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61 lines
1.5 KiB
Makefile
61 lines
1.5 KiB
Makefile
# $NetBSD: cond-func-defined.mk,v 1.10 2023/06/01 20:56:35 rillig Exp $
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#
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# Tests for the defined() function in .if conditions.
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DEF= defined
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${:UA B}= variable name with spaces
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.if !defined(DEF)
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. error
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.endif
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# Horizontal whitespace (space tab) after the opening parenthesis is ignored.
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.if !defined( DEF)
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. error
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.endif
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# Horizontal whitespace (space tab) before the closing parenthesis is ignored.
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.if !defined(DEF )
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. error
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.endif
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# The argument of a function must not directly contain whitespace.
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# expect+1: Missing closing parenthesis for defined()
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.if !defined(A B)
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. error
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.endif
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# If necessary, the whitespace can be generated by a variable expression.
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.if !defined(${:UA B})
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. error
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.endif
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# expect+1: Missing closing parenthesis for defined()
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.if defined(DEF
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. error
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.else
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. error
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.endif
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# Variables from .for loops are not defined.
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# See directive-for.mk for more details.
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.for var in value
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. if defined(var)
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. error
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. else
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# expect+1: In .for loops, variable expressions for the loop variables are
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. info In .for loops, variable expressions for the loop variables are
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# expect+1: substituted at evaluation time. There is no actual variable
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. info substituted at evaluation time. There is no actual variable
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# expect+1: involved, even if it feels like it.
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. info involved, even if it feels like it.
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. endif
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.endfor
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# Neither of the conditions is true. Before July 2020, the right-hand
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# condition was evaluated even though it was irrelevant.
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.if defined(UNDEF) && ${UNDEF:Mx} != ""
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. error
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.endif
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all: .PHONY
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