# -*- coding: us-ascii -*-

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# frozen-string-literal: false

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# module to create Makefile for extension modules

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# invoke like: ruby -r mkmf extconf.rb

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require 'rbconfig'

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require 'fileutils'

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require 'shellwords'

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class String # :nodoc:

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# Wraps a string in escaped quotes if it contains whitespace.

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def quote

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/\s/ =~ self ? "\"#{self}\"" : "#{self}"

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end

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# Escape whitespaces for Makefile.

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def unspace

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gsub(/\s/, '\\\\\\&')

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end

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# Generates a string used as cpp macro name.

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def tr_cpp

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strip.upcase.tr_s("^A-Z0-9_*", "_").tr_s("*", "P")

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end

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def funcall_style

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/\)\z/ =~ self ? dup : "#{self}()"

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end

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def sans_arguments

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self[/\A[^()]+/]

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end

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end

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class Array # :nodoc:

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# Wraps all strings in escaped quotes if they contain whitespace.

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def quote

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map {|s| s.quote}

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end

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end

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##

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# mkmf.rb is used by Ruby C extensions to generate a Makefile which will

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# correctly compile and link the C extension to Ruby and a third-party

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# library.

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module MakeMakefile

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#### defer until this module become global-state free.

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# def self.extended(obj)

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# obj.init_mkmf

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# super

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# end

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#

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# def initialize(*args, rbconfig: RbConfig, **rest)

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# init_mkmf(rbconfig::MAKEFILE_CONFIG, rbconfig::CONFIG)

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# super(*args, **rest)

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# end

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##

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# The makefile configuration using the defaults from when Ruby was built.

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CONFIG = RbConfig::MAKEFILE_CONFIG

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ORIG_LIBPATH = ENV['LIB']

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##

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# Extensions for files compiled with a C compiler

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C_EXT = %w[c m]

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##

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# Extensions for files compiled with a C++ compiler

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CXX_EXT = %w[cc mm cxx cpp]

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unless File.exist?(File.join(*File.split(__FILE__).tap {|d, b| b.swapcase}))

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CXX_EXT.concat(%w[C])

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end

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##

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# Extensions for source files

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SRC_EXT = C_EXT + CXX_EXT

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##

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# Extensions for header files

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HDR_EXT = %w[h hpp]

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$static = nil

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$config_h = '$(arch_hdrdir)/ruby/config.h'

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$default_static = $static

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unless defined? $configure_args

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$configure_args = {}

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args = CONFIG["configure_args"]

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if ENV["CONFIGURE_ARGS"]

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args << " " << ENV["CONFIGURE_ARGS"]

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end

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for arg in Shellwords::shellwords(args)

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arg, val = arg.split('=', 2)

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next unless arg

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arg.tr!('_', '-')

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if arg.sub!(/^(?!--)/, '--')

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val or next

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arg.downcase!

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end

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next if /^--(?:top|topsrc|src|cur)dir$/ =~ arg

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$configure_args[arg] = val || true

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end

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for arg in ARGV

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arg, val = arg.split('=', 2)

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next unless arg

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arg.tr!('_', '-')

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if arg.sub!(/^(?!--)/, '--')

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val or next

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arg.downcase!

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end

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$configure_args[arg] = val || true

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end

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end

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$libdir = CONFIG["libdir"]

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$rubylibdir = CONFIG["rubylibdir"]

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$archdir = CONFIG["archdir"]

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$sitedir = CONFIG["sitedir"]

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$sitelibdir = CONFIG["sitelibdir"]

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$sitearchdir = CONFIG["sitearchdir"]

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$vendordir = CONFIG["vendordir"]

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$vendorlibdir = CONFIG["vendorlibdir"]

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$vendorarchdir = CONFIG["vendorarchdir"]

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$mswin = /mswin/ =~ RUBY_PLATFORM

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$mingw = /mingw/ =~ RUBY_PLATFORM

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$cygwin = /cygwin/ =~ RUBY_PLATFORM

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$netbsd = /netbsd/ =~ RUBY_PLATFORM

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$haiku = /haiku/ =~ RUBY_PLATFORM

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$solaris = /solaris/ =~ RUBY_PLATFORM

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$universal = /universal/ =~ RUBY_PLATFORM

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$dest_prefix_pattern = (File::PATH_SEPARATOR == ';' ? /\A([[:alpha:]]:)?/ : /\A/)

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# :stopdoc:

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def config_string(key, config = CONFIG)

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s = config[key] and !s.empty? and block_given? ? yield(s) : s

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end

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module_function :config_string

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def dir_re(dir)

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Regexp.new('\$(?:\('+dir+'\)|\{'+dir+'\})(?:\$(?:\(target_prefix\)|\{target_prefix\}))?')

