# $NetBSD: directive-undef.mk,v 1.3 2020/08/23 19:30:13 rillig Exp $ # # Tests for the .undef directive. # As of 2020-07-28, .undef only undefines the first variable. # All further variable names are silently ignored. # See parse.c, string literal "undef". 1= 1 2= 2 3= 3 .undef 1 2 3 .if ${1:U_}${2:U_}${3:U_} != _23 .warning $1$2$3 .endif all: @:;