev_deps="IBaseFilter"
3001 dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"
3002 dv1394_indev_deps="dv1394"
3003 dv1394_indev_select="dv_demuxer"
3004 fbdev_indev_deps="linux_fb_h"
3005 fbdev_outdev_deps="linux_fb_h"
3006 gdigrab_indev_deps="CreateDIBSection"
3007 gdigrab_indev_extralibs="-lgdi32"
3008 gdigrab_indev_select="bmp_decoder"
3009 iec61883_indev_deps="libiec61883"
3010 jack_indev_deps="jack"
3011 jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"
3012 lavfi_indev_deps="avfilter"
3013 libcdio_indev_deps="libcdio"
3014 libdc1394_indev_deps="libdc1394"
3015 libv4l2_indev_deps="libv4l2"
3016 openal_indev_deps="openal"
3017 opengl_outdev_deps="opengl"
3018 oss_indev_deps_any="soundcard_h sys_soundcard_h"
3019 oss_outdev_deps_any="soundcard_h sys_soundcard_h"
3020 pulse_indev_deps="libpulse"
3021 pulse_outdev_deps="libpulse"
3022 qtkit_indev_extralibs="-framework QTKit -framework Foundation -framework QuartzCore"
3023 qtkit_indev_select="qtkit"
3024 sdl2_outdev_deps="sdl2"
3025 sndio_indev_deps="sndio"
3026 sndio_outdev_deps="sndio"
3027 v4l_indev_deps="linux_videodev_h"
3028 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
3029 v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"
3030 vfwcap_indev_deps="vfw32 vfwcap_defines"
3031 xcbgrab_indev_deps="libxcb"
3032 xv_outdev_deps="X11_extensions_Xvlib_h XvGetPortAttribute"
3033 xv_outdev_extralibs="-lXv -lX11 -lXext"
3034
3035 # protocols
3036 async_protocol_deps="threads"
3037 bluray_protocol_deps="libbluray"
3038 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
3039 ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl"
3040 ffrtmpcrypt_protocol_select="tcp_protocol"
3041 ffrtmphttp_protocol_deps="!librtmp_protocol"
3042 ffrtmphttp_protocol_select="http_protocol"
3043 ftp_protocol_select="tcp_protocol"
3044 gopher_protocol_select="network"
3045 http_protocol_select="tcp_protocol"
3046 httpproxy_protocol_select="tcp_protocol"
3047 https_protocol_select="tls_protocol"
3048 icecast_protocol_select="http_protocol"
3049 librtmp_protocol_deps="librtmp"
3050 librtmpe_protocol_deps="librtmp"
3051 librtmps_protocol_deps="librtmp"
3052 librtmpt_protocol_deps="librtmp"
3053 librtmpte_protocol_deps="librtmp"
3054 libsmbclient_protocol_deps="libsmbclient gplv3"
3055 libssh_protocol_deps="libssh"
3056 mmsh_protocol_select="http_protocol"
3057 mmst_protocol_select="network"
3058 rtmp_protocol_deps="!librtmp_protocol"
3059 rtmp_protocol_select="tcp_protocol"
3060 rtmpe_protocol_select="ffrtmpcrypt_protocol"
3061 rtmps_protocol_deps="!librtmp_protocol"
3062 rtmps_protocol_select="tls_protocol"
3063 rtmpt_protocol_select="ffrtmphttp_protocol"
3064 rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"
3065 rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"
3066 rtp_protocol_select="udp_protocol"
3067 sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"
3068 sctp_protocol_select="network"
3069 srtp_protocol_select="rtp_protocol srtp"
3070 tcp_protocol_select="network"
3071 tls_gnutls_protocol_deps="gnutls !tls_schannel_protocol !tls_securetransport_protocol"
3072 tls_gnutls_protocol_select="tcp_protocol"
3073 tls_openssl_protocol_deps="openssl !tls_schannel_protocol !tls_securetransport_protocol !tls_gnutls_protocol"
3074 tls_openssl_protocol_select="tcp_protocol"
3075 tls_schannel_protocol_deps="schannel"
3076 tls_schannel_protocol_select="tcp_protocol"
3077 tls_securetransport_protocol_deps="securetransport"
3078 tls_securetransport_protocol_select="tcp_protocol"
3079 tls_protocol_deps_any="tls_schannel_protocol tls_securetransport_protocol tls_gnutls_protocol tls_openssl_protocol"
3080 udp_protocol_select="network"
3081 udplite_protocol_select="network"
3082 unix_protocol_deps="sys_un_h"
3083 unix_protocol_select="network"
3084
3085 # filters
3086 afftfilt_filter_deps="avcodec"
3087 afftfilt_filter_select="fft"
3088 afir_filter_deps="avcodec"
3089 afir_filter_select="fft"
3090 amovie_filter_deps="avcodec avformat"
3091 aresample_filter_deps="swresample"
3092 ass_filter_deps="libass"
3093 atempo_filter_deps="avcodec"
3094 atempo_filter_select="rdft"
3095 azmq_filter_deps="libzmq"
3096 blackframe_filter_deps="gpl"
3097 boxblur_filter_deps="gpl"
3098 bs2b_filter_deps="libbs2b"
3099 colormatrix_filter_deps="gpl"
3100 cover_rect_filter_deps="avcodec avformat gpl"
3101 cropdetect_filter_deps="gpl"
3102 deinterlace_qsv_filter_deps="libmfx"
3103 deinterlace_vaapi_filter_deps="vaapi"
3104 delogo_filter_deps="gpl"
3105 deshake_filter_select="pixelutils"
3106 drawtext_filter_deps="libfreetype"
3107 elbg_filter_deps="avcodec"
3108 eq_filter_deps="gpl"
3109 fftfilt_filter_deps="avcodec"
3110 fftfilt_filter_select="rdft"
3111 find_rect_filter_deps="avcodec avformat gpl"
3112 firequalizer_filter_deps="avcodec"
3113 firequalizer_filter_select="rdft"
3114 flite_filter_deps="libflite"
3115 framerate_filter_select="pixelutils"
3116 frei0r_filter_deps="frei0r dlopen"
3117 frei0r_src_filter_deps="frei0r dlopen"
3118 fspp_filter_deps="gpl"
3119 geq_filter_deps="gpl"
3120 histeq_filter_deps="gpl"
3121 hqdn3d_filter_deps="gpl"
3122 interlace_filter_deps="gpl"
3123 kerndeint_filter_deps="gpl"
3124 ladspa_filter_deps="ladspa dlopen"
3125 mcdeint_filter_deps="avcodec gpl"
3126 movie_filter_deps="avcodec avformat"
3127 mpdecimate_filter_deps="gpl"
3128 mpdecimate_filter_select="pixelutils"
3129 mptestsrc_filter_deps="gpl"
3130 negate_filter_deps="lut_filter"
3131 nnedi_filter_deps="gpl"
3132 ocr_filter_deps="libtesseract"
3133 ocv_filter_deps="libopencv"
3134 owdenoise_filter_deps="gpl"
3135 pan_filter_deps="swresample"
3136 perspective_filter_deps="gpl"
3137 phase_filter_deps="gpl"
3138 pp7_filter_deps="gpl"
3139 pp_filter_deps="gpl postproc"
3140 pullup_filter_deps="gpl"
3141 removelogo_filter_deps="avcodec avformat swscale"
3142 repeatfields_filter_deps="gpl"
3143 resample_filter_deps="avresample"
3144 rubberband_filter_deps="librubberband"
3145 sab_filter_deps="gpl swscale"
3146 scale2ref_filter_deps="swscale"
3147 scale_filter_deps="swscale"
3148 scale_qsv_filter_deps="libmfx"
3149 select_filter_select="pixelutils"
3150 showcqt_filter_deps="avcodec avformat swscale"
3151 showcqt_filter_select="fft"
3152 showfreqs_filter_deps="avcodec"
3153 showfreqs_filter_select="fft"
3154 showspectrum_filter_deps="avcodec"
3155 showspectrum_filter_select="fft"
3156 showspectrumpic_filter_deps="avcodec"
3157 showspectrumpic_filter_select="fft"
3158 signature_filter_deps="gpl avcodec avformat"
3159 smartblur_filter_deps="gpl swscale"
3160 sofalizer_filter_deps="netcdf avcodec"
3161 sofalizer_filter_select="fft"
3162 spectrumsynth_filter_deps="avcodec"
3163 spectrumsynth_filter_select="fft"
3164 spp_filter_deps="gpl avcodec"
3165 spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"
3166 stereo3d_filter_deps="gpl"
3167 subtitles_filter_deps="avformat avcodec libass"
3168 super2xsai_filter_deps="gpl"
3169 pixfmts_super2xsai_test_deps="super2xsai_filter"
3170 tinterlace_filter_deps="gpl"
3171 tinterlace_merge_test_deps="tinterlace_filter"
3172 tinterlace_pad_test_deps="tinterlace_filter"
3173 uspp_filter_deps="gpl avcodec"
3174 vaguedenoiser_filter_deps="gpl"
3175 vidstabdetect_filter_deps="libvidstab"
3176 vidstabtransform_filter_deps="libvidstab"
3177 zmq_filter_deps="libzmq"
3178 zoompan_filter_deps="swscale"
3179 zscale_filter_deps="libzimg"
3180 scale_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer"
3181
3182 # examples
3183 avio_dir_cmd_deps="avformat avutil"
