# File lib/rubygems/indexer.rb, line 142
def build_legacy_indicies
index = collect_specs
say "Generating Marshal master index"
Gem.time 'Generated Marshal master index' do
open @marshal_index, 'wb' do |io|
io.write index.dump
end
end
@files << @marshal_index
@files << "#{@marshal_index}.Z"
end