1 1.3 rillig make: "cond-op-not.mk" line 29: Not empty evaluates to true. 2 1.3 rillig make: "cond-op-not.mk" line 37: Not space evaluates to false. 3 1.3 rillig make: "cond-op-not.mk" line 41: Not 0 evaluates to true. 4 1.3 rillig make: "cond-op-not.mk" line 49: Not 1 evaluates to false. 5 1.3 rillig make: "cond-op-not.mk" line 55: Not word evaluates to false. 6 1.1 rillig exit status 0 7