3184 avio_reading_deps="avformat avcodec avutil"
3185 decode_audio_example_deps="avcodec avutil"
3186 decode_video_example_deps="avcodec avutil"
3187 demuxing_decoding_example_deps="avcodec avformat avutil"
3188 encode_audio_example_deps="avcodec avutil"
3189 encode_video_example_deps="avcodec avutil"
3190 extract_mvs_example_deps="avcodec avformat avutil"
3191 filter_audio_example_deps="avfilter avutil"
3192 filtering_audio_example_deps="avfilter avcodec avformat avutil"
3193 filtering_video_example_deps="avfilter avcodec avformat avutil"
3194 http_multiclient_example_deps="avformat avutil fork"
3195 metadata_example_deps="avformat avutil"
3196 muxing_example_deps="avcodec avformat avutil swscale"
3197 qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"
3198 remuxing_example_deps="avcodec avformat avutil"
3199 resampling_audio_example_deps="avutil swresample"
3200 scaling_video_example_deps="avutil swscale"
3201 transcode_aac_example_deps="avcodec avformat swresample"
3202 transcoding_example_deps="avfilter avcodec avformat avutil"
3203
3204 # libraries, in linking order
3205 avcodec_deps="avutil"
3206 avcodec_select="null_bsf"
3207 avdevice_deps="avformat avcodec avutil"
3208 avfilter_deps="avutil"
3209 avformat_deps="avcodec avutil"
3210 avresample_deps="avutil"
3211 postproc_deps="avutil gpl"
3212 swresample_deps="avutil"
3213 swscale_deps="avutil"
3214
3215 # programs
3216 ffmpeg_deps="avcodec avfilter avformat swresample"
3217 ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter
3218                null_filter
3219                trim_filter"
3220 ffplay_deps="avcodec avformat swscale swresample sdl2"
3221 ffplay_extralibs='$sdl2_extralibs'
3222 ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"
3223 ffprobe_deps="avcodec avformat"
3224 ffserver_deps="avformat fork sarestart"
3225 ffserver_select="ffm_muxer rtp_protocol rtsp_demuxer"
3226
3227 # documentation
3228 podpages_deps="perl"
3229 manpages_deps="perl pod2man"
3230 htmlpages_deps="perl"
3231 htmlpages_deps_any="makeinfo_html texi2html"
3232 txtpages_deps="perl makeinfo"
3233 doc_deps_any="manpages htmlpages podpages txtpages"
3234
3235 # default parameters
3236
3237 logfile="ffbuild/config.log"
3238
3239 # installation paths
3240 prefix_default="/usr/local"
3241 bindir_default='${prefix}/bin'
3242 datadir_default='${prefix}/share/ffmpeg'
3243 docdir_default='${prefix}/share/doc/ffmpeg'
3244 incdir_default='${prefix}/include'
3245 libdir_default='${prefix}/lib'
3246 mandir_default='${prefix}/share/man'
3247
3248 # toolchain
3249 ar_default="ar"
3250 cc_default="gcc"
3251 cxx_default="g++"
3252 host_cc_default="gcc"
3253 doxygen_default="doxygen"
3254 install="install"
3255 ln_s_default="ln -s -f"
3256 nm_default="nm -g"
3257 objformat="elf"
3258 pkg_config_default=pkg-config
3259 ranlib_default="ranlib"
3260 strip_default="strip"
3261 version_script='--version-script'
3262 yasmexe_default="yasm"
3263 windres_default="windres"
3264
3265 # OS
3266 target_os_default=$(tolower $(uname -s))
3267 host_os=$target_os_default
3268
3269 # machine
3270 if test "$target_os_default" = aix; then
3271     arch_default=$(uname -p)
3272     strip_default="strip -X32_64"
3273 else
3274     arch_default=$(uname -m)
3275 fi
3276 cpu="generic"
3277 intrinsics="none"
3278
3279 # configurable options
3280 enable $PROGRAM_LIST
3281 enable $DOCUMENT_LIST
3282 enable $EXAMPLE_LIST
3283 enable $(filter_out avresample $LIBRARY_LIST)
3284 enable stripping
3285
3286 enable asm
3287 enable debug
3288 enable doc
3289 enable faan faandct faanidct
3290 enable optimizations
3291 enable runtime_cpudetect
3292 enable safe_bitstream_reader
3293 enable static
3294 enable swscale_alpha
3295 enable valgrind_backtrace
3296
3297 sws_max_filter_size_default=256
3298 set_default sws_max_filter_size
3299
3300 # build settings
3301 SHFLAGS='-shared -Wl,-soname,$$(@F)'
3302 LIBPREF="lib"
3303 LIBSUF=".a"
3304 FULLNAME='$(NAME)$(BUILDSUF)'
3305 LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'
3306 SLIBPREF="lib"
3307 SLIBSUF=".so"
3308 SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'
3309 SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'
3310 SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'
3311 LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'
3312 SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'
3313 SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'
3314 VERSION_SCRIPT_POSTPROCESS_CMD="cat"
3315
3316 asflags_filter=echo
3317 cflags_filter=echo
3318 ldflags_filter=echo
3319
3320 AS_C='-c'
3321 AS_O='-o $@'
3322 CC_C='-c'
3323 CC_E='-E -o $@'
3324 CC_O='-o $@'
3325 CXX_C='-c'
3326 CXX_O='-o $@'
3327 OBJCC_C='-c'
3328 OBJCC_E='-E -o $@'
3329 OBJCC_O='-o $@'
3330 LD_O='-o $@'
3331 LD_LIB='-l%'
3332 LD_PATH='-L'
3333 HOSTCC_C='-c'
3334 HOSTCC_E='-E -o $@'
3335 HOSTCC_O='-o $@'
3336 HOSTLD_O='-o $@'
3337
3338 host_extralibs='-lm'
3339 host_cflags_filter=echo
3340 host_ldflags_filter=echo
3341
3342 target_path='$(CURDIR)'
3343
3344 # since the object filename is not given with the -MM flag, the compiler
3345 # is only able to print the basename, and we must add the path ourselves
3346 DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'
3347 DEPFLAGS='-MM'
3348
3349 # find source path
3350 if test -f configure; then
3351     source_path=.
3352 else
3353     source_path=$(cd $(dirname "$0"); pwd)
3354     case "$source_path" in
3355         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;
3356     esac
3357     test -e "$source_path/config.h" &&
3358         die "Out of tree builds are impossible with config.h in source dir."
3359 fi
3360
3361 for v in "$@"; do
3362     r=${v#*=}
3363     l=${v%"$r"}
3364     r=$(sh_quote "$r")
3365     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"
3366 done
3367
3368 find_things(){
3369     thing=$1
3370     pattern=$2
3371     file=$source_path/$3
3372     sed -n "s/^[^#]*$pattern.*([^,]*, *\([^,]*\)\(,.*\)*).*/\1_$thing/p" "$file"
3373 }
3374
3375 ENCODER_LIST=$(find_things  encoder  ENC      libavcodec/allcodecs.c)
3376 DECODER_LIST=$(find_things  decoder  DEC      libavcodec/allcodecs.c)
3377 HWACCEL_LIST=$(find_things  hwaccel  HWACCEL  libavcodec/allcodecs.c)
3378 PARSER_LIST=$(find_things   parser   PARSER   libavcodec/allcodecs.c)
3379 MUXER_LIST=$(find_things    muxer    _MUX     libavformat/allformats.c)
3380 DEMUXER_LIST=$(find_things  demuxer  DEMUX    libavformat/allformats.c)
3381 OUTDEV_LIST=$(find_things   outdev   OUTDEV   libavdevice/alldevices.c)
3382 INDEV_LIST=$(find_things    indev    _IN      libavdevice/alldevices.c)
3383 FILTER_LIST=$(find_things   filter   FILTER   libavfilter/allfilters.c)
3384
3385 find_things_extern(){
3386     thing=$1
3387     pattern=$2
3388     file=$source_path/$3
3389     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$thing/p" "$file"
3390 }
3391
3392 BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)
3393 PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)
3394
3395 ALL_COMPONENTS="
3396     $BSF_LIST
3397     $DECODER_LIST
3398     $DEMUXER_LIST
3399     $ENCODER_LIST
3400     $FILTER_LIST
3401     $HWACCEL_LIST
3402     $INDEV_LIST
3403     $MUXER_LIST
3404     $OUTDEV_LIST
3405     $PARSER_LIST
3406     $PROTOCOL_LIST
3407 "
3408
3409 for n in $COMPONENT_LIST; do
3410     v=$(toupper ${n%s})_LIST
3411     eval enable \$$v
3412     eval ${n}_if_any="\$$v"
3413 done
3414
3415 enable $ARCH_EXT_LIST
3416
3417 die_unknown(){
3418     echo "Unknown option \"$1\"."