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end

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module_function :dir_re

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def relative_from(path, base)

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dir = File.join(path, "")

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if File.expand_path(dir) == File.expand_path(dir, base)

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path

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else

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File.join(base, path)

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end

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end

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INSTALL_DIRS = [

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[dir_re('commondir'), "$(RUBYCOMMONDIR)"],

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[dir_re('sitedir'), "$(RUBYCOMMONDIR)"],

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[dir_re('vendordir'), "$(RUBYCOMMONDIR)"],

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[dir_re('rubylibdir'), "$(RUBYLIBDIR)"],

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[dir_re('archdir'), "$(RUBYARCHDIR)"],

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[dir_re('sitelibdir'), "$(RUBYLIBDIR)"],

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[dir_re('vendorlibdir'), "$(RUBYLIBDIR)"],

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[dir_re('sitearchdir'), "$(RUBYARCHDIR)"],

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[dir_re('vendorarchdir'), "$(RUBYARCHDIR)"],

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[dir_re('rubyhdrdir'), "$(RUBYHDRDIR)"],

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[dir_re('sitehdrdir'), "$(SITEHDRDIR)"],

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[dir_re('vendorhdrdir'), "$(VENDORHDRDIR)"],

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[dir_re('bindir'), "$(BINDIR)"],

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]

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def install_dirs(target_prefix = nil)

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if $extout and $extmk

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dirs = [

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['BINDIR', '$(extout)/bin'],

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['RUBYCOMMONDIR', '$(extout)/common'],

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['RUBYLIBDIR', '$(RUBYCOMMONDIR)$(target_prefix)'],

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['RUBYARCHDIR', '$(extout)/$(arch)$(target_prefix)'],

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['HDRDIR', '$(extout)/include/ruby$(target_prefix)'],

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['ARCHHDRDIR', '$(extout)/include/$(arch)/ruby$(target_prefix)'],

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['extout', "#$extout"],

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['extout_prefix', "#$extout_prefix"],

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]

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elsif $extmk

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dirs = [

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['BINDIR', '$(bindir)'],

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['RUBYCOMMONDIR', '$(rubylibdir)'],

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['RUBYLIBDIR', '$(rubylibdir)$(target_prefix)'],

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['RUBYARCHDIR', '$(archdir)$(target_prefix)'],

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['HDRDIR', '$(rubyhdrdir)/ruby$(target_prefix)'],

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['ARCHHDRDIR', '$(rubyhdrdir)/$(arch)/ruby$(target_prefix)'],

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]

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elsif $configure_args.has_key?('--vendor')

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dirs = [

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['BINDIR', '$(bindir)'],

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['RUBYCOMMONDIR', '$(vendordir)$(target_prefix)'],

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['RUBYLIBDIR', '$(vendorlibdir)$(target_prefix)'],

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['RUBYARCHDIR', '$(vendorarchdir)$(target_prefix)'],

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['HDRDIR', '$(vendorhdrdir)$(target_prefix)'],

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['ARCHHDRDIR', '$(vendorarchhdrdir)$(target_prefix)'],

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]

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else

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dirs = [

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['BINDIR', '$(bindir)'],

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['RUBYCOMMONDIR', '$(sitedir)$(target_prefix)'],

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['RUBYLIBDIR', '$(sitelibdir)$(target_prefix)'],

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['RUBYARCHDIR', '$(sitearchdir)$(target_prefix)'],

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['HDRDIR', '$(sitehdrdir)$(target_prefix)'],

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['ARCHHDRDIR', '$(sitearchhdrdir)$(target_prefix)'],

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]

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end

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dirs << ['target_prefix', (target_prefix ? "/#{target_prefix}" : "")]

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dirs

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end

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def map_dir(dir, map = nil)

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map ||= INSTALL_DIRS

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map.inject(dir) {|d, (orig, new)| d.gsub(orig, new)}

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end

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topdir = File.dirname(File.dirname(__FILE__))

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path = File.expand_path($0)

