1 files changed, 11 insertions, 0 deletions

diff --git a/bitbake/lib/bb/siggen.py b/bitbake/lib/bb/siggen.py
index 3e2a85fc8c..9c299d45e3 100644
--- a/bitbake/lib/bb/siggen.py
+++ b/bitbake/lib/bb/siggen.py
@@ -48,6 +48,9 @@ class SignatureGenerator(object):
     def get_unihash(self, task):
         return self.taskhash[task]
 
+    def postparsing_clean_cache(self):
+        return
+
     def get_taskhash(self, fn, task, deps, dataCache):
         return "0"
 
@@ -152,6 +155,14 @@ class SignatureGeneratorBasic(SignatureGenerator):
         for task in taskdeps:
             d.setVar("BB_BASEHASH_task-%s" % task, self.basehash[fn + "." + task])
 
+    def postparsing_clean_cache(self):
+        #
+        # After parsing we can remove some things from memory to reduce our memory footprint
+        #
+        self.gendeps = {}
+        self.lookupcache = {}
+        self.taskdeps = {}
+
     def rundep_check(self, fn, recipename, task, dep, depname, dataCache):
         # Return True if we should keep the dependency, False to drop it
         # We only manipulate the dependencies for packages not in the whitelist