File Content: Rakefile2 # Example Rakefile -*- ruby -*- # Using the power of Ruby task :default => [:main] def ext(fn, newext) fn.sub(/\.[^.]+$/, newext) end SRCFILES = Dir['*.c'] OBJFILES = SRCFILES.collect { |fn| ext(fn,".o") } OBJFILES.each do |objfile| srcfile = ext(objfile, ".c") file objfile => [srcfile] do |t| sh "gcc #{srcfile} -c -o #{t.name}" end end file "main" => OBJFILES do |t| sh "gcc -o #{t.name} main.o a.o b.o" end task :clean do rm_f FileList['*.o'] Dir['*~'].each { |fn| rm_f fn } end task :clobber => [:clean] do rm_f "main" end task :run => ["main"] do sh "./main" end Submit