48 lines
1.2 KiB
Makefile
48 lines
1.2 KiB
Makefile
# $NetBSD: varmod-unique.mk,v 1.5 2021/05/30 20:26:41 rillig Exp $
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#
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# Tests for the :u variable modifier, which discards adjacent duplicate
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# words.
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.if ${:U1 2 1:u} != "1 2 1"
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. warning The :u modifier only merges _adjacent_ duplicate words.
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.endif
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.if ${:U1 2 2 3:u} != "1 2 3"
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. warning The :u modifier must merge adjacent duplicate words.
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.endif
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.if ${:U:u} != ""
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. warning The :u modifier must do nothing with an empty word list.
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.endif
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.if ${:U :u} != ""
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. warning The modifier ':u' must normalize the whitespace.
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.endif
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.if ${:Uword:u} != "word"
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. warning The :u modifier must do nothing with a single-element word list.
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.endif
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.if ${:U word :u} != "word"
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. warning The modifier ':u' must normalize the whitespace.
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.endif
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.if ${:U1 1 1 1 1 1 1 1:u} != "1"
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. warning The :u modifier must merge _all_ adjacent duplicate words.
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.endif
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.if ${:U 1 2 1 1 :u} != "1 2 1"
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. warning The :u modifier must normalize whitespace between the words.
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.endif
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.if ${:U1 1 1 1 2:u} != "1 2"
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. warning Duplicate words at the beginning must be merged.
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.endif
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.if ${:U1 2 2 2 2:u} != "1 2"
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. warning Duplicate words at the end must be merged.
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.endif
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all:
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@:;
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