3419     echo "See $0 --help for available options."
3420     exit 1
3421 }
3422
3423 print_in_columns() {
3424     cols=$(expr $ncols / 24)
3425     cat | tr ' ' '\n' | sort | pr -r "-$cols" -w $ncols -t
3426 }
3427
3428 show_list() {
3429     suffix=_$1
3430     shift
3431     echo $* | sed s/$suffix//g | print_in_columns
3432     exit 0
3433 }
3434
3435 rand_list(){
3436     IFS=', '
3437     set -- $*
3438     unset IFS
3439     for thing; do
3440         comp=${thing%:*}
3441         prob=${thing#$comp}
3442         prob=${prob#:}
3443         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST
3444         echo "prob ${prob:-0.5}"
3445         printf '%s\n' $comp
3446     done
3447 }
3448
3449 do_random(){
3450     action=$1
3451     shift
3452     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")
3453     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")
3454 }
3455
3456 for opt do
3457     optval="${opt#*=}"
3458     case "$opt" in
3459         --extra-ldflags=*)
3460             add_ldflags $optval
3461         ;;
3462         --extra-ldexeflags=*)
3463             add_ldexeflags $optval
3464         ;;
3465         --extra-ldlibflags=*)
3466             add_ldlibflags $optval
3467         ;;
3468         --extra-libs=*)
3469             add_extralibs $optval
3470         ;;
3471         --disable-devices)
3472             disable $INDEV_LIST $OUTDEV_LIST
3473         ;;
3474         --enable-debug=*)
3475             debuglevel="$optval"
3476         ;;
3477         --disable-programs)
3478             disable $PROGRAM_LIST
3479         ;;
3480         --disable-everything)
3481             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3482         ;;
3483         --disable-all)
3484             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
3485             disable $LIBRARY_LIST $PROGRAM_LIST doc
3486             enable avutil
3487         ;;
3488         --enable-random|--disable-random)
3489             action=${opt%%-random}
3490             do_random ${action#--} $COMPONENT_LIST
3491         ;;
3492         --enable-random=*|--disable-random=*)
3493             action=${opt%%-random=*}
3494             do_random ${action#--} $optval
3495         ;;
3496         --enable-*=*|--disable-*=*)
3497             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
3498             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
3499             eval list=\$$(toupper $thing)_LIST
3500             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
3501             list=$(filter "$name" $list)
3502             [ "$list" = "" ] && warn "Option $opt did not match anything"
3503             $action $list
3504         ;;
3505         --enable-?*|--disable-?*)
3506             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
3507             if is_in $option $COMPONENT_LIST; then
3508                 test $action = disable && action=unset
3509                 eval $action \$$(toupper ${option%s})_LIST
3510             elif is_in $option $CMDLINE_SELECT; then
3511                 $action $option
3512             else
3513                 die_unknown $opt
3514             fi
3515         ;;
3516         --list-*)
3517             NAME="${opt#--list-}"
3518             is_in $NAME $COMPONENT_LIST || die_unknown $opt
3519             NAME=${NAME%s}
3520             eval show_list $NAME \$$(toupper $NAME)_LIST
3521         ;;
3522         --help|-h) show_help
3523         ;;
3524         --quiet|-q) quiet=yes
3525         ;;
3526         --fatal-warnings) enable fatal_warnings
3527         ;;
3528         --libfuzzer=*)
3529             libfuzzer_path="$optval"
3530         ;;
3531         *)
3532             optname="${opt%%=*}"
3533             optname="${optname#--}"
3534             optname=$(echo "$optname" | sed 's/-/_/g')
3535             if is_in $optname $CMDLINE_SET; then
3536                 eval $optname='$optval'
3537             elif is_in $optname $CMDLINE_APPEND; then
3538                 append $optname "$optval"
3539             else
3540                 die_unknown $opt
3541             fi
3542         ;;
3543     esac
3544 done
3545
3546 for e in $env; do
3547     eval "export $e"
3548 done
3549
3550 # Mark specifically enabled, but normally autodetected libraries as requested.
3551 for lib in $AUTODETECT_LIBS; do
3552     enabled $lib && request $lib
3553 done
3554
3555 # Enable platform codecs by default.
3556 enable_weak audiotoolbox
3557
3558 # Enable hwaccels by default.
3559 enable_weak d3d11va dxva2 vaapi vda vdpau videotoolbox_hwaccel xvmc
3560 enable_weak xlib
3561
3562 enable_weak cuda cuvid nvenc vda_framework videotoolbox videotoolbox_encoder
3563
3564 disabled logging && logfile=/dev/null
3565
3566 die_license_disabled() {
3567     enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }
3568 }
3569
3570 die_license_disabled_gpl() {
3571     enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }
3572 }
3573
3574 map "die_license_disabled gpl"      $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3575 map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST
3576
3577 enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST
3578 map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST
3579
3580 enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }
3581
3582 # Disable all the library-specific components if the library itself
3583 # is disabled, see AVCODEC_LIST and following _LIST variables.
3584
3585 disable_components(){
3586     disabled ${1} && disable $(
3587         eval components="\$$(toupper ${1})_COMPONENTS"
3588         map 'eval echo \${$(toupper ${v%s})_LIST}' $components
3589     )
3590 }
3591
3592 map 'disable_components $v' $LIBRARY_LIST
3593
3594 mkdir -p ffbuild
3595 echo "# $0 $FFMPEG_CONFIGURATION" > $logfile
3596 set >> $logfile
3597
3598 test -n "$valgrind" && toolchain="valgrind-memcheck"
3599
3600 enabled ossfuzz && {
3601     add_cflags  -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer
3602     add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp
3603 }
3604
3605 case "$toolchain" in
3606     *-asan)
3607         cc_default="${toolchain%-asan}"
3608         add_cflags  -fsanitize=address
3609         add_ldflags -fsanitize=address
3610     ;;
3611     *-msan)
3612         cc_default="${toolchain%-msan}"
3613         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins
3614         add_ldflags -fsanitize=memory
3615     ;;
3616     *-tsan)
3617         cc_default="${toolchain%-tsan}"
3618         add_cflags  -fsanitize=thread -fPIE
3619         add_ldflags -fsanitize=thread -pie
3620         case "$toolchain" in
3621             gcc-tsan)
3622                 add_cflags  -fPIC
3623                 add_ldflags -fPIC
3624                 ;;
3625         esac
3626     ;;
3627     *-usan)
3628         cc_default="${toolchain%-usan}"
3629         add_cflags  -fsanitize=undefined
3630         add_ldflags -fsanitize=undefined
3631     ;;
3632     valgrind-*)
3633         target_exec_default="valgrind"
3634         case "$toolchain" in
3635             valgrind-massif)
3636                 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"
3637                 ;;
3638             valgrind-memcheck)
3639                 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"
3640                 ;;
3641         esac
3642     ;;
3643     msvc)
3644         # Check whether the current MSVC version needs the C99 converter.
3645         # From MSVC 2013 (compiler major version 18) onwards, it does actually
3646         # support enough of C99 to build ffmpeg. Default to the new
3647         # behaviour if the regexp was unable to match anything, since this
3648         # successfully parses the version number of existing supported
3649         # versions that require the converter (MSVC 2010 and 2012).
