mirror of
https://github.com/freebsd/freebsd-src
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308a28d6cd
Relevant/interesting changes:
o parse.c: fix out-of-bounds read when parsing an invalid line
https://bugs.freebsd.org/265119
fix memory leak in wildcard targets and sources
fix off-by-one error in buffer for .WAIT nodes
o allow to randomize build order of targets
.MAKE.MODE += randomize-targets can help uncover dependency bugs
58 lines
1.3 KiB
Makefile
58 lines
1.3 KiB
Makefile
# $NetBSD: cond-func-defined.mk,v 1.9 2022/05/08 06:51:27 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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${:UA B}= variable name with spaces
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.if !defined(DEF)
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. error
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.endif
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# Horizontal whitespace (space tab) after the opening parenthesis is ignored.
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.if !defined( DEF)
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. error
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.endif
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# Horizontal whitespace (space tab) before the closing parenthesis is ignored.
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.if !defined(DEF )
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. error
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.endif
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# The argument of a function must not directly contain whitespace.
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.if !defined(A B)
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. error
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.endif
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# If necessary, the whitespace can be generated by a variable expression.
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.if !defined(${:UA B})
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. error
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.endif
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# Parse error: missing closing parenthesis; see ParseWord.
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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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. info In .for loops, variable expressions for the loop variables are
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. info substituted at evaluation time. There is no actual variable
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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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