1# $NetBSD: directive-undef.mk,v 1.4 2020/10/24 08:46:08 rillig Exp $ 2# 3# Tests for the .undef directive. 4 5# As of 2020-07-28, .undef only undefines the first variable. 6# All further variable names are silently ignored. 7# See parse.c, string literal "undef". 81= 1 92= 2 103= 3 11.undef 1 2 3 12.if ${1:U_}${2:U_}${3:U_} != _23 13. warning $1$2$3 14.endif 15 16all: 17 @:; 18