Added compiler strategy entry and also added new operating system subclass called CNL for compute node linux (name will probably change because I can't find docs on the EXACT name)

lib/spack/spack/operating_system/cnl.py

@@ -0,0 +1,20 @@
+import spack
+from spack.architecture import OperatingSystem
+
+class ComputeNodeLinux(OperatingSystem):
+    """ Compute Node Linux (CNL) is the operating system used for the Cray XC
+    series super computers. It is a very stripped down version of GNU/Linux.
+    Any compilers found through this operating system will be used with
+    modules. If updated, user must make sure that version and name are 
+    updated to indicate that OS has been upgraded (or downgraded)
+    """
+    def __init__(self):
+        name = 'CNL'
+        version = '10'
+        super(ComputeNodeLinux, self).__init__(name, version, "MODULES")
+
+    def compiler_strategy(self):
+        return self.compiler_strategy
+
+    def find_compilers(self):
+        pass

lib/spack/spack/operating_system/linux_distro.py

@@ -17,9 +17,13 @@ def detect_operating_system():
 
         name, version = detect_operating_system()
             
-        super(LinuxDistro, self).__init__(name, version)
+        super(LinuxDistro, self).__init__(name, version, "PATH")
     
-    @property
     def compiler_strategy(self):
-        return "PATH"
+        return self.compiler_strategy
+
+    def find_compilers(self):
+        pass
+
+    
 

lib/spack/spack/operating_system/mac_osx.py

@@ -34,11 +34,14 @@ def get_mac_release():
 
         name, version = get_mac_release()
 
-        super(MacOSX, self).__init__(name, version)
+        super(MacOSX, self).__init__(name, version, "PATH")
 
-    @property
     def compiler_strategy(self):
-        return "PATH"
+        return self.compiler_strategy
+
+    def find_compilers(self):
+        pass
+