47 lines
1.2 KiB
Makefile
47 lines
1.2 KiB
Makefile
# $NetBSD: varmod-unique.mk,v 1.6 2021/12/05 22:37:58 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 ${1 2 1:L:u} != "1 2 1"
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. warning The modifier ':u' only merges _adjacent_ duplicate words.
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.endif
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.if ${1 2 2 3:L:u} != "1 2 3"
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. warning The modifier ':u' must merge adjacent duplicate words.
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.endif
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.if ${:L:u} != ""
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. warning The modifier ':u' must do nothing with an empty word list.
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.endif
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.if ${ :L:u} != ""
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. warning The modifier ':u' must normalize the whitespace.
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.endif
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.if ${word:L:u} != "word"
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. warning The modifier ':u' must do nothing with a single-element word list.
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.endif
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.if ${ word :L:u} != "word"
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. warning The modifier ':u' must normalize the whitespace.
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.endif
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.if ${1 1 1 1 1 1 1 1:L:u} != "1"
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. warning The modifier ':u' must merge _all_ adjacent duplicate words.
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.endif
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.if ${ 1 2 1 1 :L:u} != "1 2 1"
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. warning The modifier ':u' must normalize whitespace between the words.
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.endif
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.if ${1 1 1 1 2:L: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 ${1 2 2 2 2:L: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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