3650         cl_major_ver=$(cl 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')
3651         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then
3652             cc_default="cl"
3653             cxx_default="cl"
3654         else
3655             cc_default="c99wrap cl"
3656             cxx_default="c99wrap cl"
3657         fi
3658         ld_default="$source_path/compat/windows/mslink"
3659         nm_default="dumpbin -symbols"
3660         ar_default="lib"
3661         case "$arch" in
3662         arm*)
3663             as_default="armasm"
3664             ;;
3665         esac
3666         target_os_default="win32"
3667         # Use a relative path for TMPDIR. This makes sure all the
3668         # ffconf temp files are written with a relative path, avoiding
3669         # issues with msys/win32 path conversion for MSVC parameters
3670         # such as -Fo<file> or -out:<file>.
3671         TMPDIR=.
3672     ;;
3673     icl)
3674         cc_default="icl"
3675         ld_default="xilink"
3676         nm_default="dumpbin -symbols"
3677         ar_default="xilib"
3678         target_os_default="win32"
3679         TMPDIR=.
3680     ;;
3681     gcov)
3682         add_cflags  -fprofile-arcs -ftest-coverage
3683         add_ldflags -fprofile-arcs -ftest-coverage
3684     ;;
3685     llvm-cov)
3686         add_cflags -fprofile-arcs -ftest-coverage
3687         add_ldflags --coverage
3688     ;;
3689     hardened)
3690         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
3691         add_cflags   -fno-strict-overflow -fstack-protector-all
3692         add_ldflags  -Wl,-z,relro -Wl,-z,now
3693         add_cflags   -fPIE
3694         add_ldexeflags -fPIE -pie
3695     ;;
3696     ?*)
3697         die "Unknown toolchain $toolchain"
3698     ;;
3699 esac
3700
3701 test -n "$cross_prefix" && enable cross_compile
3702
3703 if enabled cross_compile; then
3704     test -n "$arch" && test -n "$target_os" ||
3705         die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"
3706 fi
3707
3708 ar_default="${cross_prefix}${ar_default}"
3709 cc_default="${cross_prefix}${cc_default}"
3710 cxx_default="${cross_prefix}${cxx_default}"
3711 nm_default="${cross_prefix}${nm_default}"
3712 pkg_config_default="${cross_prefix}${pkg_config_default}"
3713 if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then
3714     ranlib_default="${cross_prefix}${ranlib_default} -D"
3715 else
3716     ranlib_default="${cross_prefix}${ranlib_default}"
3717 fi
3718 strip_default="${cross_prefix}${strip_default}"
3719 windres_default="${cross_prefix}${windres_default}"
3720
3721 sysinclude_default="${sysroot}/usr/include"
3722
3723 set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \
3724     target_exec target_os yasmexe
3725 enabled cross_compile || host_cc_default=$cc
3726 set_default host_cc
3727
3728 pkg_config_fail_message=""
3729 if ! $pkg_config --version >/dev/null 2>&1; then
3730     warn "$pkg_config not found, library detection may fail."
3731     pkg_config=false
3732 elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then
3733     pkg_config_fail_message="
3734 Note: When building a static binary, add --pkg-config-flags=\"--static\"."
3735 fi
3736
3737 if test $doxygen != $doxygen_default && \
3738   ! $doxygen --version >/dev/null 2>&1; then
3739     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."
3740 fi
3741
3742 exesuf() {
3743     case $1 in
3744         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;
3745     esac
3746 }
3747
3748 EXESUF=$(exesuf $target_os)
3749 HOSTEXESUF=$(exesuf $host_os)
3750
3751 # set temporary file name
3752 : ${TMPDIR:=$TEMPDIR}
3753 : ${TMPDIR:=$TMP}
3754 : ${TMPDIR:=/tmp}
3755
3756 if [ -n "$tempprefix" ] ; then
3757     mktemp(){
3758         echo $tempprefix.${HOSTNAME}.${UID}
3759     }
3760 elif ! check_cmd mktemp -u XXXXXX; then
3761     # simple replacement for missing mktemp
3762     # NOT SAFE FOR GENERAL USE
3763     mktemp(){
3764         echo "${2%%XXX*}.${HOSTNAME}.${UID}.$$"
3765     }
3766 fi
3767
3768 tmpfile(){
3769     tmp=$(mktemp -u "${TMPDIR}/ffconf.XXXXXXXX")$2 &&
3770         (set -C; exec > $tmp) 2>/dev/null ||
3771         die "Unable to create temporary file in $TMPDIR."
3772     append TMPFILES $tmp
3773     eval $1=$tmp
3774 }
3775
3776 trap 'rm -f -- $TMPFILES' EXIT
3777
3778 tmpfile TMPASM .asm
3779 tmpfile TMPC   .c
3780 tmpfile TMPCPP .cpp
3781 tmpfile TMPE   $EXESUF
3782 tmpfile TMPH   .h
3783 tmpfile TMPM   .m
3784 tmpfile TMPO   .o
3785 tmpfile TMPS   .S
3786 tmpfile TMPSH  .sh
3787 tmpfile TMPV   .ver
3788
3789 unset -f mktemp
3790
3791 chmod +x $TMPE
3792
3793 # make sure we can execute files in $TMPDIR
3794 cat > $TMPSH 2>> $logfile <<EOF
3795 #! /bin/sh
3796 EOF
3797 chmod +x $TMPSH >> $logfile 2>&1
3798 if ! $TMPSH >> $logfile 2>&1; then
3799     cat <<EOF
3800 Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment
3801 variable to another directory and make sure that it is not mounted noexec.
3802 EOF
3803     die "Sanity test failed."
3804 fi
3805
3806 armasm_flags(){
3807     for flag; do
3808         case $flag in
3809             # Filter out MSVC cl.exe options from cflags that shouldn't
3810             # be passed to gas-preprocessor
3811             -M[TD]*)                                            ;;
3812             *)                  echo $flag                      ;;
3813         esac
3814    done
3815 }
3816
3817 ccc_flags(){
3818     for flag; do
3819         case $flag in
3820             -std=c99)           echo -c99                       ;;
3821             -mcpu=*)            echo -arch ${flag#*=}           ;;
3822             -mieee)             echo -ieee                      ;;
3823             -O*|-fast)          echo $flag                      ;;
3824             -fno-math-errno)    echo -assume nomath_errno       ;;
3825             -g)                 echo -g3                        ;;
3826             -Wall)              echo -msg_enable level2         ;;
3827             -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;
3828             -Wl,*)              echo $flag                      ;;
3829             -f*|-W*)                                            ;;
3830             *)                  echo $flag                      ;;
3831         esac
3832    done
3833 }
3834
3835 cparser_flags(){
3836     for flag; do
3837         case $flag in
3838             -Wno-switch)             echo -Wno-switch-enum ;;
3839             -Wno-format-zero-length) ;;
3840             -Wdisabled-optimization) ;;
3841             -Wno-pointer-sign)       echo -Wno-other ;;
3842             *)                       echo $flag ;;
3843         esac
3844     done
3845 }
3846
3847 msvc_common_flags(){
3848     for flag; do
3849         case $flag in
3850             # In addition to specifying certain flags under the compiler
3851             # specific filters, they must be specified here as well or else the
3852             # generic catch all at the bottom will print the original flag.
3853             -Wall)                ;;
3854             -std=c99)             ;;
3855             # Common flags
3856             -fomit-frame-pointer) ;;
3857             -g)                   echo -Z7 ;;
3858             -fno-math-errno)      ;;
3859             -fno-common)          ;;
3860             -fno-signed-zeros)    ;;
3861             -fPIC)                ;;
3862             -mthumb)              ;;
3863             -march=*)             ;;
3864             -lz)                  echo zlib.lib ;;
3865             -lx264)               echo libx264.lib ;;
3866             -lstdc++)             ;;
3867             -l*)                  echo ${flag#-l}.lib ;;
3868             -LARGEADDRESSAWARE)   echo $flag ;;
3869             -L*)                  echo -libpath:${flag#-L} ;;
3870             *)                    echo $flag ;;
3871         esac
3872     done
3873 }
3874
3875 msvc_flags(){
3876     msvc_common_flags "$@"
3877     for flag; do
3878         case $flag in
3879             -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \
3880                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
3881                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
3882                                        -wd4307 \
3883                                        -wd4273 -wd4554 -wd4701 -wd4703 ;;
3884         esac
3885     done
3886 }
3887
3888 icl_flags(){
3889     msvc_common_flags "$@"
3890     for flag; do
3891         case $flag in
3892             # Despite what Intel's documentation says -Wall, which is supported
3893             # on Windows, does enable remarks so disable them here.