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until (dir = File.dirname(path)) == path

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if File.identical?(dir, topdir)

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$extmk = true if %r"\A(?:ext|enc|tool|test)\z" =~ File.basename(path)

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break

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end

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path = dir

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end

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$extmk ||= false

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if not $extmk and File.exist?(($hdrdir = RbConfig::CONFIG["rubyhdrdir"]) + "/ruby/ruby.h")

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$topdir = $hdrdir

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$top_srcdir = $hdrdir

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$arch_hdrdir = RbConfig::CONFIG["rubyarchhdrdir"]

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elsif File.exist?(($hdrdir = ($top_srcdir ||= topdir) + "/include") + "/ruby.h")

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$topdir ||= RbConfig::CONFIG["topdir"]

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$arch_hdrdir = "$(extout)/include/$(arch)"

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else

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abort <<MESSAGE

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mkmf.rb can't find header files for ruby at #{$hdrdir}/ruby.h

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You might have to install separate package for the ruby development

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environment, ruby-dev or ruby-devel for example.

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MESSAGE

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end

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CONFTEST = "conftest".freeze

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CONFTEST_C = "#{CONFTEST}.c"

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OUTFLAG = CONFIG['OUTFLAG']

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COUTFLAG = CONFIG['COUTFLAG']

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CSRCFLAG = CONFIG['CSRCFLAG']

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CPPOUTFILE = config_string('CPPOUTFILE') {|str| str.sub(/\bconftest\b/, CONFTEST)}

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def rm_f(*files)

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opt = (Hash === files.last ? [files.pop] : [])

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FileUtils.rm_f(Dir[*files.flatten], *opt)

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end

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module_function :rm_f

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def rm_rf(*files)

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opt = (Hash === files.last ? [files.pop] : [])

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FileUtils.rm_rf(Dir[*files.flatten], *opt)

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end

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module_function :rm_rf

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# Returns time stamp of the +target+ file if it exists and is newer than or

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# equal to all of +times+.

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def modified?(target, times)

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(t = File.mtime(target)) rescue return nil

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Array === times or times = [times]

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t if times.all? {|n| n <= t}

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end

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def split_libs(*strs)

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sep = $mswin ? /\s+/ : /\s+(?=-|\z)/

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strs.flat_map {|s| s.lstrip.split(sep)}

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end

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def merge_libs(*libs)

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libs.inject([]) do |x, y|

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y = y.inject([]) {|ary, e| ary.last == e ? ary : ary << e}

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y.each_with_index do |v, yi|

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if xi = x.rindex(v)

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x[(xi+1)..-1] = merge_libs(y[(yi+1)..-1], x[(xi+1)..-1])

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x[xi, 0] = y[0...yi]

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break

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end

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end and x.concat(y)

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x

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end

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end

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# This is a custom logging module. It generates an mkmf.log file when you

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# run your extconf.rb script. This can be useful for debugging unexpected

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# failures.

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#

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# This module and its associated methods are meant for internal use only.

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#

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module Logging

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@log = nil

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@logfile = 'mkmf.log'

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@orgerr = $stderr.dup

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@orgout = $stdout.dup

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@postpone = 0

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@quiet = $extmk

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def self::log_open

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@log ||= File::open(@logfile, 'wb')

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@log.sync = true

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end

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def self::log_opened?

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@log and not @log.closed?

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end

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def self::open

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log_open

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$stderr.reopen(@log)

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$stdout.reopen(@log)

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yield

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ensure

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$stderr.reopen(@orgerr)

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$stdout.reopen(@orgout)

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end

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def self::message(*s)

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log_open

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@log.printf(*s)

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end

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def self::logfile file

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@logfile = file

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log_close

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end

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def self::log_close

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if @log and not @log.closed?

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@log.flush

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@log.close

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@log = nil

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end

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end

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def self::postpone

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tmplog = "mkmftmp#{@postpone += 1}.log"

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open do

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log, *save = @log, @logfile, @orgout, @orgerr

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@log, @logfile, @orgout, @orgerr = nil, tmplog, log, log

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begin

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log.print(open {yield @log})

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ensure

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@log.close if @log and not @log.closed?

