diff --git a/SConstruct b/SConstruct
index e1a9b82c7f..11b95702c3 100644
--- a/SConstruct
+++ b/SConstruct
@@ -9,6 +9,9 @@ import SCons.Errors
 
 SCons.Warnings.warningAsException(True)
 
+# pending upstream fix - https://github.com/SCons/scons/issues/4461
+#SetOption('warn', 'all')
+
 TICI = os.path.isfile('/TICI')
 AGNOS = TICI