Preliminary RPackage class (#2761)

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

@@ -25,7 +25,7 @@
 from spack import *
 
 
-class RSparsem(Package):
+class RSparsem(RPackage):
     """Some basic linear algebra functionality for sparse matrices is provided:
         including Cholesky decomposition and backsolving as well as standard R
         subsetting and Kronecker products."""
@@ -35,9 +35,3 @@ class RSparsem(Package):
     list_url = "https://cran.r-project.org/src/contrib/Archive/SparseM"
 
     version('1.7', '7b5b0ab166a0929ef6dcfe1d97643601')
-
-    extends('r')
-
-    def install(self, spec, prefix):
-        R('CMD', 'INSTALL', '--library={0}'.format(self.module.r_lib_dir),
-          self.stage.source_path)