1# $NetBSD: cond-op-not.mk,v 1.4 2020/10/24 08:46:08 rillig Exp $ 2# 3# Tests for the ! operator in .if conditions. 4 5# The exclamation mark negates its operand. 6.if !1 7. error 8.endif 9 10# Exclamation marks can be chained. 11# This doesn't happen in practice though. 12.if !!!1 13. error 14.endif 15 16# The ! binds more tightly than the &&. 17.if !!0 && 1 18. error 19.endif 20 21all: 22 @:; 23