# File lib/rspec/core/configuration.rb, line 224 def color_enabled=(bool) return unless bool @color_enabled = true if bool && ::RbConfig::CONFIG['host_os'] =~ /mswin|mingw/ unless ENV['ANSICON'] warn "You must use ANSICON 1.31 or later (http://adoxa.110mb.com/ansicon/) to use colour on Windows" @color_enabled = false end end end