3894             -Wall)                echo $flag -Qdiag-disable:remark ;;
3895             -std=c99)             echo -Qstd=c99 ;;
3896             -flto)                echo -ipo ;;
3897         esac
3898     done
3899 }
3900
3901 icc_flags(){
3902     for flag; do
3903         case $flag in
3904             -flto)                echo -ipo ;;
3905             *)                    echo $flag ;;
3906         esac
3907     done
3908 }
3909
3910 pgi_flags(){
3911     for flag; do
3912         case $flag in
3913             -flto)                echo -Mipa=fast,libopt,libinline,vestigial ;;
3914             -fomit-frame-pointer) echo -Mnoframe ;;
3915             -g)                   echo -gopt ;;
3916             *)                    echo $flag ;;
3917         esac
3918     done
3919 }
3920
3921 suncc_flags(){
3922     for flag; do
3923         case $flag in
3924             -march=*|-mcpu=*)
3925                 case "${flag#*=}" in
3926                     native)                   echo -xtarget=native       ;;
3927                     v9|niagara)               echo -xarch=sparc          ;;
3928                     ultrasparc)               echo -xarch=sparcvis       ;;
3929                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;
3930                     i586|pentium)             echo -xchip=pentium        ;;
3931                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;
3932                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;
3933                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;
3934                     pentium4*)          echo -xtarget=pentium4           ;;
3935                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
3936                     *-sse3)             echo -xarch=sse3                 ;;
3937                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
3938                     bonnell)                   echo -xarch=ssse3         ;;
3939                     corei7|nehalem)            echo -xtarget=nehalem     ;;
3940                     westmere)                  echo -xtarget=westmere    ;;
3941                     silvermont)                echo -xarch=sse4_2        ;;
3942                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;
3943                     core-avx*|ivybridge|haswell|broadwell|skylake*|knl)
3944                                                echo -xarch=avx           ;;
3945                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;
3946                     btver1)                    echo -xarch=amdsse4a      ;;
3947                     btver2|bdver*|znver*)      echo -xarch=avx           ;;
3948                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;
3949                     k8|opteron|athlon64|athlon-fx)
3950                                                echo -xarch=sse2a         ;;
3951                     athlon*)                   echo -xarch=pentium_proa  ;;
3952                 esac
3953                 ;;
3954             -std=c99)             echo -xc99              ;;
3955             -fomit-frame-pointer) echo -xregs=frameptr    ;;
3956             -fPIC)                echo -KPIC -xcode=pic32 ;;
3957             -W*,*)                echo $flag              ;;
3958             -f*-*|-W*|-mimpure-text)                      ;;
3959             -shared)              echo -G                 ;;
3960             *)                    echo $flag              ;;
3961         esac
3962     done
3963 }
3964
3965 tms470_flags(){
3966     for flag; do
3967         case $flag in
3968             -march=*|-mcpu=*)
3969                 case "${flag#*=}" in
3970                     armv7-a|cortex-a*)      echo -mv=7a8 ;;
3971                     armv7-r|cortex-r*)      echo -mv=7r4 ;;
3972                     armv7-m|cortex-m*)      echo -mv=7m3 ;;
3973                     armv6*|arm11*)          echo -mv=6   ;;
3974                     armv5*e|arm[79]*e*|arm9[24]6*|arm96*|arm102[26])
3975                                             echo -mv=5e  ;;
3976                     armv4*|arm7*|arm9[24]*) echo -mv=4   ;;
3977                 esac
3978                 ;;
3979             -mfpu=neon)     echo --float_support=vfpv3 --neon ;;
3980             -mfpu=vfp)      echo --float_support=vfpv2        ;;
3981             -mfpu=vfpv3)    echo --float_support=vfpv3        ;;
3982             -mfpu=vfpv3-d16) echo --float_support=vfpv3d16    ;;
3983             -msoft-float)   echo --float_support=vfplib       ;;
3984             -O[0-3]|-mf=*)  echo $flag                        ;;
3985             -g)             echo -g -mn                       ;;
3986             -pds=*)         echo $flag                        ;;
3987             -D*|-I*)        echo $flag                        ;;
3988             --gcc|--abi=*)  echo $flag                        ;;
3989             -me)            echo $flag                        ;;
3990         esac
3991     done
3992 }
3993
3994 probe_cc(){
3995     pfx=$1
3996     _cc=$2
3997     first=$3
3998
3999     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags
4000     unset _ld_o _ldflags _ld_lib _ld_path
4001     unset _depflags _DEPCMD _DEPFLAGS
4002     _flags_filter=echo
4003
4004     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then
4005         true # no-op to avoid reading stdin in following checks
4006     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
4007         _type=llvm_gcc
4008         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')
4009         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"
4010         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4011         _cflags_speed='-O3'
4012         _cflags_size='-Os'
4013     elif $_cc -v 2>&1 | grep -qi ^gcc; then
4014         _type=gcc
4015         gcc_version=$($_cc --version | head -n1)
4016         gcc_basever=$($_cc -dumpversion)
4017         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
4018         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")
4019         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")
4020         case $gcc_basever in
4021             2) ;;
4022             2.*) ;;
4023             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;
4024         esac
4025         if [ "$first" = true ]; then
4026             case $gcc_basever in
4027                 4.2*)
4028                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;
4029             esac
4030         fi
4031         _cflags_speed='-O3'
4032         _cflags_size='-Os'
4033     elif $_cc --version 2>/dev/null | grep -q ^icc; then
4034         _type=icc
4035         _ident=$($_cc --version | head -n1)
4036         _depflags='-MMD'
4037         _cflags_speed='-O3'
4038         _cflags_size='-Os'
4039         _cflags_noopt='-O1'
4040         _flags_filter=icc_flags
4041     elif $_cc -v 2>&1 | grep -q xlc; then
4042         _type=xlc
4043         _ident=$($_cc -qversion 2>/dev/null | head -n1)
4044         _cflags_speed='-O5'
4045         _cflags_size='-O5 -qcompact'
4046     elif $_cc -V 2>/dev/null | grep -q Compaq; then
4047         _type=ccc
4048         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
4049         _DEPFLAGS='-M'
4050         _cflags_speed='-fast'
4051         _cflags_size='-O1'
4052         _flags_filter=ccc_flags
4053     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then
4054         test -d "$sysroot" || die "No valid sysroot specified."
4055         _type=armcc
4056         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')
4057         armcc_conf="$PWD/armcc.conf"
4058         $_cc --arm_linux_configure                 \
4059              --arm_linux_config_file="$armcc_conf" \
4060              --configure_sysroot="$sysroot"        \
4061              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||
4062              die "Error creating armcc configuration file."
4063         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc
4064         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"
4065         as_default="${cross_prefix}gcc"
4066         _depflags='-MMD'
4067         _cflags_speed='-O3'
4068         _cflags_size='-Os'
4069     elif $_cc -version 2>/dev/null | grep -Eq 'TMS470|TI ARM'; then
4070         _type=tms470
4071         _ident=$($_cc -version | head -n1 | tr -s ' ')
4072         _flags='--gcc --abi=eabi -me'
4073         _cc_e='-ppl -fe=$@'
4074         _cc_o='-fe=$@'
4075         _depflags='-ppa -ppd=$(@:.o=.d)'
4076         _cflags_speed='-O3 -mf=5'
4077         _cflags_size='-O3 -mf=2'
4078         _flags_filter=tms470_flags
4079     elif $_cc -v 2>&1 | grep -q clang; then
4080         _type=clang
4081         _ident=$($_cc --version 2>/dev/null | head -n1)
4082         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4083         _cflags_speed='-O3'
4084         _cflags_size='-Oz'
4085     elif $_cc -V 2>&1 | grep -q Sun; then
4086         _type=suncc
4087         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
4088         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
4089         _DEPFLAGS='-xM1 -xc99'
4090         _ldflags='-std=c99'
4091         _cflags_speed='-O5'
4092         _cflags_size='-O5 -xspace'
4093         _flags_filter=suncc_flags
4094     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
4095         _type=pathscale
4096         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4097         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4098         _cflags_speed='-O2'
4099         _cflags_size='-Os'
4100         _flags_filter='filter_out -Wdisabled-optimization'
4101     elif $_cc -v 2>&1 | grep -q Open64; then
4102         _type=open64
4103         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)
4104         _depflags='-MMD -MF $(@:.o=.d) -MT $@'
4105         _cflags_speed='-O2'
4106         _cflags_size='-Os'
4107         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
4108     elif $_cc -V 2>&1 | grep -q Portland; then
4109         _type=pgi
4110         _ident="PGI $($_cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
4111         opt_common='-alias=ansi -Mdse -Mlre -Mpre'
4112         _cflags_speed="-O3 -Mautoinline -Munroll=c:4 $opt_common"
4113         _cflags_size="-O2 -Munroll=c:1 $opt_common"
4114         _cflags_noopt="-O"
4115         _flags_filter=pgi_flags
4116     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then
4117         _type=armasm
4118         _ident=$($_cc | head -n1)
4119         # 4509: "This form of conditional instruction is deprecated"
4120         _flags="-nologo -ignore 4509"
4121         _flags_filter=armasm_flags
4122     elif $_cc 2>&1 | grep -q Intel; then
4123         _type=icl
4124         _ident=$($_cc 2>&1 | head -n1)
4125         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'
4126         # Not only is O3 broken on 13.x+ but it is slower on all previous
4127         # versions (tested) as well.
