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diff --git a/template/Doxyfile.tmpl b/template/Doxyfile.tmpl
new file mode 100644
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+++ b/template/Doxyfile.tmpl
@@ -0,0 +1,2686 @@
+# Doxyfile 1.9.3
+
+# This file describes the settings to be used by the documentation system
+# doxygen (www.doxygen.org) for a project.
+#
+# All text after a double hash (##) is considered a comment and is placed in
+# front of the TAG it is preceding.
+#
+# All text after a single hash (#) is considered a comment and will be ignored.
+# The format is:
+# TAG = value [value, ...]
+# For lists, items can also be appended using:
+# TAG += value [value, ...]
+# Values that contain spaces should be placed between quotes (\" \").
+
+<%
+srcdir = miniruby = nil
+opt = OptionParser.new do |o|
+  o.on('--srcdir=SRCDIR') {|v| srcdir = v}
+  o.on('--miniruby=MINIRUBY') {|v| miniruby = v}
+  o.order!(ARGV)
+end
+srcdir ||= File.dirname(File.dirname(__FILE__))
+load 'rbconfig.rb'
+unless miniruby
+  miniruby = './miniruby$(EXEEXT) -I$(srcdir)/lib -I$(EXTOUT)/common -I./-'
+  RbConfig.expand(miniruby, RbConfig::CONFIG.merge("srcdir"=>srcdir))
+end
+dot = RbConfig::CONFIG['DOT'] || ""
+have_dot = dot.empty? ? "NO" : "YES"
+%>
+
+#---------------------------------------------------------------------------
+# Project related configuration options
+#---------------------------------------------------------------------------
+
+# This tag specifies the encoding used for all characters in the configuration
+# file that follow. The default is UTF-8 which is also the encoding used for all
+# text before the first occurrence of this tag. Doxygen uses libiconv (or the
+# iconv built into libc) for the transcoding. See
+# https://www.gnu.org/software/libiconv/ for the list of possible encodings.
+# The default value is: UTF-8.
+
+DOXYFILE_ENCODING      = UTF-8
+
+# The PROJECT_NAME tag is a single word (or a sequence of words surrounded by
+# double-quotes, unless you are using Doxywizard) that should identify the
+# project for which the documentation is generated. This name is used in the
+# title of most generated pages and in a few other places.
+# The default value is: My Project.
+
+PROJECT_NAME           = Ruby
+
+# The PROJECT_NUMBER tag can be used to enter a project or revision number. This
+# could be handy for archiving the generated documentation or if some version
+# control system is used.
+
+PROJECT_NUMBER         = "<%=RUBY_VERSION%><%= RUBY_PATCHLEVEL < 0 ? 'dev' : "p#{RUBY_PATCHLEVEL}" %> (<%=RUBY_RELEASE_DATE%> revision <%=RUBY_REVISION%>)"
+
+# Using the PROJECT_BRIEF tag one can provide an optional one line description
+# for a project that appears at the top of each page and should give viewer a
+# quick idea about the purpose of the project. Keep the description short.
+
+PROJECT_BRIEF          =
+
+# With the PROJECT_LOGO tag one can specify a logo or an icon that is included
+# in the documentation. The maximum height of the logo should not exceed 55
+# pixels and the maximum width should not exceed 200 pixels. Doxygen will copy
+# the logo to the output directory.
+
+PROJECT_LOGO           =
+
+# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) path
+# into which the generated documentation will be written. If a relative path is
+# entered, it will be relative to the location where doxygen was started. If
+# left blank the current directory will be used.
+
+OUTPUT_DIRECTORY       = doc/capi
+
+# If the CREATE_SUBDIRS tag is set to YES then doxygen will create 4096 sub-
+# directories (in 2 levels) under the output directory of each output format and
+# will distribute the generated files over these directories. Enabling this
+# option can be useful when feeding doxygen a huge amount of source files, where
+# putting all generated files in the same directory would otherwise causes
+# performance problems for the file system.
+# The default value is: NO.
+
+CREATE_SUBDIRS         = YES
+
+# If the ALLOW_UNICODE_NAMES tag is set to YES, doxygen will allow non-ASCII
+# characters to appear in the names of generated files. If set to NO, non-ASCII
+# characters will be escaped, for example _xE3_x81_x84 will be used for Unicode
+# U+3044.
+# The default value is: NO.
+
+ALLOW_UNICODE_NAMES    = NO
+
+# The OUTPUT_LANGUAGE tag is used to specify the language in which all
+# documentation generated by doxygen is written. Doxygen will use this
+# information to generate all constant output in the proper language.
+# Possible values are: Afrikaans, Arabic, Armenian, Brazilian, Catalan, Chinese,
+# Chinese-Traditional, Croatian, Czech, Danish, Dutch, English (United States),
+# Esperanto, Farsi (Persian), Finnish, French, German, Greek, Hungarian,
+# Indonesian, Italian, Japanese, Japanese-en (Japanese with English messages),
+# Korean, Korean-en (Korean with English messages), Latvian, Lithuanian,
+# Macedonian, Norwegian, Persian (Farsi), Polish, Portuguese, Romanian, Russian,
+# Serbian, Serbian-Cyrillic, Slovak, Slovene, Spanish, Swedish, Turkish,
+# Ukrainian and Vietnamese.
+# The default value is: English.
+
+OUTPUT_LANGUAGE        = English
+
+# If the BRIEF_MEMBER_DESC tag is set to YES, doxygen will include brief member
+# descriptions after the members that are listed in the file and class
+# documentation (similar to Javadoc). Set to NO to disable this.
+# The default value is: YES.
+
+BRIEF_MEMBER_DESC      = YES
+
+# If the REPEAT_BRIEF tag is set to YES, doxygen will prepend the brief
+# description of a member or function before the detailed description
+#
+# Note: If both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the
+# brief descriptions will be completely suppressed.
+# The default value is: YES.
+
+REPEAT_BRIEF           = YES
+
+# This tag implements a quasi-intelligent brief description abbreviator that is
+# used to form the text in various listings. Each string in this list, if found
+# as the leading text of the brief description, will be stripped from the text
+# and the result, after processing the whole list, is used as the annotated
+# text. Otherwise, the brief description is used as-is. If left blank, the
+# following values are used ($name is automatically replaced with the name of
+# the entity):The $name class, The $name widget, The $name file, is, provides,
+# specifies, contains, represents, a, an and the.
+
+ABBREVIATE_BRIEF       =
+
+# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then
+# doxygen will generate a detailed section even if there is only a brief
+# description.
+# The default value is: NO.
+
+ALWAYS_DETAILED_SEC    = YES
+
+# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all
+# inherited members of a class in the documentation of that class as if those
+# members were ordinary class members. Constructors, destructors and assignment
+# operators of the base classes will not be shown.
+# The default value is: NO.
+
+INLINE_INHERITED_MEMB  = NO
+
+# If the FULL_PATH_NAMES tag is set to YES, doxygen will prepend the full path
+# before files name in the file list and in the header files. If set to NO the
+# shortest path that makes the file name unique will be used
+# The default value is: YES.
+
+FULL_PATH_NAMES        = YES
+
+# The STRIP_FROM_PATH tag can be used to strip a user-defined part of the path.
+# Stripping is only done if one of the specified strings matches the left-hand
+# part of the path. The tag can be used to show relative paths in the file list.
+# If left blank the directory from which doxygen is run is used as the path to
+# strip.
+#
+# Note that you can specify absolute paths here, but also relative paths, which
+# will be relative from the directory where doxygen is started.
+# This tag requires that the tag FULL_PATH_NAMES is set to YES.
+
+STRIP_FROM_PATH        = <%=srcdir%>
+
+# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of the
+# path mentioned in the documentation of a class, which tells the reader which
+# header file to include in order to use a class. If left blank only the name of
+# the header file containing the class definition is used. Otherwise one should
+# specify the list of include paths that are normally passed to the compiler
+# using the -I flag.
+
+STRIP_FROM_INC_PATH    =
+
+# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter (but
+# less readable) file names. This can be useful is your file systems doesn't
+# support long names like on DOS, Mac, or CD-ROM.
+# The default value is: NO.
+
+SHORT_NAMES            = NO
+
+# If the JAVADOC_AUTOBRIEF tag is set to YES then doxygen will interpret the
+# first line (until the first dot) of a Javadoc-style comment as the brief
+# description. If set to NO, the Javadoc-style will behave just like regular Qt-
+# style comments (thus requiring an explicit @brief command for a brief
+# description.)
+# The default value is: NO.
+
+JAVADOC_AUTOBRIEF      = YES
+
+# If the JAVADOC_BANNER tag is set to YES then doxygen will interpret a line
+# such as
+# /***************
+# as being the beginning of a Javadoc-style comment "banner". If set to NO, the
+# Javadoc-style will behave just like regular comments and it will not be
+# interpreted by doxygen.
+# The default value is: NO.
+
+JAVADOC_BANNER         = NO
+
+# If the QT_AUTOBRIEF tag is set to YES then doxygen will interpret the first
+# line (until the first dot) of a Qt-style comment as the brief description. If
+# set to NO, the Qt-style will behave just like regular Qt-style comments (thus
+# requiring an explicit \brief command for a brief description.)
+# The default value is: NO.
+
+QT_AUTOBRIEF           = YES
+
+# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make doxygen treat a
+# multi-line C++ special comment block (i.e. a block of //! or /// comments) as
+# a brief description. This used to be the default behavior. The new default is
+# to treat a multi-line C++ comment block as a detailed description. Set this
+# tag to YES if you prefer the old behavior instead.
+#
+# Note that setting this tag to YES also means that rational rose comments are
+# not recognized any more.
+# The default value is: NO.
+
+MULTILINE_CPP_IS_BRIEF = NO
+
+# By default Python docstrings are displayed as preformatted text and doxygen's
+# special commands cannot be used. By setting PYTHON_DOCSTRING to NO the
+# doxygen's special commands can be used and the contents of the docstring
+# documentation blocks is shown as doxygen documentation.
+# The default value is: YES.
+
+PYTHON_DOCSTRING       = YES
+
+# If the INHERIT_DOCS tag is set to YES then an undocumented member inherits the
+# documentation from any documented member that it re-implements.
+# The default value is: YES.
+
+INHERIT_DOCS           = YES
+
+# If the SEPARATE_MEMBER_PAGES tag is set to YES then doxygen will produce a new
+# page for each member. If set to NO, the documentation of a member will be part
+# of the file/class/namespace that contains it.
+# The default value is: NO.
+
+SEPARATE_MEMBER_PAGES  = NO
+
+# The TAB_SIZE tag can be used to set the number of spaces in a tab. Doxygen
+# uses this value to replace tabs by spaces in code fragments.
+# Minimum value: 1, maximum value: 16, default value: 4.
+
+TAB_SIZE               = 8
+
+# This tag can be used to specify a number of aliases that act as commands in
+# the documentation. An alias has the form:
+# name=value
+# For example adding
+# "sideeffect=@par Side Effects:^^"
+# will allow you to put the command \sideeffect (or @sideeffect) in the
+# documentation, which will result in a user-defined paragraph with heading
+# "Side Effects:". Note that you cannot put \n's in the value part of an alias
+# to insert newlines (in the resulting output). You can put ^^ in the value part
+# of an alias to insert a newline as if a physical newline was in the original
+# file. When you need a literal { or } or , in the value part of an alias you
+# have to escape them by means of a backslash (\), this can lead to conflicts
+# with the commands \{ and \} for these it is advised to use the version @{ and
+# @} or use a double escape (\\{ and \\})
+
+ALIASES                =
+ALIASES               += "alias{1}=Just another name of @ref \1"
+ALIASES               += "old{1}=Old name of @ref \1.^^@deprecated Use @ref \1 instead.^^@ingroup deprecated_macros"
+ALIASES               += "shyouhei=\@shyouhei"
+ALIASES               += "ko1=\@ko1"
+ALIASES               += "matz=\@matz"
+
+# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C sources
+# only. Doxygen will then generate output that is more tailored for C. For
+# instance, some of the names that are used will be different. The list of all
+# members will be omitted, etc.
+# The default value is: NO.
+
+OPTIMIZE_OUTPUT_FOR_C  = YES
+
+# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java or
+# Python sources only. Doxygen will then generate output that is more tailored
+# for that language. For instance, namespaces will be presented as packages,
+# qualified scopes will look different, etc.
+# The default value is: NO.
+
+OPTIMIZE_OUTPUT_JAVA   = NO
+
+# Set the OPTIMIZE_FOR_FORTRAN tag to YES if your project consists of Fortran
+# sources. Doxygen will then generate output that is tailored for Fortran.
+# The default value is: NO.
+
+OPTIMIZE_FOR_FORTRAN   = NO
+
+# Set the OPTIMIZE_OUTPUT_VHDL tag to YES if your project consists of VHDL
+# sources. Doxygen will then generate output that is tailored for VHDL.
+# The default value is: NO.
+
+OPTIMIZE_OUTPUT_VHDL   = NO
+
+# Set the OPTIMIZE_OUTPUT_SLICE tag to YES if your project consists of Slice
+# sources only. Doxygen will then generate output that is more tailored for that
+# language. For instance, namespaces will be presented as modules, types will be
+# separated into more groups, etc.
+# The default value is: NO.
+
+OPTIMIZE_OUTPUT_SLICE  = NO
+
+# Doxygen selects the parser to use depending on the extension of the files it
+# parses. With this tag you can assign which parser to use for a given
+# extension. Doxygen has a built-in mapping, but you can override or extend it
+# using this tag. The format is ext=language, where ext is a file extension, and
+# language is one of the parsers supported by doxygen: IDL, Java, JavaScript,
+# Csharp (C#), C, C++, Lex, D, PHP, md (Markdown), Objective-C, Python, Slice,
+# VHDL, Fortran (fixed format Fortran: FortranFixed, free formatted Fortran:
+# FortranFree, unknown formatted Fortran: Fortran. In the later case the parser
+# tries to guess whether the code is fixed or free formatted code, this is the
+# default for Fortran type files). For instance to make doxygen treat .inc files
+# as Fortran files (default is PHP), and .f files as C (default is Fortran),
+# use: inc=Fortran f=C.
+#
+# Note: For files without extension you can use no_extension as a placeholder.
+#
+# Note that for custom extensions you also need to set FILE_PATTERNS otherwise
+# the files are not read by doxygen. When specifying no_extension you should add
+# * to the FILE_PATTERNS.
+#
+# Note see also the list of default file extension mappings.
+
+EXTENSION_MAPPING      =
+
+# If the MARKDOWN_SUPPORT tag is enabled then doxygen pre-processes all comments
+# according to the Markdown format, which allows for more readable
+# documentation. See https://daringfireball.net/projects/markdown/ for details.
+# The output of markdown processing is further processed by doxygen, so you can
+# mix doxygen, HTML, and XML commands with Markdown formatting. Disable only in
+# case of backward compatibilities issues.
+# The default value is: YES.
+
+MARKDOWN_SUPPORT       = YES
+
+# When the TOC_INCLUDE_HEADINGS tag is set to a non-zero value, all headings up
+# to that level are automatically included in the table of contents, even if
+# they do not have an id attribute.
+# Note: This feature currently applies only to Markdown headings.
+# Minimum value: 0, maximum value: 99, default value: 5.
+# This tag requires that the tag MARKDOWN_SUPPORT is set to YES.
+
+TOC_INCLUDE_HEADINGS   = 5
+
+# When enabled doxygen tries to link words that correspond to documented
+# classes, or namespaces to their corresponding documentation. Such a link can
+# be prevented in individual cases by putting a % sign in front of the word or
+# globally by setting AUTOLINK_SUPPORT to NO.
+# The default value is: YES.
+
+AUTOLINK_SUPPORT       = YES
+
+# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want
+# to include (a tag file for) the STL sources as input, then you should set this
+# tag to YES in order to let doxygen match functions declarations and
+# definitions whose arguments contain STL classes (e.g. func(std::string);
+# versus func(std::string) {}). This also make the inheritance and collaboration
+# diagrams that involve STL classes more complete and accurate.
+# The default value is: NO.
+
+BUILTIN_STL_SUPPORT    = NO
+
+# If you use Microsoft's C++/CLI language, you should set this option to YES to
+# enable parsing support.
+# The default value is: NO.
+
+CPP_CLI_SUPPORT        = NO
+
+# Set the SIP_SUPPORT tag to YES if your project consists of sip (see:
+# https://www.riverbankcomputing.com/software/sip/intro) sources only. Doxygen
+# will parse them like normal C++ but will assume all classes use public instead
+# of private inheritance when no explicit protection keyword is present.
+# The default value is: NO.
+
+SIP_SUPPORT            = NO
+
+# For Microsoft's IDL there are propget and propput attributes to indicate
+# getter and setter methods for a property. Setting this option to YES will make
+# doxygen to replace the get and set methods by a property in the documentation.
+# This will only work if the methods are indeed getting or setting a simple
+# type. If this is not the case, or you want to show the methods anyway, you
+# should set this option to NO.
+# The default value is: YES.
+
+IDL_PROPERTY_SUPPORT   = NO
+
+# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC
+# tag is set to YES then doxygen will reuse the documentation of the first
+# member in the group (if any) for the other members of the group. By default
+# all members of a group must be documented explicitly.
+# The default value is: NO.
+
+DISTRIBUTE_GROUP_DOC   = NO
+
+# If one adds a struct or class to a group and this option is enabled, then also
+# any nested class or struct is added to the same group. By default this option
+# is disabled and one has to add nested compounds explicitly via \ingroup.
+# The default value is: NO.
+
+GROUP_NESTED_COMPOUNDS = NO
+
+# Set the SUBGROUPING tag to YES to allow class member groups of the same type
+# (for instance a group of public functions) to be put as a subgroup of that
+# type (e.g. under the Public Functions section). Set it to NO to prevent
+# subgrouping. Alternatively, this can be done per class using the
+# \nosubgrouping command.
+# The default value is: YES.
+
+SUBGROUPING            = YES
+
+# When the INLINE_GROUPED_CLASSES tag is set to YES, classes, structs and unions
+# are shown inside the group in which they are included (e.g. using \ingroup)
+# instead of on a separate page (for HTML and Man pages) or section (for LaTeX
+# and RTF).
+#
+# Note that this feature does not work in combination with
+# SEPARATE_MEMBER_PAGES.
+# The default value is: NO.
+
+INLINE_GROUPED_CLASSES = NO
+
+# When the INLINE_SIMPLE_STRUCTS tag is set to YES, structs, classes, and unions
+# with only public data fields or simple typedef fields will be shown inline in
+# the documentation of the scope in which they are defined (i.e. file,
+# namespace, or group documentation), provided this scope is documented. If set
+# to NO, structs, classes, and unions are shown on a separate page (for HTML and
+# Man pages) or section (for LaTeX and RTF).
+# The default value is: NO.
+
+INLINE_SIMPLE_STRUCTS  = NO
+
+# When TYPEDEF_HIDES_STRUCT tag is enabled, a typedef of a struct, union, or
+# enum is documented as struct, union, or enum with the name of the typedef. So
+# typedef struct TypeS {} TypeT, will appear in the documentation as a struct
+# with name TypeT. When disabled the typedef will appear as a member of a file,
+# namespace, or class. And the struct will be named TypeS. This can typically be
+# useful for C code in case the coding convention dictates that all compound
+# types are typedef'ed and only the typedef is referenced, never the tag name.
+# The default value is: NO.
+
+TYPEDEF_HIDES_STRUCT   = NO
+
+# The size of the symbol lookup cache can be set using LOOKUP_CACHE_SIZE. This
+# cache is used to resolve symbols given their name and scope. Since this can be
+# an expensive process and often the same symbol appears multiple times in the
+# code, doxygen keeps a cache of pre-resolved symbols. If the cache is too small
+# doxygen will become slower. If the cache is too large, memory is wasted. The
+# cache size is given by this formula: 2^(16+LOOKUP_CACHE_SIZE). The valid range
+# is 0..9, the default is 0, corresponding to a cache size of 2^16=65536
+# symbols. At the end of a run doxygen will report the cache usage and suggest
+# the optimal cache size from a speed point of view.
+# Minimum value: 0, maximum value: 9, default value: 0.
+
+LOOKUP_CACHE_SIZE      = 0
+
+# The NUM_PROC_THREADS specifies the number threads doxygen is allowed to use
+# during processing. When set to 0 doxygen will based this on the number of
+# cores available in the system. You can set it explicitly to a value larger
+# than 0 to get more control over the balance between CPU load and processing
+# speed. At this moment only the input processing can be done using multiple
+# threads. Since this is still an experimental feature the default is set to 1,
+# which effectively disables parallel processing. Please report any issues you
+# encounter. Generating dot graphs in parallel is controlled by the
+# DOT_NUM_THREADS setting.
+# Minimum value: 0, maximum value: 32, default value: 1.
+
+NUM_PROC_THREADS       = 1
+
+#---------------------------------------------------------------------------
+# Build related configuration options
+#---------------------------------------------------------------------------
+
+# If the EXTRACT_ALL tag is set to YES, doxygen will assume all entities in
+# documentation are documented, even if no documentation was available. Private
+# class members and static file members will be hidden unless the
+# EXTRACT_PRIVATE respectively EXTRACT_STATIC tags are set to YES.
+# Note: This will also disable the warnings about undocumented members that are
+# normally produced when WARNINGS is set to YES.
+# The default value is: NO.
+
+EXTRACT_ALL            = NO
+
+# If the EXTRACT_PRIVATE tag is set to YES, all private members of a class will
+# be included in the documentation.
+# The default value is: NO.
+
+EXTRACT_PRIVATE        = NO
+
+# If the EXTRACT_PRIV_VIRTUAL tag is set to YES, documented private virtual
+# methods of a class will be included in the documentation.
+# The default value is: NO.
+
+EXTRACT_PRIV_VIRTUAL   = NO
+
+# If the EXTRACT_PACKAGE tag is set to YES, all members with package or internal
+# scope will be included in the documentation.
+# The default value is: NO.
+
+EXTRACT_PACKAGE        = NO
+
+# If the EXTRACT_STATIC tag is set to YES, all static members of a file will be
+# included in the documentation.
+# The default value is: NO.
+
+EXTRACT_STATIC         = YES
+
+# If the EXTRACT_LOCAL_CLASSES tag is set to YES, classes (and structs) defined
+# locally in source files will be included in the documentation. If set to NO,
+# only classes defined in header files are included. Does not have any effect
+# for Java sources.
+# The default value is: YES.
+
+EXTRACT_LOCAL_CLASSES  = YES
+
+# This flag is only useful for Objective-C code. If set to YES, local methods,
+# which are defined in the implementation section but not in the interface are
+# included in the documentation. If set to NO, only methods in the interface are
+# included.
+# The default value is: NO.
+
+EXTRACT_LOCAL_METHODS  = NO
+
+# If this flag is set to YES, the members of anonymous namespaces will be
+# extracted and appear in the documentation as a namespace called
+# 'anonymous_namespace{file}', where file will be replaced with the base name of
+# the file that contains the anonymous namespace. By default anonymous namespace
+# are hidden.
+# The default value is: NO.
+
+EXTRACT_ANON_NSPACES   = NO
+
+# If this flag is set to YES, the name of an unnamed parameter in a declaration
+# will be determined by the corresponding definition. By default unnamed
+# parameters remain unnamed in the output.
+# The default value is: YES.
+
+RESOLVE_UNNAMED_PARAMS = YES
+
+# If the HIDE_UNDOC_MEMBERS tag is set to YES, doxygen will hide all
+# undocumented members inside documented classes or files. If set to NO these
+# members will be included in the various overviews, but no documentation
+# section is generated. This option has no effect if EXTRACT_ALL is enabled.
+# The default value is: NO.
+
+HIDE_UNDOC_MEMBERS     = NO
+
+# If the HIDE_UNDOC_CLASSES tag is set to YES, doxygen will hide all
+# undocumented classes that are normally visible in the class hierarchy. If set
+# to NO, these classes will be included in the various overviews. This option
+# has no effect if EXTRACT_ALL is enabled.
+# The default value is: NO.
+
+HIDE_UNDOC_CLASSES     = NO
+
+# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, doxygen will hide all friend
+# declarations. If set to NO, these declarations will be included in the
+# documentation.
+# The default value is: NO.
+
+HIDE_FRIEND_COMPOUNDS  = NO
+
+# If the HIDE_IN_BODY_DOCS tag is set to YES, doxygen will hide any
+# documentation blocks found inside the body of a function. If set to NO, these
+# blocks will be appended to the function's detailed documentation block.
+# The default value is: NO.
+
+HIDE_IN_BODY_DOCS      = YES
+
+# The INTERNAL_DOCS tag determines if documentation that is typed after a
+# \internal command is included. If the tag is set to NO then the documentation
+# will be excluded. Set it to YES to include the internal documentation.
+# The default value is: NO.
+
+INTERNAL_DOCS          = NO
+
+# With the correct setting of option CASE_SENSE_NAMES doxygen will better be
+# able to match the capabilities of the underlying filesystem. In case the
+# filesystem is case sensitive (i.e. it supports files in the same directory
+# whose names only differ in casing), the option must be set to YES to properly
+# deal with such files in case they appear in the input. For filesystems that
+# are not case sensitive the option should be be set to NO to properly deal with
+# output files written for symbols that only differ in casing, such as for two
+# classes, one named CLASS and the other named Class, and to also support
+# references to files without having to specify the exact matching casing. On
+# Windows (including Cygwin) and MacOS, users should typically set this option
+# to NO, whereas on Linux or other Unix flavors it should typically be set to
+# YES.
+# The default value is: system dependent.
+
+CASE_SENSE_NAMES       = NO
+
+# If the HIDE_SCOPE_NAMES tag is set to NO then doxygen will show members with
+# their full class and namespace scopes in the documentation. If set to YES, the
+# scope will be hidden.
+# The default value is: NO.
+
+HIDE_SCOPE_NAMES       = NO
+
+# If the HIDE_COMPOUND_REFERENCE tag is set to NO (default) then doxygen will
+# append additional text to a page's title, such as Class Reference. If set to
+# YES the compound reference will be hidden.
+# The default value is: NO.
+
+HIDE_COMPOUND_REFERENCE= NO
+
+# If the SHOW_HEADERFILE tag is set to YES then the documentation for a class
+# will show which file needs to be included to use the class.
+# The default value is: YES.
+
+SHOW_HEADERFILE        = YES
+
+# If the SHOW_INCLUDE_FILES tag is set to YES then doxygen will put a list of
+# the files that are included by a file in the documentation of that file.
+# The default value is: YES.
