activate_dependencies

# File lib/rubygems/specification.rb, line 1435
  def activate_dependencies
    unresolved = Gem::Specification.unresolved_deps

    self.runtime_dependencies.each do |spec_dep|
      if loaded = Gem.loaded_specs[spec_dep.name]
        next if spec_dep.matches_spec? loaded

        msg = "can't satisfy '#{spec_dep}', already activated '#{loaded.full_name}'"
        e = Gem::LoadError.new msg
        e.name = spec_dep.name

        raise e
      end

      specs = spec_dep.to_specs

      if specs.size == 1
        specs.first.activate
      else
        name = spec_dep.name
        unresolved[name] = unresolved[name].merge spec_dep
      end
    end

    unresolved.delete self.name
  end