1 make: "var-op-expand.mk" line 274: Unknown modifier "s,value,replaced,"
2 make: "var-op-expand.mk" line 278: warning: XXX Neither branch should be taken.
3 make: "var-op-expand.mk" line 283: Unknown modifier "s,value,replaced,"
4 make: "var-op-expand.mk" line 285: warning: XXX Neither branch should be taken.
5 make: Fatal errors encountered -- cannot continue
6 make: stopped in unit-tests