+
+SHOW_INCLUDE_FILES     = YES
+
+# If the SHOW_GROUPED_MEMB_INC tag is set to YES then Doxygen will add for each
+# grouped member an include statement to the documentation, telling the reader
+# which file to include in order to use the member.
+# The default value is: NO.
+
+SHOW_GROUPED_MEMB_INC  = NO
+
+# If the FORCE_LOCAL_INCLUDES tag is set to YES then doxygen will list include
+# files with double quotes in the documentation rather than with sharp brackets.
+# The default value is: NO.
+
+FORCE_LOCAL_INCLUDES   = NO
+
+# If the INLINE_INFO tag is set to YES then a tag [inline] is inserted in the
+# documentation for inline members.
+# The default value is: YES.
+
+INLINE_INFO            = YES
+
+# If the SORT_MEMBER_DOCS tag is set to YES then doxygen will sort the
+# (detailed) documentation of file and class members alphabetically by member
+# name. If set to NO, the members will appear in declaration order.
+# The default value is: YES.
+
+SORT_MEMBER_DOCS       = YES
+
+# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the brief
+# descriptions of file, namespace and class members alphabetically by member
+# name. If set to NO, the members will appear in declaration order. Note that
+# this will also influence the order of the classes in the class list.
+# The default value is: NO.
+
+SORT_BRIEF_DOCS        = NO
+
+# If the SORT_MEMBERS_CTORS_1ST tag is set to YES then doxygen will sort the
+# (brief and detailed) documentation of class members so that constructors and
+# destructors are listed first. If set to NO the constructors will appear in the
+# respective orders defined by SORT_BRIEF_DOCS and SORT_MEMBER_DOCS.
+# Note: If SORT_BRIEF_DOCS is set to NO this option is ignored for sorting brief
+# member documentation.
+# Note: If SORT_MEMBER_DOCS is set to NO this option is ignored for sorting
+# detailed member documentation.
+# The default value is: NO.
+
+SORT_MEMBERS_CTORS_1ST = NO
+
+# If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the hierarchy
+# of group names into alphabetical order. If set to NO the group names will
+# appear in their defined order.
+# The default value is: NO.
+
+SORT_GROUP_NAMES       = NO
+
+# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be sorted by
+# fully-qualified names, including namespaces. If set to NO, the class list will
+# be sorted only by class name, not including the namespace part.
+# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES.
+# Note: This option applies only to the class list, not to the alphabetical
+# list.
+# The default value is: NO.
+
+SORT_BY_SCOPE_NAME     = NO
+
+# If the STRICT_PROTO_MATCHING option is enabled and doxygen fails to do proper
+# type resolution of all parameters of a function it will reject a match between
+# the prototype and the implementation of a member function even if there is
+# only one candidate or it is obvious which candidate to choose by doing a
+# simple string match. By disabling STRICT_PROTO_MATCHING doxygen will still
+# accept a match between prototype and implementation in such cases.
+# The default value is: NO.
+
+STRICT_PROTO_MATCHING  = NO
+
+# The GENERATE_TODOLIST tag can be used to enable (YES) or disable (NO) the todo
+# list. This list is created by putting \todo commands in the documentation.
+# The default value is: YES.
+
+GENERATE_TODOLIST      = YES
+
+# The GENERATE_TESTLIST tag can be used to enable (YES) or disable (NO) the test
+# list. This list is created by putting \test commands in the documentation.
+# The default value is: YES.
+
+GENERATE_TESTLIST      = YES
+
+# The GENERATE_BUGLIST tag can be used to enable (YES) or disable (NO) the bug
+# list. This list is created by putting \bug commands in the documentation.
+# The default value is: YES.
+
+GENERATE_BUGLIST       = YES
+
+# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or disable (NO)
+# the deprecated list. This list is created by putting \deprecated commands in
+# the documentation.
+# The default value is: YES.
+
+GENERATE_DEPRECATEDLIST= YES
+
+# The ENABLED_SECTIONS tag can be used to enable conditional documentation
+# sections, marked by \if <section_label> ... \endif and \cond <section_label>
+# ... \endcond blocks.
+
+ENABLED_SECTIONS       =
+
+# The MAX_INITIALIZER_LINES tag determines the maximum number of lines that the
+# initial value of a variable or macro / define can have for it to appear in the
+# documentation. If the initializer consists of more lines than specified here
+# it will be hidden. Use a value of 0 to hide initializers completely. The
+# appearance of the value of individual variables and macros / defines can be
+# controlled using \showinitializer or \hideinitializer command in the
+# documentation regardless of this setting.
+# Minimum value: 0, maximum value: 10000, default value: 30.
+
+MAX_INITIALIZER_LINES  = 30
+
+# Set the SHOW_USED_FILES tag to NO to disable the list of files generated at
+# the bottom of the documentation of classes and structs. If set to YES, the
+# list will mention the files that were used to generate the documentation.
+# The default value is: YES.
+
+SHOW_USED_FILES        = YES
+
+# Set the SHOW_FILES tag to NO to disable the generation of the Files page. This
+# will remove the Files entry from the Quick Index and from the Folder Tree View
+# (if specified).
+# The default value is: YES.
+
+SHOW_FILES             = YES
+
+# Set the SHOW_NAMESPACES tag to NO to disable the generation of the Namespaces
+# page. This will remove the Namespaces entry from the Quick Index and from the
+# Folder Tree View (if specified).
+# The default value is: YES.
+
+SHOW_NAMESPACES        = YES
+
+# The FILE_VERSION_FILTER tag can be used to specify a program or script that
+# doxygen should invoke to get the current version for each file (typically from
+# the version control system). Doxygen will invoke the program by executing (via
+# popen()) the command command input-file, where command is the value of the
+# FILE_VERSION_FILTER tag, and input-file is the name of an input file provided
+# by doxygen. Whatever the program writes to standard output is used as the file
+# version. For an example see the documentation.
+
+FILE_VERSION_FILTER    = "<%=miniruby%> <%=srcdir%>/tool/file2lastrev.rb -q --srcdir=<%=srcdir%>"
+
+# The LAYOUT_FILE tag can be used to specify a layout file which will be parsed
+# by doxygen. The layout file controls the global structure of the generated
+# output files in an output format independent way. To create the layout file
+# that represents doxygen's defaults, run doxygen with the -l option. You can
+# optionally specify a file name after the option, if omitted DoxygenLayout.xml
+# will be used as the name of the layout file. See also section "Changing the
+# layout of pages" for information.
+#
+# Note that if you run doxygen from a directory containing a file called
+# DoxygenLayout.xml, doxygen will parse it automatically even if the LAYOUT_FILE
+# tag is left empty.
+
+LAYOUT_FILE            =
+
+# The CITE_BIB_FILES tag can be used to specify one or more bib files containing
+# the reference definitions. This must be a list of .bib files. The .bib
+# extension is automatically appended if omitted. This requires the bibtex tool
+# to be installed. See also https://en.wikipedia.org/wiki/BibTeX for more info.
+# For LaTeX the style of the bibliography can be controlled using
+# LATEX_BIB_STYLE. To use this feature you need bibtex and perl available in the
+# search path. See also \cite for info how to create references.
+
+CITE_BIB_FILES         =
+
+#---------------------------------------------------------------------------
+# Configuration options related to warning and progress messages
+#---------------------------------------------------------------------------
+
+# The QUIET tag can be used to turn on/off the messages that are generated to
+# standard output by doxygen. If QUIET is set to YES this implies that the
+# messages are off.
+# The default value is: NO.
+
+QUIET                  = NO
+
+# The WARNINGS tag can be used to turn on/off the warning messages that are
+# generated to standard error (stderr) by doxygen. If WARNINGS is set to YES
+# this implies that the warnings are on.
+#
+# Tip: Turn warnings on while writing the documentation.
+# The default value is: YES.
+
+WARNINGS               = YES
+
+# If the WARN_IF_UNDOCUMENTED tag is set to YES then doxygen will generate
+# warnings for undocumented members. If EXTRACT_ALL is set to YES then this flag
+# will automatically be disabled.
+# The default value is: YES.
+
+WARN_IF_UNDOCUMENTED   = YES
+
+# If the WARN_IF_DOC_ERROR tag is set to YES, doxygen will generate warnings for
+# potential errors in the documentation, such as documenting some parameters in
+# a documented function twice, or documenting parameters that don't exist or
+# using markup commands wrongly.
+# The default value is: YES.
+
+WARN_IF_DOC_ERROR      = YES
+
+# If WARN_IF_INCOMPLETE_DOC is set to YES, doxygen will warn about incomplete
+# function parameter documentation. If set to NO, doxygen will accept that some
+# parameters have no documentation without warning.
+# The default value is: YES.
+
+WARN_IF_INCOMPLETE_DOC = YES
+
+# This WARN_NO_PARAMDOC option can be enabled to get warnings for functions that
+# are documented, but have no documentation for their parameters or return
+# value. If set to NO, doxygen will only warn about wrong parameter
+# documentation, but not about the absence of documentation. If EXTRACT_ALL is
+# set to YES then this flag will automatically be disabled. See also
+# WARN_IF_INCOMPLETE_DOC
+# The default value is: NO.
+
+WARN_NO_PARAMDOC       = NO
+
+# If the WARN_AS_ERROR tag is set to YES then doxygen will immediately stop when
+# a warning is encountered. If the WARN_AS_ERROR tag is set to FAIL_ON_WARNINGS
+# then doxygen will continue running as if WARN_AS_ERROR tag is set to NO, but
+# at the end of the doxygen process doxygen will return with a non-zero status.
+# Possible values are: NO, YES and FAIL_ON_WARNINGS.
+# The default value is: NO.
+
+WARN_AS_ERROR          = NO
+
+# The WARN_FORMAT tag determines the format of the warning messages that doxygen
+# can produce. The string should contain the $file, $line, and $text tags, which
+# will be replaced by the file and line number from which the warning originated
+# and the warning text. Optionally the format may contain $version, which will
+# be replaced by the version of the file (if it could be obtained via
+# FILE_VERSION_FILTER)
+# The default value is: $file:$line: $text.
+
+WARN_FORMAT            = "$file:$line: $text"
+
+# The WARN_LOGFILE tag can be used to specify a file to which warning and error
+# messages should be written. If left blank the output is written to standard
+# error (stderr).
+
+WARN_LOGFILE           =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the input files
+#---------------------------------------------------------------------------
+
+# The INPUT tag is used to specify the files and/or directories that contain
+# documented source files. You may enter file names like myfile.cpp or
+# directories like /usr/src/myproject. Separate the files or directories with
+# spaces. See also FILE_PATTERNS and EXTENSION_MAPPING
+# Note: If this tag is empty the current directory is searched.
+
+INPUT                  =
+INPUT                 += <%=srcdir%>
+INPUT                 += .
+
+# This tag can be used to specify the character encoding of the source files
+# that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
+# libiconv (or the iconv built into libc) for the transcoding. See the libiconv
+# documentation (see:
+# https://www.gnu.org/software/libiconv/) for the list of possible encodings.
+# The default value is: UTF-8.
+
+INPUT_ENCODING         = UTF-8
+
+# If the value of the INPUT tag contains directories, you can use the
+# FILE_PATTERNS tag to specify one or more wildcard patterns (like *.cpp and
+# *.h) to filter out the source-files in the directories.
+#
+# Note that for custom extensions or not directly supported extensions you also
+# need to set EXTENSION_MAPPING for the extension otherwise the files are not
+# read by doxygen.
+#
+# Note the list of default checked file patterns might differ from the list of
+# default file extension mappings.
+#
+# If left blank the following patterns are tested:*.c, *.cc, *.cxx, *.cpp,
+# *.c++, *.java, *.ii, *.ixx, *.ipp, *.i++, *.inl, *.idl, *.ddl, *.odl, *.h,
+# *.hh, *.hxx, *.hpp, *.h++, *.l, *.cs, *.d, *.php, *.php4, *.php5, *.phtml,
+# *.inc, *.m, *.markdown, *.md, *.mm, *.dox (to be provided as doxygen C
+# comment), *.py, *.pyw, *.f90, *.f95, *.f03, *.f08, *.f18, *.f, *.for, *.vhd,
+# *.vhdl, *.ucf, *.qsf and *.ice.
+
+FILE_PATTERNS          =
+FILE_PATTERNS         += *.c
+FILE_PATTERNS         += *.h
+FILE_PATTERNS         += *.hpp
+FILE_PATTERNS         += *.y
+FILE_PATTERNS         +=*.def
+
+# The RECURSIVE tag can be used to specify whether or not subdirectories should
+# be searched for input files as well.
+# The default value is: NO.
+
+RECURSIVE              = YES
+
+# The EXCLUDE tag can be used to specify files and/or directories that should be
+# excluded from the INPUT source files. This way you can easily exclude a
+# subdirectory from a directory tree whose root is specified with the INPUT tag.
+#
+# Note that relative paths are relative to the directory from which doxygen is
+# run.
+
+EXCLUDE                =
+EXCLUDE               += <%=srcdir%>/ccan
+EXCLUDE               += <%=srcdir%>/ext
+
+# The EXCLUDE_SYMLINKS tag can be used to select whether or not files or
+# directories that are symbolic links (a Unix file system feature) are excluded
+# from the input.
+# The default value is: NO.
+
+EXCLUDE_SYMLINKS       = YES
+
+# If the value of the INPUT tag contains directories, you can use the
+# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude
+# certain files from those directories.
+#
+# Note that the wildcards are matched against the file with absolute path, so to
+# exclude all test directories for example use the pattern */test/*
+
+EXCLUDE_PATTERNS       =
+EXCLUDE_PATTERNS      += *.src
+EXCLUDE_PATTERNS      += *prelude.c
+EXCLUDE_PATTERNS      += .ext
+EXCLUDE_PATTERNS      += .git
+EXCLUDE_PATTERNS      += .svn
+EXCLUDE_PATTERNS      += bootstraptest
+EXCLUDE_PATTERNS      += build
+EXCLUDE_PATTERNS      += doc
+EXCLUDE_PATTERNS      += enc
+EXCLUDE_PATTERNS      += encdb.h
+EXCLUDE_PATTERNS      += extconf.h
+EXCLUDE_PATTERNS      += insns.def
+EXCLUDE_PATTERNS      += lib
+EXCLUDE_PATTERNS      += rb_mjit_header.h
+EXCLUDE_PATTERNS      += spec
+EXCLUDE_PATTERNS      += test
+EXCLUDE_PATTERNS      += tmp
+EXCLUDE_PATTERNS      += transdb.h
+EXCLUDE_PATTERNS      += yarvtest
+
+# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names
+# (namespaces, classes, functions, etc.) that should be excluded from the
+# output. The symbol name can be a fully qualified name, a word, or if the
+# wildcard * is used, a substring. Examples: ANamespace, AClass,
+# AClass::ANamespace, ANamespace::*Test
+#
+# Note that the wildcards are matched against the file with absolute path, so to
+# exclude all test directories use the pattern */test/*
+
+EXCLUDE_SYMBOLS        =
+
+# The EXAMPLE_PATH tag can be used to specify one or more files or directories
+# that contain example code fragments that are included (see the \include
+# command).
+
+EXAMPLE_PATH           =
+
+# If the value of the EXAMPLE_PATH tag contains directories, you can use the
+# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp and
+# *.h) to filter out the source-files in the directories. If left blank all
+# files are included.
+
+EXAMPLE_PATTERNS       =
+
+# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be
+# searched for input files to be used with the \include or \dontinclude commands
+# irrespective of the value of the RECURSIVE tag.
+# The default value is: NO.
+
+EXAMPLE_RECURSIVE      = NO
+
+# The IMAGE_PATH tag can be used to specify one or more files or directories
+# that contain images that are to be included in the documentation (see the
+# \image command).
+
+IMAGE_PATH             = <%=srcdir%>/doc/images
+
+# The INPUT_FILTER tag can be used to specify a program that doxygen should
+# invoke to filter for each input file. Doxygen will invoke the filter program
+# by executing (via popen()) the command:
+#
+# <filter> <input-file>
+#
+# where <filter> is the value of the INPUT_FILTER tag, and <input-file> is the
+# name of an input file. Doxygen will then use the output that the filter
+# program writes to standard output. If FILTER_PATTERNS is specified, this tag
+# will be ignored.
+#
+# Note that the filter must not add or remove lines; it is applied before the
+# code is scanned, but not when the output code is generated. If lines are added
+# or removed, the anchors will not be placed correctly.
+#
+# Note that for custom extensions or not directly supported extensions you also
+# need to set EXTENSION_MAPPING for the extension otherwise the files are not
+# properly processed by doxygen.
+
+INPUT_FILTER           = "<%=miniruby%> <%=srcdir%>/tool/strip-rdoc.rb"
+
+# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern
+# basis. Doxygen will compare the file name with each pattern and apply the
+# filter if there is a match. The filters are a list of the form: pattern=filter
+# (like *.cpp=my_cpp_filter). See INPUT_FILTER for further information on how
+# filters are used. If the FILTER_PATTERNS tag is empty or if none of the
+# patterns match the file name, INPUT_FILTER is applied.
+#
+# Note that for custom extensions or not directly supported extensions you also
+# need to set EXTENSION_MAPPING for the extension otherwise the files are not
+# properly processed by doxygen.
+
+FILTER_PATTERNS        =
+
+# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using
+# INPUT_FILTER) will also be used to filter the input files that are used for
+# producing the source files to browse (i.e. when SOURCE_BROWSER is set to YES).
+# The default value is: NO.
+
+FILTER_SOURCE_FILES    = YES
+
+# The FILTER_SOURCE_PATTERNS tag can be used to specify source filters per file
+# pattern. A pattern will override the setting for FILTER_PATTERN (if any) and
+# it is also possible to disable source filtering for a specific pattern using
+# *.ext= (so without naming a filter).
+# This tag requires that the tag FILTER_SOURCE_FILES is set to YES.
+
+FILTER_SOURCE_PATTERNS =
+
+# If the USE_MDFILE_AS_MAINPAGE tag refers to the name of a markdown file that
+# is part of the input, its contents will be placed on the main page
+# (index.html). This can be useful if you have a project on for instance GitHub
+# and want to reuse the introduction page also for the doxygen output.
+
+USE_MDFILE_AS_MAINPAGE =
+
+#---------------------------------------------------------------------------
+# Configuration options related to source browsing
+#---------------------------------------------------------------------------
+
+# If the SOURCE_BROWSER tag is set to YES then a list of source files will be
+# generated. Documented entities will be cross-referenced with these sources.
+#
+# Note: To get rid of all source code in the generated output, make sure that
+# also VERBATIM_HEADERS is set to NO.
+# The default value is: NO.
+
+SOURCE_BROWSER         = YES
+
+# Setting the INLINE_SOURCES tag to YES will include the body of functions,
+# classes and enums directly into the documentation.
+# The default value is: NO.
+
+INLINE_SOURCES         = NO
+
+# Setting the STRIP_CODE_COMMENTS tag to YES will instruct doxygen to hide any
+# special comment blocks from generated source code fragments. Normal C, C++ and
+# Fortran comments will always remain visible.
+# The default value is: YES.
+
+STRIP_CODE_COMMENTS    = YES
+
+# If the REFERENCED_BY_RELATION tag is set to YES then for each documented
+# entity all documented functions referencing it will be listed.
+# The default value is: NO.
+
+REFERENCED_BY_RELATION = YES
+
+# If the REFERENCES_RELATION tag is set to YES then for each documented function
+# all documented entities called/used by that function will be listed.
+# The default value is: NO.
+
+REFERENCES_RELATION    = NO
+
+# If the REFERENCES_LINK_SOURCE tag is set to YES and SOURCE_BROWSER tag is set
+# to YES then the hyperlinks from functions in REFERENCES_RELATION and
+# REFERENCED_BY_RELATION lists will link to the source code. Otherwise they will
+# link to the documentation.
+# The default value is: YES.
+
+REFERENCES_LINK_SOURCE = YES
+
+# If SOURCE_TOOLTIPS is enabled (the default) then hovering a hyperlink in the
+# source code will show a tooltip with additional information such as prototype,
+# brief description and links to the definition and documentation. Since this
+# will make the HTML file larger and loading of large files a bit slower, you
+# can opt to disable this feature.
+# The default value is: YES.
+# This tag requires that the tag SOURCE_BROWSER is set to YES.
+
+SOURCE_TOOLTIPS        = YES
+
+# If the USE_HTAGS tag is set to YES then the references to source code will
+# point to the HTML generated by the htags(1) tool instead of doxygen built-in
+# source browser. The htags tool is part of GNU's global source tagging system
+# (see https://www.gnu.org/software/global/global.html). You will need version
+# 4.8.6 or higher.
+#
+# To use it do the following:
+# - Install the latest version of global
+# - Enable SOURCE_BROWSER and USE_HTAGS in the configuration file
+# - Make sure the INPUT points to the root of the source tree
+# - Run doxygen as normal
+#
+# Doxygen will invoke htags (and that will in turn invoke gtags), so these
+# tools must be available from the command line (i.e. in the search path).
+#
+# The result: instead of the source browser generated by doxygen, the links to
+# source code will now point to the output of htags.
+# The default value is: NO.
+# This tag requires that the tag SOURCE_BROWSER is set to YES.
+
+USE_HTAGS              = NO
+
+# If the VERBATIM_HEADERS tag is set the YES then doxygen will generate a
+# verbatim copy of the header file for each class for which an include is
+# specified. Set to NO to disable this.
+# See also: Section \class.
+# The default value is: YES.
+
+VERBATIM_HEADERS       = YES
+
+#---------------------------------------------------------------------------
+# Configuration options related to the alphabetical class index
+#---------------------------------------------------------------------------
+
+# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index of all
+# compounds will be generated. Enable this if the project contains a lot of
+# classes, structs, unions or interfaces.
+# The default value is: YES.
+
+ALPHABETICAL_INDEX     = YES
+
+# In case all classes in a project start with a common prefix, all classes will
+# be put under the same header in the alphabetical index. The IGNORE_PREFIX tag
+# can be used to specify a prefix (or a list of prefixes) that should be ignored
+# while generating the index headers.
+# This tag requires that the tag ALPHABETICAL_INDEX is set to YES.
+
+IGNORE_PREFIX          =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the HTML output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_HTML tag is set to YES, doxygen will generate HTML output
+# The default value is: YES.
+
+GENERATE_HTML          = YES
+
+# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. If a
+# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
+# it.
+# The default directory is: html.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_OUTPUT            = html
+
+# The HTML_FILE_EXTENSION tag can be used to specify the file extension for each
+# generated HTML page (for example: .htm, .php, .asp).
+# The default value is: .html.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_FILE_EXTENSION    = .html
+
+# The HTML_HEADER tag can be used to specify a user-defined HTML header file for
+# each generated HTML page. If the tag is left blank doxygen will generate a
+# standard header.
+#
+# To get valid HTML the header file that includes any scripts and style sheets
+# that doxygen needs, which is dependent on the configuration options used (e.g.
+# the setting GENERATE_TREEVIEW). It is highly recommended to start with a
+# default header using
+# doxygen -w html new_header.html new_footer.html new_stylesheet.css
+# YourConfigFile
+# and then modify the file new_header.html. See also section "Doxygen usage"
+# for information on how to generate the default header that doxygen normally
+# uses.
+# Note: The header is subject to change so you typically have to regenerate the
+# default header when upgrading to a newer version of doxygen. For a description
+# of the possible markers and block names see the documentation.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_HEADER            =
+
+# The HTML_FOOTER tag can be used to specify a user-defined HTML footer for each
+# generated HTML page. If the tag is left blank doxygen will generate a standard
+# footer. See HTML_HEADER for more information on how to generate a default
+# footer and what special commands can be used inside the footer. See also
+# section "Doxygen usage" for information on how to generate the default footer
+# that doxygen normally uses.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_FOOTER            =
+
+# The HTML_STYLESHEET tag can be used to specify a user-defined cascading style
+# sheet that is used by each HTML page. It can be used to fine-tune the look of
+# the HTML output. If left blank doxygen will generate a default style sheet.
+# See also section "Doxygen usage" for information on how to generate the style
+# sheet that doxygen normally uses.
+# Note: It is recommended to use HTML_EXTRA_STYLESHEET instead of this tag, as
+# it is more robust and this tag (HTML_STYLESHEET) will in the future become
+# obsolete.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_STYLESHEET        =
+
+# The HTML_EXTRA_STYLESHEET tag can be used to specify additional user-defined
+# cascading style sheets that are included after the standard style sheets
+# created by doxygen. Using this option one can overrule certain style aspects.
+# This is preferred over using HTML_STYLESHEET since it does not replace the
+# standard style sheet and is therefore more robust against future updates.
+# Doxygen will copy the style sheet files to the output directory.
+# Note: The order of the extra style sheet files is of importance (e.g. the last
+# style sheet in the list overrules the setting of the previous ones in the
+# list). For an example see the documentation.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_EXTRA_STYLESHEET  =
+
+# The HTML_EXTRA_FILES tag can be used to specify one or more extra images or
+# other source files which should be copied to the HTML output directory. Note
+# that these files will be copied to the base HTML output directory. Use the
+# $relpath^ marker in the HTML_HEADER and/or HTML_FOOTER files to load these
+# files. In the HTML_STYLESHEET file, use the file name only. Also note that the
+# files will be copied as-is; there are no commands or markers available.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_EXTRA_FILES       =
+
+# The HTML_COLORSTYLE_HUE tag controls the color of the HTML output. Doxygen
+# will adjust the colors in the style sheet and background images according to
+# this color. Hue is specified as an angle on a color-wheel, see
+# https://en.wikipedia.org/wiki/Hue for more information. For instance the value
+# 0 represents red, 60 is yellow, 120 is green, 180 is cyan, 240 is blue, 300
+# purple, and 360 is red again.
+# Minimum value: 0, maximum value: 359, default value: 220.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_COLORSTYLE_HUE    = 220
+
+# The HTML_COLORSTYLE_SAT tag controls the purity (or saturation) of the colors
+# in the HTML output. For a value of 0 the output will use gray-scales only. A
+# value of 255 will produce the most vivid colors.
+# Minimum value: 0, maximum value: 255, default value: 100.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_COLORSTYLE_SAT    = 100
+
+# The HTML_COLORSTYLE_GAMMA tag controls the gamma correction applied to the
+# luminance component of the colors in the HTML output. Values below 100
+# gradually make the output lighter, whereas values above 100 make the output
+# darker. The value divided by 100 is the actual gamma applied, so 80 represents
+# a gamma of 0.8, The value 220 represents a gamma of 2.2, and 100 does not
+# change the gamma.
