diff --git a/poky/bitbake/lib/bb/parse/ast.py b/poky/bitbake/lib/bb/parse/ast.py
index 9d20c32..6d7c80b 100644
--- a/poky/bitbake/lib/bb/parse/ast.py
+++ b/poky/bitbake/lib/bb/parse/ast.py
@@ -178,7 +178,7 @@
             funcname = ("__anon_%s_%s" % (self.lineno, self.filename.translate(MethodNode.tr_tbl)))
             self.python = True
             text = "def %s(d):\n" % (funcname) + text
-            bb.methodpool.insert_method(funcname, text, self.filename, self.lineno - len(self.body))
+            bb.methodpool.insert_method(funcname, text, self.filename, self.lineno - len(self.body) - 1)
             anonfuncs = data.getVar('__BBANONFUNCS', False) or []
             anonfuncs.append(funcname)
             data.setVar('__BBANONFUNCS', anonfuncs)
diff --git a/poky/bitbake/lib/bb/parse/parse_py/BBHandler.py b/poky/bitbake/lib/bb/parse/parse_py/BBHandler.py
index e5039e3..9dba5f2 100644
--- a/poky/bitbake/lib/bb/parse/parse_py/BBHandler.py
+++ b/poky/bitbake/lib/bb/parse/parse_py/BBHandler.py
@@ -38,14 +38,15 @@
 # For compatibility
 bb.deprecate_import(__name__, "bb.parse", ["vars_from_file"])
 
-__func_start_regexp__    = re.compile( r"(((?P<py>python)|(?P<fr>fakeroot))\s*)*(?P<func>[\w\.\-\+\{\}\$]+)?\s*\(\s*\)\s*{$" )
-__inherit_regexp__       = re.compile( r"inherit\s+(.+)" )
-__export_func_regexp__   = re.compile( r"EXPORT_FUNCTIONS\s+(.+)" )
-__addtask_regexp__       = re.compile("addtask\s+(?P<func>\w+)\s*((before\s*(?P<before>((.*(?=after))|(.*))))|(after\s*(?P<after>((.*(?=before))|(.*)))))*")
-__deltask_regexp__       = re.compile("deltask\s+(?P<func>\w+)")
-__addhandler_regexp__    = re.compile( r"addhandler\s+(.+)" )
-__def_regexp__           = re.compile( r"def\s+(\w+).*:" )
-__python_func_regexp__   = re.compile( r"(\s+.*)|(^$)" )
+__func_start_regexp__    = re.compile(r"(((?P<py>python)|(?P<fr>fakeroot))\s*)*(?P<func>[\w\.\-\+\{\}\$]+)?\s*\(\s*\)\s*{$" )
+__inherit_regexp__       = re.compile(r"inherit\s+(.+)" )
+__export_func_regexp__   = re.compile(r"EXPORT_FUNCTIONS\s+(.+)" )
+__addtask_regexp__       = re.compile(r"addtask\s+(?P<func>\w+)\s*((before\s*(?P<before>((.*(?=after))|(.*))))|(after\s*(?P<after>((.*(?=before))|(.*)))))*")
+__deltask_regexp__       = re.compile(r"deltask\s+(?P<func>\w+)")
+__addhandler_regexp__    = re.compile(r"addhandler\s+(.+)" )
+__def_regexp__           = re.compile(r"def\s+(\w+).*:" )
+__python_func_regexp__   = re.compile(r"(\s+.*)|(^$)|(^#)" )
+__python_tab_regexp__    = re.compile(r" *\t")
 
 __infunc__ = []
 __inpython__ = False
@@ -160,6 +161,16 @@
 
 def feeder(lineno, s, fn, root, statements, eof=False):
     global __func_start_regexp__, __inherit_regexp__, __export_func_regexp__, __addtask_regexp__, __addhandler_regexp__, __def_regexp__, __python_func_regexp__, __inpython__, __infunc__, __body__, bb, __residue__, __classname__
+
+    # Check tabs in python functions:
+    # - def py_funcname(): covered by __inpython__
+    # - python(): covered by '__anonymous' == __infunc__[0]
+    # - python funcname(): covered by __infunc__[3]
+    if __inpython__ or (__infunc__ and ('__anonymous' == __infunc__[0] or __infunc__[3])):
+        tab = __python_tab_regexp__.match(s)
+        if tab:
+            bb.warn('python should use 4 spaces indentation, but found tabs in %s, line %s' % (root, lineno))
+
     if __infunc__:
         if s == '}':
             __body__.append('')
diff --git a/poky/bitbake/lib/bb/parse/parse_py/ConfHandler.py b/poky/bitbake/lib/bb/parse/parse_py/ConfHandler.py
index 9d3ebe1..ea49f8c 100644
--- a/poky/bitbake/lib/bb/parse/parse_py/ConfHandler.py
+++ b/poky/bitbake/lib/bb/parse/parse_py/ConfHandler.py
@@ -147,7 +147,7 @@
             continue
         s = s.rstrip()
         while s[-1] == '\\':
-            s2 = f.readline().strip()
+            s2 = f.readline().rstrip()
             lineno = lineno + 1
             if (not s2 or s2 and s2[0] != "#") and s[0] == "#" :
                 bb.fatal("There is a confusing multiline, partially commented expression on line %s of file %s (%s).\nPlease clarify whether this is all a comment or should be parsed." % (lineno, fn, s))