Remove Context.__hash__

ChangeLog

@@ -14,7 +14,7 @@ NEW IN WAF 1.9
 
 * Performance highlights:
   - Reduce the key size in bld.task_sigs by adding bld.node_sigs and bld.imp_sigs
-  - Remove __hash__ and __eq__ from Node and Task #1629
+  - Remove __hash__ and __eq__ from Context, Node and Task #1629
   - Make lazy visual studio detection the default
   - Remove the uses of run_once that creates unfree-able memory
   - Enable a consistent progress bar output #1641

waflib/Context.py

@@ -179,15 +179,6 @@ class Context(ctx):
 		self.exec_dict = {'ctx':self, 'conf':self, 'bld':self, 'opt':self}
 		self.logger = None
 
-	def __hash__(self):
-		"""
-		Return a hash value for storing context objects in dicts or sets. The value is not persistent.
-
-		:return: hash value
-		:rtype: int
-		"""
-		return id(self)
-
 	def finalize(self):
 		"""
 		Use to free resources such as open files potentially held by the logger