+# Minimum value: 40, maximum value: 240, default value: 80.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_COLORSTYLE_GAMMA  = 80
+
+# If the HTML_TIMESTAMP tag is set to YES then the footer of each generated HTML
+# page will contain the date and time when the page was generated. Setting this
+# to YES can help to show when doxygen was last run and thus if the
+# documentation is up to date.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_TIMESTAMP         = NO
+
+# If the HTML_DYNAMIC_MENUS tag is set to YES then the generated HTML
+# documentation will contain a main index with vertical navigation menus that
+# are dynamically created via JavaScript. If disabled, the navigation index will
+# consists of multiple levels of tabs that are statically embedded in every HTML
+# page. Disable this option to support browsers that do not have JavaScript,
+# like the Qt help browser.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_DYNAMIC_MENUS     = YES
+
+# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML
+# documentation will contain sections that can be hidden and shown after the
+# page has loaded.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_DYNAMIC_SECTIONS  = NO
+
+# With HTML_INDEX_NUM_ENTRIES one can control the preferred number of entries
+# shown in the various tree structured indices initially; the user can expand
+# and collapse entries dynamically later on. Doxygen will expand the tree to
+# such a level that at most the specified number of entries are visible (unless
+# a fully collapsed tree already exceeds this amount). So setting the number of
+# entries 1 will produce a full collapsed tree by default. 0 is a special value
+# representing an infinite number of entries and will result in a full expanded
+# tree by default.
+# Minimum value: 0, maximum value: 9999, default value: 100.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_INDEX_NUM_ENTRIES = 100
+
+# If the GENERATE_DOCSET tag is set to YES, additional index files will be
+# generated that can be used as input for Apple's Xcode 3 integrated development
+# environment (see:
+# https://developer.apple.com/xcode/), introduced with OSX 10.5 (Leopard). To
+# create a documentation set, doxygen will generate a Makefile in the HTML
+# output directory. Running make will produce the docset in that directory and
+# running make install will install the docset in
+# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find it at
+# startup. See https://developer.apple.com/library/archive/featuredarticles/Doxy
+# genXcode/_index.html for more information.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_DOCSET        = NO
+
+# This tag determines the name of the docset feed. A documentation feed provides
+# an umbrella under which multiple documentation sets from a single provider
+# (such as a company or product suite) can be grouped.
+# The default value is: Doxygen generated docs.
+# This tag requires that the tag GENERATE_DOCSET is set to YES.
+
+DOCSET_FEEDNAME        = "Doxygen generated docs"
+
+# This tag determines the URL of the docset feed. A documentation feed provides
+# an umbrella under which multiple documentation sets from a single provider
+# (such as a company or product suite) can be grouped.
+# This tag requires that the tag GENERATE_DOCSET is set to YES.
+
+DOCSET_FEEDURL         =
+
+# This tag specifies a string that should uniquely identify the documentation
+# set bundle. This should be a reverse domain-name style string, e.g.
+# com.mycompany.MyDocSet. Doxygen will append .docset to the name.
+# The default value is: org.doxygen.Project.
+# This tag requires that the tag GENERATE_DOCSET is set to YES.
+
+DOCSET_BUNDLE_ID       = org.doxygen.Project
+
+# The DOCSET_PUBLISHER_ID tag specifies a string that should uniquely identify
+# the documentation publisher. This should be a reverse domain-name style
+# string, e.g. com.mycompany.MyDocSet.documentation.
+# The default value is: org.doxygen.Publisher.
+# This tag requires that the tag GENERATE_DOCSET is set to YES.
+
+DOCSET_PUBLISHER_ID    = org.doxygen.Publisher
+
+# The DOCSET_PUBLISHER_NAME tag identifies the documentation publisher.
+# The default value is: Publisher.
+# This tag requires that the tag GENERATE_DOCSET is set to YES.
+
+DOCSET_PUBLISHER_NAME  = Publisher
+
+# If the GENERATE_HTMLHELP tag is set to YES then doxygen generates three
+# additional HTML index files: index.hhp, index.hhc, and index.hhk. The
+# index.hhp is a project file that can be read by Microsoft's HTML Help Workshop
+# on Windows. In the beginning of 2021 Microsoft took the original page, with
+# a.o. the download links, offline the HTML help workshop was already many years
+# in maintenance mode). You can download the HTML help workshop from the web
+# archives at Installation executable (see:
+# http://web.archive.org/web/20160201063255/http://download.microsoft.com/downlo
+# ad/0/A/9/0A939EF6-E31C-430F-A3DF-DFAE7960D564/htmlhelp.exe).
+#
+# The HTML Help Workshop contains a compiler that can convert all HTML output
+# generated by doxygen into a single compiled HTML file (.chm). Compiled HTML
+# files are now used as the Windows 98 help format, and will replace the old
+# Windows help format (.hlp) on all Windows platforms in the future. Compressed
+# HTML files also contain an index, a table of contents, and you can search for
+# words in the documentation. The HTML workshop also contains a viewer for
+# compressed HTML files.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_HTMLHELP      = NO
+
+# The CHM_FILE tag can be used to specify the file name of the resulting .chm
+# file. You can add a path in front of the file if the result should not be
+# written to the html output directory.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+CHM_FILE               =
+
+# The HHC_LOCATION tag can be used to specify the location (absolute path
+# including file name) of the HTML help compiler (hhc.exe). If non-empty,
+# doxygen will try to run the HTML help compiler on the generated index.hhp.
+# The file has to be specified with full path.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+HHC_LOCATION           =
+
+# The GENERATE_CHI flag controls if a separate .chi index file is generated
+# (YES) or that it should be included in the main .chm file (NO).
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+GENERATE_CHI           = NO
+
+# The CHM_INDEX_ENCODING is used to encode HtmlHelp index (hhk), content (hhc)
+# and project file content.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+CHM_INDEX_ENCODING     =
+
+# The BINARY_TOC flag controls whether a binary table of contents is generated
+# (YES) or a normal table of contents (NO) in the .chm file. Furthermore it
+# enables the Previous and Next buttons.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+BINARY_TOC             = NO
+
+# The TOC_EXPAND flag can be set to YES to add extra items for group members to
+# the table of contents of the HTML help documentation and to the tree view.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTMLHELP is set to YES.
+
+TOC_EXPAND             = NO
+
+# If the GENERATE_QHP tag is set to YES and both QHP_NAMESPACE and
+# QHP_VIRTUAL_FOLDER are set, an additional index file will be generated that
+# can be used as input for Qt's qhelpgenerator to generate a Qt Compressed Help
+# (.qch) of the generated HTML documentation.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_QHP           = NO
+
+# If the QHG_LOCATION tag is specified, the QCH_FILE tag can be used to specify
+# the file name of the resulting .qch file. The path specified is relative to
+# the HTML output folder.
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QCH_FILE               =
+
+# The QHP_NAMESPACE tag specifies the namespace to use when generating Qt Help
+# Project output. For more information please see Qt Help Project / Namespace
+# (see:
+# https://doc.qt.io/archives/qt-4.8/qthelpproject.html#namespace).
+# The default value is: org.doxygen.Project.
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_NAMESPACE          = org.doxygen.Project
+
+# The QHP_VIRTUAL_FOLDER tag specifies the namespace to use when generating Qt
+# Help Project output. For more information please see Qt Help Project / Virtual
+# Folders (see:
+# https://doc.qt.io/archives/qt-4.8/qthelpproject.html#virtual-folders).
+# The default value is: doc.
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_VIRTUAL_FOLDER     = doc
+
+# If the QHP_CUST_FILTER_NAME tag is set, it specifies the name of a custom
+# filter to add. For more information please see Qt Help Project / Custom
+# Filters (see:
+# https://doc.qt.io/archives/qt-4.8/qthelpproject.html#custom-filters).
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_CUST_FILTER_NAME   =
+
+# The QHP_CUST_FILTER_ATTRS tag specifies the list of the attributes of the
+# custom filter to add. For more information please see Qt Help Project / Custom
+# Filters (see:
+# https://doc.qt.io/archives/qt-4.8/qthelpproject.html#custom-filters).
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_CUST_FILTER_ATTRS  =
+
+# The QHP_SECT_FILTER_ATTRS tag specifies the list of the attributes this
+# project's filter section matches. Qt Help Project / Filter Attributes (see:
+# https://doc.qt.io/archives/qt-4.8/qthelpproject.html#filter-attributes).
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHP_SECT_FILTER_ATTRS  =
+
+# The QHG_LOCATION tag can be used to specify the location (absolute path
+# including file name) of Qt's qhelpgenerator. If non-empty doxygen will try to
+# run qhelpgenerator on the generated .qhp file.
+# This tag requires that the tag GENERATE_QHP is set to YES.
+
+QHG_LOCATION           =
+
+# If the GENERATE_ECLIPSEHELP tag is set to YES, additional index files will be
+# generated, together with the HTML files, they form an Eclipse help plugin. To
+# install this plugin and make it available under the help contents menu in
+# Eclipse, the contents of the directory containing the HTML and XML files needs
+# to be copied into the plugins directory of eclipse. The name of the directory
+# within the plugins directory should be the same as the ECLIPSE_DOC_ID value.
+# After copying Eclipse needs to be restarted before the help appears.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_ECLIPSEHELP   = NO
+
+# A unique identifier for the Eclipse help plugin. When installing the plugin
+# the directory name containing the HTML and XML files should also have this
+# name. Each documentation set should have its own identifier.
+# The default value is: org.doxygen.Project.
+# This tag requires that the tag GENERATE_ECLIPSEHELP is set to YES.
+
+ECLIPSE_DOC_ID         = org.doxygen.Project
+
+# If you want full control over the layout of the generated HTML pages it might
+# be necessary to disable the index and replace it with your own. The
+# DISABLE_INDEX tag can be used to turn on/off the condensed index (tabs) at top
+# of each HTML page. A value of NO enables the index and the value YES disables
+# it. Since the tabs in the index contain the same information as the navigation
+# tree, you can set this option to YES if you also set GENERATE_TREEVIEW to YES.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+DISABLE_INDEX          = NO
+
+# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index
+# structure should be generated to display hierarchical information. If the tag
+# value is set to YES, a side panel will be generated containing a tree-like
+# index structure (just like the one that is generated for HTML Help). For this
+# to work a browser that supports JavaScript, DHTML, CSS and frames is required
+# (i.e. any modern browser). Windows users are probably better off using the
+# HTML help feature. Via custom style sheets (see HTML_EXTRA_STYLESHEET) one can
+# further fine tune the look of the index (see "Fine-tuning the output"). As an
+# example, the default style sheet generated by doxygen has an example that
+# shows how to put an image at the root of the tree instead of the PROJECT_NAME.
+# Since the tree basically has the same information as the tab index, you could
+# consider setting DISABLE_INDEX to YES when enabling this option.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+GENERATE_TREEVIEW      = NO
+
+# When both GENERATE_TREEVIEW and DISABLE_INDEX are set to YES, then the
+# FULL_SIDEBAR option determines if the side bar is limited to only the treeview
+# area (value NO) or if it should extend to the full height of the window (value
+# YES). Setting this to YES gives a layout similar to
+# https://docs.readthedocs.io with more room for contents, but less room for the
+# project logo, title, and description. If either GENERATOR_TREEVIEW or
+# DISABLE_INDEX is set to NO, this option has no effect.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+FULL_SIDEBAR           = NO
+
+# The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values that
+# doxygen will group on one line in the generated HTML documentation.
+#
+# Note that a value of 0 will completely suppress the enum values from appearing
+# in the overview section.
+# Minimum value: 0, maximum value: 20, default value: 4.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+ENUM_VALUES_PER_LINE   = 4
+
+# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be used
+# to set the initial width (in pixels) of the frame in which the tree is shown.
+# Minimum value: 0, maximum value: 1500, default value: 250.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+TREEVIEW_WIDTH         = 250
+
+# If the EXT_LINKS_IN_WINDOW option is set to YES, doxygen will open links to
+# external symbols imported via tag files in a separate window.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+EXT_LINKS_IN_WINDOW    = NO
+
+# If the HTML_FORMULA_FORMAT option is set to svg, doxygen will use the pdf2svg
+# tool (see https://github.com/dawbarton/pdf2svg) or inkscape (see
+# https://inkscape.org) to generate formulas as SVG images instead of PNGs for
+# the HTML output. These images will generally look nicer at scaled resolutions.
+# Possible values are: png (the default) and svg (looks nicer but requires the
+# pdf2svg or inkscape tool).
+# The default value is: png.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+HTML_FORMULA_FORMAT    = png
+
+# Use this tag to change the font size of LaTeX formulas included as images in
+# the HTML documentation. When you change the font size after a successful
+# doxygen run you need to manually remove any form_*.png images from the HTML
+# output directory to force them to be regenerated.
+# Minimum value: 8, maximum value: 50, default value: 10.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+FORMULA_FONTSIZE       = 10
+
+# Use the FORMULA_TRANSPARENT tag to determine whether or not the images
+# generated for formulas are transparent PNGs. Transparent PNGs are not
+# supported properly for IE 6.0, but are supported on all modern browsers.
+#
+# Note that when changing this option you need to delete any form_*.png files in
+# the HTML output directory before the changes have effect.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+FORMULA_TRANSPARENT    = YES
+
+# The FORMULA_MACROFILE can contain LaTeX \newcommand and \renewcommand commands
+# to create new LaTeX commands to be used in formulas as building blocks. See
+# the section "Including formulas" for details.
+
+FORMULA_MACROFILE      =
+
+# Enable the USE_MATHJAX option to render LaTeX formulas using MathJax (see
+# https://www.mathjax.org) which uses client side JavaScript for the rendering
+# instead of using pre-rendered bitmaps. Use this if you do not have LaTeX
+# installed or if you want to formulas look prettier in the HTML output. When
+# enabled you may also need to install MathJax separately and configure the path
+# to it using the MATHJAX_RELPATH option.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+USE_MATHJAX            = NO
+
+# With MATHJAX_VERSION it is possible to specify the MathJax version to be used.
+# Note that the different versions of MathJax have different requirements with
+# regards to the different settings, so it is possible that also other MathJax
+# settings have to be changed when switching between the different MathJax
+# versions.
+# Possible values are: MathJax_2 and MathJax_3.
+# The default value is: MathJax_2.
+# This tag requires that the tag USE_MATHJAX is set to YES.
+
+MATHJAX_VERSION        = MathJax_2
+
+# When MathJax is enabled you can set the default output format to be used for
+# the MathJax output. For more details about the output format see MathJax
+# version 2 (see:
+# http://docs.mathjax.org/en/v2.7-latest/output.html) and MathJax version 3
+# (see:
+# http://docs.mathjax.org/en/latest/web/components/output.html).
+# Possible values are: HTML-CSS (which is slower, but has the best
+# compatibility. This is the name for Mathjax version 2, for MathJax version 3
+# this will be translated into chtml), NativeMML (i.e. MathML. Only supported
+# for NathJax 2. For MathJax version 3 chtml will be used instead.), chtml (This
+# is the name for Mathjax version 3, for MathJax version 2 this will be
+# translated into HTML-CSS) and SVG.
+# The default value is: HTML-CSS.
+# This tag requires that the tag USE_MATHJAX is set to YES.
+
+MATHJAX_FORMAT         = HTML-CSS
+
+# When MathJax is enabled you need to specify the location relative to the HTML
+# output directory using the MATHJAX_RELPATH option. The destination directory
+# should contain the MathJax.js script. For instance, if the mathjax directory
+# is located at the same level as the HTML output directory, then
+# MATHJAX_RELPATH should be ../mathjax. The default value points to the MathJax
+# Content Delivery Network so you can quickly see the result without installing
+# MathJax. However, it is strongly recommended to install a local copy of
+# MathJax from https://www.mathjax.org before deployment. The default value is:
+# - in case of MathJax version 2: https://cdn.jsdelivr.net/npm/mathjax@2
+# - in case of MathJax version 3: https://cdn.jsdelivr.net/npm/mathjax@3
+# This tag requires that the tag USE_MATHJAX is set to YES.
+
+MATHJAX_RELPATH        =
+
+# The MATHJAX_EXTENSIONS tag can be used to specify one or more MathJax
+# extension names that should be enabled during MathJax rendering. For example
+# for MathJax version 2 (see
+# https://docs.mathjax.org/en/v2.7-latest/tex.html#tex-and-latex-extensions):
+# MATHJAX_EXTENSIONS = TeX/AMSmath TeX/AMSsymbols
+# For example for MathJax version 3 (see
+# http://docs.mathjax.org/en/latest/input/tex/extensions/index.html):
+# MATHJAX_EXTENSIONS = ams
+# This tag requires that the tag USE_MATHJAX is set to YES.
+
+MATHJAX_EXTENSIONS     =
+
+# The MATHJAX_CODEFILE tag can be used to specify a file with javascript pieces
+# of code that will be used on startup of the MathJax code. See the MathJax site
+# (see:
+# http://docs.mathjax.org/en/v2.7-latest/output.html) for more details. For an
+# example see the documentation.
+# This tag requires that the tag USE_MATHJAX is set to YES.
+
+MATHJAX_CODEFILE       =
+
+# When the SEARCHENGINE tag is enabled doxygen will generate a search box for
+# the HTML output. The underlying search engine uses javascript and DHTML and
+# should work on any modern browser. Note that when using HTML help
+# (GENERATE_HTMLHELP), Qt help (GENERATE_QHP), or docsets (GENERATE_DOCSET)
+# there is already a search function so this one should typically be disabled.
+# For large projects the javascript based search engine can be slow, then
+# enabling SERVER_BASED_SEARCH may provide a better solution. It is possible to
+# search using the keyboard; to jump to the search box use <access key> + S
+# (what the <access key> is depends on the OS and browser, but it is typically
+# <CTRL>, <ALT>/<option>, or both). Inside the search box use the <cursor down
+# key> to jump into the search results window, the results can be navigated
+# using the <cursor keys>. Press <Enter> to select an item or <escape> to cancel
+# the search. The filter options can be selected when the cursor is inside the
+# search box by pressing <Shift>+<cursor down>. Also here use the <cursor keys>
+# to select a filter and <Enter> or <escape> to activate or cancel the filter
+# option.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_HTML is set to YES.
+
+SEARCHENGINE           = NO
+
+# When the SERVER_BASED_SEARCH tag is enabled the search engine will be
+# implemented using a web server instead of a web client using JavaScript. There
+# are two flavors of web server based searching depending on the EXTERNAL_SEARCH
+# setting. When disabled, doxygen will generate a PHP script for searching and
+# an index file used by the script. When EXTERNAL_SEARCH is enabled the indexing
+# and searching needs to be provided by external tools. See the section
+# "External Indexing and Searching" for details.
+# The default value is: NO.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+SERVER_BASED_SEARCH    = NO
+
+# When EXTERNAL_SEARCH tag is enabled doxygen will no longer generate the PHP
+# script for searching. Instead the search results are written to an XML file
+# which needs to be processed by an external indexer. Doxygen will invoke an
+# external search engine pointed to by the SEARCHENGINE_URL option to obtain the
+# search results.
+#
+# Doxygen ships with an example indexer (doxyindexer) and search engine
+# (doxysearch.cgi) which are based on the open source search engine library
+# Xapian (see:
+# https://xapian.org/).
+#
+# See the section "External Indexing and Searching" for details.
+# The default value is: NO.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+EXTERNAL_SEARCH        = NO
+
+# The SEARCHENGINE_URL should point to a search engine hosted by a web server
+# which will return the search results when EXTERNAL_SEARCH is enabled.
+#
+# Doxygen ships with an example indexer (doxyindexer) and search engine
+# (doxysearch.cgi) which are based on the open source search engine library
+# Xapian (see:
+# https://xapian.org/). See the section "External Indexing and Searching" for
+# details.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+SEARCHENGINE_URL       =
+
+# When SERVER_BASED_SEARCH and EXTERNAL_SEARCH are both enabled the unindexed
+# search data is written to a file for indexing by an external tool. With the
+# SEARCHDATA_FILE tag the name of this file can be specified.
+# The default file is: searchdata.xml.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+SEARCHDATA_FILE        = searchdata.xml
+
+# When SERVER_BASED_SEARCH and EXTERNAL_SEARCH are both enabled the
+# EXTERNAL_SEARCH_ID tag can be used as an identifier for the project. This is
+# useful in combination with EXTRA_SEARCH_MAPPINGS to search through multiple
+# projects and redirect the results back to the right project.
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+EXTERNAL_SEARCH_ID     =
+
+# The EXTRA_SEARCH_MAPPINGS tag can be used to enable searching through doxygen
+# projects other than the one defined by this configuration file, but that are
+# all added to the same external search index. Each project needs to have a
+# unique id set via EXTERNAL_SEARCH_ID. The search mapping then maps the id of
+# to a relative location where the documentation can be found. The format is:
+# EXTRA_SEARCH_MAPPINGS = tagname1=loc1 tagname2=loc2 ...
+# This tag requires that the tag SEARCHENGINE is set to YES.
+
+EXTRA_SEARCH_MAPPINGS  =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the LaTeX output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_LATEX tag is set to YES, doxygen will generate LaTeX output.
+# The default value is: YES.
+
+GENERATE_LATEX         = NO
+
+# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. If a
+# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
+# it.
+# The default directory is: latex.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_OUTPUT           = latex
+
+# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be
+# invoked.
+#
+# Note that when not enabling USE_PDFLATEX the default is latex when enabling
+# USE_PDFLATEX the default is pdflatex and when in the later case latex is
+# chosen this is overwritten by pdflatex. For specific output languages the
+# default can have been set differently, this depends on the implementation of
+# the output language.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_CMD_NAME         = latex
+
+# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to generate
+# index for LaTeX.
+# Note: This tag is used in the Makefile / make.bat.
+# See also: LATEX_MAKEINDEX_CMD for the part in the generated output file
+# (.tex).
+# The default file is: makeindex.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+MAKEINDEX_CMD_NAME     = makeindex
+
+# The LATEX_MAKEINDEX_CMD tag can be used to specify the command name to
+# generate index for LaTeX. In case there is no backslash (\) as first character
+# it will be automatically added in the LaTeX code.
+# Note: This tag is used in the generated output file (.tex).
+# See also: MAKEINDEX_CMD_NAME for the part in the Makefile / make.bat.
+# The default value is: makeindex.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_MAKEINDEX_CMD    = makeindex
+
+# If the COMPACT_LATEX tag is set to YES, doxygen generates more compact LaTeX
+# documents. This may be useful for small projects and may help to save some
+# trees in general.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+COMPACT_LATEX          = NO
+
+# The PAPER_TYPE tag can be used to set the paper type that is used by the
+# printer.
+# Possible values are: a4 (210 x 297 mm), letter (8.5 x 11 inches), legal (8.5 x
+# 14 inches) and executive (7.25 x 10.5 inches).
+# The default value is: a4.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+PAPER_TYPE             = a4
+
+# The EXTRA_PACKAGES tag can be used to specify one or more LaTeX package names
+# that should be included in the LaTeX output. The package can be specified just
+# by its name or with the correct syntax as to be used with the LaTeX
+# \usepackage command. To get the times font for instance you can specify :
+# EXTRA_PACKAGES=times or EXTRA_PACKAGES={times}
+# To use the option intlimits with the amsmath package you can specify:
+# EXTRA_PACKAGES=[intlimits]{amsmath}
+# If left blank no extra packages will be included.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+EXTRA_PACKAGES         =
+
+# The LATEX_HEADER tag can be used to specify a user-defined LaTeX header for
+# the generated LaTeX document. The header should contain everything until the
+# first chapter. If it is left blank doxygen will generate a standard header. It
+# is highly recommended to start with a default header using
+# doxygen -w latex new_header.tex new_footer.tex new_stylesheet.sty
+# and then modify the file new_header.tex. See also section "Doxygen usage" for
+# information on how to generate the default header that doxygen normally uses.
+#
+# Note: Only use a user-defined header if you know what you are doing!
+# Note: The header is subject to change so you typically have to regenerate the
+# default header when upgrading to a newer version of doxygen. The following
+# commands have a special meaning inside the header (and footer): For a
+# description of the possible markers and block names see the documentation.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_HEADER           =
+
+# The LATEX_FOOTER tag can be used to specify a user-defined LaTeX footer for
+# the generated LaTeX document. The footer should contain everything after the
+# last chapter. If it is left blank doxygen will generate a standard footer. See
+# LATEX_HEADER for more information on how to generate a default footer and what
+# special commands can be used inside the footer. See also section "Doxygen
+# usage" for information on how to generate the default footer that doxygen
+# normally uses. Note: Only use a user-defined footer if you know what you are
+# doing!
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_FOOTER           =
+
+# The LATEX_EXTRA_STYLESHEET tag can be used to specify additional user-defined
+# LaTeX style sheets that are included after the standard style sheets created
+# by doxygen. Using this option one can overrule certain style aspects. Doxygen
+# will copy the style sheet files to the output directory.
+# Note: The order of the extra style sheet files is of importance (e.g. the last
+# style sheet in the list overrules the setting of the previous ones in the
+# list).
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_EXTRA_STYLESHEET =
+
+# The LATEX_EXTRA_FILES tag can be used to specify one or more extra images or
+# other source files which should be copied to the LATEX_OUTPUT output
+# directory. Note that the files will be copied as-is; there are no commands or
+# markers available.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_EXTRA_FILES      =
+
+# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated is
+# prepared for conversion to PDF (using ps2pdf or pdflatex). The PDF file will
+# contain links (just like the HTML output) instead of page references. This
+# makes the output suitable for online browsing using a PDF viewer.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+PDF_HYPERLINKS         = YES
+
+# If the USE_PDFLATEX tag is set to YES, doxygen will use the engine as
+# specified with LATEX_CMD_NAME to generate the PDF file directly from the LaTeX
+# files. Set this option to YES, to get a higher quality PDF documentation.
+#
+# See also section LATEX_CMD_NAME for selecting the engine.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+USE_PDFLATEX           = YES
+
+# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \batchmode
+# command to the generated LaTeX files. This will instruct LaTeX to keep running
+# if errors occur, instead of asking the user for help.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_BATCHMODE        = NO
+
+# If the LATEX_HIDE_INDICES tag is set to YES then doxygen will not include the
+# index chapters (such as File Index, Compound Index, etc.) in the output.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_HIDE_INDICES     = NO
+
+# The LATEX_BIB_STYLE tag can be used to specify the style to use for the
+# bibliography, e.g. plainnat, or ieeetr. See
+# https://en.wikipedia.org/wiki/BibTeX and \cite for more info.
