mirror of
https://github.com/freebsd/freebsd-src
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8b6f73e37b
Changes of interest
o unit-tests: use private TMPDIR to avoid errors from other users
o avoid strdup in mkTempFile
o always use vfork
o job.c: do not create empty shell files in jobs mode
reduce unnecessary calls to waitpid
o cond.c: fix debug output for comparison operators in conditionals
83 lines
1.7 KiB
Makefile
83 lines
1.7 KiB
Makefile
# $NetBSD: cond-token-string.mk,v 1.4 2021/01/21 00:38:28 rillig Exp $
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#
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# Tests for quoted string literals in .if conditions.
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#
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# See also:
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# cond-token-plain.mk
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# Covers string literals without quotes (called "bare words").
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# TODO: Implementation
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# Cover the code in CondParser_String that frees the memory after parsing
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# a variable expression based on an undefined variable.
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.if "" != "${:Uvalue:Z}"
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. error
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.else
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. error
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.endif
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.if x${:Uvalue}
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. error
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.else
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. info xvalue is not defined.
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.endif
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# The 'x' produces a "Malformed conditional" since the left-hand side of a
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# comparison in an .if directive must be either a variable expression, a
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# quoted string literal or a number that starts with a digit.
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.if x${:Uvalue} == ""
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. error
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.else
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. error
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.endif
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# In plain words, a '\' can be used to escape any character, just as in
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# double-quoted string literals. See CondParser_String.
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.if \x${:Uvalue} == "xvalue"
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. info Expected.
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.else
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. error
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.endif
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.MAKEFLAGS: -dc
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# A string in quotes is checked whether it is not empty.
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.if "UNDEF"
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. info The string literal "UNDEF" is not empty.
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.else
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. error
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.endif
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# A space is not empty as well.
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# This differs from many other places where whitespace is trimmed.
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.if " "
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. info The string literal " " is not empty, even though it consists of $\
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whitespace only.
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.else
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. error
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.endif
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.if "${UNDEF}"
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. error
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.else
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. info An undefined variable in quotes expands to an empty string, which $\
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then evaluates to false.
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.endif
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.if "${:Uvalue}"
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. info A nonempty variable expression evaluates to true.
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.else
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. error
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.endif
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.if "${:U}"
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. error
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.else
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. info An empty variable evaluates to false.
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.endif
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.MAKEFLAGS: -d0
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all:
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@:;
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