import Development.Hake
import Development.Hake.FunSetRaw

target = "my_graph.png"

main = hake [

 dflt [ target ]
 ,
 ruleV ".png" [ ".plt", ".dat" ] [ "common.dat" ] $
   \_ (s:_) -> [ [ "gnuplot", s ] ]
 ,
 task "clean" [ [ "rm", "-f", target ] ]

 ]