module Xcodeproj::Project::ProjectHelper

def self.configuration_list(project, platform = nil, deployment_target = nil, target_product_type = nil, language = nil)
  cl = project.new(XCConfigurationList)
  cl.default_configuration_is_visible = '0'
  cl.default_configuration_name = 'Release'
  release_conf = project.new(XCBuildConfiguration)
  release_conf.name = 'Release'
  release_conf.build_settings = common_build_settings(:release, platform, deployment_target, target_product_type, language)
  debug_conf = project.new(XCBuildConfiguration)
  debug_conf.name = 'Debug'
  debug_conf.build_settings = common_build_settings(:debug, platform, deployment_target, target_product_type, language)
  cl.build_configurations << release_conf
  cl.build_configurations << debug_conf
  existing_configurations = cl.build_configurations.map(&:name)
  project.build_configurations.each do |configuration|
    next if existing_configurations.include?(configuration.name)
    new_config = project.new(XCBuildConfiguration)
    new_config.name = configuration.name
    new_config.build_settings = common_build_settings(configuration.type, platform, deployment_target, target_product_type, language)
    cl.build_configurations << new_config
  end
  cl
end