+# The default value is: plain.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_BIB_STYLE        = plain
+
+# If the LATEX_TIMESTAMP tag is set to YES then the footer of each generated
+# page will contain the date and time when the page was generated. Setting this
+# to NO can help when comparing the output of multiple runs.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_TIMESTAMP        = NO
+
+# The LATEX_EMOJI_DIRECTORY tag is used to specify the (relative or absolute)
+# path from which the emoji images will be read. If a relative path is entered,
+# it will be relative to the LATEX_OUTPUT directory. If left blank the
+# LATEX_OUTPUT directory will be used.
+# This tag requires that the tag GENERATE_LATEX is set to YES.
+
+LATEX_EMOJI_DIRECTORY  =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the RTF output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_RTF tag is set to YES, doxygen will generate RTF output. The
+# RTF output is optimized for Word 97 and may not look too pretty with other RTF
+# readers/editors.
+# The default value is: NO.
+
+GENERATE_RTF           = NO
+
+# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. If a
+# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
+# it.
+# The default directory is: rtf.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+RTF_OUTPUT             = rtf
+
+# If the COMPACT_RTF tag is set to YES, doxygen generates more compact RTF
+# documents. This may be useful for small projects and may help to save some
+# trees in general.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+COMPACT_RTF            = NO
+
+# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated will
+# contain hyperlink fields. The RTF file will contain links (just like the HTML
+# output) instead of page references. This makes the output suitable for online
+# browsing using Word or some other Word compatible readers that support those
+# fields.
+#
+# Note: WordPad (write) and others do not support links.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+RTF_HYPERLINKS         = NO
+
+# Load stylesheet definitions from file. Syntax is similar to doxygen's
+# configuration file, i.e. a series of assignments. You only have to provide
+# replacements, missing definitions are set to their default value.
+#
+# See also section "Doxygen usage" for information on how to generate the
+# default style sheet that doxygen normally uses.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+RTF_STYLESHEET_FILE    =
+
+# Set optional variables used in the generation of an RTF document. Syntax is
+# similar to doxygen's configuration file. A template extensions file can be
+# generated using doxygen -e rtf extensionFile.
+# This tag requires that the tag GENERATE_RTF is set to YES.
+
+RTF_EXTENSIONS_FILE    =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the man page output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_MAN tag is set to YES, doxygen will generate man pages for
+# classes and files.
+# The default value is: NO.
+
+GENERATE_MAN           = NO
+
+# The MAN_OUTPUT tag is used to specify where the man pages will be put. If a
+# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
+# it. A directory man3 will be created inside the directory specified by
+# MAN_OUTPUT.
+# The default directory is: man.
+# This tag requires that the tag GENERATE_MAN is set to YES.
+
+MAN_OUTPUT             = man
+
+# The MAN_EXTENSION tag determines the extension that is added to the generated
+# man pages. In case the manual section does not start with a number, the number
+# 3 is prepended. The dot (.) at the beginning of the MAN_EXTENSION tag is
+# optional.
+# The default value is: .3.
+# This tag requires that the tag GENERATE_MAN is set to YES.
+
+MAN_EXTENSION          = .3
+
+# The MAN_SUBDIR tag determines the name of the directory created within
+# MAN_OUTPUT in which the man pages are placed. If defaults to man followed by
+# MAN_EXTENSION with the initial . removed.
+# This tag requires that the tag GENERATE_MAN is set to YES.
+
+MAN_SUBDIR             =
+
+# If the MAN_LINKS tag is set to YES and doxygen generates man output, then it
+# will generate one additional man file for each entity documented in the real
+# man page(s). These additional files only source the real man page, but without
+# them the man command would be unable to find the correct page.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_MAN is set to YES.
+
+MAN_LINKS              = NO
+
+#---------------------------------------------------------------------------
+# Configuration options related to the XML output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_XML tag is set to YES, doxygen will generate an XML file that
+# captures the structure of the code including all documentation.
+# The default value is: NO.
+
+GENERATE_XML           = NO
+
+# The XML_OUTPUT tag is used to specify where the XML pages will be put. If a
+# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of
+# it.
+# The default directory is: xml.
+# This tag requires that the tag GENERATE_XML is set to YES.
+
+XML_OUTPUT             = xml
+
+# If the XML_PROGRAMLISTING tag is set to YES, doxygen will dump the program
+# listings (including syntax highlighting and cross-referencing information) to
+# the XML output. Note that enabling this will significantly increase the size
+# of the XML output.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_XML is set to YES.
+
+XML_PROGRAMLISTING     = YES
+
+# If the XML_NS_MEMB_FILE_SCOPE tag is set to YES, doxygen will include
+# namespace members in file scope as well, matching the HTML output.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_XML is set to YES.
+
+XML_NS_MEMB_FILE_SCOPE = NO
+
+#---------------------------------------------------------------------------
+# Configuration options related to the DOCBOOK output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_DOCBOOK tag is set to YES, doxygen will generate Docbook files
+# that can be used to generate PDF.
+# The default value is: NO.
+
+GENERATE_DOCBOOK       = NO
+
+# The DOCBOOK_OUTPUT tag is used to specify where the Docbook pages will be put.
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be put in
+# front of it.
+# The default directory is: docbook.
+# This tag requires that the tag GENERATE_DOCBOOK is set to YES.
+
+DOCBOOK_OUTPUT         = docbook
+
+#---------------------------------------------------------------------------
+# Configuration options for the AutoGen Definitions output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_AUTOGEN_DEF tag is set to YES, doxygen will generate an
+# AutoGen Definitions (see http://autogen.sourceforge.net/) file that captures
+# the structure of the code including all documentation. Note that this feature
+# is still experimental and incomplete at the moment.
+# The default value is: NO.
+
+GENERATE_AUTOGEN_DEF   = NO
+
+#---------------------------------------------------------------------------
+# Configuration options related to the Perl module output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_PERLMOD tag is set to YES, doxygen will generate a Perl module
+# file that captures the structure of the code including all documentation.
+#
+# Note that this feature is still experimental and incomplete at the moment.
+# The default value is: NO.
+
+GENERATE_PERLMOD       = NO
+
+# If the PERLMOD_LATEX tag is set to YES, doxygen will generate the necessary
+# Makefile rules, Perl scripts and LaTeX code to be able to generate PDF and DVI
+# output from the Perl module output.
+# The default value is: NO.
+# This tag requires that the tag GENERATE_PERLMOD is set to YES.
+
+PERLMOD_LATEX          = NO
+
+# If the PERLMOD_PRETTY tag is set to YES, the Perl module output will be nicely
+# formatted so it can be parsed by a human reader. This is useful if you want to
+# understand what is going on. On the other hand, if this tag is set to NO, the
+# size of the Perl module output will be much smaller and Perl will parse it
+# just the same.
+# The default value is: YES.
+# This tag requires that the tag GENERATE_PERLMOD is set to YES.
+
+PERLMOD_PRETTY         = YES
+
+# The names of the make variables in the generated doxyrules.make file are
+# prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX. This is useful
+# so different doxyrules.make files included by the same Makefile don't
+# overwrite each other's variables.
+# This tag requires that the tag GENERATE_PERLMOD is set to YES.
+
+PERLMOD_MAKEVAR_PREFIX =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the preprocessor
+#---------------------------------------------------------------------------
+
+# If the ENABLE_PREPROCESSING tag is set to YES, doxygen will evaluate all
+# C-preprocessor directives found in the sources and include files.
+# The default value is: YES.
+
+ENABLE_PREPROCESSING   = YES
+
+# If the MACRO_EXPANSION tag is set to YES, doxygen will expand all macro names
+# in the source code. If set to NO, only conditional compilation will be
+# performed. Macro expansion can be done in a controlled way by setting
+# EXPAND_ONLY_PREDEF to YES.
+# The default value is: NO.
+# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
+
+MACRO_EXPANSION        = YES
+
+# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES then
+# the macro expansion is limited to the macros specified with the PREDEFINED and
+# EXPAND_AS_DEFINED tags.
+# The default value is: NO.
+# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
+
+EXPAND_ONLY_PREDEF     = YES
+
+# If the SEARCH_INCLUDES tag is set to YES, the include files in the
+# INCLUDE_PATH will be searched if a #include is found.
+# The default value is: YES.
+# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
+
+SEARCH_INCLUDES        = YES
+
+# The INCLUDE_PATH tag can be used to specify one or more directories that
+# contain include files that are not input files but should be processed by the
+# preprocessor.
+# This tag requires that the tag SEARCH_INCLUDES is set to YES.
+
+INCLUDE_PATH           =
+INCLUDE_PATH          += <%=srcdir%>
+INCLUDE_PATH          += <%=srcdir%>/include
+
+# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard
+# patterns (like *.h and *.hpp) to filter out the header-files in the
+# directories. If left blank, the patterns specified with FILE_PATTERNS will be
+# used.
+# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
+
+INCLUDE_FILE_PATTERNS  =
+
+# The PREDEFINED tag can be used to specify one or more macro names that are
+# defined before the preprocessor is started (similar to the -D option of e.g.
+# gcc). The argument of the tag is a list of macros of the form: name or
+# name=definition (no spaces). If the definition and the "=" are omitted, "=1"
+# is assumed. To prevent a macro definition from being undefined via #undef or
+# recursively expanded use the := operator instead of the = operator.
+# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
+
+PREDEFINED             =
+PREDEFINED            += ALWAYS_INLINE(_)=_
+PREDEFINED            += COLDFUNC=
+PREDEFINED            += CONSTFUNC(_)=_
+PREDEFINED            += DEPRECATED(_)=_
+PREDEFINED            += DEPRECATED_BY(__,_)=_
+PREDEFINED            += ENUM_OVER_INT=1
+PREDEFINED            += ERRORFUNC(__,_)=_
+PREDEFINED            += MJIT_FUNC_EXPORTED=
+PREDEFINED            += MJIT_STATIC=extern
+PREDEFINED            += MJIT_SYMBOL_EXPORT_BEGIN=
+PREDEFINED            += MJIT_SYMBOL_EXPORT_END=
+PREDEFINED            += NOINLINE(_)=_
+PREDEFINED            += NORETURN(_)=_
+PREDEFINED            += PACKED_STRUCT_UNALIGNED(_)=_
+PREDEFINED            += PRINTF_ARGS(_,__,___)=_
+PREDEFINED            += PUREFUNC(_)=_
+PREDEFINED            += RB_UNUSED_VAR(_)=_
+PREDEFINED            += RUBY_EXTERN=extern
+PREDEFINED            += RUBY_FUNC_EXPORTED=
+PREDEFINED            += RUBY_FUNC_NONNULL(__,_)=_
+PREDEFINED            += RUBY_SYMBOL_EXPORT_BEGIN=
+PREDEFINED            += RUBY_SYMBOL_EXPORT_END=
+PREDEFINED            += WARNINGFUNC(__,_)=_
+PREDEFINED            += _MSC_VER=1924
+PREDEFINED            += __DOXYGEN__
+PREDEFINED            += __GNUC_MINOR__=0
+PREDEFINED            += __GNUC_PATCHLEVEL__=0
+PREDEFINED            += __GNUC__=10
+PREDEFINED            += __STDC_VERSION__=201710L
+PREDEFINED            += __clang__=10
+PREDEFINED            += __clang_major__=10
+PREDEFINED            += __clang_minor__=0
+PREDEFINED            += __clang_patchlevel__=0
+PREDEFINED            += __cplusplus=201704L
+PREDEFINED            += __has_attribute(_)=1
+PREDEFINED            += __has_builtin(_)=1
+PREDEFINED            += __has_c_attribute(_)=1
+PREDEFINED            += __has_cpp_attribute(_)=1
+PREDEFINED            += __has_declspec_attribute(_)=1
+PREDEFINED            += __has_extension(_)=1
+PREDEFINED            += __has_feature(_)=1
+PREDEFINED            += __has_warning(_)=1
+
+# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then this
+# tag can be used to specify a list of macro names that should be expanded. The
+# macro definition that is found in the sources will be used. Use the PREDEFINED
+# tag if you want to use a different macro definition that overrules the
+# definition found in the source code.
+# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
+
+EXPAND_AS_DEFINED      =
+EXPAND_AS_DEFINED     += RBIMPL_FL_USER_N
+
+# If the SKIP_FUNCTION_MACROS tag is set to YES then doxygen's preprocessor will
+# remove all references to function-like macros that are alone on a line, have
+# an all uppercase name, and do not end with a semicolon. Such function macros
+# are typically used for boiler-plate code, and will confuse the parser if not
+# removed.
+# The default value is: YES.
+# This tag requires that the tag ENABLE_PREPROCESSING is set to YES.
+
+SKIP_FUNCTION_MACROS   = YES
+
+#---------------------------------------------------------------------------
+# Configuration options related to external references
+#---------------------------------------------------------------------------
+
+# The TAGFILES tag can be used to specify one or more tag files. For each tag
+# file the location of the external documentation should be added. The format of
+# a tag file without this location is as follows:
+# TAGFILES = file1 file2 ...
+# Adding location for the tag files is done as follows:
+# TAGFILES = file1=loc1 "file2 = loc2" ...
+# where loc1 and loc2 can be relative or absolute paths or URLs. See the
+# section "Linking to external documentation" for more information about the use
+# of tag files.
+# Note: Each tag file must have a unique name (where the name does NOT include
+# the path). If a tag file is not located in the directory in which doxygen is
+# run, you must also specify the path to the tagfile here.
+
+TAGFILES               =
+
+# When a file name is specified after GENERATE_TAGFILE, doxygen will create a
+# tag file that is based on the input files it reads. See section "Linking to
+# external documentation" for more information about the usage of tag files.
+
+GENERATE_TAGFILE       =
+
+# If the ALLEXTERNALS tag is set to YES, all external class will be listed in
+# the class index. If set to NO, only the inherited external classes will be
+# listed.
+# The default value is: NO.
+
+ALLEXTERNALS           = NO
+
+# If the EXTERNAL_GROUPS tag is set to YES, all external groups will be listed
+# in the modules index. If set to NO, only the current project's groups will be
+# listed.
+# The default value is: YES.
+
+EXTERNAL_GROUPS        = YES
+
+# If the EXTERNAL_PAGES tag is set to YES, all external pages will be listed in
+# the related pages index. If set to NO, only the current project's pages will
+# be listed.
+# The default value is: YES.
+
+EXTERNAL_PAGES         = YES
+
+#---------------------------------------------------------------------------
+# Configuration options related to the dot tool
+#---------------------------------------------------------------------------
+
+# You can include diagrams made with dia in doxygen documentation. Doxygen will
+# then run dia to produce the diagram and insert it in the documentation. The
+# DIA_PATH tag allows you to specify the directory where the dia binary resides.
+# If left empty dia is assumed to be found in the default search path.
+
+DIA_PATH               =
+
+# If set to YES the inheritance and collaboration graphs will hide inheritance
+# and usage relations if the target is undocumented or is not a class.
+# The default value is: YES.
+
+HIDE_UNDOC_RELATIONS   = YES
+
+# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is
+# available from the path. This tool is part of Graphviz (see:
+# http://www.graphviz.org/), a graph visualization toolkit from AT&T and Lucent
+# Bell Labs. The other options in this section have no effect if this option is
+# set to NO
+# The default value is: NO.
+
+HAVE_DOT               = <%= have_dot %>
+
+# The DOT_NUM_THREADS specifies the number of dot invocations doxygen is allowed
+# to run in parallel. When set to 0 doxygen will base this on the number of
+# processors available in the system. You can set it explicitly to a value
+# larger than 0 to get control over the balance between CPU load and processing
+# speed.
+# Minimum value: 0, maximum value: 32, default value: 0.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_NUM_THREADS        = 0
+
+# When you want a differently looking font in the dot files that doxygen
+# generates you can specify the font name using DOT_FONTNAME. You need to make
+# sure dot is able to find the font, which can be done by putting it in a
+# standard location or by setting the DOTFONTPATH environment variable or by
+# setting DOT_FONTPATH to the directory containing the font.
+# The default value is: Helvetica.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_FONTNAME           = FreeSans
+
+# The DOT_FONTSIZE tag can be used to set the size (in points) of the font of
+# dot graphs.
+# Minimum value: 4, maximum value: 24, default value: 10.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_FONTSIZE           = 10
+
+# By default doxygen will tell dot to use the default font as specified with
+# DOT_FONTNAME. If you specify a different font using DOT_FONTNAME you can set
+# the path where dot can find it using this tag.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_FONTPATH           =
+
+# If the CLASS_GRAPH tag is set to YES (or GRAPH) then doxygen will generate a
+# graph for each documented class showing the direct and indirect inheritance
+# relations. In case HAVE_DOT is set as well dot will be used to draw the graph,
+# otherwise the built-in generator will be used. If the CLASS_GRAPH tag is set
+# to TEXT the direct and indirect inheritance relations will be shown as texts /
+# links.
+# Possible values are: NO, YES, TEXT and GRAPH.
+# The default value is: YES.
+
+CLASS_GRAPH            = NO
+
+# If the COLLABORATION_GRAPH tag is set to YES then doxygen will generate a
+# graph for each documented class showing the direct and indirect implementation
+# dependencies (inheritance, containment, and class references variables) of the
+# class with other documented classes.
+# The default value is: YES.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+COLLABORATION_GRAPH    = NO
+
+# If the GROUP_GRAPHS tag is set to YES then doxygen will generate a graph for
+# groups, showing the direct groups dependencies.
+# The default value is: YES.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+GROUP_GRAPHS           = YES
+
+# If the UML_LOOK tag is set to YES, doxygen will generate inheritance and
+# collaboration diagrams in a style similar to the OMG's Unified Modeling
+# Language.
+# The default value is: NO.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+UML_LOOK               = NO
+
+# If the UML_LOOK tag is enabled, the fields and methods are shown inside the
+# class node. If there are many fields or methods and many nodes the graph may
+# become too big to be useful. The UML_LIMIT_NUM_FIELDS threshold limits the
+# number of items for each type to make the size more manageable. Set this to 0
+# for no limit. Note that the threshold may be exceeded by 50% before the limit
+# is enforced. So when you set the threshold to 10, up to 15 fields may appear,
+# but if the number exceeds 15, the total amount of fields shown is limited to
+# 10.
+# Minimum value: 0, maximum value: 100, default value: 10.
+# This tag requires that the tag UML_LOOK is set to YES.
+
+UML_LIMIT_NUM_FIELDS   = 10
+
+# If the DOT_UML_DETAILS tag is set to NO, doxygen will show attributes and
+# methods without types and arguments in the UML graphs. If the DOT_UML_DETAILS
+# tag is set to YES, doxygen will add type and arguments for attributes and
+# methods in the UML graphs. If the DOT_UML_DETAILS tag is set to NONE, doxygen
+# will not generate fields with class member information in the UML graphs. The
+# class diagrams will look similar to the default class diagrams but using UML
+# notation for the relationships.
+# Possible values are: NO, YES and NONE.
+# The default value is: NO.
+# This tag requires that the tag UML_LOOK is set to YES.
+
+DOT_UML_DETAILS        = NO
+
+# The DOT_WRAP_THRESHOLD tag can be used to set the maximum number of characters
+# to display on a single line. If the actual line length exceeds this threshold
+# significantly it will wrapped across multiple lines. Some heuristics are apply
+# to avoid ugly line breaks.
+# Minimum value: 0, maximum value: 1000, default value: 17.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_WRAP_THRESHOLD     = 17
+
+# If the TEMPLATE_RELATIONS tag is set to YES then the inheritance and
+# collaboration graphs will show the relations between templates and their
+# instances.
+# The default value is: NO.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+TEMPLATE_RELATIONS     = NO
+
+# If the INCLUDE_GRAPH, ENABLE_PREPROCESSING and SEARCH_INCLUDES tags are set to
+# YES then doxygen will generate a graph for each documented file showing the
+# direct and indirect include dependencies of the file with other documented
+# files.
+# The default value is: YES.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+INCLUDE_GRAPH          = YES
+
+# If the INCLUDED_BY_GRAPH, ENABLE_PREPROCESSING and SEARCH_INCLUDES tags are
+# set to YES then doxygen will generate a graph for each documented file showing
+# the direct and indirect include dependencies of the file with other documented
+# files.
+# The default value is: YES.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+INCLUDED_BY_GRAPH      = YES
+
+# If the CALL_GRAPH tag is set to YES then doxygen will generate a call
+# dependency graph for every global function or class method.
+#
+# Note that enabling this option will significantly increase the time of a run.
+# So in most cases it will be better to enable call graphs for selected
+# functions only using the \callgraph command. Disabling a call graph can be
+# accomplished by means of the command \hidecallgraph.
+# The default value is: NO.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+CALL_GRAPH             = NO
+
+# If the CALLER_GRAPH tag is set to YES then doxygen will generate a caller
+# dependency graph for every global function or class method.
+#
+# Note that enabling this option will significantly increase the time of a run.
+# So in most cases it will be better to enable caller graphs for selected
+# functions only using the \callergraph command. Disabling a caller graph can be
+# accomplished by means of the command \hidecallergraph.
+# The default value is: NO.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+CALLER_GRAPH           = NO
+
+# If the GRAPHICAL_HIERARCHY tag is set to YES then doxygen will graphical
+# hierarchy of all classes instead of a textual one.
+# The default value is: YES.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+GRAPHICAL_HIERARCHY    = NO
+
+# If the DIRECTORY_GRAPH tag is set to YES then doxygen will show the
+# dependencies a directory has on other directories in a graphical way. The
+# dependency relations are determined by the #include relations between the
+# files in the directories.
+# The default value is: YES.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DIRECTORY_GRAPH        = NO
+
+# The DIR_GRAPH_MAX_DEPTH tag can be used to limit the maximum number of levels
+# of child directories generated in directory dependency graphs by dot.
+# Minimum value: 1, maximum value: 25, default value: 1.
+# This tag requires that the tag DIRECTORY_GRAPH is set to YES.
+
+DIR_GRAPH_MAX_DEPTH    = 1
+
+# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images
+# generated by dot. For an explanation of the image formats see the section
+# output formats in the documentation of the dot tool (Graphviz (see:
+# http://www.graphviz.org/)).
+# Note: If you choose svg you need to set HTML_FILE_EXTENSION to xhtml in order
+# to make the SVG files visible in IE 9+ (other browsers do not have this
+# requirement).
+# Possible values are: png, jpg, gif, svg, png:gd, png:gd:gd, png:cairo,
+# png:cairo:gd, png:cairo:cairo, png:cairo:gdiplus, png:gdiplus and
+# png:gdiplus:gdiplus.
+# The default value is: png.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_IMAGE_FORMAT       = png
+
+# If DOT_IMAGE_FORMAT is set to svg, then this option can be set to YES to
+# enable generation of interactive SVG images that allow zooming and panning.
+#
+# Note that this requires a modern browser other than Internet Explorer. Tested
+# and working are Firefox, Chrome, Safari, and Opera.
+# Note: For IE 9+ you need to set HTML_FILE_EXTENSION to xhtml in order to make
+# the SVG files visible. Older versions of IE do not have SVG support.
+# The default value is: NO.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+INTERACTIVE_SVG        = NO
+
+# The DOT_PATH tag can be used to specify the path where the dot tool can be
+# found. If left blank, it is assumed the dot tool can be found in the path.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_PATH               =
+
+# The DOTFILE_DIRS tag can be used to specify one or more directories that
+# contain dot files that are included in the documentation (see the \dotfile
+# command).
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOTFILE_DIRS           =
+
+# The MSCFILE_DIRS tag can be used to specify one or more directories that
+# contain msc files that are included in the documentation (see the \mscfile
+# command).
+
+MSCFILE_DIRS           =
+
+# The DIAFILE_DIRS tag can be used to specify one or more directories that
+# contain dia files that are included in the documentation (see the \diafile
+# command).
+
+DIAFILE_DIRS           =
+
+# When using plantuml, the PLANTUML_JAR_PATH tag should be used to specify the
+# path where java can find the plantuml.jar file. If left blank, it is assumed
+# PlantUML is not used or called during a preprocessing step. Doxygen will
+# generate a warning when it encounters a \startuml command in this case and
+# will not generate output for the diagram.
+
+PLANTUML_JAR_PATH      =
+
+# When using plantuml, the PLANTUML_CFG_FILE tag can be used to specify a
+# configuration file for plantuml.
+
+PLANTUML_CFG_FILE      =
+
+# When using plantuml, the specified paths are searched for files specified by
+# the !include statement in a plantuml block.
+
+PLANTUML_INCLUDE_PATH  =
+
+# The DOT_GRAPH_MAX_NODES tag can be used to set the maximum number of nodes
+# that will be shown in the graph. If the number of nodes in a graph becomes
+# larger than this value, doxygen will truncate the graph, which is visualized
+# by representing a node as a red box. Note that doxygen if the number of direct
+# children of the root node in a graph is already larger than
+# DOT_GRAPH_MAX_NODES then the graph will not be shown at all. Also note that
+# the size of a graph can be further restricted by MAX_DOT_GRAPH_DEPTH.
+# Minimum value: 0, maximum value: 10000, default value: 50.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_GRAPH_MAX_NODES    = 128
+
+# The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the graphs
+# generated by dot. A depth value of 3 means that only nodes reachable from the
+# root by following a path via at most 3 edges will be shown. Nodes that lay
+# further from the root node will be omitted. Note that setting this option to 1
+# or 2 may greatly reduce the computation time needed for large code bases. Also
+# note that the size of a graph can be further restricted by
+# DOT_GRAPH_MAX_NODES. Using a depth of 0 means no depth restriction.
+# Minimum value: 0, maximum value: 1000, default value: 0.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+MAX_DOT_GRAPH_DEPTH    = 0
+
+# Set the DOT_TRANSPARENT tag to YES to generate images with a transparent
+# background. This is disabled by default, because dot on Windows does not seem
+# to support this out of the box.
+#
+# Warning: Depending on the platform used, enabling this option may lead to
+# badly anti-aliased labels on the edges of a graph (i.e. they become hard to
+# read).
+# The default value is: NO.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_TRANSPARENT        = NO
+
+# Set the DOT_MULTI_TARGETS tag to YES to allow dot to generate multiple output
+# files in one run (i.e. multiple -o and -T options on the command line). This
+# makes dot run faster, but since only newer versions of dot (>1.8.10) support
+# this, this feature is disabled by default.
+# The default value is: NO.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+DOT_MULTI_TARGETS      = NO
+
+# If the GENERATE_LEGEND tag is set to YES doxygen will generate a legend page
+# explaining the meaning of the various boxes and arrows in the dot generated
+# graphs.
+# The default value is: YES.
+# This tag requires that the tag HAVE_DOT is set to YES.
