diff --git a/tools/build/options/WITHOUT_MITKRB5 b/tools/build/options/WITHOUT_MITKRB5
new file mode 100644
index 000000000000..14a9e5932ef2
--- /dev/null
+++ b/tools/build/options/WITHOUT_MITKRB5
@@ -0,0 +1 @@
+Set this to build KTH Heimdal instead of MIT Kerberos 5.