class Bundler::LazySpecification

def __materialize__
  search_object = Bundler.settings[:specific_platform] || Bundler.settings[:force_ruby_platform] ? self : Dependency.new(name, version)
  @specification = if source.is_a?(Source::Gemspec) && source.gemspec.name == name
    source.gemspec.tap {|s| s.source = source }
  else
    search = source.specs.search(search_object).last
    if search && Gem::Platform.new(search.platform) != Gem::Platform.new(platform) && !search.runtime_dependencies.-(dependencies.reject {|d| d.type == :development }).empty?
      Bundler.ui.warn "Unable to use the platform-specific (#{search.platform}) version of #{name} (#{version}) " \
        "because it has different dependencies from the #{platform} version. " \
        "To use the platform-specific version of the gem, run `bundle config specific_platform true` and install again."
      search = source.specs.search(self).last
    end
    search
  end
end