+
+GENERATE_LEGEND        = YES
+
+# If the DOT_CLEANUP tag is set to YES, doxygen will remove the intermediate
+# files that are used to generate the various graphs.
+#
+# Note: This setting is not only used for dot files but also for msc temporary
+# files.
+# The default value is: YES.
+
+DOT_CLEANUP            = YES
diff --git a/template/GNUmakefile.in b/template/GNUmakefile.in
new file mode 100644
index 0000000000..4fe4aab979
--- /dev/null
+++ b/template/GNUmakefile.in
@@ -0,0 +1,19 @@
+gnumake = yes
+
+ifeq ($(filter Makefile,$(MAKEFILE_LIST)),)
+include Makefile
+
+GNUmakefile: $(srcdir)/template/GNUmakefile.in
+endif
+
+override silence := $(if $(findstring s,$(firstword $(MFLAGS))),yes,no)
+
+ifeq ($(HAVE_BASERUBY),yes)
+override REVISION_FORCE := PHONY
+endif
+
+include $(srcdir)/defs/universal.mk
+-include uncommon.mk
+include $(srcdir)/defs/gmake.mk
+
+GNUmakefile: $(srcdir)/template/GNUmakefile.in
diff --git a/template/Makefile.in b/template/Makefile.in
new file mode 100644
index 0000000000..0bb30e1474
--- /dev/null
+++ b/template/Makefile.in
@@ -0,0 +1,704 @@
+# -*- mode: makefile-gmake; indent-tabs-mode: t -*-
+
+SHELL = /bin/sh
+NULLCMD = @NULLCMD@
+silence = no # yes/no
+yes_silence = $(silence:no=)
+no_silence = $(silence:yes=)
+n=$(NULLCMD)
+ECHO1 = $(V:1=$n)
+RUNCMD = $(SHELL)
+CDPATH = .
+CHDIR = @CHDIR@
+exec = exec
+NULL = /dev/null
+PATH_SEPARATOR = @PATH_SEPARATOR@
+
+#### Start of system configuration section. ####
+
+srcdir = @srcdir@
+top_srcdir = $(srcdir)
+hdrdir = $(srcdir)/include
+tooldir = $(srcdir)/tool
+
+PLATFORM_DIR = @PLATFORM_DIR@
+
+CC_WRAPPER = @XCC_WRAPPER@
+CC = @CC@
+CPP = @CPP@
+LD = @LD@
+YACC = bison
+PURIFY =
+AUTOCONF = autoconf
+CONFIGURE = @CONFIGURE@
+@SET_MAKE@
+MKFILES = @MAKEFILES@
+BASERUBY = @BASERUBY@
+HAVE_BASERUBY = @HAVE_BASERUBY@
+TEST_RUNNABLE = @TEST_RUNNABLE@
+CROSS_COMPILING = @CROSS_COMPILING@
+DOXYGEN = @DOXYGEN@
+
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+bindir = @bindir@
+sbindir = @sbindir@
+libdir = @libdir@
+libexecdir = @libexecdir@
+datarootdir = @datarootdir@
+datadir = @datadir@
+target_os = @target_os@
+arch = @arch@
+sitearch = @sitearch@
+sitedir = @sitedir@
+archlibdir = @archlibdir@
+includedir = @includedir@
+archincludedir = @archincludedir@
+rubylibprefix = @rubylibprefix@
+rubylibdir = @rubylibdir@
+rubyarchprefix = @rubyarchprefix@
+rubyarchdir = @rubyarchdir@
+rubyhdrdir = @rubyhdrdir@
+rubyarchhdrdir = @rubyarchhdrdir@
+ruby_version = @ruby_version@
+RUBY_VERSION_NAME = @RUBY_VERSION_NAME@
+UNIVERSAL_ARCHNAMES = @UNIVERSAL_ARCHNAMES@
+
+TESTUI = console
+TESTS =
+INSTALLDOC = @INSTALLDOC@
+DOCTARGETS = @RDOCTARGET@ @CAPITARGET@
+
+EXTOUT = @EXTOUT@
+TIMESTAMPDIR  = $(EXTOUT)/.timestamp
+arch_hdrdir = $(EXTOUT)/include/$(arch)
+VPATH = $(arch_hdrdir)/ruby:$(hdrdir)/ruby:$(srcdir):$(srcdir)/missing
+
+empty =
+CC_VERSION = @CC_VERSION@
+OUTFLAG = @OUTFLAG@$(empty)
+COUTFLAG = @COUTFLAG@$(empty)
+CPPOUTFLAG = >
+ARCH_FLAG = @ARCH_FLAG@
+CFLAGS_NO_ARCH = @CFLAGS@
+CFLAGS = $(CFLAGS_NO_ARCH) $(ARCH_FLAG)
+cflags = @cflags@
+optflags = @optflags@
+debugflags = @debugflags@
+warnflags = @warnflags@ @strict_warnflags@
+cppflags = @cppflags@
+incflags = @incflags@
+XCFLAGS = @XCFLAGS@ $(INCFLAGS)
+USE_RUBYGEMS = @USE_RUBYGEMS@
+USE_RUBYGEMS_ = $(USE_RUBYGEMS:yes=)
+CPPFLAGS = @CPPFLAGS@ $(USE_RUBYGEMS_:no=-DDISABLE_RUBYGEMS=1)
+MJIT_SUPPORT = @MJIT_SUPPORT@
+MJIT_HEADER_FLAGS = @MJIT_HEADER_FLAGS@
+MJIT_HEADER_SUFFIX =
+MJIT_HEADER_ARCH =
+MJIT_HEADER_INSTALL_DIR = @MJIT_HEADER_INSTALL_DIR@
+MJIT_CC = @MJIT_CC@
+MJIT_CFLAGS = @MJIT_CFLAGS@
+MJIT_OPTFLAGS = @MJIT_OPTFLAGS@
+MJIT_DEBUGFLAGS = @MJIT_DEBUGFLAGS@
+MJIT_LDSHARED = @MJIT_LDSHARED@
+MJIT_DLDFLAGS = $(XDLDFLAGS)
+MJIT_HEADER   = rb_mjit_header.h
+MJIT_MIN_HEADER_NAME = rb_mjit_min_header-$(RUBY_PROGRAM_VERSION).h
+MJIT_MIN_HEADER = $(MJIT_HEADER_BUILD_DIR)/$(MJIT_MIN_HEADER_NAME)
+MJIT_HEADER_BUILD_DIR = $(EXTOUT)/include/$(arch)
+MJIT_TABS=@MJIT_TABS@
+LDFLAGS = @STATIC@ $(CFLAGS) @LDFLAGS@
+EXE_LDFLAGS = $(LDFLAGS)
+EXTLDFLAGS = @EXTLDFLAGS@
+XLDFLAGS = @XLDFLAGS@ $(EXTLDFLAGS)
+EXTLIBS =
+LIBS = @LIBS@ $(EXTLIBS)
+MISSING = @LIBOBJS@ @ALLOCA@
+ENABLE_SHARED = @ENABLE_SHARED@
+LDSHARED = @LIBRUBY_LDSHARED@
+DLDSHARED = @DLDSHARED@
+XDLDFLAGS = @DLDFLAGS@
+DLDFLAGS = @LIBRUBY_DLDFLAGS@ $(XLDFLAGS) $(ARCH_FLAG)
+SOLIBS = @SOLIBS@
+ENABLE_DEBUG_ENV = @ENABLE_DEBUG_ENV@
+MAINLIBS = @MAINLIBS@
+ARCHMINIOBJS = @MINIOBJS@
+DLNOBJ = @DLNOBJ@
+ENCOBJS = @ENCOBJS@
+EXTOBJS = @EXTOBJS@
+BUILTIN_ENCOBJS = @BUILTIN_ENCOBJS@
+BUILTIN_TRANSSRCS = @BUILTIN_TRANSSRCS@
+BUILTIN_TRANSOBJS = @BUILTIN_TRANSOBJS@
+POSTLINK = @POSTLINK@
+
+RUBY_BASE_NAME=@RUBY_BASE_NAME@
+RUBY_API_VERSION=@RUBY_API_VERSION@
+RUBY_INSTALL_NAME=@RUBY_INSTALL_NAME@
+RUBY_SO_NAME=@RUBY_SO_NAME@
+EXEEXT = @EXEEXT@
+LIBEXT = @LIBEXT@
+PROGRAM=$(RUBY_INSTALL_NAME)$(EXEEXT)
+RUBY = $(RUBY_INSTALL_NAME)
+MINIRUBY = @MINIRUBY@\
+	$(MINIRUBYOPT)
+# RUNRUBY_COMMAND:: runruby.rb or baseruby. do not append options directly
+RUNRUBY_COMMAND = @RUNRUBY_COMMAND@
+# RUNRUBY:: run ruby with RUN_OPTS which is passed to ruby
+RUNRUBY = @RUNRUBY@ $(RUN_OPTS)
+# RUNRUBY_DEBUGGER:: debugging option for runruby.rb
+RUNRUBY_DEBUGGER = --debugger='gdb -x run.gdb --quiet --args'
+XRUBY = @XRUBY@
+BTESTRUBY = @BTESTRUBY@ -r./$(arch)-fake
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+XRUBY_LIBDIR = @XRUBY_LIBDIR@
+XRUBY_RUBYLIBDIR = @XRUBY_RUBYLIBDIR@
+XRUBY_RUBYHDRDIR = @XRUBY_RUBYHDRDIR@
+
+yes_baseruby = $(HAVE_BASERUBY:no=)
+no_baseruby = $(HAVE_BASERUBY:yes=)
+BOOTSTRAPRUBY = $(yes_baseruby:yes=$(BASERUBY)) $(no_baseruby:no=$(MINIRUBY))
+BOOTSTRAPRUBY_OPT = $(yes_baseruby:yes=-r./$(arch)-fake)
+BOOTSTRAPRUBY_FAKE = $(yes_baseruby:yes=$(arch)-fake.rb)
+
+COROUTINE_H = @X_COROUTINE_H@
+COROUTINE_OBJ = $(COROUTINE_H:.h=.@OBJEXT@)
+COROUTINE_SRC = @X_COROUTINE_SRC@
+
+#### End of system configuration section. ####
+
+MAJOR=	@MAJOR@
+MINOR=	@MINOR@
+TEENY=	@TEENY@
+
+# here for MJIT_MIN_HEADER_NAME, not in common.mk
+RUBY_PROGRAM_VERSION = $(MAJOR).$(MINOR).$(TEENY)
+
+LIBRUBY_A     = @LIBRUBY_A@
+LIBRUBY_SO    = @LIBRUBY_SO@
+LIBRUBY_SONAME= @LIBRUBY_SONAME@
+LIBRUBY_ALIASES= @LIBRUBY_ALIASES@
+LIBRUBY	      = @LIBRUBY@
+LIBRUBYARG    = @LIBRUBYARG@
+LIBRUBYARG_STATIC = @LIBRUBYARG_STATIC@
+LIBRUBYARG_SHARED = @LIBRUBYARG_SHARED@
+LIBRUBY_RELATIVE = @LIBRUBY_RELATIVE@
+LIBRUBY_A_OBJS = @LIBRUBY_A_OBJS@
+
+DTRACE_REBUILD_OBJS = $(DTRACE_REBUILD:yes=$(DTRACE_DEPENDENT_OBJS))
+
+DTRACE_DEPENDENT_OBJS = array.$(OBJEXT) \
+			eval.$(OBJEXT) \
+			gc.$(OBJEXT) \
+			hash.$(OBJEXT) \
+			load.$(OBJEXT) \
+			object.$(OBJEXT) \
+			parse.$(OBJEXT) \
+			string.$(OBJEXT) \
+			symbol.$(OBJEXT) \
+			vm.$(OBJEXT)
+
+THREAD_MODEL  = @THREAD_MODEL@
+
+PREP          = @PREP@
+ARCHFILE      = @ARCHFILE@
+SETUP         =
+EXTSTATIC     = @EXTSTATIC@
+ENCSTATIC     = @ENCSTATIC@
+SET_LC_MESSAGES = env LC_MESSAGES=C
+
+MAKEDIRS      = @MKDIR_P@
+CP            = cp
+MV            = mv
+RM            = rm -f
+RM1           = $(RM)
+RMDIR         = @RMDIR@
+RMDIRS        = @RMDIRS@
+RMALL         = @RMALL@
+LN_S          = @LN_S@
+NM            = @NM@
+AR            = @AR@
+ARFLAGS       = @ARFLAGS@$(empty)
+RANLIB        = @RANLIB@
+AS            = @AS@
+ASFLAGS       = @ASFLAGS@ $(ARCH_FLAG) $(INCFLAGS)
+IFCHANGE      = $(SHELL) $(tooldir)/ifchange
+OBJDUMP       = @OBJDUMP@
+OBJCOPY       = @OBJCOPY@
+HAVE_GIT      = @HAVE_GIT@
+GIT           = @GIT@
+VCS           = @VCS@
+VCSUP         = @VCSUP@
+DTRACE        = @DTRACE@ @DTRACE_OPT@
+DTRACE_EXT    = @DTRACE_EXT@
+DTRACE_OBJ    = @DTRACE_OBJ@
+DTRACE_REBUILD= @DTRACE_REBUILD@
+DTRACE_GLOMMED_OBJ = $(DTRACE_REBUILD:yes=ruby-glommed.$(OBJEXT))
+
+OBJEXT        = @OBJEXT@
+ASMEXT        = @ASMEXT@
+SOEXT         = @SOEXT@
+DLEXT         = @DLEXT@
+MANTYPE	      = @MANTYPE@
+SYMBOL_PREFIX = @SYMBOL_PREFIX@
+
+INSTALLED_LIST= .installed.list
+
+NEWLINE_C     = enc/trans/newline.c
+MINIPRELUDE_C = miniprelude.c
+GOLF_PRELUDE_C= golf_prelude.c
+RBCONFIG      = .rbconfig.time
+
+MAINSRC = $(MAINOBJ:.@OBJEXT@=.c)
+
+SRC_FILE      = $<
+OS_SRC_FILE   = $<
+DEST_FILE     = $@
+OS_DEST_FILE  = $@
+
+MESSAGE_BEGIN = @for line in
+MESSAGE_END = ; do echo "$$line"; done
+ECHO_BEGIN = @sep=''; for word in
+ECHO_END = ; do echo @ECHO_N@ "$$sep'$$word'@ECHO_C@"; sep=' '; done; echo
+
+ACTIONS_GROUP = @$(NULLCMD) $(empty)
+ACTIONS_ENDGROUP = @$(NULLCMD)
+
+DESTDIR       = @DESTDIR@
+
+configure_args = @configure_args@
+#### End of variables
+
+.SUFFIXES: .inc .h .c .y .i .$(ASMEXT) .$(DTRACE_EXT)
+
+all:
+
+# Prevent GNU make v3 from overflowing arg limit on SysV.
+.NOEXPORT:
+
+miniruby$(EXEEXT):
+		@-if test -f $@; then $(MV) -f $@ $@.old; $(RM) $@.old; fi
+		$(ECHO) linking $@
+		$(Q) $(PURIFY) $(CC) $(EXE_LDFLAGS) $(XLDFLAGS) $(NORMALMAINOBJ) $(MINIOBJS) $(COMMONOBJS) $(MAINLIBS) $(LIBS) $(OUTFLAG)$@
+		$(Q) $(POSTLINK)
+
+$(PROGRAM):
+		@$(RM) $@
+		$(ECHO) linking $@
+		$(Q) $(PURIFY) $(CC) $(EXE_LDFLAGS) $(XLDFLAGS) $(MAINOBJ) $(EXTOBJS) $(LIBRUBYARG) $(MAINLIBS) $(LIBS) $(EXTLIBS) $(OUTFLAG)$@
+		$(Q) $(POSTLINK)
+
+$(PROGRAM): @XRUBY_LIBPATHENV_WRAPPER@
+
+PRE_LIBRUBY_UPDATE = [ -n "$(LIBRUBY_SO_UPDATE)" ] || $(gnumake:yes=exec) $(RM) $(LIBRUBY_EXTS)
+
+# We must `rm' the library each time this rule is invoked because "updating" a
+# MAB library on Apple/NeXT (see --enable-fat-binary in configure) is not
+# supported.
+$(LIBRUBY_A):
+		@$(RM) $@
+		@-[ -z "$(EXTSTATIC)" ] || $(PRE_LIBRUBY_UPDATE)
+		$(ECHO) linking static-library $@
+		$(Q) $(AR) $(ARFLAGS) $@ $(LIBRUBY_A_OBJS) $(INITOBJS)
+		@-$(RANLIB) $@ 2> /dev/null || true
+
+verify-static-library: $(LIBRUBY_A)
+		$(ECHO) verifying static-library $@
+		@$(PURIFY) $(CC) $(EXE_LDFLAGS) $(XLDFLAGS) $(MAINOBJ) $(LIBRUBY_A) $(MAINLIBS) $(EXTLIBS) $(LIBS) $(OUTFLAG)conftest$(EXEEXT)
+		@$(RMALL) conftest$(EXEEXT) conftest.c conftest.dSYM
+
+$(LIBRUBY_SO):
+		@-[ -n "$(EXTSTATIC)" ] || $(PRE_LIBRUBY_UPDATE)
+		$(ECHO) linking shared-library $@
+		$(Q) $(LDSHARED) $(DLDFLAGS) $(OBJS) $(DLDOBJS) $(SOLIBS) $(EXTSOLIBS) $(OUTFLAG)$@
+		-$(Q) $(OBJCOPY) -w -L '$(SYMBOL_PREFIX)Init_*' -L '$(SYMBOL_PREFIX)ruby_static_id_*' \
+			-L '$(SYMBOL_PREFIX)*_threadptr_*' -L '$(SYMBOL_PREFIX)*_ec_*' $@
+		$(Q) $(POSTLINK)
+		@-$(MINIRUBY) -e 'so, *aliases = ARGV; aliases.uniq!; aliases.delete(File.basename(so)); \
+				  aliases.each { |link| File.delete link rescue nil; File.symlink so, link }' \
+				$(LIBRUBY_SO) $(LIBRUBY_ALIASES) || true
+
+LIBRUBY_WITH_EXT = @LIBRUBY_WITH_EXT@
+$(LIBRUBY_$(LIBRUBY_WITH_EXT)): $(LIBRUBY_SO_UPDATE)
+
+PKG_CONFIG = @PKG_CONFIG@
+ruby_pc = @ruby_pc@
+$(ruby_pc): config.status Makefile
+	$(Q)./config.status --file=-:$(srcdir)/template/ruby.pc.in | \
+	sed -e 's/\$$(\([A-Za-z_][A-Za-z0-9_]*\))/$${\1}/g' \
+	    -e 's|^prefix=.*|prefix=$(prefix)|' \
+	    > ruby.tmp.pc
+	$(Q)pkg_config=${PKG_CONFIG} && PKG_CONFIG_PATH=. $${pkg_config:-:} --print-errors ruby.tmp
+	$(Q)$(MV) -f ruby.tmp.pc $(ruby_pc)
+
+pre-install-local:: pkgconfig-data
+
+ruby-runner.h: template/ruby-runner.h.in config.status
+		@./config.status --file=$@:$(srcdir)/template/$(@F).in
+
+install-cross: $(arch)-fake.rb $(RBCONFIG) rbconfig.rb $(arch_hdrdir)/ruby/config.h \
+	$(LIBRUBY_A) $(LIBRUBY_SO) $(ARCHFILE) pkgconfig-data
+	$(ECHO) installing cross-compiling stuff
+	$(Q) $(MAKEDIRS) $(XRUBY_RUBYLIBDIR)/$(arch) $(XRUBY_RUBYHDRDIR)/$(arch)/ruby
+	$(Q) sed '/^\$$:\.unshift/q' $(arch)-fake.rb > fake.rb
+	$(Q) $(BASERUBY) -p \
+	-e '~/^\s*CONFIG\["LDFLAGS"\]/ and' \
+	-e '$$_[/(?=\s*"$$)/] = %q[ #{(CONFIG["LIBPATHFLAG"]%File.dirname(__FILE__)).strip}]' \
+	rbconfig.rb > fake-rbconfig.rb
+	$(INSTALL_SCRIPT) fake.rb $(XRUBY_RUBYLIBDIR)/$(arch)/fake.rb
+	$(INSTALL_SCRIPT) fake-rbconfig.rb $(XRUBY_RUBYLIBDIR)/$(arch)/rbconfig.rb
+	@$(RM) fake.rb fake-rbconfig.rb
+	$(INSTALL_DATA) $(arch_hdrdir)/ruby/config.h $(XRUBY_RUBYHDRDIR)/$(arch)/ruby
+	$(INSTALL_DATA) $(top_srcdir)/include/ruby/win32.h $(XRUBY_RUBYHDRDIR)/ruby
+	$(INSTALL_DATA) $(LIBRUBY) $(LIBRUBY_A) $(XRUBY_RUBYLIBDIR)/$(arch)
+	$(INSTALL_PROGRAM) $(LIBRUBY_SO) $(XRUBY_RUBYLIBDIR)/$(arch)
+
+Makefile:	$(srcdir)/template/Makefile.in $(srcdir)/enc/Makefile.in
+
+$(MKFILES): config.status $(srcdir)/version.h
+		@[ -f $@ ] && mv $@ $@.old
+		MAKE=$(MAKE) $(SHELL) ./config.status $@
+		@cmp $@ $@.old > /dev/null 2>&1 && echo $@ unchanged && exit 0; \
+		{ \
+		    echo "all:; -@rm -f conftest.mk"; \
+		    echo "conftest.mk: .force; @echo AUTO_REMAKE"; \
+		    echo ".force:"; \
+		} > conftest.mk || exit 1; \
+		$(MAKE) -f conftest.mk | grep '^AUTO_REMAKE$$' >/dev/null 2>&1 || \
+		{ echo "$@ updated, restart."; exit 1; }
+
+uncommon.mk: $(srcdir)/common.mk
+		sed 's/{\$$([^(){}]*)[^{}]*}//g' $< > $@
+
+.PHONY: reconfig
+reconfig-args = $(srcdir)/$(CONFIGURE) $(yes_silence:yes=--silent) $(configure_args)
+config.status-args = ./config.status $(yes_silence:yes=--silent) --recheck
+reconfig-exec-0 = test -t 1 && { : $${CONFIGURE_TTY=yes}; export CONFIGURE_TTY; }; exec 3>&1; exit `exec 4>&1; { "$$@" 3>&- 4>&-; echo $$? 1>&4; } | fgrep -v '(cached)' 1>&3 3>&- 4>&-`
+reconfig-exec-1 = set -x; "$$@"
+
+reconfig config.status:	$(srcdir)/$(CONFIGURE) $(srcdir)/enc/Makefile.in \
+			$(srcdir)/include/ruby/version.h
+	@PWD= MINIRUBY="$(MINIRUBY)"; export MINIRUBY; \
+	set $(SHELL) $($@-args); $(reconfig-exec-$(V))
+
+$(srcdir)/$(CONFIGURE): $(srcdir)/configure.ac
+	$(CHDIR) $(srcdir) && exec $(AUTOCONF) -o $(@F)
+
+prereq: $(srcdir)/$(CONFIGURE)
+
+incs: id.h
+all-incs: probes.h
+
+# Things which should be considered:
+# * with gperf v.s. without gperf
+# * committers may have various versions of gperf
+# * ./configure v.s. ../ruby/configure
+# * GNU make v.s. HP-UX make	# HP-UX make invokes the action if lex.c and keywords has same mtime.