4128         _cflags_speed="-O2"
4129         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff
4130         if $_cc 2>&1 | grep -q Linker; then
4131             _ld_o='-out:$@'
4132         else
4133             _ld_o='-Fe$@'
4134         fi
4135         _cc_o='-Fo$@'
4136         _cc_e='-P'
4137         _flags_filter=icl_flags
4138         _ld_lib='lib%.a'
4139         _ld_path='-libpath:'
4140         # -Qdiag-error to make icl error when seeing certain unknown arguments
4141         _flags='-nologo -Qdiag-error:4044,10157'
4142         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
4143         # with MSVC which enables it by default.
4144         _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'
4145         disable stripping
4146     elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then
4147         # lld can emulate multiple different linkers; in ms link.exe mode,
4148         # the -? parameter gives the help output which contains an identifyable
4149         # string, while it gives an error in other modes.
4150         _type=lld-link
4151         # The link.exe mode doesn't have a switch for getting the version,
4152         # but we can force it back to gnu mode and get the version from there.
4153         _ident=$($_cc -flavor gnu --version 2>/dev/null)
4154         _ld_o='-out:$@'
4155         _flags_filter=msvc_flags
4156         _ld_lib='lib%.a'
4157         _ld_path='-libpath:'
4158     elif $_cc -nologo- 2>&1 | grep -q Microsoft; then
4159         _type=msvc
4160         _ident=$($_cc 2>&1 | head -n1)
4161         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
4162         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
4163         _cflags_speed="-O2"
4164         _cflags_size="-O1"
4165         _cflags_noopt="-O1"
4166         if $_cc -nologo- 2>&1 | grep -q Linker; then
4167             _ld_o='-out:$@'
4168         else
4169             _ld_o='-Fe$@'
4170         fi
4171         _cc_o='-Fo$@'
4172         _cc_e='-P -Fi$@'
4173         _flags_filter=msvc_flags
4174         _ld_lib='lib%.a'
4175         _ld_path='-libpath:'
4176         _flags='-nologo'
4177         disable stripping
4178     elif $_cc --version 2>/dev/null | grep -q ^cparser; then
4179         _type=cparser
4180         _ident=$($_cc --version | head -n1)
4181         _depflags='-MMD'
4182         _cflags_speed='-O4'
4183         _cflags_size='-O2'
4184         _flags_filter=cparser_flags
4185     fi
4186
4187     eval ${pfx}_type=\$_type
4188     eval ${pfx}_ident=\$_ident
4189 }
4190
4191 set_ccvars(){
4192     eval ${1}_C=\${_cc_c-\${${1}_C}}
4193     eval ${1}_E=\${_cc_e-\${${1}_E}}
4194     eval ${1}_O=\${_cc_o-\${${1}_O}}
4195
4196     if [ -n "$_depflags" ]; then
4197         eval ${1}_DEPFLAGS=\$_depflags
4198     else
4199         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}
4200         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}
4201         eval DEP${1}FLAGS=\$_flags
4202     fi
4203 }
4204
4205 probe_cc cc "$cc" "true"
4206 cflags_filter=$_flags_filter
4207 cflags_speed=$_cflags_speed
4208 cflags_size=$_cflags_size
4209 cflags_noopt=$_cflags_noopt
4210 add_cflags $_flags $_cflags
4211 cc_ldflags=$_ldflags
4212 set_ccvars CC
4213 set_ccvars CXX
4214
4215 probe_cc hostcc "$host_cc"
4216 host_cflags_filter=$_flags_filter
4217 add_host_cflags  $_flags $_cflags
4218 set_ccvars HOSTCC
4219
4220 test -n "$cc_type" && enable $cc_type ||
4221     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"
4222
4223 : ${as_default:=$cc}
4224 : ${objcc_default:=$cc}
4225 : ${dep_cc_default:=$cc}
4226 : ${ld_default:=$cc}
4227 : ${host_ld_default:=$host_cc}
4228 set_default ar as objcc dep_cc ld ln_s host_ld windres
4229
4230 probe_cc as "$as"
4231 asflags_filter=$_flags_filter
4232 add_asflags $_flags $_cflags
4233 set_ccvars AS
4234
4235 probe_cc objcc "$objcc"
4236 objcflags_filter=$_flags_filter
4237 add_objcflags $_flags $_cflags
4238 set_ccvars OBJC
4239
4240 probe_cc ld "$ld"
4241 ldflags_filter=$_flags_filter
4242 add_ldflags $_flags $_ldflags
4243 test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags
4244 LD_O=${_ld_o-$LD_O}
4245 LD_LIB=${_ld_lib-$LD_LIB}
4246 LD_PATH=${_ld_path-$LD_PATH}
4247
4248 probe_cc hostld "$host_ld"
4249 host_ldflags_filter=$_flags_filter
4250 add_host_ldflags $_flags $_ldflags
4251 HOSTLD_O=${_ld_o-$HOSTLD_O}
4252
4253 if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
4254     probe_cc depcc "$dep_cc"
4255     CCDEP=${_DEPCMD:-$DEPCMD}
4256     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}
4257     DEPCCFLAGS=$_flags
4258 fi
4259
4260 if $ar 2>&1 | grep -q Microsoft; then
4261     arflags="-nologo"
4262     ar_o='-out:$@'
4263 elif $ar 2>&1 | grep -q 'Texas Instruments'; then
4264     arflags="rq"
4265     ar_o='$@'
4266 elif $ar 2>&1 | grep -q 'Usage: ar.*-X.*any'; then
4267     arflags='-Xany -r -c'
4268     ar_o='$@'
4269 elif $ar 2>&1 | grep -q "\[D\] "; then
4270     arflags="rcD"
4271     ar_o='$@'
4272 else
4273     arflags="rc"
4274     ar_o='$@'
4275 fi
4276
4277 add_cflags $extra_cflags
4278 add_cxxflags $extra_cxxflags
4279 add_objcflags $extra_objcflags
4280 add_asflags $extra_cflags
4281
4282 if test -n "$sysroot"; then
4283     case "$cc_type" in
4284         gcc|llvm_gcc|clang)
4285             add_cppflags --sysroot="$sysroot"
4286             add_ldflags --sysroot="$sysroot"
4287 # On Darwin --sysroot may be ignored, -isysroot always affects headers and linking
4288             add_cppflags -isysroot "$sysroot"
4289             add_ldflags -isysroot "$sysroot"
4290         ;;
4291         tms470)
4292             add_cppflags -I"$sysinclude"
4293             add_ldflags  --sysroot="$sysroot"
4294         ;;
4295     esac
4296 fi
4297
4298 if test "$cpu" = host; then
4299     enabled cross_compile &&
4300         die "--cpu=host makes no sense when cross-compiling."
