1 1.2 rillig make: Bad conditional expression `variable expression == "literal"' in variable expression == "literal"?bad:bad 2 1.3 rillig make: "varmod-ifelse.mk" line 27: Malformed conditional (${${:Uvariable expression} == "literal":?bad:bad}) 3 1.3 rillig make: Bad conditional expression ` == ""' in == ""?bad-assign:bad-assign 4 1.3 rillig make: Bad conditional expression ` == ""' in == ""?bad-cond:bad-cond 5 1.3 rillig make: "varmod-ifelse.mk" line 44: Malformed conditional (${${UNDEF} == "":?bad-cond:bad-cond}) 6 1.2 rillig make: Fatal errors encountered -- cannot continue 7 1.2 rillig make: stopped in unit-tests 8 1.2 rillig exit status 1 9