+# * svn checkout generate a file with mtime as current time
+# * ext4 and XFS has a mtime with fractional part
+lex.c: defs/keywords
+	@\
+	if cmp -s $(srcdir)/defs/lex.c.src $?; then \
+	  [ $(Q) ] && echo copying $@ || set -x; \
+	  $(CP) $(srcdir)/lex.c.blt $@; \
+	else \
+	  [ $(Q) ] && echo generating $@ || set -x; \
+	  gperf -C -P -p -j1 -i 1 -g -o -t -N rb_reserved_word -k1,3,$$ $? \
+	  | sed -f $(tooldir)/gperf.sed \
+	  > $@.tmp && \
+	  $(MV) $@.tmp $@ && \
+	  $(CP) $? $(srcdir)/defs/lex.c.src && \
+	  $(CP) $@ $(srcdir)/lex.c.blt; \
+	fi
+
+JIS_PROPS_OPTIONS = -k1,3 -7 -c -j1 -i1 -t -C -P -t --ignore-case -H onig_jis_property_hash -Q onig_jis_property_pool -N onig_jis_property
+
+$(srcdir)/enc/jis/props.h: enc/jis/props.kwd
+	$(MAKEDIRS) $(@D)
+	@set +e; \
+	if cmp -s $(?:.kwd=.src) $?; then \
+	  set -x; \
+	  $(CP) $(?:.kwd=.h.blt) $@; \
+	else \
+	  set -x; \
+	  gperf $(JIS_PROPS_OPTIONS) $? | \
+	  sed -f $(tooldir)/gperf.sed > $@ && \
+	  $(CP) $? $(?:.kwd=.src) && \
+	  $(CP) $@ $(?:.kwd=.h.blt); \
+	fi
+
+.c.@OBJEXT@:
+	@$(ECHO) compiling $<
+	$(Q) $(CC) $(CFLAGS) $(XCFLAGS) $(CPPFLAGS) $(COUTFLAG)$@ -c $<
+
+.$(ASMEXT).@OBJEXT@:
+	@$(ECHO) assembling $<
+	$(Q) $(CC) $(ASFLAGS) -DSYMBOL_PREFIX=$(SYMBOL_PREFIX) -o $@ -c $<
+
+.c.$(ASMEXT):
+	@$(ECHO) translating $<
+	$(Q) $(CC) $(CFLAGS) $(XCFLAGS) $(CPPFLAGS) $(COUTFLAG)$@ -S $<
+
+.c.i:
+	@$(ECHO) preprocessing $<
+	$(Q) $(CPP) $(warnflags) $(XCFLAGS) $(CPPFLAGS) $(COUTFLAG)$@ -E $< > $@
+
+.d.h:
+	@$(ECHO) translating probes $<
+	$(Q) $(DTRACE) -o $@.tmp -h -C $(INCFLAGS) -s $<
+	$(Q) sed -e 's/RUBY_/RUBY_DTRACE_/g' -e 's/PROBES_H_TMP/RUBY_PROBES_H/' -e 's/(char \*/(const char */g' -e 's/, char \*/, const char */g' $@.tmp > $@
+	$(Q) $(RM) $@.tmp
+
+.dmyh.h:
+	@$(ECHO) making dummy $(DEST_FILE)
+	$(Q)echo '#include "$(*F).dmyh"' > $@
+
+probes.stamp: $(DTRACE_REBUILD_OBJS)
+	$(Q) if test -f $@ -o -f probes.$(OBJEXT); then \
+	  $(RM) $(DTRACE_REBUILD_OBJS) $@; \
+	  $(ECHO0) "rebuilding objects which were modified by \"dtrace -G\""; \
+	  $(MAKE) $(DTRACE_REBUILD_OBJS); \
+	fi
+	$(Q) touch $@
+
+probes.$(OBJEXT): $(srcdir)/probes.d $(DTRACE_REBUILD:yes=probes.stamp)
+	@$(ECHO) processing probes in object files
+	$(Q) $(RM) $@
+	$(Q) $(DTRACE) -G -C $(INCFLAGS) -s $(srcdir)/probes.d -o $@ $(DTRACE_REBUILD_OBJS)
+
+main: mjit-headers
+yes-mjit-headers: $(MJIT_MIN_HEADER)
+clean-local::
+	$(Q)$(RM) \
+	  $(MJIT_HEADER) $(MJIT_HEADER:.h=)$(MJIT_HEADER_SUFFIX:%=*).h \
+	  $(MJIT_MIN_HEADER) $(MJIT_MIN_HEADER:.h=)$(MJIT_HEADER_SUFFIX:%=*).h \
+	  $(MJIT_HEADER_INSTALL_DIR)/rb_mjit_min_header-*.h \
+	  $(TIMESTAMPDIR)/$(MJIT_HEADER:.h=)$(MJIT_HEADER_SUFFIX).time mjit_config.h \
+	|| $(NULLCMD)
+	$(Q)$(RM) -r mjit_build_dir.*
+	-$(Q) $(RMDIRS) $(MJIT_HEADER_INSTALL_DIR) $(MJIT_HEADER_BUILD_DIR) $(TIMESTAMPDIR) 2> $(NULL) || $(NULLCMD)
+
+# DTrace static library hacks described here:
+# https://marc.info/?l=opensolaris-dtrace-discuss&m=114761203110734&w=4
+ruby-glommed.$(OBJEXT):
+	@$(ECHO) generating a glommed object with DTrace probes for static library
+	$(Q) $(LD) -r -o $@ $(OBJS)
+
+clean-local::
+	$(Q)$(RM) \
+	  ext/extinit.c ext/extinit.$(OBJEXT) ext/ripper/y.output \
+	  enc/encinit.c enc/encinit.$(OBJEXT) $(pkgconfig_DATA) \
+	  ruby-runner.$(OBJEXT) ruby-runner.h \
+	|| $(NULLCMD)
+	$(Q)find . -name '*.bc' -o -name '*.[is]' -delete
+	-$(Q)$(RMALL) exe/ *.dSYM
+
+distclean-local::
+	$(Q)$(RM) \
+	  ext/config.cache $(RBCONFIG) Doxyfile run.gdb \
+	  $(INSTALLED_LIST) $(arch_hdrdir)/ruby/config.h verconf.h \
+	|| $(NULLCMD)
+	-$(Q)$(RMDIRS) $(arch_hdrdir)/ruby 2> /dev/null || true
+
+ext/clean.sub:: ext/clean.mk
+ext/distclean.sub:: ext/distclean.mk
+ext/realclean.sub:: ext/realclean.mk
+
+ext/clean.mk ext/distclean.mk ext/realclean.mk::
+	-$(Q) if [ -f $(EXTS_MK) ]; then exec $(MAKE) -f $(EXTS_MK) $(@F:.mk=); fi
+
+ext/clean:: ext/clean.sub
+ext/distclean:: ext/distclean.sub
+ext/realclean:: ext/realclean.sub
+.bundle/clean:: .bundle/clean.sub
+.bundle/distclean:: .bundle/distclean.sub
+.bundle/realclean:: .bundle/realclean.sub
+
+ext/clean.sub .bundle/clean.sub:: ext/clean.mk
+ext/distclean.sub .bundle/distclean.sub:: ext/distclean.mk
+ext/realclean.sub .bundle/realclean.sub:: ext/realclean.mk
+
+ext/clean.sub ext/distclean.sub ext/realclean.sub \
+.bundle/clean.sub .bundle/distclean.sub .bundle/realclean.sub::
+	$(Q) set dummy `echo "${EXTS}" | tr , ' '`; shift; \
+	test "$$#" = 0 && set .; \
+	set dummy `\
+	    cd $(@D) 2>/dev/null && \
+	    find "$$@" \( -name Makefile -o -name exts.mk \) -print | \
+	    sed -n 's:^\./::;s:^:$(@D)/:;s:/[^/][^/]*$$::p' | sort -u; \
+	`; shift; \
+	for dir do \
+	    $(RM) "$$dir/exts.mk"; \
+	    if [ -f "$$dir/Makefile" ]; then \
+		echo $(@F:.sub=)ing "$$dir"; \
+		(cd "$$dir" && exec $(MAKE) $(mflags) $(@F:.sub=)); \
+	    fi; \
+	done || true
+
+ext/distclean ext/realclean .bundle/distclean .bundle/realclean::
+	$(Q) set dummy `echo "${EXTS}" | tr , ' '`; shift; \
+	test "$$#" = 0 && set .; \
+	cd $(@D) 2>/dev/null && \
+	find "$$@" -type d -empty -exec $(RMDIRS) {} + 2> /dev/null || true
+	$(Q) $(RMDIRS) $(@D) 2> /dev/null || true
+
+clean-enc distclean-enc realclean-enc:
+	@test -f "$(ENC_MK)" || exit 0; \
+	echo $(@:-enc=ing) encodings; \
+	exec $(MAKE) $(MAKE_ENC) $(@:-enc=)
+
+ext/extinit.$(OBJEXT): ext/extinit.c $(SETUP)
+	$(ECHO) compiling $@
+	$(Q) $(CC) $(CFLAGS) $(XCFLAGS) $(CPPFLAGS) $(COUTFLAG)$@ -c ext/extinit.c
+
+enc/encinit.$(OBJEXT): enc/encinit.c $(SETUP)
+
+cont.$(OBJEXT): $(COROUTINE_H)
+
+update-src::
+	@$(CHDIR) "$(srcdir)" && LC_TIME=C exec $(VCSUP)
+
+update-download:: update-config_files
+
+after-update:: prereq
+
+gcov:
+	$(Q) $(BASERUBY) $(tooldir)/run-gcov.rb
+
+lcov:
+	$(Q) $(BASERUBY) $(tooldir)/run-lcov.rb
+
+update-benchmark-driver:
+	$(Q) $(tooldir)/git-refresh -C $(srcdir)/benchmark $(Q1:0=-q) \
+		--branch $(BENCHMARK_DRIVER_GIT_REF) \
+		$(BENCHMARK_DRIVER_GIT_URL) benchmark-driver $(GIT_OPTS)
+
+update-doclie:
+	$(Q) $(tooldir)/git-refresh -C $(srcdir)/coverage $(Q1:0=-q) \
+		--branch $(DOCLIE_GIT_REF) \
+		$(DOCLIE_GIT_URL) doclie $(GIT_OPTS)
+
+update-simplecov-html:
+	$(Q) $(tooldir)/git-refresh -C $(srcdir)/coverage $(Q1:0=-q) \
+		--branch $(SIMPLECOV_HTML_GIT_REF) \
+		$(SIMPLECOV_HTML_GIT_URL) simplecov-html $(GIT_OPTS)
+
+update-simplecov:
+	$(Q) $(tooldir)/git-refresh -C $(srcdir)/coverage $(Q1:0=-q) \
+		--branch $(SIMPLECOV_GIT_REF)  \
+		$(SIMPLECOV_GIT_URL) simplecov $(GIT_OPTS)
+
+update-coverage: update-simplecov update-simplecov-html update-doclie
+
+update-known-errors:
+	errno --list | cut -d' ' -f1 | sort -u - $(srcdir)/defs/known_errors.def | \
+	$(IFCHANGE) $(srcdir)/defs/known_errors.def -
+
+INSNS	= opt_sc.inc optinsn.inc optunifs.inc insns.inc insns_info.inc \
+	  vmtc.inc vm.inc mjit_compile.inc
+
+$(INSNS): $(srcdir)/insns.def vm_opts.h \
+	  $(srcdir)/defs/opt_operand.def $(srcdir)/defs/opt_insn_unif.def \
+	  $(tooldir)/insns2vm.rb \
+	  $(tooldir)/ruby_vm/controllers/application_controller.rb \
+	  $(tooldir)/ruby_vm/helpers/c_escape.rb \
+	  $(tooldir)/ruby_vm/helpers/dumper.rb \
+	  $(tooldir)/ruby_vm/helpers/scanner.rb \
+	  $(tooldir)/ruby_vm/loaders/insns_def.rb \
+	  $(tooldir)/ruby_vm/loaders/opt_insn_unif_def.rb \
+	  $(tooldir)/ruby_vm/loaders/opt_operand_def.rb \
+	  $(tooldir)/ruby_vm/loaders/vm_opts_h.rb \
+	  $(tooldir)/ruby_vm/models/attribute.rb \
+	  $(tooldir)/ruby_vm/models/bare_instructions.rb \
+	  $(tooldir)/ruby_vm/models/c_expr.rb \
+	  $(tooldir)/ruby_vm/models/instructions.rb \
+	  $(tooldir)/ruby_vm/models/instructions_unifications.rb \
+	  $(tooldir)/ruby_vm/models/operands_unifications.rb \
+	  $(tooldir)/ruby_vm/models/trace_instructions.rb \
+	  $(tooldir)/ruby_vm/models/typemap.rb \
+	  $(tooldir)/ruby_vm/scripts/converter.rb \
+	  $(tooldir)/ruby_vm/scripts/insns2vm.rb \
+	  $(tooldir)/ruby_vm/views/_attributes.erb \
+	  $(tooldir)/ruby_vm/views/_c_expr.erb \
+	  $(tooldir)/ruby_vm/views/_comptime_insn_stack_increase.erb \
+	  $(tooldir)/ruby_vm/views/_copyright.erb \
+	  $(tooldir)/ruby_vm/views/_insn_entry.erb \
+	  $(tooldir)/ruby_vm/views/_insn_len_info.erb \
+	  $(tooldir)/ruby_vm/views/_insn_name_info.erb \
+	  $(tooldir)/ruby_vm/views/_insn_operand_info.erb \
+	  $(tooldir)/ruby_vm/views/_insn_sp_pc_dependency.erb \
+	  $(tooldir)/ruby_vm/views/_insn_type_chars.erb \
+	  $(tooldir)/ruby_vm/views/_leaf_helpers.erb \
+	  $(tooldir)/ruby_vm/views/_mjit_compile_insn.erb \
+	  $(tooldir)/ruby_vm/views/_mjit_compile_insn_body.erb \
+	  $(tooldir)/ruby_vm/views/_mjit_compile_ivar.erb \
+	  $(tooldir)/ruby_vm/views/_mjit_compile_pc_and_sp.erb \
+	  $(tooldir)/ruby_vm/views/_mjit_compile_send.erb \
+	  $(tooldir)/ruby_vm/views/_notice.erb \
+	  $(tooldir)/ruby_vm/views/_sp_inc_helpers.erb \
+	  $(tooldir)/ruby_vm/views/_trace_instruction.erb \
+	  $(tooldir)/ruby_vm/views/insns.inc.erb \
+	  $(tooldir)/ruby_vm/views/insns_info.inc.erb \
+	  $(tooldir)/ruby_vm/views/mjit_compile.inc.erb \
+	  $(tooldir)/ruby_vm/views/opt_sc.inc.erb \
+	  $(tooldir)/ruby_vm/views/optinsn.inc.erb \
+	  $(tooldir)/ruby_vm/views/optunifs.inc.erb \
+	  $(tooldir)/ruby_vm/views/vm.inc.erb \
+	  $(tooldir)/ruby_vm/views/vmtc.inc.erb
+	$(ECHO) generating $@
+	$(Q) $(BASERUBY) -Ku $(tooldir)/insns2vm.rb $(INSNS2VMOPT) $@
+
+
+loadpath: verconf.h
+	@$(CPP) $(XCFLAGS) $(CPPFLAGS) $(srcdir)/loadpath.c | \
+	sed -e '1,/^const char ruby_initial_load_paths/d;/;/,$$d' \
+	    -e '/^ /!d;s/ *"\\0"$$//;s/" *"//g'
+
+un-runnable:
+	$(ECHO) cannot make runnable, configure with --enable-load-relative.
+	$(Q) exit 1
+
+mjit_config.h:
+	$(ECHO) making $@
+	@{ \
+	. $(tooldir)/mjit_archflag.sh; \
+	parse_arch_flags "$(UNIVERSAL_ARCHNAMES)" $(ARCH_FLAG); \
+	test "$(Q)" = @ || set -x; \
+	echo '#ifndef RUBY_MJIT_CONFIG_H'; \
+	echo '#define RUBY_MJIT_CONFIG_H 1'; \
+	echo; \
+	sep=; \
+	echo '#ifdef LOAD_RELATIVE'; \
+	quote MJIT_HEADER_INSTALL_DIR "/$(MJIT_HEADER_INSTALL_DIR)"; \
+	echo '#else'; \
+	quote MJIT_HEADER_INSTALL_DIR "$(rubyarchhdrdir)"; \
+	echo '#endif'; \
+	quote MJIT_MIN_HEADER_NAME "$(MJIT_MIN_HEADER_NAME)"; \
+	sep=,; \
+	quote "MJIT_CC_COMMON  " $(MJIT_CC); \
+	quote "MJIT_CFLAGS      MJIT_ARCHFLAG" $(MJIT_CFLAGS); \
+	quote "MJIT_OPTFLAGS   " $(MJIT_OPTFLAGS); \
+	quote "MJIT_DEBUGFLAGS " $(MJIT_DEBUGFLAGS); \
+	quote "MJIT_LDSHARED   " $(MJIT_LDSHARED); \
+	quote "MJIT_DLDFLAGS    MJIT_ARCHFLAG" $(MJIT_DLDFLAGS); \
+	quote "MJIT_LIBS       " $(LIBRUBYARG_SHARED); \
+	quote 'PRELOADENV       "@PRELOADENV@"'; \
+	indent=$${archs:+'  '}; \
+	define_arch_flags; \
+	echo; \
+	echo '#endif /* RUBY_MJIT_CONFIG_H */'; \
+	} > $@
+
+yes-test-almost yes-test-all programs: mjit_build_dir.$(SOEXT)
+mjit_build_dir.$(SOEXT): $(MJIT_MIN_HEADER) $(srcdir)/ruby-runner.c ruby-runner.h
+	$(ECHO) making $@
+	$(Q) $(DLDSHARED) $(MJIT_DLDFLAGS) $(ARCH_FLAG) $(CFLAGS) $(INCFLAGS) $(CPPFLAGS) \
+		-DMAKE_MJIT_BUILD_DIR=1 -DMJIT_MIN_HEADER='"$(MJIT_MIN_HEADER)"' \
+		$(OUTFLAG)$@ $(srcdir)/ruby-runner.c
+
+# yes-test-basic: leaked-globals
+leaked-globals: $(COMMONOBJS) prog $(tooldir)/leaked-globals PHONY
+	$(Q) $(XRUBY) $(tooldir)/leaked-globals NM=$(NM) SYMBOL_PREFIX=$(SYMBOL_PREFIX) PLATFORM=$(hdrdir)/ruby/$(PLATFORM_DIR).h $(srcdir)/configure.ac $(COMMONOBJS)
diff --git a/template/builtin_binary.inc.tmpl b/template/builtin_binary.inc.tmpl
new file mode 100644
index 0000000000..787ced5f3d
--- /dev/null
+++ b/template/builtin_binary.inc.tmpl
@@ -0,0 +1,30 @@
+// -*- c -*-
+// DO NOT MODIFY THIS FILE DIRECTLY.
+// auto-generated file by tool/generic_erb.rb
+// with template/builtin_binary.inc.tmpl
+% unless ARGV.include?('--cross=yes')
+%   ary = RubyVM.enum_for(:each_builtin).to_a
+%   ary.each{|feature, iseq|
+
+static const unsigned char <%= feature %>_bin[] = {
+%     iseq                   \
+%     . to_binary            \
+%     . each_byte            \
+%     . map(&:ord)           \
+%     . map{ '0x%02x' % _1 } \
+%     . each_slice(12) {|a|
+    <%= a.join(', ') %>,
+%     }
+};
+%   }
+
+static const struct builtin_binary builtin_binary[] = {
+%   ary.each{|feature, |
+    { <%= feature.dump %>, <%= feature %>_bin, sizeof(<%= feature %>_bin), },
+%   }
+    { NULL, },<%# dummy entry %>
+};
+
+#define BUILTIN_BINARY_SIZE <%= ary.size %>
+STATIC_ASSERT(n_builtin, numberof(builtin_binary) == BUILTIN_BINARY_SIZE + 1);
+% end
diff --git a/template/call_iseq_optimized.inc.tmpl b/template/call_iseq_optimized.inc.tmpl
new file mode 100644
index 0000000000..2d3ad40f7e
--- /dev/null
+++ b/template/call_iseq_optimized.inc.tmpl
@@ -0,0 +1,68 @@
+/* -*- c -*- */
+% P = (0..3)
+% L = (0..5)
+%
+% def fname param, local
+%   "vm_call_iseq_setup_normal_0start_#{param}params_#{local}locals"
+% end
+#if 1 /* enable or disable this optimization */
+
+/* DO NOT EDIT THIS FILE DIRECTLY
+ *
+ * This file is generated by tool/generic_erb.rb
+ * with template/call_iseq_optimized.inc.tmpl
+ */
+
+% P.each{|param|
+%   L.each{|local|
+static VALUE
+<%= fname(param, local) %>(rb_execution_context_t *ec, rb_control_frame_t *cfp, struct rb_calling_info *calling)
+{
+    RB_DEBUG_COUNTER_INC(ccf_iseq_fix);
+    return vm_call_iseq_setup_normal(ec, cfp, calling, vm_cc_cme(calling->cc), 0, <%= param %>, <%= local %>);
+}
+
+%   }
+% }
+/* vm_call_iseq_handlers[param][local] */
+static const vm_call_handler vm_call_iseq_handlers[][<%= L.to_a.size %>] = {
+% P.each{|param|
+    {
+%   L.each{|local|
+        <%= fname(param, local) %>,
+%   }
+    },
+% }
+};
+
+static inline vm_call_handler
+vm_call_iseq_setup_func(const struct rb_callinfo *ci, const int param_size, const int local_size)
+{
+    if (UNLIKELY(vm_ci_flag(ci) & VM_CALL_TAILCALL)) {
+        return &vm_call_iseq_setup_tailcall_0start;
+    }
+    else if (0) { /* to disable optimize */
+        return &vm_call_iseq_setup_normal_0start;
+    }
+    else if (param_size <= <%= P.end %> && local_size <= <%= L.end %>) {
+        VM_ASSERT(local_size >= 0);
+        return vm_call_iseq_handlers[param_size][local_size];
+    }
+    else {
+        return &vm_call_iseq_setup_normal_0start;
+    }
+}
+
+#else
+
+static inline vm_call_handler
+vm_call_iseq_setup_func(const struct rb_callinfo *ci, const int param_size, const int local_size)
+{
+    if (UNLIKELY(vm_ci_flag(ci) & VM_CALL_TAILCALL)) {
+        return &vm_call_iseq_setup_tailcall_0start;
+    }
+    else {
+        return &vm_call_iseq_setup_normal_0start;
+    }
+}
+#endif
diff --git a/template/configure-ext.mk.tmpl b/template/configure-ext.mk.tmpl
new file mode 100644
index 0000000000..8ba6b963e3
--- /dev/null
+++ b/template/configure-ext.mk.tmpl
@@ -0,0 +1,46 @@
+V = 0
+V0 = $(V:0=)
+Q1 = $(V:1=)
+Q = $(Q1:0=@)
+ECHO1 = $(V:1=@:)
+ECHO = $(ECHO1:0=@echo)
+
+<%
+srcdir = miniruby = script_args = nil
+opt = OptionParser.new do |o|
+  o.on('--srcdir=SRCDIR') {|v| srcdir = v}
+  o.on('--miniruby=MINIRUBY') {|v| miniruby = v}
+  o.on('--script-args=MINIRUBY') {|v| script_args = v}
+  o.order!(ARGV)
+end
+srcdir ||= File.dirname(File.dirname(__FILE__))
+exts = {}
+[
+  ["exts", "ext", "--extstatic $(EXTSTATIC)"],
+  ["gems", ".bundle/gems", "--no-extstatic"],
+].each do |t, d, o|
+  exts[t] = [o, Dir.glob("#{srcdir}/#{d}/*/").map {|n| n[(srcdir.size+1)..-2]}]
+end
+%>
+MINIRUBY = <%=miniruby%>
+SCRIPT_ARGS = <%=script_args.gsub("#", "\\#")%>
+EXTMK_ARGS = $(SCRIPT_ARGS) --gnumake=$(gnumake) --extflags="$(EXTLDFLAGS)" \
+	   --make-flags="MINIRUBY='$(MINIRUBY)'"
+
+all: exts gems
+exts:
+gems:
+
+% exts.each do |t, (o, dirs)|
+%   dirs.each do |d|
+%     next if Dir.glob("#{srcdir}/#{d}/**/extconf.rb").empty?
+<%=t%>: <%=d%>/exts.mk
+<%=d%>/exts.mk: FORCE
+	$(Q)$(MINIRUBY) $(srcdir)/ext/extmk.rb --make='$(MAKE)' \
+		--command-output=$@ $(EXTMK_ARGS) <%=o%> \
+		-- configure $(@D)
+%   end
+% end
+
+.PHONY: FORCE all exts gems
+FORCE:
diff --git a/template/depend.tmpl b/template/depend.tmpl
new file mode 100644
index 0000000000..0301ce074c
--- /dev/null
+++ b/template/depend.tmpl
@@ -0,0 +1,2 @@
+# AUTOGENERATED DEPENDENCIES START
+# AUTOGENERATED DEPENDENCIES END
diff --git a/template/encdb.h.tmpl b/template/encdb.h.tmpl
new file mode 100644
index 0000000000..8e658f7985
--- /dev/null
+++ b/template/encdb.h.tmpl
@@ -0,0 +1,101 @@
+<% #-*- mode: ruby -*-
+#
+# OnigEncodingDefine(foo, Foo) = {
+#   ..
+#   "Shift_JIS", /* Canonical Name */
+#   ..
+# };
+# ENC_ALIAS("SJIS", "Shift_JIS")
+# ENC_REPLICATE("Windows-31J", "Shift_JIS")
+# ENC_ALIAS("CP932", "Windows-31J")
+#
+
+def check_duplication(defs, name, fn, line)
+  if defs[name]
+    raise ArgumentError, "%s:%d: encoding %s is already registered(%s:%d)" %
+      [fn, line, name, *defs[name]]
+  else
+    defs[name.upcase] = [fn,line]
+  end
+end
+
+lines = []
+BUILTIN_ENCODINGS = {
+  'ASCII-8BIT' => 0,
+  'UTF-8' => 1,
+  'US-ASCII' => 2,
+}
+encodings = %w[ASCII-8BIT UTF-8 US-ASCII] # BUILTIN_ENCODINGS.keys is not available on cross compiling and used ruby 1.8
+count = encodings.size
+defs = {}
+encdirs = ARGV.dup
+encdirs << 'enc' if encdirs.empty?
+files = {}
+encdirs.each do |encdir|
+  next unless File.directory?(encdir)
+  Dir.open(encdir) {|d| d.grep(/.+\.[ch]\z/)}.sort_by {|e|
+    e.scan(/(\d+)|(\D+)/).map {|n,a| a||[n.size,n.to_i]}.flatten
+  }.each do |fn|
+    next if files[fn]
+    files[fn] = true
+    open(File.join(encdir,fn)) do |f|
+      name = nil
+      skip_ifndef_ruby = false
+      encoding_def = false
+      f.each_line do |line|
+        case line
+        when /^#ifndef RUBY/
+          skip_ifndef_ruby = true
+        when /^#endif/
+          skip_ifndef_ruby = false
+        end
+        next if skip_ifndef_ruby
+        encoding_def = true if /^OnigEncodingDefine/ =~ line
+        if encoding_def && /"(.*?)"/ =~ line
+          encoding_def = false
+          if name
+            lines << %[ENC_SET_BASE("#$1", "#{name}");]
+          else
+            name = $1
+          end
+          check_duplication(defs, $1, fn, f.lineno)
+          next if BUILTIN_ENCODINGS[name]
+          encodings << $1
+          count += 1
+        else
+          case line
+          when /^\s*rb_enc_register\(\s*"([^"]+)"/
+            count += 1
+            line = nil
+            encodings << $1
+          when /^ENC_REPLICATE\(\s*"([^"]+)"\s*,\s*"([^"]+)"/
+            raise ArgumentError,
+                  '%s:%d: ENC_REPLICATE: %s is not defined yet. (replica %s)' %
+                  [fn, f.lineno, $2, $1] unless defs[$2.upcase]
+            count += 1
+          when /^ENC_ALIAS\(\s*"([^"]+)"\s*,\s*"([^"]+)"/
+            raise ArgumentError,
+                  '%s:%d: ENC_ALIAS: %s is not defined yet. (alias %s)' %
+                  [fn, f.lineno, $2, $1] unless defs[$2.upcase]
+          when /^ENC_DUMMY\w*\(\s*"([^"]+)"/
+            count += 1
+          else
+            next
+          end
+          check_duplication(defs, $1, fn, f.lineno)
+          lines << line.sub(/;.*/m, "").chomp + ";" if line
+        end
+      end
+    end
+  end
+end
+-%>
+% encodings.each_with_index do |e, i|
+ENC_DEFINE("<%=e%>");
+% end
+% encidx = encodings.size - 1
+% lines.each do |line|
+<%=line%><%#=%% %>
+% end
+
+#define ENCODING_COUNT <%=count%>
diff --git a/template/extinit.c.tmpl b/template/extinit.c.tmpl
new file mode 100644
index 0000000000..e0b076b03c
--- /dev/null
+++ b/template/extinit.c.tmpl
@@ -0,0 +1,17 @@
+%# -*- C -*-
+% extinits = ARGV.map {|n| [n.tr('/', '_'), n]}
+#include "ruby/ruby.h"
+
+#define init(func, name) {	\
+    extern void func(void);	\
+    ruby_init_ext(name".so", func); \
+}
+
+void ruby_init_ext(const char *name, void (*init)(void));
+
+void Init_ext(void)
+{
+% extinits.each do |f, n|
+    init(Init_<%=f%>, <%=n.dump%>);
+% end
+}
diff --git a/template/exts.mk.tmpl b/template/exts.mk.tmpl
new file mode 100644
index 0000000000..5595a08da1
--- /dev/null
+++ b/template/exts.mk.tmpl
@@ -0,0 +1,171 @@
+# -*- makefile -*-
+V = 0
+V0 = $(V:0=)
+Q1 = $(V:1=)
+Q = $(Q1:0=@)
+ECHO1 = $(V:1=@:)
+ECHO = $(ECHO1:0=@echo)
+<%
+require './rbconfig'
+macros = {}
+deps = []
+notes = {}
+rubies = []
+exeext = RbConfig::CONFIG['EXEEXT']
+gnumake = false
+confexts = nil
+opt = OptionParser.new do |o|
+  o.on('--gnumake=BOOL') {|v| gnumake = v == 'yes'}
+  o.on('--configure-exts=FILE') {|v| confexts = v}
+  o.order!(ARGV)
+end
+confexts &&= File.read(confexts).scan(/^(?:ext|gem)s: (.*\.mk)/).flatten rescue nil
+confexts ||= []
+macros["old_extensions"] = []
+
+contpat = /(?>(?>[^\\\n]|\\.)*\\\n)*(?>[^\\\n]|\\.)*/
+Dir.glob("{ext,.bundle/gems}/*/exts.mk") do |e|
+  gem = e.start_with?(".bundle/gems/")
+  s = File.read(e)
+  s.scan(/^(extensions|SUBMAKEOPTS|EXT[A-Z]+|MFLAGS|NOTE_[A-Z]+)[ \t]*=[ \t]*(#{contpat})$/o) do |n, v|
+    v.gsub!(/\\\n[ \t]*/, ' ')
+    next if v.empty?
