module Rake # Makefile loader to be used with the import file loader. class MakefileLoader include Rake::DSL SPACE_MARK = "\0" # Load the makefile dependencies in +fn+. def load(fn) lines = File.read fn lines.gsub!(/\\ /, SPACE_MARK) lines.gsub!(/#[^\n]*\n/m, "") lines.gsub!(/\\\n/, ' ') lines.each_line do |line| process_line(line) end end private # Process one logical line of makefile data. def process_line(line) file_tasks, args = line.split(':', 2) return if args.nil? dependents = args.split.map { |d| respace(d) } file_tasks.scan(/\S+/) do |file_task| file_task = respace(file_task) file file_task => dependents end end def respace(str) str.tr SPACE_MARK, ' ' end end # Install the handler Rake.application.add_loader('mf', MakefileLoader.new) end