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