+    n = "old_extensions" if n == "extensions" and !confexts.include?(e)
+    v = v.split
+    m = macros[n] ||= []
+    case n
+    when "LIBS"
+      m.concat(v)
+    else
+      macros[n] = m | v
+    end
+    break if n == "old_extensions"
+  end
+  if gem
+    r = ""
+  else
+    r = s[/^all static: (.+)$/, 1]
+    deps << $&
+    rubies |= r.split if r
+    r = "(?:#{Regexp.new(r)})|"
+  end
+  s.scan(%r"^(ext/\S+)/[^/\s:]+:[ \t]*\1/static$|
+            ^(?:#{r}
+              all|static|install(?:-(?:so|rb))?|
+              (?:dist|real)?clean
+             ):.+$
+           "x) do
+    deps << $&.sub(/ +note$/, '')
+  end
+  s.scan(%r"^(note(?:-\w+)?):(:)?[ \t]*(#{contpat})\n((?:\t.+\n)*)"o) do |(t, m, d, n)|
+    note = (notes[t] ||= [[m||""], []])
+    note[0] |= d.split(/(?:\\\n|[ \t])[ \t]*/)
+    n = n.split(/^/)
+    if m
+      note[1].concat(n)
+    else
+      note[1] |= n
+    end
+  end
+end
+deps.uniq!
+if objs = macros["EXTOBJS"] and objs.any? {|e|e.start_with?("ext/extinit.")}
+  objs.delete_if {|e|e.start_with?("dmyext.")}
+end
+macros.default = [].freeze
+class Array
+  def fold(h, w = 70)
+    return "" if empty?
+    w -= h
+    ret = [s = String.new]
+    each do |e|
+      if s.size + e.size + 1 > w
+        ret << (s = String.new)
+      end
+      s << " " << e
+    end
+    ret.join(" \\\n" + "\t" * (h / 8) + " " * (h % 8))
+  end
+end
+@erbout = _erbout
+def self.column
+  w = 0
+  @erbout[/^.*\z/].scan(/\t|([^\t]+)/) {|s,| w += (s ? s.size : 8 - w % 8)}
+  w
+end
+targets = %w[all static install install-so install-rb clean distclean realclean]
+objext = RbConfig::CONFIG["OBJEXT"]
+if gnumake
+  submake = "$(MAKE) -C $(@D)"
+else
+  submake = "cd $(@D) && "
+  exec = RbConfig::CONFIG["exec"] and !exec.empty? and submake << exec << " "
+  submake << "$(MAKE)"
+  mflags = " $(MFLAGS)"
+end
+-%>
+% macros.each_pair do |k, v|
+<%=k%> =<%= v.fold(column) %>
+% end
+% RbConfig::MAKEFILE_CONFIG.keys.grep(/RM/) do |k|
+<%=k%> = <%=RbConfig::MAKEFILE_CONFIG[k]%>
+% end
+
+all:
+static:
+
+clean:
+	-$(Q)$(RM) ext/extinit.<%= objext %>
+distclean:
+	-$(Q)$(RM) ext/extinit.c
+
+% deps.each do |d|
+<%= d %>
+% end
+
+% rubies.each do |ruby|
+<%= ruby %>:
+	$(Q)$(MAKE)<%=mflags%> $(SUBMAKEOPTS) $@
+% end
+% if rubies.size > 1
+<%= rubies[1..-1].join(' ')%>: <%= rubies[0] %>
+% end
+
+libencs:
+	$(Q)$(MAKE)<%=mflags%> -f enc.mk V=$(V) MINIRUBY="$(MINIRUBY)" $@
+ext/extinit.<%=objext%>:
+	$(Q)$(MAKE)<%=mflags%> V=$(V) EXTINITS="$(EXTINITS)" $@
+
+% exts = (macros["extensions"] + macros["old_extensions"])
+% exts.map! {|e|e.chomp("/.")}.sort
+% targets.each do |tgt|
+%   exts.each do |d|
+%     t = "#{d}/#{tgt}"
+%     if /^(dist|real)?clean$/ =~ tgt
+%       deps = exts.select {|e|e.start_with?("#{d}/")}.map {|e|"#{e}/#{tgt}"}
+%       pd = ' ' + deps.join(' ') unless deps.empty?
+%     else
+%       pext = File.dirname(d)
+%       pd = " #{pext}/#{tgt}" if exts.include?(pext)
+%     end
+<%=t%>:<%=pd%>
+%     if /^(dist|real)clean$/ =~ tgt
+	$(ECHO) $(@F)ing $(@D)
+%     end
+	$(Q)<%= submake %><%=mflags%> V=$(V) $(@F)
+%     if /^(dist|real)clean$/ =~ tgt
+	$(Q)$(RM) <%=t[%r[\A(?:\.[^/]+/)?(?:[^/]+/){2}]]%>exts.mk
+	$(Q)$(RMDIRS) $(@D)
+%     end
+%   end
+% end
+
+extso:
+	@echo EXTSO=$(EXTSO)
+
+% notes.each_pair do |k, (d, n)|
+<%= k %>:<%= d.join(' ') %>
+<%= n.join("") %>
+% end
+
+remove-old-extensions: $(old_extensions:/.=/distclean)
diff --git a/template/fake.rb.in b/template/fake.rb.in
new file mode 100644
index 0000000000..e5900e8065
--- /dev/null
+++ b/template/fake.rb.in
@@ -0,0 +1,53 @@
+# frozen_string_literal: true
+# shareable_constant_value: literal
+<%
+arg = {}
+while /\A(\w+)=(.*)/ =~ ARGV[0]
+  arg[$1] = $2
+  arg[$1].tr!(File::ALT_SEPARATOR, File::SEPARATOR) if File::ALT_SEPARATOR
+  ARGV.shift
+end
+if inc = arg['i']
+  src = inc == '-' ? STDIN.read : File.read(inc)
+  src.gsub!(/^#.*\n/, '')
+  def src.value(name)
+    eval(self[/\bruby_#{name}(?:\[\])?\s*=\s*((?:"(?:\\.|[^\"\\])*"\s*)*(?=;)|[^{};]+)/m, 1].gsub(/#/, '\\#'))
+  end
+  arg['versions'] = version = {}
+  File.read(File.join(arg['srcdir'], 'version.c')).
+    scan(/rb_define_global_const\("(RUBY_\w+)",[^;]*?\bMK(?:INT|STR)\(([^()]*)\)/m) do |n, v|
+    version[n] = src.value(v)
+  end
+  arg['RUBY_DESCRIPTION_WITH_MJIT'] = src.value('description_with_mjit')
+end
+%>baseruby="<%=arg['BASERUBY']%>"
+_\
+=begin
+_=
+ruby="${RUBY-$baseruby}"
+case "$ruby" in "echo "*) $ruby; exit $?;; esac
+case "$0" in /*) r=-r"$0";; *) r=-r"./$0";; esac
+exec $ruby "$r" "$@"
+=end
+=baseruby
+class Object
+  remove_const :CROSS_COMPILING if defined?(CROSS_COMPILING)
+  CROSS_COMPILING = RUBY_PLATFORM
+  constants.grep(/^RUBY_/) {|n| remove_const n}
+% arg['versions'].each {|n, v|
+  <%=n%> = <%if n=='RUBY_DESCRIPTION' %>RubyVM.const_defined?(:JIT) && RubyVM::MJIT.enabled? ?
+    <%=arg['RUBY_DESCRIPTION_WITH_JIT'].inspect%> :
+    <%end%><%=v.inspect%>
+% }
+end
+builddir = File.dirname(File.expand_path(__FILE__))
+srcdir = "<%=arg['srcdir']%>"
+top_srcdir = File.realpath(srcdir, builddir)
+fake = File.join(top_srcdir, "tool/fake.rb")
+eval(File.binread(fake), nil, fake)
+ropt = "-r#{__FILE__}"
+["RUBYOPT"].each do |flag|
+  opt = ENV[flag]
+  opt = opt ? ([ropt] | opt.b.split(/\s+/)).join(" ") : ropt
+  ENV[flag] = opt
+end
diff --git a/template/id.c.tmpl b/template/id.c.tmpl
new file mode 100644
index 0000000000..4f30875c04
--- /dev/null
+++ b/template/id.c.tmpl
@@ -0,0 +1,41 @@
+%#  -*- c -*-
+/* DO NOT EDIT THIS FILE DIRECTLY */
+/**********************************************************************
+
+  id.c -
+
+  $Author$
+  created at: Wed Dec  5 02:36:10 2012
+
+  Copyright (C) 2004-2007 Koichi Sasada
+
+**********************************************************************/
+<%
+defs = File.join(File.dirname(File.dirname(erb.filename)), "defs/id.def")
+ids = eval(File.read(defs), binding, defs)
+ops = ids[:token_op].uniq {|id, op, token| token && op}
+%>
+% ops.each do |_id, _op, token|
+%   next unless token
+#define t<%=token%> RUBY_TOKEN(<%=token%>)
+% end
+
+static const struct {
+    unsigned short token;
+    const char name[3], term;
+} op_tbl[] = {
+% ops.each do |_id, op, token|
+%   next unless token
+    {t<%=token%>, "<%=op%>"},
+% end
+};
+
+static void
+Init_id(void)
+{
+    rb_encoding *enc = rb_usascii_encoding();
+
+% ids[:predefined].each do |token, name|
+    REGISTER_SYMID(id<%=token%>, "<%=name%>");
+% end
+}
diff --git a/template/id.h.tmpl b/template/id.h.tmpl
new file mode 100644
index 0000000000..687cbbbe40
--- /dev/null
+++ b/template/id.h.tmpl
@@ -0,0 +1,97 @@
+%#  -*- c -*-
+/* DO NOT EDIT THIS FILE DIRECTLY */
+/**********************************************************************
+
+  id.h -
+
+  $Author$
+  created at: Sun Oct 19 21:12:51 2008
+
+  Copyright (C) 2007 Koichi Sasada
+
+**********************************************************************/
+<%
+op_id_offset = 128
+
+defs = File.join(File.dirname(File.dirname(erb.filename)), "defs/id.def")
+ids = eval(File.read(defs), binding, defs)
+types = ids.keys.grep(/^[A-Z]/)
+%>
+#ifndef RUBY_ID_H
+#define RUBY_ID_H
+
+enum ruby_id_types {
+    RUBY_ID_STATIC_SYM  = 0x01,
+    RUBY_ID_LOCAL       = 0x00,
+    RUBY_ID_INSTANCE    = (0x01<<1),
+    RUBY_ID_GLOBAL      = (0x03<<1),
+    RUBY_ID_ATTRSET     = (0x04<<1),
+    RUBY_ID_CONST       = (0x05<<1),
+    RUBY_ID_CLASS       = (0x06<<1),
+    RUBY_ID_JUNK        = (0x07<<1),
+    RUBY_ID_INTERNAL    = RUBY_ID_JUNK,
+    RUBY_ID_SCOPE_SHIFT = 4,
+    RUBY_ID_SCOPE_MASK  = (~(~0U<<(RUBY_ID_SCOPE_SHIFT-1))<<1)
+};
+
+#define ID_STATIC_SYM  RUBY_ID_STATIC_SYM
+#define ID_SCOPE_SHIFT RUBY_ID_SCOPE_SHIFT
+#define ID_SCOPE_MASK  RUBY_ID_SCOPE_MASK
+#define ID_LOCAL       RUBY_ID_LOCAL
+#define ID_INSTANCE    RUBY_ID_INSTANCE
+#define ID_GLOBAL      RUBY_ID_GLOBAL
+#define ID_ATTRSET     RUBY_ID_ATTRSET
+#define ID_CONST       RUBY_ID_CONST
+#define ID_CLASS       RUBY_ID_CLASS
+#define ID_JUNK        RUBY_ID_JUNK
+#define ID_INTERNAL    RUBY_ID_INTERNAL
+
+#define symIFUNC ID2SYM(idIFUNC)
+#define symCFUNC ID2SYM(idCFUNC)
+
+% index = op_id_offset
+% ids[:token_op].each do |_id, _op, token|
+%   next unless token
+#define RUBY_TOKEN_<%=token%> <%=index%>
+%   index += 1
+% end
+#define RUBY_TOKEN(t) RUBY_TOKEN_##t
+
+#define RUBY_TOKEN2ID_TYPE(tok, type) ((tok<<RUBY_ID_SCOPE_SHIFT)|type|RUBY_ID_STATIC_SYM)
+% types.each do |type|
+#define TOKEN2<%=type%>ID(tok) RUBY_TOKEN2ID_TYPE(tok, RUBY_ID_<%=type%>)
+% end
+
+enum ruby_method_ids {
+% ids[:token_op].uniq {|_, op| op}.each do |id, op, token|
+    id<%=id%> = <%=token ? "RUBY_TOKEN(#{token})" : "'#{op}'"%>,
+% end
+    tPRESERVED_ID_BEGIN = <%=index-1%>,
+% ids[:preserved].each do |token|
+    id<%=token%>,
+% end
+    tPRESERVED_ID_END,
+% prev = 'tPRESERVED_ID_END'
+% types.each do |type|
+%   tokens = ids[type]
+    tTOKEN_<%=type%>_BEGIN = <%=prev%>-1,
+%   tokens.each do |token|
+    t<%=token%>,
+%   end
+%   prev = "tTOKEN_#{type}_END"
+    <%=prev%>,
+% end
+    tNEXT_ID = <%=prev%>,
+% types.each do |type|
+%   tokens = ids[type]
+#define DEFINE_<%=type%>ID_FROM_TOKEN(n) id##n = TOKEN2<%=type%>ID(t##n)
+%   tokens or next
+%   tokens.each do |token|
+    DEFINE_<%=type%>ID_FROM_TOKEN(<%=token%>),
+%   end
+% end
+    tLAST_OP_ID = tPRESERVED_ID_END-1,
+    idLAST_OP_ID = tLAST_OP_ID >> ID_SCOPE_SHIFT
+};
+
+#endif /* RUBY_ID_H */
diff --git a/template/known_errors.inc.tmpl b/template/known_errors.inc.tmpl
new file mode 100644
index 0000000000..c3aee77477
--- /dev/null
+++ b/template/known_errors.inc.tmpl
@@ -0,0 +1,14 @@
+/** -*-c-*-
+ * DO NOT EDIT
+ * This file is automatically generated by tool/generic_erb.rb from
+ * template/known_errors.inc.tmpl and defs/known_errors.def.
+ */
+
+% error_names = ARGF.read.split(/\s+/)
+% error_names.each do |name|
+#ifdef <%=name%>
+        defined_error("<%=name%>", <%=name%>)
+#else
+        undefined_error("<%=name%>")
+#endif
+% end
diff --git a/template/limits.c.tmpl b/template/limits.c.tmpl
new file mode 100644
index 0000000000..de35354829
--- /dev/null
+++ b/template/limits.c.tmpl
@@ -0,0 +1,97 @@
+%#  -*- c -*-
+% limits = %w[
+%   FIXNUM
+%   CHAR   SCHAR   UCHAR  WCHAR
+%          SHRT    USHRT
+%          INT     UINT
+%          LONG    ULONG
+%          LLONG   ULLONG
+%          INT8    UINT8  INT_LEAST8  UINT_LEAST8  INT_FAST8  UINT_FAST8
+%          INT16   UINT16 INT_LEAST16 UINT_LEAST16 INT_FAST16 UINT_FAST16
+%          INT32   UINT32 INT_LEAST32 UINT_LEAST32 INT_FAST32 UINT_FAST32
+%          INT64   UINT64 INT_LEAST64 UINT_LEAST64 INT_FAST64 UINT_FAST64
+%          INT128  UINT128
+%          INTMAX  UINTMAX
+%          INTPTR  UINTPTR
+%          SSZIE   SIZE
+%          PTRDIFF
+% ]
+%
+% verbatim_integers = %w[
+%   FLT_RADIX
+%   FLT_ROUNDS
+%   FLT_EVAL_METHOD
+%   FLT_MANT_DIG    DBL_MANT_DIG    LDBL_MANT_DIG
+%   FLT_DIG         DBL_DIG         LDBL_DIG
+%   FLT_MIN_EXP     DBL_MIN_EXP     LDBL_MIN_EXP
+%   FLT_MIN_10_EXP  DBL_MIN_10_EXP  LDBL_MIN_10_EXP
+%   FLT_MAX_EXP     DBL_MAX_EXP     LDBL_MAX_EXP
+%   FLT_MAX_10_EXP  DBL_MAX_10_EXP  LDBL_MAX_10_EXP
+%   FLT_DECIMAL_DIG DBL_DECIMAL_DIG LDBL_DECIMAL_DIG DECIMAL_DIG
+%   FLT_HAS_SUBNORM DBL_HAS_SUBNORM LDBL_HAS_SUBNORM
+% ]
+%
+% # Beware; Ruby cannot handle LDBL_MAX.
+% verbatim_doubles = %w[
+%   FLT_MAX      DBL_MAX
+%   FLT_EPSILON  DBL_EPSILON
+%   FLT_MIN      DBL_MIN
+%   FLT_TRUE_MIN DBL_TRUE_MIN
+% ]
+%
+#include <limits.h>
+#include "ruby/ruby.h"
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_FLOAT_H
+# include <float.h>
+#endif
+
+void
+Init_limits(void)
+{
+    VALUE h = rb_hash_new();
+    rb_define_const(rb_define_module("RbConfig"), "LIMITS", h);
+
+#ifdef HAVE_LONG_LONG
+#ifndef ULLONG_MAX
+#define ULLONG_MAX ((unsigned LONG_LONG)LLONG_MAX*2+1)
+#endif
+#define MAX2NUM(name) ULL2NUM(name ## _MAX)
+#define MIN2NUM(name)  LL2NUM(name ## _MIN)
+#else
+#define MAX2NUM(name) ULONG2NUM(name ## _MAX)
+#define MIN2NUM(name)  LONG2NUM(name ## _MIN)
+#endif
+#define DEFINE(k, v) rb_hash_aset(h, rb_str_new_cstr(#k), v)
+
+% limits.each do |type|
+#ifdef <%= type %>_MAX
+    DEFINE(<%= type %>_MAX, MAX2NUM(<%= type %>));
+#endif
+#ifdef <%= type %>_MIN
+    DEFINE(<%= type %>_MIN, MIN2NUM(<%= type %>));
+#endif
+% end
+
+% verbatim_integers.each do |name|
+#ifdef <%= name %>
+    DEFINE(<%= name %>, LONG2NUM(<%= name %>));
+#endif
+% end
+
+% verbatim_doubles.each do |name|
+#ifdef <%= name %>
+    DEFINE(<%= name %>, DBL2NUM(<%= name %>));
+#endif
+% end
+
+#undef DEFINE
+#undef MIN2NUM
+#undef MAX2NUM
+    OBJ_FREEZE(h);
+}
diff --git a/template/prelude.c.tmpl b/template/prelude.c.tmpl
new file mode 100644
index 0000000000..8743d63de7
--- /dev/null
+++ b/template/prelude.c.tmpl
@@ -0,0 +1,281 @@
+<%
+# This file is interpreted by $(BASERUBY) and miniruby.
+# $(BASERUBY) is used for miniprelude.c.
+# miniruby is used for prelude.c.
+# Since $(BASERUBY) may be older than Ruby 1.9,
+# Ruby 1.9 feature should not be used.
+
+require_relative '../tool/ruby_vm/helpers/c_escape'
+
+class Prelude
+  include RubyVM::CEscape
+  LINE_LIMIT = 509 # by C89
+
+  def prelude_base(filename)
+    filename.chomp(".rb")
+  end
+  def prelude_name(filename)
+    "<internal:" + prelude_base(filename) + ">"
+  end
+
+  def initialize(output, preludes, vpath)
+    @output = output
+    @have_sublib = false
+    @vpath = vpath
+    @prelude_count = 0
+    @builtin_count = 0
+    @preludes = {}
+    @mains = preludes.map do |filename|
+      if prelude = filename.end_with?("golf_prelude.rb")
+        @prelude_count += 1
+      else
+        @builtin_count += 1
+      end
+      translate(filename, (filename unless prelude))[0]
+    end
+    @preludes.delete_if {|_, (_, _, lines, sub)| sub && lines.empty?}
+  end
+
+  def translate(filename, sub = false)
+    idx = @preludes[filename]
+    return idx if idx
+    lines = []
+    start_line = nil
+    lineno = 0
+    result = [@preludes.size, @vpath.strip(filename), lines, sub]
+    @vpath.foreach(filename) do |line|
+      line.force_encoding("ASCII-8BIT") if line.respond_to?(:force_encoding)
+      line.rstrip!
+      lineno += 1
+      @preludes[filename] ||= result
+      comment = ($1 || '' if line.sub!(/(?:^|\s+)\#(?:$|[#\s](.*))/, ''))
+      if !line.empty? or start_line
+        line << "\n"
+        start_line ||= lineno
+      end
+      if line.size > LINE_LIMIT
+        raise "#{filename}:#{lines.size+1}: too long line"
+      end
+      line.sub!(/require(_relative)?\s*\(?\s*(["'])(.*?)(?:\.rb)?\2\)?/) do
+        orig, rel, path = $&, $2, $3
+        if rel
+          path = File.join(File.dirname(filename), path)
+          nil while path.gsub!(%r'(\A|/)(?!\.\.?/)[^/]+/\.\.(?:/|\z)', '')
+        end
+        path = translate("#{path}.rb", true) rescue nil
+        if path
+          @have_sublib = true
+          "TMP_RUBY_PREFIX.require(#{path[0]})"
+        else
+          orig
+        end
+      end
+      lines << [line, comment]
+    end
+    result << (start_line || 1)
+    result
+  end
+end
+Prelude.new(output, ARGV, vpath).instance_eval do
+-%>
+/* -*-c-*-
+ THIS FILE WAS AUTOGENERATED BY template/prelude.c.tmpl. DO NOT EDIT.
+
+ sources: <%= @preludes.map {|n,*| prelude_base(n)}.join(', ') %><%=%>
+*/
+%unless @preludes.empty?
+#include "internal.h"
+#include "internal/warnings.h"
+#include "iseq.h"
+#include "ruby/ruby.h"
+#include "vm_core.h"
+
+COMPILER_WARNING_PUSH
+#if __has_warning("-Wstring-concatenation")
+COMPILER_WARNING_IGNORED(-Wstring-concatenation)
+#endif
+% preludes = @preludes.values.sort
+% preludes.each {|i, prelude, lines, sub|
+
+%   name = prelude_name(*prelude)
+static const char prelude_name<%=i%><%=%>[] = <%=rstring2cstr(name)%>;
+static const struct {
+%   size = beg = 0
+%   lines.each_with_index {|(line, comment), n|
+%     if size + line.size < Prelude::LINE_LIMIT
+%       size += line.size
+%       next
+%     end
+    char L<%=beg%><%=%>[<%=size%><%=%>]; /* <%=beg+1%>..<%=n%> */
+%     size = line.size
+%     beg = n
+%   }
+%   if size > 0
+    char L<%=beg%><%=%>[<%=size%><%=%>]; /* <%=beg+1%>..<%=lines.size+1%> */
+%   end
+} prelude_code<%=i%><%=%> = {
+%   size = 0
+#line 1 <%=rstring2cstr(prelude)%>
+%   lines.each_with_index {|(line, comment), n|
+%     if size + line.size >= Prelude::LINE_LIMIT
+%       size = 0
+,
+#line <%=n+1%> <%=rstring2cstr(prelude)%>
+%     end
+%     size += line.size
+<%=rstring2cstr(line)%><%if comment%><%=commentify(comment)%><%end%>
+%   }
+#line <%=_erbout.count("\n")+2%> "<%=@output%>"
+};
+% }
+
+COMPILER_WARNING_POP
+
+% if @have_sublib
+#define PRELUDE_COUNT <%=preludes.size%>
+
+struct prelude_env {
+    volatile VALUE prefix_path;
+#if PRELUDE_COUNT > 0
+    char loaded[PRELUDE_COUNT];
+#endif
+};
+
+static VALUE
+prelude_prefix_path(VALUE self)
+{
+    struct prelude_env *ptr = DATA_PTR(self);
+    return ptr->prefix_path;
+}
+
+% end
+% unless preludes.empty?