4301
4302     case "$cc_type" in
4303         gcc|llvm_gcc)
4304             check_native(){
4305                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4306                 sed -n "/cc1.*$1=/{
4307                             s/.*$1=\\([^ ]*\\).*/\\1/
4308                             p
4309                             q
4310                         }" $TMPE
4311             }
4312             cpu=$(check_native -march || check_native -mcpu)
4313         ;;
4314         clang)
4315             check_native(){
4316                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return
4317                 sed -n "/cc1.*-target-cpu /{
4318                             s/.*-target-cpu \\([^ ]*\\).*/\\1/
4319                             p
4320                             q
4321                         }" $TMPE
4322             }
4323             cpu=$(check_native -march)
4324         ;;
4325     esac
4326
4327     test "${cpu:-host}" = host &&
4328         die "--cpu=host not supported with compiler $cc"
4329 fi
4330
4331 # Deal with common $arch aliases
4332 case "$arch" in
4333     aarch64|arm64)
4334         arch="aarch64"
4335     ;;
4336     arm*|iPad*|iPhone*)
4337         arch="arm"
4338     ;;
4339     mips*|IP*)
4340         case "$arch" in
4341         *el)
4342             add_cppflags -EL
4343             add_ldflags -EL
4344         ;;
4345         *eb)
4346             add_cppflags -EB
4347             add_ldflags -EB
4348         ;;
4349         esac
4350         arch="mips"
4351     ;;
4352     parisc*|hppa*)
4353         arch="parisc"
4354     ;;
4355     "Power Macintosh"|ppc*|powerpc*)
4356         arch="ppc"
4357     ;;
4358     s390|s390x)
4359         arch="s390"
4360     ;;
4361     sh4|sh)
4362         arch="sh4"
4363     ;;
4364     sun4*|sparc*)
4365         arch="sparc"
4366     ;;
4367     tilegx|tile-gx)
4368         arch="tilegx"
4369     ;;
4370     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)
4371         arch="x86"
4372     ;;
4373 esac
4374
4375 is_in $arch $ARCH_LIST || warn "unknown architecture $arch"
4376 enable $arch
4377
4378 # Add processor-specific flags
4379 if enabled aarch64; then
4380
4381     case $cpu in
4382         armv*)
4383             cpuflags="-march=$cpu"
4384         ;;
4385         *)
4386             cpuflags="-mcpu=$cpu"
4387         ;;
4388     esac
4389
4390 elif enabled alpha; then
4391
4392     cpuflags="-mcpu=$cpu"
4393
4394 elif enabled arm; then
4395
4396     check_arm_arch() {
4397         check_cpp_condition stddef.h \
4398             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \
4399             $cpuflags
4400     }
4401
4402     probe_arm_arch() {
4403         if   check_arm_arch 4;        then echo armv4
4404         elif check_arm_arch 4T;       then echo armv4t
4405         elif check_arm_arch 5;        then echo armv5
4406         elif check_arm_arch 5E;       then echo armv5e
4407         elif check_arm_arch 5T;       then echo armv5t
4408         elif check_arm_arch 5TE;      then echo armv5te
4409         elif check_arm_arch 5TEJ;     then echo armv5te
4410         elif check_arm_arch 6;        then echo armv6
4411         elif check_arm_arch 6J;       then echo armv6j
4412         elif check_arm_arch 6K;       then echo armv6k
4413         elif check_arm_arch 6Z;       then echo armv6z
4414         elif check_arm_arch 6ZK;      then echo armv6zk
4415         elif check_arm_arch 6T2;      then echo armv6t2
4416         elif check_arm_arch 7;        then echo armv7
4417         elif check_arm_arch 7A  7_A;  then echo armv7-a
4418         elif check_arm_arch 7S;       then echo armv7-a
4419         elif check_arm_arch 7R  7_R;  then echo armv7-r
4420         elif check_arm_arch 7M  7_M;  then echo armv7-m
4421         elif check_arm_arch 7EM 7E_M; then echo armv7-m
4422         elif check_arm_arch 8A  8_A;  then echo armv8-a
4423         fi
4424     }
4425
4426     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)
4427
4428     case $cpu in
4429         armv*)
4430             cpuflags="-march=$cpu"
4431             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
4432         ;;
4433         *)
4434             cpuflags="-mcpu=$cpu"
4435             case $cpu in
4436                 cortex-a*)                               subarch=armv7a  ;;
4437                 cortex-r*)                               subarch=armv7r  ;;
4438                 cortex-m*)                 enable thumb; subarch=armv7m  ;;
4439                 arm11*)                                  subarch=armv6   ;;
4440                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
4441                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
4442                 *)                             subarch=$(probe_arm_arch) ;;
4443             esac
4444         ;;
4445     esac
4446
4447     case "$subarch" in
4448         armv5t*)    enable fast_clz                ;;
4449         armv[6-8]*)
4450             enable fast_clz
4451             disabled fast_unaligned || enable fast_unaligned
4452             ;;
4453     esac
4454
4455 elif enabled avr32; then
4456
4457     case $cpu in
4458         ap7[02]0[0-2])
4459             subarch="avr32_ap"
4460             cpuflags="-mpart=$cpu"
4461         ;;
4462         ap)
4463             subarch="avr32_ap"
4464             cpuflags="-march=$cpu"
4465         ;;
4466         uc3[ab]*)
4467             subarch="avr32_uc"
4468             cpuflags="-mcpu=$cpu"
4469         ;;
4470         uc)
4471             subarch="avr32_uc"
4472             cpuflags="-march=$cpu"
4473         ;;
4474     esac
4475
4476 elif enabled bfin; then
4477
4478     cpuflags="-mcpu=$cpu"
4479
4480 elif enabled mips; then
4481
4482     cpuflags="-march=$cpu"
4483
4484     if [ "$cpu" != "generic" ]; then
4485         disable mips32r2
4486         disable mips32r5
4487         disable mips64r2
4488         disable mips32r6
4489         disable mips64r6
4490         disable loongson2
4491         disable loongson3
4492
4493         case $cpu in
4494             24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)
4495                 enable mips32r2
4496                 disable msa
4497             ;;
4498             p5600|i6400|p6600)
4499                 disable mipsdsp
4500                 disable mipsdspr2
4501             ;;
4502             loongson*)
4503                 enable loongson2
4504                 enable loongson3
4505                 enable local_aligned_8 local_aligned_16 local_aligned_32
4506                 enable simd_align_16
4507                 enable fast_64bit
4508                 enable fast_clz
4509                 enable fast_cmov
4510                 enable fast_unaligned
4511                 disable aligned_stack
4512                 disable mipsfpu
4513                 disable mipsdsp
4514                 disable mipsdspr2
4515                 case $cpu in
4516                     loongson3*)
4517                         cpuflags="-march=loongson3a -mhard-float -fno-expensive-optimizations"
4518                     ;;
4519                     loongson2e)
4520                         cpuflags="-march=loongson2e -mhard-float -fno-expensive-optimizations"
4521                     ;;
4522                     loongson2f)
4523                         cpuflags="-march=loongson2f -mhard-float -fno-expensive-optimizations"
4524                     ;;
4525                 esac
4526             ;;
4527             *)
4528                 # Unknown CPU. Disable everything.
4529                 warn "unknown CPU. Disabling all MIPS optimizations."
4530                 disable mipsfpu
4531                 disable mipsdsp
4532                 disable mipsdspr2
4533                 disable msa
4534                 disable mmi
4535             ;;
4536         esac
4537
4538         case $cpu in
4539             24kc)
4540                 disable mipsfpu
4541                 disable mipsdsp
4542                 disable mipsdspr2
4543             ;;
4544             24kf*)
4545                 disable mipsdsp
4546                 disable mipsdspr2
4547             ;;
4548             24kec|34kc|1004kc)
4549                 disable mipsfpu
4550                 disable mipsdspr2
4551             ;;
4552             24kef*|34kf*|1004kf*)
4553                 disable mipsdspr2
4554             ;;
4555             74kc)
4556                 disable mipsfpu
4557             ;;
4558             p5600)
4559                 enable mips32r5
4560                 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"
4561             ;;
4562             i6400)
4563                 enable mips64r6
4564                 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4565             ;;
4566             p6600)
4567                 enable mips64r6
4568                 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
4569             ;;
4570         esac
4571     else
4572         # We do not disable anything. Is up to the user to disable the unwanted features.
