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			380 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			Ruby
		
	
	
		
			Executable file
		
	
	
	
	
			
		
		
	
	
			380 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			Ruby
		
	
	
		
			Executable file
		
	
	
	
	
#!./miniruby -s
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# This script, which is run when ruby is built, generates rbconfig.rb by
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# parsing information from config.status.  rbconfig.rb contains build
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# information for ruby (compiler flags, paths, etc.) and is used e.g. by
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# mkmf to build compatible native extensions.
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# avoid warnings with -d.
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$install_name ||= nil
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$so_name ||= nil
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$unicode_version ||= nil
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$unicode_emoji_version ||= nil
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arch = $arch or raise "missing -arch"
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version = $version or raise "missing -version"
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srcdir = File.expand_path('../..', __FILE__)
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$:.unshift(".")
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mkconfig = File.basename($0)
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fast = {'prefix'=>true, 'ruby_install_name'=>true, 'INSTALL'=>true, 'EXEEXT'=>true}
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win32 = /mswin/ =~ arch
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universal = /universal.*darwin/ =~ arch
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v_fast = []
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v_others = []
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vars = {}
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continued_name = nil
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continued_line = nil
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install_name = nil
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so_name = nil
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File.foreach "config.status" do |line|
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  next if /^#/ =~ line
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  name = nil
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  case line
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  when /^s([%,])@(\w+)@\1(?:\|\#_!!_\#\|)?(.*)\1/
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    name = $2
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    val = $3.gsub(/\\(?=,)/, '')
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  when /^S\["(\w+)"\]\s*=\s*"(.*)"\s*(\\)?$/
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    name = $1
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    val = $2
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    if $3
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      continued_line = [val]
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      continued_name = name
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      next
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    end
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  when /^"(.*)"\s*(\\)?$/
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    next if !continued_line
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    continued_line << $1
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    next if $2
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    continued_line.each {|s| s.sub!(/\\n\z/, "\n")}
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    val = continued_line.join
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    name = continued_name
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    continued_line = nil
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  when /^(?:ac_given_)?INSTALL=(.*)/
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    v_fast << "  CONFIG[\"INSTALL\"] = " + $1 + "\n"
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  end
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  if name
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    case name
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    when /^(?:ac_.*|configure_input|(?:top_)?srcdir|\w+OBJS)$/; next
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    when /^(?:X|(?:MINI|RUN|(?:HAVE_)?BASE|BOOTSTRAP|BTEST)RUBY(?:_COMMAND)?$)/; next
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    when /^INSTALLDOC|TARGET$/; next
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    when /^DTRACE/; next
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    when /^MJIT_(CC|SUPPORT)$/; # pass
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    when /^MJIT_/; next
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    when /^(?:MAJOR|MINOR|TEENY)$/; vars[name] = val; next
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    when /^LIBRUBY_D?LD/; next
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    when /^RUBY_INSTALL_NAME$/; next vars[name] = (install_name = val).dup if $install_name
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    when /^RUBY_SO_NAME$/; next vars[name] = (so_name = val).dup if $so_name
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    when /^arch$/; if val.empty? then val = arch else arch = val end
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    when /^sitearch$/; val = '$(arch)' if val.empty?
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    when /^DESTDIR$/; next
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    when /RUBYGEMS/; next
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    end
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    case val
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    when /^\$\(ac_\w+\)$/; next
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    when /^\$\{ac_\w+\}$/; next
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    when /^\$ac_\w+$/; next
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    end
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    if /^program_transform_name$/ =~ name
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      val.sub!(/\As(\\?\W)(?:\^|\${1,2})\1\1(;|\z)/, '')
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      if val.empty?
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        $install_name ||= "ruby"
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        next
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      end
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      unless $install_name
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        $install_name = "ruby"
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        val.gsub!(/\$\$/, '$')
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        val.scan(%r[\G[\s;]*(/(?:\\.|[^/])*/)?([sy])(\\?\W)((?:(?!\3)(?:\\.|.))*)\3((?:(?!\3)(?:\\.|.))*)\3([gi]*)]) do
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          |addr, cmd, sep, pat, rep, opt|
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          if addr
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            Regexp.new(addr[/\A\/(.*)\/\z/, 1]) =~ $install_name or next
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          end
