1 # $NetBSD: directive-undef.mk,v 1.4 2020/10/24 08:46:08 rillig Exp $
3 # Tests for the .undef directive.
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".
12 .if ${1:U_}${2:U_}${3:U_} != _23