+### remove pcucontrol from the nodes on f27 and above
+# f27 comes with openssl-11.0g and in this version
+# X509_EXTENSION {aka struct X509_extension_st} has become opaque
+# this is mentioned here
+# https://github.com/openssl/openssl/issues/2239
+# anyway, needs more work
+ifneq "$(DISTRONAME)" "$(filter $(DISTRONAME),f27)"