diff --git a/var/spack/repos/builtin/packages/netcdf/package.py b/var/spack/repos/builtin/packages/netcdf/package.py
index 579282e7f7..89b40f4a90 100644
--- a/var/spack/repos/builtin/packages/netcdf/package.py
+++ b/var/spack/repos/builtin/packages/netcdf/package.py
@@ -1,5 +1,6 @@
 from spack import *
 
+
 class Netcdf(Package):
     """NetCDF is a set of software libraries and self-describing, machine-independent
     data formats that support the creation, access, and sharing of array-oriented
@@ -44,7 +45,7 @@ def install(self, spec, prefix):
         ]
 
         if '+mpi' in spec:
-            config_args.append('--enable-parallel')
+            config_args.append('--enable-parallel4')
 
         CPPFLAGS.append("-I%s/include" % spec['hdf5'].prefix)
         LDFLAGS.append( "-L%s/lib"     % spec['hdf5'].prefix)
diff --git a/var/spack/repos/builtin/packages/openssl/package.py b/var/spack/repos/builtin/packages/openssl/package.py
index 3b790eca66..345fce0669 100644
--- a/var/spack/repos/builtin/packages/openssl/package.py
+++ b/var/spack/repos/builtin/packages/openssl/package.py
@@ -1,3 +1,5 @@
+import urllib
+
 from spack import *
 
 class Openssl(Package):
@@ -9,9 +11,10 @@ class Openssl(Package):
     homepage = "http://www.openssl.org"
     url      = "http://www.openssl.org/source/openssl-1.0.1h.tar.gz"
 
-    version('1.0.1h', '8d6d684a9430d5cc98a62a5d8fbda8cf')  # Not available
-    version('1.0.2d', '38dd619b2e77cbac69b99f52a053d25a')  # Not available
-    version('1.0.2e', '5262bfa25b60ed9de9f28d5d52d77fc5')  # Not available
+    version('1.0.1h', '8d6d684a9430d5cc98a62a5d8fbda8cf')
+    version('1.0.1r', '1abd905e079542ccae948af37e393d28')
+    version('1.0.2d', '38dd619b2e77cbac69b99f52a053d25a')
+    version('1.0.2e', '5262bfa25b60ed9de9f28d5d52d77fc5')
     version('1.0.2f', 'b3bf73f507172be9292ea2a8c28b659d')
 
     depends_on("zlib")
@@ -39,3 +42,22 @@ def install(self, spec, prefix):
 
         make()
         make("install")
+
+    def url_for_version(self, version):
+        # This URL is computed pinging the place where the latest version is stored. To avoid slowdown
+        # due to repeated pinging, we store the URL in a private attribute
+        openssl_url = getattr(self, '_openssl_url', None)
+
+        if openssl_url is None:
+            latest = 'http://www.openssl.org/source/openssl-{version}.tar.gz'
+            older = 'http://www.openssl.org/source/old/{version_number}/openssl-{version_full}.tar.gz'
+            # Try to use the url where the latest tarballs are stored. If the url does not exist (404), then
+            # return the url for older format
+            version_number = '.'.join([str(x) for x in version[:-1]])
+            older_url = older.format(version_number=version_number, version_full=version)
+            latest_url = latest.format(version=version)
+            response = urllib.urlopen(latest.format(version=version))
+            openssl_url = older_url if response.getcode() == 404 else latest_url
+            self._openssl_url = openssl_url
+
+        return openssl_url