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libjit/jitruby/setup.rb  view on Meta::CPAN

  def init_installers
    @installer = Installer.new(@config, @ardir, File.expand_path('.'))
  end

  #
  # Hook Script API bases
  #

  def srcdir_root
    @ardir
  end

  def objdir_root
    '.'
  end

  def relpath
    '.'
  end

  #
  # Option Parsing
  #

  def parsearg_global
    while arg = ARGV.shift
      case arg
      when /\A\w+\z/
        setup_rb_error "invalid task: #{arg}" unless valid_task?(arg)
        return arg
      when '-q', '--quiet'
        @config.verbose = false
      when '--verbose'
        @config.verbose = true
      when '--help'
        print_usage $stdout
        exit 0
      when '--version'
        puts "#{File.basename($0)} version #{Version}"
        exit 0
      when '--copyright'
        puts Copyright
        exit 0
      else
        setup_rb_error "unknown global option '#{arg}'"
      end
    end
    nil
  end

  def valid_task?(t)
    valid_task_re() =~ t
  end

  def valid_task_re
    @valid_task_re ||= /\A(?:#{TASKS.map {|task,desc| task }.join('|')})\z/
  end

  def parsearg_no_options
    unless ARGV.empty?
      task = caller(0).first.slice(%r<`parsearg_(\w+)'>, 1)
      setup_rb_error "#{task}: unknown options: #{ARGV.join(' ')}"
    end
  end

  alias parsearg_show       parsearg_no_options
  alias parsearg_setup      parsearg_no_options
  alias parsearg_test       parsearg_no_options
  alias parsearg_clean      parsearg_no_options
  alias parsearg_distclean  parsearg_no_options

  def parsearg_config
    evalopt = []
    set = []
    @config.config_opt = []
    while i = ARGV.shift
      if /\A--?\z/ =~ i
        @config.config_opt = ARGV.dup
        break
      end
      name, value = *@config.parse_opt(i)
      if @config.value_config?(name)
        @config[name] = value
      else
        evalopt.push [name, value]
      end
      set.push name
    end
    evalopt.each do |name, value|
      @config.lookup(name).evaluate value, @config
    end
    # Check if configuration is valid
    set.each do |n|
      @config[n] if @config.value_config?(n)
    end
  end

  def parsearg_install
    @config.no_harm = false
    @config.install_prefix = ''
    while a = ARGV.shift
      case a
      when '--no-harm'
        @config.no_harm = true
      when /\A--prefix=/
        path = a.split(/=/, 2)[1]
        path = File.expand_path(path) unless path[0,1] == '/'
        @config.install_prefix = path
      else
        setup_rb_error "install: unknown option #{a}"
      end
    end
  end

  def print_usage(out)
    out.puts 'Typical Installation Procedure:'
    out.puts "  $ ruby #{File.basename $0} config"
    out.puts "  $ ruby #{File.basename $0} setup"
    out.puts "  # ruby #{File.basename $0} install (may require root privilege)"
    out.puts
    out.puts 'Detailed Usage:'