bitbake/cache: allow class names with arguments to be specified

This ensures we understand e.g. "virtual:multilib:lib64:pn" for multilib.

(Bitbake rev: 0b9dee799cfe2229ec62c257dda36bd6c15d34a9)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/cache.py

@@ -371,8 +371,9 @@ class Cache(object):
         fn = virtualfn
         cls = ""
         if virtualfn.startswith('virtual:'):
-            cls = virtualfn.split(':', 2)[1]
-            fn = virtualfn.replace('virtual:' + cls + ':', '')
+            elems = virtualfn.split(':')
+            cls = ":".join(elems[1:-1])
+            fn = elems[-1]
         return (fn, cls)
 
     @staticmethod