Preliminary RPackage class (#2761)

var/spack/repos/builtin/packages/r-cluster/package.py

@@ -25,7 +25,7 @@
 from spack import *
 
 
-class RCluster(Package):
+class RCluster(RPackage):
     """Methods for Cluster analysis. Much extended the original from Peter
     Rousseeuw, Anja Struyf and Mia Hubert, based on Kaufman and Rousseeuw
     (1990) "Finding Groups in Data"."""
@@ -35,9 +35,3 @@ class RCluster(Package):
     list_url = "https://cran.r-project.org/src/contrib/Archive/cluster"
 
     version('2.0.4', 'bb4deceaafb1c42bb1278d5d0dc11e59')
-
-    extends('r')
-
-    def install(self, spec, prefix):
-        R('CMD', 'INSTALL', '--library={0}'.format(self.module.r_lib_dir),
-          self.stage.source_path)