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          case cmd
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          when 's'
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            pat = Regexp.new(pat, opt.include?('i'))
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            if opt.include?('g')
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              $install_name.gsub!(pat, rep)
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            else
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              $install_name.sub!(pat, rep)
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            end
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          when 'y'
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            $install_name.tr!(Regexp.quote(pat), rep)
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          end
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        end
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      end
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    end
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    eq = win32 && vars[name] ? '<< "\n"' : '='
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    vars[name] = val
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    if name == "configure_args"
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      val.gsub!(/--with-out-ext/, "--without-ext")
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    end
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    val = val.gsub(/\$(?:\$|\{?(\w+)\}?)/) {$1 ? "$(#{$1})" : $&}.dump
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    case name
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    when /^prefix$/
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      val = "(TOPDIR || DESTDIR + #{val})"
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    when /^ARCH_FLAG$/
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      val = "arch_flag || #{val}" if universal
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    when /^UNIVERSAL_ARCHNAMES$/
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      universal, val = val, 'universal' if universal
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    when /^arch$/
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      if universal
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        val.sub!(/universal/, %q[#{arch && universal[/(?:\A|\s)#{Regexp.quote(arch)}=(\S+)/, 1] || '\&'}])
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      end
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    when /^oldincludedir$/
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      val = '"$(SDKROOT)"'+val if /darwin/ =~ arch
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    end
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    v = "  CONFIG[\"#{name}\"] #{eq} #{val}\n"
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    if fast[name]
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      v_fast << v
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    else
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      v_others << v
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    end
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    #case name
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    #when "RUBY_PROGRAM_VERSION"
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    #  version = val[/\A"(.*)"\z/, 1]
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    #end
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  end
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#  break if /^CEOF/
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end
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drive = File::PATH_SEPARATOR == ';'
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def vars.expand(val, config = self)
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  newval = val.gsub(/\$\$|\$\(([^()]+)\)|\$\{([^{}]+)\}/) {
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    var = $&
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    if !(v = $1 || $2)
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      '$'
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    elsif key = config[v = v[/\A[^:]+(?=(?::(.*?)=(.*))?\z)/]]
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      pat, sub = $1, $2
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      config[v] = false
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      config[v] = expand(key, config)
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      key = key.gsub(/#{Regexp.quote(pat)}(?=\s|\z)/n) {sub} if pat
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      key
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    else
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      var
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    end
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  }
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  val.replace(newval) unless newval == val
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  val
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end
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prefix = vars.expand(vars["prefix"] ||= "")
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rubyarchdir = vars.expand(vars["rubyarchdir"] ||= "")
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relative_archdir = rubyarchdir.rindex(prefix, 0) ? rubyarchdir[prefix.size..-1] : rubyarchdir
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puts %[\
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# encoding: ascii-8bit
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# frozen-string-literal: false
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#
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# The module storing Ruby interpreter configurations on building.
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#
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# This file was created by #{mkconfig} when ruby was built.  It contains
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# build information for ruby which is used e.g. by mkmf to build
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# compatible native extensions.  Any changes made to this file will be
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# lost the next time ruby is built.
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module RbConfig
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  RUBY_VERSION.start_with?("#{version[/^[0-9]+\.[0-9]+\./] || version}") or
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    raise "ruby lib version (#{version}) doesn't match executable version (\#{RUBY_VERSION})"
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]
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print "  # Ruby installed directory.\n"
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print "  TOPDIR = File.dirname(__FILE__).chomp!(#{relative_archdir.dump})\n"
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print "  # DESTDIR on make install.\n"
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print "  DESTDIR = ", (drive ? "TOPDIR && TOPDIR[/\\A[a-z]:/i] || " : ""), "'' unless defined? DESTDIR\n"
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print <<'ARCH' if universal
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  arch_flag = ENV['ARCHFLAGS'] || ((e = ENV['RC_ARCHS']) && e.split.uniq.map {|a| "-arch #{a}"}.join(' '))
