Improved cray architecture class

lib/spack/spack/platforms/cray_xc.py

@@ -2,7 +2,7 @@
 
 from spack.architecture import Platform, Target
 
-class Cray(Platform):
+class CrayXc(Platform):
     priority    = 20
     front_end   = 'sandybridge'
     back_end    = 'ivybridge'
@@ -13,7 +13,7 @@ def __init__(self):
             if we use CRAY_CPU_TARGET as the default. This will ensure
             that if we're on a XC-40 or XC-30 then we can detect the target
         '''
-        super(Cray, self).__init__('cray')
+        super(CrayXc, self).__init__('cray_xc')
 
         # Handle the default here so we can check for a key error
         if 'CRAY_CPU_TARGET' in os.environ:
@@ -24,12 +24,17 @@ def __init__(self):
             self.front_end = self.default
             self.back_end = self.default
 
+
         # Could switch to use modules and fe targets for front end
         # Currently using compilers by path for front end.
-        self.add_target(self.front_end, Target(self.front_end, 'PATH'))
+        self.add_target('sandybridge', Target('sandybridge', 'PATH'))
+        self.add_target('ivybridge', Target('ivybridge', 'MODULES', 'craype-ivybridge'))
+        self.add_target('haswell', Target('haswell', 'MODULES', 'craype-haswell'))
+
+#        self.add_target(self.front_end, Target(self.front_end, 'PATH'))
         # Back End compiler needs the proper target module loaded.
 #        self.add_target(self.back_end, Target(self.front_end, 'MODULES', 'craype-'+ self.back_end))
-        self.add_target(self.default, Target(self.default, 'MODULES', 'craype-' + self.default))
+#        self.add_target(self.default, Target(self.default, 'MODULES', 'craype-' + self.default))
         # This is kludgy and the order matters when the targets are all haswell
         # This is because the last one overwrites the others when they have the
         # same name.