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File::open(tmplog) {|t| FileUtils.copy_stream(t, log)} if File.exist?(tmplog)

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@log, @logfile, @orgout, @orgerr = log, *save

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@postpone -= 1

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MakeMakefile.rm_f tmplog

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end

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end

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end

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class << self

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attr_accessor :quiet

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end

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end

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def libpath_env

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# used only if native compiling

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if libpathenv = config_string("LIBPATHENV")

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pathenv = ENV[libpathenv]

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libpath = RbConfig.expand($DEFLIBPATH.join(File::PATH_SEPARATOR))

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{libpathenv => [libpath, pathenv].compact.join(File::PATH_SEPARATOR)}

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else

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{}

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end

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end

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def expand_command(commands, envs = libpath_env)

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varpat = /\$\((\w+)\)|\$\{(\w+)\}/

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vars = nil

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expand = proc do |command|

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case command

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when Array

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command.map(&expand)

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when String

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if varpat =~ command

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vars ||= Hash.new {|h, k| h[k] = ENV[k]}

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command = command.dup

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nil while command.gsub!(varpat) {vars[$1||$2]}

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end

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command

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else

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command

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end

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end

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if Array === commands

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env, *commands = commands if Hash === commands.first

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envs.merge!(env) if env

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end

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return envs, expand[commands]

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end

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def env_quote(envs)

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envs.map {|e, v| "#{e}=#{v.quote}"}

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end

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def xsystem command, opts = nil

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env, command = expand_command(command)

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Logging::open do

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puts [env_quote(env), command.quote].join(' ')

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if opts and opts[:werror]

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result = nil

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Logging.postpone do |log|

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output = IO.popen(env, command, &:read)

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result = ($?.success? and File.zero?(log.path))

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output

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end

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result

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else

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system(env, *command)

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end

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end

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end

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def xpopen command, *mode, &block

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env, commands = expand_command(command)

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command = [env_quote(env), command].join(' ')

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Logging::open do

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case mode[0]

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when nil, Hash, /^r/

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puts "#{command} |"

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else

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puts "| #{command}"

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end

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IO.popen(env, commands, *mode, &block)

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end

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end

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def log_src(src, heading="checked program was")

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src = src.split(/^/)

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fmt = "%#{src.size.to_s.size}d: %s"

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Logging::message <<"EOM"

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#{heading}:

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/* begin */

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EOM

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src.each_with_index {|line, no| Logging::message fmt, no+1, line}

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Logging::message <<"EOM"

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/* end */

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EOM

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end

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def conftest_source

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CONFTEST_C

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end

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def create_tmpsrc(src)

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src = "#{COMMON_HEADERS}\n#{src}"

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src = yield(src) if block_given?

[461] Fix | Delete

src.gsub!(/[ \t]+$/, '')

[462] Fix | Delete

src.gsub!(/\A\n+|^\n+$/, '')

[463] Fix | Delete

src.sub!(/[^\n]\z/, "\\&\n")

[464] Fix | Delete

count = 0

[465] Fix | Delete

begin

[466] Fix | Delete

File.open(conftest_source, "wb") do |cfile|

[467] Fix | Delete

cfile.print src

[468] Fix | Delete

end

[469] Fix | Delete

rescue Errno::EACCES

[470] Fix | Delete

if (count += 1) < 5

[471] Fix | Delete

sleep 0.2

[472] Fix | Delete

retry

[473] Fix | Delete

end

[474] Fix | Delete

end

[475] Fix | Delete

src

[476] Fix | Delete

end

[477] Fix | Delete

[478] Fix | Delete

def have_devel?

[479] Fix | Delete

unless defined? $have_devel

[480] Fix | Delete

$have_devel = true

[481] Fix | Delete

$have_devel = try_link(MAIN_DOES_NOTHING)

[482] Fix | Delete

end

[483] Fix | Delete

$have_devel

[484] Fix | Delete

end

[485] Fix | Delete

[486] Fix | Delete

def try_do(src, command, *opts, &b)

[487] Fix | Delete

unless have_devel?

[488] Fix | Delete

raise <<MSG

[489] Fix | Delete

The compiler failed to generate an executable file.

[490] Fix | Delete

You have to install development tools first.

[491] Fix | Delete

MSG

[492] Fix | Delete

end

[493] Fix | Delete

begin

[494] Fix | Delete

src = create_tmpsrc(src, &b)

[495] Fix | Delete

xsystem(command, *opts)

[496] Fix | Delete

ensure

[497] Fix | Delete

log_src(src)

[498] Fix | Delete

end

[499] Fix | Delete