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  arch = arch_flag && arch_flag[/\A\s*-arch\s+(\S+)\s*\z/, 1]
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ARCH
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print "  universal = #{universal}\n" if universal
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print "  # The hash configurations stored.\n"
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print "  CONFIG = {}\n"
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print "  CONFIG[\"DESTDIR\"] = DESTDIR\n"
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versions = {}
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IO.foreach(File.join(srcdir, "version.h")) do |l|
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  m = /^\s*#\s*define\s+RUBY_(PATCHLEVEL)\s+(-?\d+)/.match(l)
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  if m
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    versions[m[1]] = m[2]
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    break if versions.size == 4
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    next
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  end
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  m = /^\s*#\s*define\s+RUBY_VERSION_(\w+)\s+(-?\d+)/.match(l)
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  if m
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    versions[m[1]] = m[2]
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    break if versions.size == 4
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    next
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  end
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  m = /^\s*#\s*define\s+RUBY_VERSION\s+\W?([.\d]+)/.match(l)
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  if m
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    versions['MAJOR'], versions['MINOR'], versions['TEENY'] = m[1].split('.')
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    break if versions.size == 4
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    next
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  end
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end
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if versions.size != 4
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  IO.foreach(File.join(srcdir, "include/ruby/version.h")) do |l|
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    m = /^\s*#\s*define\s+RUBY_API_VERSION_(\w+)\s+(-?\d+)/.match(l)
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    if m
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      versions[m[1]] ||= m[2]
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      break if versions.size == 4
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      next
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    end
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  end
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end
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%w[MAJOR MINOR TEENY PATCHLEVEL].each do |v|
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  print "  CONFIG[#{v.dump}] = #{(versions[v]||vars[v]).dump}\n"
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end
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dest = drive ? %r'= "(?!\$[\(\{])(?i:[a-z]:)' : %r'= "(?!\$[\(\{])'
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v_disabled = {}
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v_others.collect! do |x|
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  if /^\s*CONFIG\["((?!abs_|old)[a-z]+(?:_prefix|dir))"\]/ === x
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    name = $1
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    if /= "no"$/ =~ x
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      v_disabled[name] = true
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      v_others.delete(name)
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      next
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    end
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    x.sub(dest, '= "$(DESTDIR)')
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  else
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    x
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  end
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end
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v_others.compact!
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if $install_name
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  if install_name and vars.expand("$(RUBY_INSTALL_NAME)") == $install_name
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    $install_name = install_name
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  end
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  v_fast << "  CONFIG[\"ruby_install_name\"] = \"" + $install_name + "\"\n"
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  v_fast << "  CONFIG[\"RUBY_INSTALL_NAME\"] = \"" + $install_name + "\"\n"
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end
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if $so_name
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  if so_name and vars.expand("$(RUBY_SO_NAME)") == $so_name
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    $so_name = so_name
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  end
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  v_fast << "  CONFIG[\"RUBY_SO_NAME\"] = \"" + $so_name + "\"\n"
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end
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print(*v_fast)
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print(*v_others)
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print <<EOS if $unicode_version
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  CONFIG["UNICODE_VERSION"] = #{$unicode_version.dump}
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EOS
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print <<EOS if $unicode_emoji_version
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  CONFIG["UNICODE_EMOJI_VERSION"] = #{$unicode_emoji_version.dump}
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EOS
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print <<EOS if /darwin/ =~ arch
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  CONFIG["SDKROOT"] = ENV["SDKROOT"] || "" # don't run xcrun every time, usually useless.
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EOS
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print <<EOS
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  CONFIG["archdir"] = "$(rubyarchdir)"
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  CONFIG["topdir"] = File.dirname(__FILE__)
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  # Almost same with CONFIG. MAKEFILE_CONFIG has other variable
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  # reference like below.
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  #
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  #   MAKEFILE_CONFIG["bindir"] = "$(exec_prefix)/bin"
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  #
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  # The values of this constant is used for creating Makefile.
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  #
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  #   require 'rbconfig'
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  #
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  #   print <<-END_OF_MAKEFILE
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  #   prefix = \#{Config::MAKEFILE_CONFIG['prefix']}
