Force CMake to 3.3.2 for SLC5

Closes LBCORE-1588

LbConfiguration/python/LbConfiguration/LbLogin.py

@@ -592,7 +592,18 @@ class LbLoginScript(SourceScript):
             appversion = opts.cmakevers[:lastdot-1] + '-' + opts.cmakevers[lastdot+1:]
             subdir = "CMake/%s/Darwin/CMake %s.app/Contents/bin" % (opts.cmakevers, appversion)
         elif sys.platform.startswith('linux'):
-            subdir = "CMake/%s/Linux-x86_64/bin" % opts.cmakevers
+            # Checking if we are on SLC5 to force CMake 3.3.2, the last one that we have that
+            # works there...
+            cmake_version = opts.cmakevers
+            try:
+                if not self._nativemachine :
+                    self._nativemachine = NativeMachine()
+                dist = self._nativemachine.CMTNativeConfig().split('-')[1]
+                if dist == "slc5":
+                    cmake_version = "3.3.2"
+            except:
+                pass
+            subdir = "CMake/%s/Linux-x86_64/bin" % cmake_version
         else:
             log.debug('CMake is not provided for platform %s', sys.platform)
             return