diff --git a/yocto-poky/bitbake/lib/bb/methodpool.py b/yocto-poky/bitbake/lib/bb/methodpool.py
index bf2e9f5..49aed33 100644
--- a/yocto-poky/bitbake/lib/bb/methodpool.py
+++ b/yocto-poky/bitbake/lib/bb/methodpool.py
@@ -19,11 +19,22 @@
 
 from bb.utils import better_compile, better_exec
 
-def insert_method(modulename, code, fn):
+def insert_method(modulename, code, fn, lineno):
     """
     Add code of a module should be added. The methods
     will be simply added, no checking will be done
     """
-    comp = better_compile(code, modulename, fn )
+    comp = better_compile(code, modulename, fn, lineno=lineno)
     better_exec(comp, None, code, fn)
 
+compilecache = {}
+
+def compile_cache(code):
+    h = hash(code)
+    if h in compilecache:
+        return compilecache[h]
+    return None
+
+def compile_cache_add(code, compileobj):
+    h = hash(code)
+    compilecache[h] = compileobj