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  #   exec_prefix = \#{Config::MAKEFILE_CONFIG['exec_prefix']}
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  #   bindir = \#{Config::MAKEFILE_CONFIG['bindir']}
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  #   END_OF_MAKEFILE
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  #
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  #   => prefix = /usr/local
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  #      exec_prefix = $(prefix)
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  #      bindir = $(exec_prefix)/bin  MAKEFILE_CONFIG = {}
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  #
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  # RbConfig.expand is used for resolving references like above in rbconfig.
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  #
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  #   require 'rbconfig'
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  #   p Config.expand(Config::MAKEFILE_CONFIG["bindir"])
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  #   # => "/usr/local/bin"
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  MAKEFILE_CONFIG = {}
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  CONFIG.each{|k,v| MAKEFILE_CONFIG[k] = v.dup}
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  # call-seq:
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  #
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  #   RbConfig.expand(val)         -> string
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  #   RbConfig.expand(val, config) -> string
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  #
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  # expands variable with given +val+ value.
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  #
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  #   RbConfig.expand("$(bindir)") # => /home/foobar/all-ruby/ruby19x/bin
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  def RbConfig::expand(val, config = CONFIG)
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    newval = val.gsub(/\\$\\$|\\$\\(([^()]+)\\)|\\$\\{([^{}]+)\\}/) {
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      var = $&
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      if !(v = $1 || $2)
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	'$'
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      elsif key = config[v = v[/\\A[^:]+(?=(?::(.*?)=(.*))?\\z)/]]
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	pat, sub = $1, $2
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	config[v] = false
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	config[v] = RbConfig::expand(key, config)
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	key = key.gsub(/\#{Regexp.quote(pat)}(?=\\s|\\z)/n) {sub} if pat
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	key
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      else
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	var
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      end
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    }
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    val.replace(newval) unless newval == val
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    val
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  end
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  CONFIG.each_value do |val|
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    RbConfig::expand(val)
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  end
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  # :nodoc:
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  # call-seq:
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  #
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  #   RbConfig.fire_update!(key, val)               -> string
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  #   RbConfig.fire_update!(key, val, mkconf, conf) -> string
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  #
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  # updates +key+ in +mkconf+ with +val+, and all values depending on
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  # the +key+ in +mkconf+.
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  #
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  #   RbConfig::MAKEFILE_CONFIG.values_at("CC", "LDSHARED") # => ["gcc", "$(CC) -shared"]
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  #   RbConfig::CONFIG.values_at("CC", "LDSHARED")          # => ["gcc", "gcc -shared"]
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  #   RbConfig.fire_update!("CC", "gcc-8")                  # => ["CC", "LDSHARED"]
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  #   RbConfig::MAKEFILE_CONFIG.values_at("CC", "LDSHARED") # => ["gcc-8", "$(CC) -shared"]
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  #   RbConfig::CONFIG.values_at("CC", "LDSHARED")          # => ["gcc-8", "gcc-8 -shared"]
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  #
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  # returns updated keys list, or +nil+ if nothing changed.
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  def RbConfig.fire_update!(key, val, mkconf = MAKEFILE_CONFIG, conf = CONFIG)
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    return if mkconf[key] == val
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    mkconf[key] = val
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    keys = [key]
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    deps = []
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    begin
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      re = Regexp.new("\\\\$\\\\((?:%1$s)\\\\)|\\\\$\\\\{(?:%1$s)\\\\}" % keys.join('|'))
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      deps |= keys
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      keys.clear
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      mkconf.each {|k,v| keys << k if re =~ v}
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    end until keys.empty?
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    deps.each {|k| conf[k] = mkconf[k].dup}
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    deps.each {|k| expand(conf[k])}
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    deps
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  end
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  # call-seq:
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  #
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  #   RbConfig.ruby -> path
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  #
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  # returns the absolute pathname of the ruby command.
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  def RbConfig.ruby
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    File.join(
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      RbConfig::CONFIG["bindir"],
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      RbConfig::CONFIG["ruby_install_name"] + RbConfig::CONFIG["EXEEXT"]
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    )
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  end
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end
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CROSS_COMPILING = nil unless defined? CROSS_COMPILING
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EOS
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# vi:set sw=2:
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