+#define PRELUDE_NAME(n) rb_usascii_str_new_static(prelude_name##n, sizeof(prelude_name##n)-1)
+#define PRELUDE_CODE(n) rb_utf8_str_new_static(prelude_code##n.L0, sizeof(prelude_code##n))
+
+static rb_ast_t *
+prelude_ast(VALUE name, VALUE code, int line)
+{
+    rb_ast_t *ast = rb_parser_compile_string_path(rb_parser_new(), name, code, line);
+    if (!ast->body.root) {
+	rb_ast_dispose(ast);
+	rb_exc_raise(rb_errinfo());
+    }
+    return ast;
+}
+
+% end
+% if @builtin_count > 0
+#define PRELUDE_AST(n, name_str, start_line) \
+    (((sizeof(prelude_name<%='##'%><%=%>n) - prefix_len - 2) == namelen) && \
+     (strncmp(prelude_name<%='##'%><%=%>n + prefix_len, feature_name, namelen) == 0) ? \
+     prelude_ast((name_str) = PRELUDE_NAME(n), PRELUDE_CODE(n), start_line) : 0)
+
+rb_ast_t *
+rb_builtin_ast(const char *feature_name, VALUE *name_str)
+{
+    const size_t prefix_len = rb_strlen_lit("<internal:");
+    size_t namelen = strlen(feature_name);
+    rb_ast_t *ast = 0;
+
+%   @preludes.each_value do |i, prelude, lines, sub, start_line|
+%     if sub and sub != true
+    if ((ast = PRELUDE_AST(<%=i%><%=%>, *name_str, <%=start_line%>)) != 0) return ast;
+%     end
+%   end
+    return ast;
+}
+
+% end
+% if @prelude_count > 0
+COMPILER_WARNING_PUSH
+#if GCC_VERSION_SINCE(4, 2, 0)
+COMPILER_WARNING_ERROR(-Wmissing-field-initializers)
+#endif
+static void
+prelude_eval(VALUE code, VALUE name, int line)
+{
+    static const rb_compile_option_t optimization = {
+	TRUE, /* int inline_const_cache; */
+	TRUE, /* int peephole_optimization; */
+	FALSE,/* int tailcall_optimization; */
+	TRUE, /* int specialized_instruction; */
+	TRUE, /* int operands_unification; */
+	TRUE, /* int instructions_unification; */
+	TRUE, /* int stack_caching; */
+	TRUE, /* int frozen_string_literal; */
+	FALSE, /* int debug_frozen_string_literal; */
+	FALSE, /* unsigned int coverage_enabled; */
+	0, /* int debug_level; */
+    };
+
+    rb_ast_t *ast = prelude_ast(name, code, line);
+    rb_iseq_eval(rb_iseq_new_with_opt(&ast->body, name, name, Qnil, INT2FIX(line),
+				      NULL, 0, ISEQ_TYPE_TOP, &optimization));
+    rb_ast_dispose(ast);
+}
+COMPILER_WARNING_POP
+
+% end
+% if @have_sublib
+static VALUE
+prelude_require(VALUE self, VALUE nth)
+{
+    struct prelude_env *ptr = DATA_PTR(self);
+    VALUE code, name;
+    int n = FIX2INT(nth);
+    int start_line;
+
+    if (n > PRELUDE_COUNT) return Qfalse;
+    if (ptr->loaded[n]) return Qfalse;
+    ptr->loaded[n] = 1;
+    switch (n) {
+%   @preludes.each_value do |i, prelude, lines, sub, start_line|
+%     if sub == true
+      case <%=i%><%=%>:
+	code = PRELUDE_CODE(<%=i%><%=%>);
+	name = PRELUDE_NAME(<%=i%><%=%>);
+	start_line = <%=start_line%>;
+	break;
+%     end
+%   end
+      default:
+	return Qfalse;
+    }
+    prelude_eval(code, name, start_line);
+    return Qtrue;
+}
+
+% end
+%end
+% init_name = @output && @output[/\w+(?=_prelude.c\b)/] || 'prelude'
+void
+Init_<%=init_name%><%=%>(void)
+{
+%unless @prelude_count.zero?
+% if @have_sublib
+    struct prelude_env memo;
+    ID name = rb_intern("TMP_RUBY_PREFIX");
+    VALUE prelude = Data_Wrap_Struct(rb_cData, 0, 0, &memo);
+
+    memo.prefix_path = rb_const_remove(rb_cObject, name);
+    rb_const_set(rb_cObject, name, prelude);
+    rb_define_singleton_method(prelude, "to_s", prelude_prefix_path, 0);
+% end
+% if @have_sublib
+    memset(memo.loaded, 0, sizeof(memo.loaded));
+    rb_define_singleton_method(prelude, "require", prelude_require, 1);
+% end
+% preludes.each do |i, prelude, lines, sub, start_line|
+%   next if sub
+    prelude_eval(PRELUDE_CODE(<%=i%><%=%>), PRELUDE_NAME(<%=i%><%=%>), <%=start_line%>);
+% end
+
+#if 0
+% preludes.length.times {|i|
+    printf("%.*s", (int)sizeof(prelude_code<%=i%><%=%>), prelude_code<%=i%><%=%>.L0);
+% }
+#endif
+%end
+}
+<%end -%>
diff --git a/template/ruby-gdb.in b/template/ruby-gdb.in
new file mode 100755
index 0000000000..7ab4e976c6
--- /dev/null
+++ b/template/ruby-gdb.in
@@ -0,0 +1,6 @@
+#!/bin/sh
+prefix="/${0%/*}"
+prefix="${prefix%/*}"
+ruby="${bindir}/${RUBY_INSTALL_NAME}"
+gdbinit="${rubylibdir}/gdbinit"
+exec gdb --command="$gdbinit" --args "$ruby" "$@"
diff --git a/template/ruby-lldb.in b/template/ruby-lldb.in
new file mode 100755
index 0000000000..c33603b94d
--- /dev/null
+++ b/template/ruby-lldb.in
@@ -0,0 +1,6 @@
+#!/bin/sh
+prefix="/${0%/*}"
+prefix="${prefix%/*}"
+ruby="${bindir}/${RUBY_INSTALL_NAME}"
+lldbinit="${rubylibdir}/lldb_cruby.py"
+exec lldb -O "command script import $lldbinit" "$ruby" -- "$@"
diff --git a/template/ruby-runner.h.in b/template/ruby-runner.h.in
new file mode 100644
index 0000000000..fdfe88dcb9
--- /dev/null
+++ b/template/ruby-runner.h.in
@@ -0,0 +1,9 @@
+#define ABS_SRCDIR "@abs_srcdir@"
+#define BUILDDIR   "@abs_top_builddir@"
+#define LIBPATHENV "@LIBPATHENV@"
+#define PRELOADENV "@PRELOADENV@"
+#define PATH_SEPARATOR "@PATH_SEPARATOR@"
+#define PATH_SEP   '@PATH_SEPARATOR@'
+#define EXTOUT     "@EXTOUT@"
+#define ARCH       "@arch@"
+#define SOEXT      "@SOEXT@"
diff --git a/template/ruby.pc.in b/template/ruby.pc.in
new file mode 100644
index 0000000000..c4848805a3
--- /dev/null
+++ b/template/ruby.pc.in
@@ -0,0 +1,59 @@
+MAJOR=@MAJOR@
+MINOR=@MINOR@
+TEENY=@TEENY@
+ruby_version=@ruby_version@
+RUBY_API_VERSION=@RUBY_API_VERSION@
+RUBY_PROGRAM_VERSION=@RUBY_PROGRAM_VERSION@
+arch=@arch@
+sitearch=@sitearch@
+
+RUBY_BASE_NAME=@RUBY_BASE_NAME@
+RUBY_VERSION_NAME=@RUBY_VERSION_NAME@
+RUBY_SO_NAME=@RUBY_SO_NAME@
+RUBY_INSTALL_NAME=@RUBY_INSTALL_NAME@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+bindir=@bindir@
+libdir=@libdir@
+includedir=@includedir@
+archlibdir=@archlibdir@
+sitearchlibdir=@sitearchlibdir@
+archincludedir=@archincludedir@
+sitearchincludedir=@sitearchincludedir@
+ruby=${bindir}/${RUBY_INSTALL_NAME}@EXEEXT@
+rubylibprefix=@rubylibprefix@
+rubyarchprefix=@rubyarchprefix@
+rubysitearchprefix=@rubysitearchprefix@
+rubylibdir=@rubylibdir@
+vendordir=@vendordir@
+sitedir=@sitedir@
+vendorlibdir=@vendorlibdir@
+sitelibdir=@sitelibdir@
+rubyarchdir=@rubyarchdir@
+vendorarchdir=@vendorarchdir@
+sitearchdir=@sitearchdir@
+rubyhdrdir=@rubyhdrdir@
+vendorhdrdir=@vendorhdrdir@
+sitehdrdir=@sitehdrdir@
+rubyarchhdrdir=@rubyarchhdrdir@
+vendorarchhdrdir=@vendorarchhdrdir@
+sitearchhdrdir=@sitearchhdrdir@
+MAINLIBS=@MAINLIBS@
+SOEXT=@SOEXT@
+LIBPATH=@LIBPATH@
+LIBRUBY_A=@LIBRUBY_A@
+LIBRUBY_SO=@LIBRUBY_SO@
+LIBRUBY=@LIBRUBY@
+LIBRUBYARG_SHARED=@LIBRUBYARG_SHARED@
+LIBRUBYARG_STATIC=@LIBRUBYARG_STATIC@
+LIBRUBYARG=@LIBRUBYARG@
+LIBS=@LIBS@
+DLDFLAGS=@DLDFLAGS@
+
+Name: Ruby
+Description: Object Oriented Script Language
+Version: ${ruby_version}
+URL: https://www.ruby-lang.org
+Cflags: -I${rubyarchhdrdir} -I${rubyhdrdir}
+Libs: ${DLDFLAGS} ${LIBRUBYARG_SHARED} ${LIBS}
+Requires:
diff --git a/template/sizes.c.tmpl b/template/sizes.c.tmpl
new file mode 100644
index 0000000000..31060f5fea
--- /dev/null
+++ b/template/sizes.c.tmpl
@@ -0,0 +1,54 @@
+%#  -*- c -*-
+#include "ruby/ruby.h"
+<%
+class String
+  def tr_cpp
+    strip.upcase.tr_s("^A-Z0-9_*", "_").tr_s("*", "P")
+  end
+end
+headers = Hash.new {[]}
+sizes = {}
+types = ARGF.grep(/^\s*RUBY_CHECK_SIZEOF\((\w[^\[\],#]*)[^#]*\)|
+                   ^\s*RUBY_DEFINT\((\w[^\[\],#]*)[^#]*\)|
+                   ^\s*have_type\('(.+?)'(?:,\s*%w\[(.+)\])?\)/x) do
+  sizes[type = $3] = true
+  hdrs = $4 and hdrs.split.each {|h| headers[h] <<= type}
+  type || $+
+end
+conditions = {
+  "long long" => 'defined(HAVE_TRUE_LONG_LONG)',
+}
+%>
+% headers.each do |h, type|
+#if <%= type.map {|t| "defined(HAVE_TYPE_#{t.tr_cpp})"}.join(' || ') %>
+# include <<%= h %>>
+#endif
+
+% end
+extern void Init_limits(void);
+void
+Init_sizeof(void)
+{
+    VALUE s = rb_hash_new();
+    rb_define_const(rb_define_module("RbConfig"), "SIZEOF", s);
+
+#define DEFINE(type, size) rb_hash_aset(s, rb_str_new_cstr(#type), INT2FIX(SIZEOF_##size))
+#define DEFINE_SIZE(type) rb_hash_aset(s, rb_str_new_cstr(#type), INT2FIX(sizeof(type)))
+
+% types.each do |type|
+%   if sizes[type]
+#ifdef HAVE_TYPE_<%= type.tr_cpp %>
+    DEFINE_SIZE(<%= type %>);
+#endif
+%     next
+%   end
+%   cond = conditions[type]
+#if defined(SIZEOF_<%= type.tr_cpp %>) && SIZEOF_<%= type.tr_cpp %> != 0<%= " && #{cond}" if cond %>
+    DEFINE(<%= type %>, <%= type.tr_cpp %>);
+#endif
+% end
+    OBJ_FREEZE(s);
+
+#undef DEFINE
+    Init_limits();
+}
diff --git a/template/transdb.h.tmpl b/template/transdb.h.tmpl
new file mode 100644
index 0000000000..990a8639d0
--- /dev/null
+++ b/template/transdb.h.tmpl
@@ -0,0 +1,60 @@
+<%
+#
+# static const rb_transcoder
+# rb_from_US_ASCII = {
+#     "US-ASCII", "UTF-8", &from_US_ASCII, 1, 0,
+#     NULL, NULL,
+# };
+#
+
+count = 0
+converters = {}
+transdirs = ARGV.dup
+transdirs << 'enc/trans' if transdirs.empty?
+
+transdirs = transdirs.sort_by {|td|
+  -td.length
+}.inject([]) {|tds, td|
+  next tds unless File.directory?(td)
+  tds << td if tds.all? {|td2| !File.identical?(td2, td) }
+  tds
+}
+
+files = {}
+names_t = []
+converter_list = []
+transdirs.each do |transdir|
+  names = Dir.entries(transdir)
+  names_t += names.map {|n| /(?!\A)\.trans\z/ =~ n ? $` : nil }.compact
+  names_c = names.map {|n| /(?!\A)\.c\z/ =~ n ? $` : nil }.compact
+  (names_t & names_c).map {|n|
+    "#{n}.c"
+  }.sort_by {|e|
+    e.scan(/(\d+)|(\D+)/).map {|n,a| a||[n.size,n.to_i]}.flatten
+  }.each do |fn|
+    next if files[fn]
+    files[fn] = true
+    path = File.join(transdir,fn)
+    open(path) do |f|
+      transcoder_def = false
+      f.each_line do |line|
+        transcoder_def = true if /^static const rb_transcoder/ =~ line
+        if transcoder_def && /"(.*?)"\s*,\s*"(.*?)"/ =~ line
+          transcoder_def = false
+          from_to = "%s to %s" % [$1, $2]
+          if converters[from_to]
+            raise ArgumentError, '%s:%d: transcode "%s" is already registered at %s:%d' %
+            [path, f.lineno, from_to, *converters[from_to].values_at(3, 4)]
+          else
+            converters[from_to] = [$1, $2, fn[0..-3], path, f.lineno]
+            converter_list << from_to
+          end
+        end
+      end
+    end
+  end
+end
+converter_list.each do |from_to|
+  from, to, fn = *converters[from_to]
+%>rb_declare_transcoder("<%=from%>", "<%=to%>", "<%=fn%>");
+% end
diff --git a/template/unicode_norm_gen.tmpl b/template/unicode_norm_gen.tmpl
new file mode 100644
index 0000000000..a16712fbac
--- /dev/null
+++ b/template/unicode_norm_gen.tmpl
@@ -0,0 +1,220 @@
+%# -*- mode: ruby; coding: utf-8 -*-
+<%
+# Copyright Ayumu Nojima (野島 歩) and Martin J. Dürst (duerst@it.aoyama.ac.jp)
+
+# Script to generate Ruby data structures used in implementing
+# String#unicode_normalize,...
+
+# Constants for input and output directory
+InputDataDir = ARGV[0] || 'enc/unicode/data'
+unicode_version = InputDataDir[/.*\/(\d+\.\d+\.\d+)(?=\/|\z)/, 1]
+
+# convenience methods
+class Integer
+  def to_UTF8() # convert to string, taking legibility into account
+    if self>0xFFFF
+      "\\u{#{to_s(16).upcase}}"
+    elsif self>0x7f
+      "\\u#{to_s(16).upcase.rjust(4, '0')}"
+    else
+      chr.sub(/[\\\"]/, "\\\\\\\&")
+    end
+  end
+end
+
+module Enumerable
+  unless method_defined?(:each_slice)
+    def each_slice(n)
+      ary = []
+      each do |i|
+        ary << i
+        if ary.size >= n
+          yield ary
+          ary = []
+        end
+      end
+      yield ary unless ary.empty?
+      self
+    end
+  end
+end
+
+class Array
+  def to_UTF8() collect {|c| c.to_UTF8}.join('') end
+
+  def each_regexp_chars(n = 1) # converts an array of Integers to character ranges
+    sort.inject([]) do |ranges, value|
+      if ranges.last and ranges.last[1]+1>=value
+        ranges.last[1] = value
+        ranges
+      else
+        ranges << [value, value]
+      end
+    end.collect do |first, last|
+      case last-first
+      when 0
+        first.to_UTF8
+      when 1
+        first.to_UTF8 + last.to_UTF8
+      else
+        first.to_UTF8 + '-' + last.to_UTF8
+      end
+    end.each_slice(n) do |slice|
+      yield slice.join('')
+    end
+  end
+end
+
+# read the file 'CompositionExclusions.txt'
+composition_exclusions = vpath.open("#{InputDataDir}/CompositionExclusions.txt", 'rb') {|f|
+  base = Regexp.quote(File.basename(f.path, '.*'))
+  ext = Regexp.quote(File.extname(f.path))
+  version = (line = f.gets)[/^# *#{base}-([\d.]+)#{ext}\s*$/, 1] or
+    abort "No file version in #{f.path}: #{line}"
+  (unicode_version ||= version) == version or
+    abort "Unicode version of directory (#{unicode_version}) and file (#{version}) mismatch"
+  f.grep(/^[A-Z0-9]{4,5}/) {|code| code.hex}
+}
+
+decomposition_table = {}
+kompatible_table = {}
+combining_class = {}  # constant to allow use in Integer#to_UTF8
+
+# read the file 'UnicodeData.txt'
+vpath.foreach("#{InputDataDir}/UnicodeData.txt") do |line|
+  codepoint, name, _, char_class, _, decomposition, *_rest = line.split(";")
+
+  case decomposition
+  when /^[0-9A-F]/
+    decomposition_table[codepoint.hex] = decomposition.split(' ').collect {|w| w.hex}
+  when /^</
+    kompatible_table[codepoint.hex] = decomposition.split(' ')[1..-1].collect {|w| w.hex}
+  end
+  combining_class[codepoint.hex] = char_class.to_i if char_class != "0"
+
+  if name=~/(First|Last)>$/ and (char_class!="0" or decomposition!="")
+    warn "Unexpected: Character range with data relevant to normalization!"
+  end
+end
+
+# calculate compositions from decompositions
+composition_table = decomposition_table.reject do |character, decomposition|
+  composition_exclusions.member? character or # predefined composition exclusion
+    decomposition.length<=1 or                # Singleton Decomposition
+    combining_class[character] or             # character is not a Starter
+    combining_class[decomposition.first]      # decomposition begins with a character that is not a Starter
+end.invert
+
+# recalculate composition_exclusions
+composition_exclusions = decomposition_table.keys - composition_table.values
+
+accent_array = combining_class.keys + composition_table.keys.collect {|key| key.last}
+
+composition_starters = composition_table.keys.collect {|key| key.first}
+
+hangul_no_trailing = []
+0xAC00.step(0xD7A3, 28) {|c| hangul_no_trailing << c}
+
+# expand decomposition table values
+decomposition_table.each do |key, value|
+  position = 0
+  while position < value.length
+    if decomposition = decomposition_table[value[position]]
+      decomposition_table[key] = value = value.dup # avoid overwriting composition_table key
+      value[position, 1] = decomposition
+    else
+      position += 1
+    end
+  end
+end
+
+# deal with relationship between canonical and kompatibility decompositions
+decomposition_table.each do |key, value|
+  value = value.dup
+  expanded = false
+  position = 0
+  while position < value.length
+    if decomposition = kompatible_table[value[position]]
+      value[position, 1] = decomposition
+      expanded = true
+    else
+      position += 1
+    end
+  end
+  kompatible_table[key] = value if expanded
+end
+
+while kompatible_table.any? {|key, value|
+        expanded = value.map {|v| kompatible_table[v] || v}.flatten
+        kompatible_table[key] = expanded unless value == expanded
+      }
+end
+
+# generate normalization tables file
+%># coding: us-ascii
+# frozen_string_literal: true
+%# >
+
+# automatically generated by template/unicode_norm_gen.tmpl
+
+module UnicodeNormalize  # :nodoc:
+  accents = "" \
+    "[<% accent_array.each_regexp_chars do |rx|%><%=rx%>" \
+    "<% end%>]"
+  ACCENTS = accents
+  REGEXP_D_STRING = "#{''  # composition starters and composition exclusions
+    }" \
+    "[<% (composition_table.values+composition_exclusions).each_regexp_chars do |rx|%><%=rx%>" \
+    "<% end%>]#{accents}*" \
+    "|#{''  # characters that can be the result of a composition, except composition starters
+    }" \
+    "[<% (composition_starters-composition_table.values).each_regexp_chars do |rx|%><%=rx%>" \
+    "<% end%>]?#{accents}+" \
+    "|#{''  # precomposed Hangul syllables
+    }" \
+    "[\u{AC00}-\u{D7A4}]"
+  REGEXP_C_STRING = "#{''  # composition exclusions
+    }" \
+    "[<% composition_exclusions.each_regexp_chars do |rx|%><%=rx%>" \
+    "<% end%>]#{accents}*" \
+    "|#{''  # composition starters and characters that can be the result of a composition
+    }" \
+    "[<% (composition_starters+composition_table.values).each_regexp_chars do |rx|%><%=rx%>" \
+    "<% end%>]?#{accents}+" \
+    "|#{''  # Hangul syllables with separate trailer
+    }" \
+    "[<% hangul_no_trailing.each_regexp_chars do |rx|%><%=rx%>" \
+    "<% end%>][\u11A8-\u11C2]" \
+    "|#{''  # decomposed Hangul syllables
+    }" \
+    "[\u1100-\u1112][\u1161-\u1175][\u11A8-\u11C2]?"
+  REGEXP_K_STRING = "" \
+    "[<% kompatible_table.keys.each_regexp_chars do |rx|%><%=rx%>" \
+    "<%end%>]"
+
+  class_table = {
+% combining_class.each do |key, value|
+    "<%=key.to_UTF8%>"=><%=value%><%=%>,
+% end
+  }
+  class_table.default = 0
+  CLASS_TABLE = class_table.freeze
+
+  DECOMPOSITION_TABLE = {
+% decomposition_table.each do |key, value|
+    "<%=key.to_UTF8%>"=>"<%=value.to_UTF8%>"<%=%>,
+% end
+  }.freeze
+
+  KOMPATIBLE_TABLE = {
+% kompatible_table.each do |key, value|
+    "<%=key.to_UTF8%>"=>"<%=value.to_UTF8%>"<%=%>,
+% end
+  }.freeze
+
+  COMPOSITION_TABLE = {
+% composition_table.each do |key, value|
+    "<%=key.to_UTF8%>"=>"<%=value.to_UTF8%>"<%=%>,
+% end
+  }.freeze
+end
diff --git a/template/verconf.h.tmpl b/template/verconf.h.tmpl
new file mode 100644
index 0000000000..9ba2bd6de5
--- /dev/null
+++ b/template/verconf.h.tmpl
@@ -0,0 +1,63 @@
+% config = File.read(conffile = 'rbconfig.rb')
+% config.sub!(/^(\s*)RUBY_VERSION\b.*(\sor\s*)$/, '\1true\2')
+% rbconfig = Module.new {module_eval(config, conffile)}::RbConfig
+% C = rbconfig::MAKEFILE_CONFIG.dup
+% def C.[](name) str = super and (str unless str.empty?); end
+#define RUBY_BASE_NAME			"${RUBY_BASE_NAME}"
+#define RUBY_VERSION_NAME		"${RUBY_VERSION_NAME}"
+% if C["RUBY_LIB_VERSION_STYLE"]
+#define RUBY_LIB_VERSION_STYLE		${RUBY_LIB_VERSION_STYLE}
+% elsif !C["RUBY_LIB_VERSION"]
+#define RUBY_LIB_VERSION_STYLE		3	/* full */
+% else
+#define RUBY_LIB_VERSION		"${RUBY_LIB_VERSION}"
+% end
+#define RUBY_EXEC_PREFIX		"<%='${RUBY_EXEC_PREFIX}' if C['RUBY_EXEC_PREFIX']%>"
+#define RUBY_LIB_PREFIX 		"${rubylibprefix}"
+% unless (sitearch = C["sitearch"]) == '$(arch)'
+#define RUBY_SITEARCH			"<%=sitearch%>"
+% end
+#define RUBY_ARCH_PREFIX_FOR(arch)	"${rubyarchprefix}"
+#define RUBY_SITEARCH_PREFIX_FOR(arch)	"${rubysitearchprefix}"
+#define RUBY_LIB			"${rubylibdir}"
+#define RUBY_ARCH_LIB_FOR(arch) 	"${rubyarchdir}"
+% if !C["sitedir"] || C["sitedir"] == "no"
+#define NO_RUBY_SITE_LIB		1
+% else
+#define RUBY_SITE_LIB			"${sitedir}"
+#define RUBY_SITE_ARCH_LIB_FOR(arch)	"${sitearchdir}"
+% end
+% if !C["vendordir"] || C["vendordir"] == "no"
+#define NO_RUBY_VENDOR_LIB		1
+% else
+#define RUBY_VENDOR_LIB 		"${vendordir}"
+#define RUBY_VENDOR_ARCH_LIB_FOR(arch)	"${vendorarchdir}"
+% end
+% if C["RUBY_SEARCH_PATH"]
+#define RUBY_SEARCH_PATH		"${RUBY_SEARCH_PATH}"
+% end
+%
+% R = {}
+% R["ruby_version"] = '"RUBY_LIB_VERSION"'
+% R["arch"] = '"arch"'
+% R["sitearch"] = '"arch"'
+% R["vendorlibdir"] = '"RUBY_VENDOR_LIB2"'
+% R["sitelibdir"] = '"RUBY_SITE_LIB2"'
+% R["vendordir"] = '"RUBY_VENDOR_LIB"'
+% R["sitedir"] = '"RUBY_SITE_LIB"'
+% R["rubylibdir"] = '"RUBY_LIB"'
+% R["rubylibprefix"] = '"RUBY_LIB_PREFIX"'
+% R["rubyarchprefix"] = '"RUBY_ARCH_PREFIX_FOR(arch)"'
+% R["rubysitearchprefix"] = '"RUBY_SITEARCH_PREFIX_FOR(arch)"'
+% R["exec_prefix"] = '"RUBY_EXEC_PREFIX"'
+% R["prefix"] = '"RUBY_EXEC_PREFIX"'
+% exec_prefix_pat = /\A"#{Regexp.quote(rbconfig::CONFIG['exec_prefix'])}(?=\/|\z)/
+% _erbout.gsub!(/^(#define\s+(\S+)\s+)(.*)/) {
+%   pre, name, repl = $1, $2, $3
+%   pat = %["#{name}"]
+%   c = C.merge(R.reject {|key, value| key == name or value.include?(pat)})
+%   rbconfig.expand(repl, c)
+%   repl.gsub!(/^""(?!$)|(.)""$/, '\1')
+%   repl.sub!(exec_prefix_pat, 'RUBY_EXEC_PREFIX"')
+%   pre + repl
+% }