diff --git a/bitbake/lib/bb/cache.py b/bitbake/lib/bb/cache.py
index ac0c27f922..715da07e8d 100644
--- a/bitbake/lib/bb/cache.py
+++ b/bitbake/lib/bb/cache.py
@@ -43,7 +43,7 @@ except ImportError:
     logger.info("Importing cPickle failed. "
                 "Falling back to a very slow implementation.")
 
-__cache_version__ = "147"
+__cache_version__ = "148"
 
 def getCacheFile(path, filename, data_hash):
     return os.path.join(path, filename + "." + data_hash)
@@ -529,8 +529,11 @@ class Cache(object):
         if hasattr(info_array[0], 'file_checksums'):
             for _, fl in info_array[0].file_checksums.items():
                 for f in fl.split():
-                    if not ('*' in f or os.path.exists(f)):
-                        logger.debug(2, "Cache: %s's file checksum list file %s was removed",
+                    if "*" in f:
+                        continue
+                    f, exist = f.split(":")
+                    if (exist == "True" and not os.path.exists(f)) or (exist == "False" and os.path.exists(f)):
+                        logger.debug(2, "Cache: %s's file checksum list file %s changed",
                                         fn, f)
                         self.remove(fn)
                         return False
diff --git a/bitbake/lib/bb/fetch2/__init__.py b/bitbake/lib/bb/fetch2/__init__.py
index 5b26524f45..190de9ed15 100644
--- a/bitbake/lib/bb/fetch2/__init__.py
+++ b/bitbake/lib/bb/fetch2/__init__.py
@@ -936,22 +936,21 @@ def get_checksum_file_list(d):
         ud = fetch.ud[u]
 
         if ud and isinstance(ud.method, local.Local):
-            ud.setup_localpath(d)
-            f = ud.localpath
-            pth = ud.decodedurl
-            if '*' in pth:
-                f = os.path.join(os.path.abspath(f), pth)
-            if f.startswith(dl_dir):
-                # The local fetcher's behaviour is to return a path under DL_DIR if it couldn't find the file anywhere else
-                if os.path.exists(f):
-                    bb.warn("Getting checksum for %s SRC_URI entry %s: file not found except in DL_DIR" % (d.getVar('PN', True), os.path.basename(f)))
-                else:
-                    bb.warn("Unable to get checksum for %s SRC_URI entry %s: file could not be found" % (d.getVar('PN', True), os.path.basename(f)))
-            filelist.append(f)
+            paths = ud.method.localpaths(ud, d)
+            for f in paths:
+                pth = ud.decodedurl
+                if '*' in pth:
+                    f = os.path.join(os.path.abspath(f), pth)
+                if f.startswith(dl_dir):
+                    # The local fetcher's behaviour is to return a path under DL_DIR if it couldn't find the file anywhere else
+                    if os.path.exists(f):
+                        bb.warn("Getting checksum for %s SRC_URI entry %s: file not found except in DL_DIR" % (d.getVar('PN', True), os.path.basename(f)))
+                    else:
+                        bb.warn("Unable to get checksum for %s SRC_URI entry %s: file could not be found" % (d.getVar('PN', True), os.path.basename(f)))
+                filelist.append(f + ":" + str(os.path.exists(f)))
 
     return " ".join(filelist)
 
-
 def get_file_checksums(filelist, pn):
     """Get a list of the checksums for a list of local files
 
@@ -981,6 +980,10 @@ def get_file_checksums(filelist, pn):
 
     checksums = []
     for pth in filelist.split():
+        exist = pth.split(":")[1]
+        if exist == "False":
+            continue
+        pth = pth.split(":")[0]
         if '*' in pth:
             # Handle globs
             for f in glob.glob(pth):
@@ -988,14 +991,12 @@ def get_file_checksums(filelist, pn):
                     checksums.extend(checksum_dir(f))
                 else:
                     checksum = checksum_file(f)
-                    if checksum:
-                        checksums.append((f, checksum))
+                    checksums.append((f, checksum))
         elif os.path.isdir(pth):
             checksums.extend(checksum_dir(pth))
         else:
             checksum = checksum_file(pth)
-            if checksum:
-                checksums.append((pth, checksum))
+            checksums.append((pth, checksum))
 
     checksums.sort(key=operator.itemgetter(1))
     return checksums
diff --git a/bitbake/lib/bb/siggen.py b/bitbake/lib/bb/siggen.py
index 0c77d72112..a0e70a8ee4 100644
--- a/bitbake/lib/bb/siggen.py
+++ b/bitbake/lib/bb/siggen.py
@@ -185,7 +185,8 @@ class SignatureGeneratorBasic(SignatureGenerator):
             checksums = bb.fetch2.get_file_checksums(dataCache.file_checksums[fn][task], recipename)
             for (f,cs) in checksums:
                 self.file_checksum_values[k][f] = cs
-                data = data + cs
+                if cs:
+                    data = data + cs
 
         taskdep = dataCache.task_deps[fn]
         if 'nostamp' in taskdep and task in taskdep['nostamp']: