let src = env "%.cpp" and obj = env "%.o" in
let local_include = Depends.cxx src in
let local_dispatch = List.map (fun p -> List.map (fun p' -> p'/p) project_dirs) local_include in
let src = env "%.cpp" and obj = env "%.o" in
let local_include = Depends.cxx src in
let local_dispatch = List.map (fun p -> List.map (fun p' -> p'/p) project_dirs) local_include in