let template = Pcre.replace ~pat:"@DEP@" ~templ:mm template in
let template = Pcre.replace ~pat:"@DEPFILE@" ~templ:df template in
let template = Pcre.replace ~pat:"@CLEAN@" ~templ:rm template in
let template = Pcre.replace ~pat:"@DEP@" ~templ:mm template in
let template = Pcre.replace ~pat:"@DEPFILE@" ~templ:df template in
let template = Pcre.replace ~pat:"@CLEAN@" ~templ:rm template in