e2eeea75eb
o allow env var MAKE_OBJDIR_CHECK_WRITABLE=no to skip writable checks in InitObjdir. Explicit .OBJDIR target always allows read-only directory. o More code cleanup and refactoring. o More unit tests MFC after: 1 week
83 lines
1.5 KiB
Makefile
83 lines
1.5 KiB
Makefile
# $NetBSD: cond-token-number.mk,v 1.5 2020/11/15 14:58:14 rillig Exp $
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#
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# Tests for number tokens in .if conditions.
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#
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# TODO: Add introduction.
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.if 0
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. error
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.endif
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# Even though -0 is a number and would be accepted by strtod, it is not
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# accepted by the condition parser.
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#
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# See the ch_isdigit call in CondParser_String.
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.if -0
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. error
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.else
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. error
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.endif
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# Even though +0 is a number and would be accepted by strtod, it is not
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# accepted by the condition parser.
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#
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# See the ch_isdigit call in CondParser_String.
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.if +0
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. error
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.else
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. error
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.endif
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# Even though -1 is a number and would be accepted by strtod, it is not
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# accepted by the condition parser.
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#
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# See the ch_isdigit call in CondParser_String.
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.if !-1
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. error
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.else
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. error
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.endif
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# Even though +1 is a number and would be accepted by strtod, it is not
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# accepted by the condition parser.
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#
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# See the ch_isdigit call in CondParser_String.
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.if !+1
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. error
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.else
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. error
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.endif
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# When the number comes from a variable expression though, it may be signed.
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# XXX: This is inconsistent.
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.if ${:U+0}
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. error
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.endif
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# When the number comes from a variable expression though, it may be signed.
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# XXX: This is inconsistent.
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.if !${:U+1}
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. error
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.endif
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# Hexadecimal numbers are accepted.
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.if 0x0
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. error
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.endif
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.if 0x1
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.else
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. error
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.endif
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# This is not a hexadecimal number, even though it has an x.
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# It is interpreted as a string instead, effectively meaning defined(3x4).
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.if 3x4
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.else
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. error
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.endif
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# Ensure that parsing continues until here.
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.info End of the tests.
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all: # nothing
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