diff --git a/bitbake/lib/bb/utils.py b/bitbake/lib/bb/utils.py
index 66a8a08c21..bca4830f22 100644
--- a/bitbake/lib/bb/utils.py
+++ b/bitbake/lib/bb/utils.py
@@ -545,7 +545,12 @@ def md5_file(filename):
     Return the hex string representation of the MD5 checksum of filename.
     """
     import hashlib
-    return _hasher(hashlib.new('MD5', usedforsecurity=False), filename)
+    try:
+        sig = hashlib.new('MD5', usedforsecurity=False)
+    except TypeError:
+        # Some configurations don't appear to support two arguments
+        sig = hashlib.new('MD5')
+    return _hasher(sig, filename)
 
 def sha256_file(filename):
     """
diff --git a/bitbake/lib/ply/yacc.py b/bitbake/lib/ply/yacc.py
index 767c4e4674..381b50cf0b 100644
--- a/bitbake/lib/ply/yacc.py
+++ b/bitbake/lib/ply/yacc.py
@@ -2798,7 +2798,14 @@ class ParserReflect(object):
     def signature(self):
         try:
             import hashlib
+        except ImportError:
+            raise RuntimeError("Unable to import hashlib")
+        try:
             sig = hashlib.new('MD5', usedforsecurity=False)
+        except TypeError:
+            # Some configurations don't appear to support two arguments
+            sig = hashlib.new('MD5')
+        try:
             if self.start:
                 sig.update(self.start.encode('latin-1'))
             if self.prec: