Overhaul of compression libraries

var/spack/repos/builtin/packages/nettle/package.py

@@ -29,9 +29,10 @@ class Nettle(Package):
     """The Nettle package contains the low-level cryptographic library
     that is designed to fit easily in many contexts."""
 
-    homepage = "http://www.example.com"
+    homepage = "https://www.lysator.liu.se/~nisse/nettle/"
     url      = "http://ftp.gnu.org/gnu/nettle/nettle-2.7.1.tar.gz"
 
+    version('3.2', 'afb15b4764ebf1b4e6d06c62bd4d29e4')
     version('2.7', '2caa1bd667c35db71becb93c5d89737f')
 
     depends_on('gmp')
@@ -39,4 +40,5 @@ class Nettle(Package):
     def install(self, spec, prefix):
         configure("--prefix=%s" % prefix)
         make()
+        make("check")
         make("install")