4573         warn 'generic cpu selected'
4574     fi
4575
4576 elif enabled ppc; then
4577
4578     disable ldbrx
4579
4580     case $(tolower $cpu) in
4581         601|ppc601|powerpc601)
4582             cpuflags="-mcpu=601"
4583             disable altivec
4584         ;;
4585         603*|ppc603*|powerpc603*)
4586             cpuflags="-mcpu=603"
4587             disable altivec
4588         ;;
4589         604*|ppc604*|powerpc604*)
4590             cpuflags="-mcpu=604"
4591             disable altivec
4592         ;;
4593         g3|75*|ppc75*|powerpc75*)
4594             cpuflags="-mcpu=750"
4595             disable altivec
4596         ;;
4597         g4|745*|ppc745*|powerpc745*)
4598             cpuflags="-mcpu=7450"
4599             disable vsx
4600         ;;
4601         74*|ppc74*|powerpc74*)
4602             cpuflags="-mcpu=7400"
4603             disable vsx
4604         ;;
4605         g5|970|ppc970|powerpc970)
4606             cpuflags="-mcpu=970"
4607             disable vsx
4608         ;;
4609         power[3-6]*)
4610             cpuflags="-mcpu=$cpu"
4611             disable vsx
4612         ;;
4613         power[7-8]*)
4614             cpuflags="-mcpu=$cpu"
4615         ;;
4616         cell)
4617             cpuflags="-mcpu=cell"
4618             enable ldbrx
4619             disable vsx
4620         ;;
4621         e500mc)
4622             cpuflags="-mcpu=e500mc"
4623             disable altivec
4624         ;;
4625         e500v2)
4626             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"
4627             disable altivec
4628             disable dcbzl
4629         ;;
4630         e500)
4631             cpuflags="-mcpu=8540 -mhard-float"
4632             disable altivec
4633             disable dcbzl
4634         ;;
4635     esac
4636
4637 elif enabled sparc; then
4638
4639     case $cpu in
4640         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
4641             cpuflags="-mcpu=$cpu"
4642         ;;
4643         ultrasparc*|niagara[234])
4644             cpuflags="-mcpu=$cpu"
4645         ;;
4646     esac
4647
4648 elif enabled x86; then
4649
4650     case $cpu in
4651         i[345]86|pentium)
4652             cpuflags="-march=$cpu"
4653             disable i686
4654             disable mmx
4655         ;;
4656         # targets that do NOT support nopl and conditional mov (cmov)
4657         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
4658             cpuflags="-march=$cpu"
4659             disable i686
4660         ;;
4661         # targets that do support nopl and conditional mov (cmov)
4662         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\
4663         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\
4664         |amdfam10|barcelona|b[dt]ver*|znver*)
4665             cpuflags="-march=$cpu"
4666             enable i686
4667             enable fast_cmov
4668         ;;
4669         # targets that do support conditional mov but on which it's slow
4670         pentium4|pentium4m|prescott|nocona)
4671             cpuflags="-march=$cpu"
4672             enable i686
4673             disable fast_cmov
4674         ;;
4675     esac
4676
4677 fi
4678
4679 if [ "$cpu" != generic ]; then
4680     add_cflags  $cpuflags
4681     add_asflags $cpuflags
4682     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags
4683 fi
4684
4685 # compiler sanity check
4686 check_exec <<EOF
4687 int main(void){ return 0; }
4688 EOF
4689 if test "$?" != 0; then
4690     echo "$cc is unable to create an executable file."
4691     if test -z "$cross_prefix" && ! enabled cross_compile ; then
4692         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."
4693         echo "Only do this if you know what cross compiling means."
4694     fi
4695     die "C compiler test failed."
4696 fi
4697
4698 add_cppflags -D_ISOC99_SOURCE
4699 add_cxxflags -D__STDC_CONSTANT_MACROS
4700 check_cxxflags -std=c++11 || check_cxxflags -std=c++0x
4701
4702 # some compilers silently accept -std=c11, so we also need to check that the
4703 # version macro is defined properly
4704 if test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L"; then
4705     add_cflags -std=c11
4706 else
4707     check_cflags -std=c99
4708 fi
4709
4710 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
4711 #include <stdlib.h>
4712 EOF
4713 check_cc -D_LARGEFILE_SOURCE <<EOF && add_cppflags -D_LARGEFILE_SOURCE
4714 #include <stdlib.h>
4715 EOF
4716
4717 add_host_cppflags -D_ISOC99_SOURCE
4718 check_host_cflags -std=c99
4719 check_host_cflags -Wall
4720 check_host_cflags -O3
4721
4722 check_64bit(){
4723     arch32=$1
4724     arch64=$2
4725     expr=$3
4726     check_code cc "" "int test[2*($expr) - 1]" &&
4727         subarch=$arch64 || subarch=$arch32
4728 }
4729
4730 case "$arch" in
4731     aarch64|alpha|ia64)
4732         spic=$shared
4733     ;;
4734     mips)
4735         check_64bit mips mips64 '_MIPS_SIM > 1'
4736         spic=$shared
4737     ;;
4738     parisc)
4739         check_64bit parisc parisc64 'sizeof(void *) > 4'
4740         spic=$shared
4741     ;;
4742     ppc)
4743         check_64bit ppc ppc64 'sizeof(void *) > 4'
4744         spic=$shared
4745     ;;
4746     s390)
4747         check_64bit s390 s390x 'sizeof(void *) > 4'
4748         spic=$shared
4749     ;;
4750     sparc)
4751         check_64bit sparc sparc64 'sizeof(void *) > 4'
4752         spic=$shared
4753     ;;
4754     x86)
4755         check_64bit x86_32 x86_64 'sizeof(void *) > 4'
4756         # Treat x32 as x64 for now. Note it also needs spic=$shared
4757         test "$subarch" = "x86_32" && check_cpp_condition stddef.h 'defined(__x86_64__)' &&
4758             subarch=x86_64
4759         if test "$subarch" = "x86_64"; then
4760             spic=$shared
4761         fi
4762     ;;
4763     ppc)
4764         check_cc <<EOF && subarch="ppc64"
4765         int test[(int)sizeof(char*) - 7];
4766 EOF
4767     ;;
4768 esac
4769
4770 enable $subarch
4771 enabled spic && enable_weak pic
4772
4773 # OS specific
4774 case $target_os in
4775     aix)
4776         SHFLAGS=-shared
4777         add_cppflags '-I\$(SRC_PATH)/compat/aix'
4778         enabled shared && add_ldflags -Wl,-brtl
4779         ;;
4780     android)
4781         disable symver
4782         enable section_data_rel_ro
4783         SLIB_INSTALL_NAME='$(SLIBNAME)'
4784         SLIB_INSTALL_LINKS=
4785         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'
4786         ;;
4787     haiku)
4788         prefix_default="/boot/common"
4789         network_extralibs="-lnetwork"
4790         host_extralibs=
4791         ;;
4792     sunos)
4793         SHFLAGS='-shared -Wl,-h,$$(@F)'
4794         enabled x86 && SHFLAGS="-mimpure-text $SHFLAGS"
4795         network_extralibs="-lsocket -lnsl"
4796         add_cppflags -D__EXTENSIONS__
4797         # When using suncc to build, the Solaris linker will mark
4798         # an executable with each instruction set encountered by
4799         # the Solaris assembler.  As our libraries contain their own
4800         # guards for processor-specific code, instead suppress
4801         # generation of the HWCAPS ELF section on Solaris x86 only.
4802         enabled_all suncc x86 &&
4803             echo "hwcap_1 = OVERRIDE;" > mapfile &&
4804             add_ldflags -Wl,-M,mapfile
4805         nm_default='nm -P -g'
4806         version_script='-M'
4807         VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'
4808         ;;
4809     netbsd)
4810         disable symver
4811         oss_indev_extralibs="-lossaudio"
4812         oss_outdev_extralibs="-lossaudio"
4813         enabled gcc || check_ldflags -Wl,-zmuldefs
4814         ;;
4815     openbsd|bitrig)
4816         disable symver
4817         SHFLAGS='-shared'
4818         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'
4819         SLIB_INSTALL_LINKS=
4820         oss_indev_extralibs="-lossaudio"
4821         oss_outdev_extralibs="-lossaudio"
4822         ;;
4823     dragonfly)
4824         disable symver
4825         ;;
4826     freebsd)
4827         ;;
4828     bsd/os)
4829         add_extralibs -lpoll -lgnugetopt
4830         strip="strip -d"
4831         ;;
4832     darwin)
4833         enabled ppc && add_asflags -force_cpusubtype_ALL
4834         install_name_dir_default='$(SHLIBDIR)'
4835         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'
4836         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress
4837         strip="${strip} -x"
4838         add_ldflags -Wl,-dynamic,-search_paths_first
4839         SLIBSUF=".dylib"
4840         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'
4841         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'
4842         objformat="macho"
4843         enabled x86_64 && objformat="macho64"
4844         enabled_any pic shared x86_64 ||
4845             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }
4846         check_header dispatch/dispatch.h &&
4847             add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'
4848         version_script='-exported_symbols_list'
4849         VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'
4850         ;;
4851     msys*)
4852         die "Native MSYS builds are discouraged, please use the MINGW environment."
4853         ;;
4854     mingw32*|mingw64*)
4855         if test $target_os = "mingw32ce"; then
4856             disable network
4857         else
4858             target_os=mingw32
4859         fi
4860         LIBTARGET=i386
4861         if enabled x86_64; then
4862             LIBTARGET="i386:x86-64"
4863         elif enabled arm; then
4864             LIBTARGET=arm-wince
4865         fi
4866         enabled shared && ! enabled small &&