晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 sh-3ll

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sh-3ll 1.0
DIR:/opt/alt/ruby19/lib64/ruby/1.9.1/rubygems/ext/
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Current File : //opt/alt/ruby19/lib64/ruby/1.9.1/rubygems/ext/builder.rb
#--
# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
# All rights reserved.
# See LICENSE.txt for permissions.
#++

class Gem::Ext::Builder

  def self.class_name
    name =~ /Ext::(.*)Builder/
    $1.downcase
  end

  def self.make(dest_path, results)
    unless File.exist? 'Makefile' then
      raise Gem::InstallError, "Makefile not found:\n\n#{results.join "\n"}"
    end

    mf = File.read('Makefile')
    mf = mf.gsub(/^RUBYARCHDIR\s*=\s*\$[^$]*/, "RUBYARCHDIR = #{dest_path}")
    mf = mf.gsub(/^RUBYLIBDIR\s*=\s*\$[^$]*/, "RUBYLIBDIR = #{dest_path}")

    File.open('Makefile', 'wb') {|f| f.print mf}

    # try to find make program from Ruby configure arguments first
    RbConfig::CONFIG['configure_args'] =~ /with-make-prog\=(\w+)/
    make_program = $1 || ENV['make']
    unless make_program then
      make_program = (/mswin/ =~ RUBY_PLATFORM) ? 'nmake' : 'make'
    end

    ['', ' install'].each do |target|
      cmd = "#{make_program}#{target}"
      results << cmd
      results << `#{cmd} #{redirector}`

      raise Gem::InstallError, "make#{target} failed:\n\n#{results}" unless
        $?.success?
    end
  end

  def self.redirector
    '2>&1'
  end

  def self.run(command, results)
    results << command
    results << `#{command} #{redirector}`

    unless $?.success? then
      raise Gem::InstallError, "#{class_name} failed:\n\n#{results.join "\n"}"
    end
  end

end