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      1  1.6  rillig # $NetBSD: varmod-unique.mk,v 1.6 2021/12/05 22:37:58 rillig Exp $
      2  1.1  rillig #
      3  1.2  rillig # Tests for the :u variable modifier, which discards adjacent duplicate
      4  1.2  rillig # words.
      5  1.1  rillig 
      6  1.6  rillig .if ${1 2 1:L:u} != "1 2 1"
      7  1.6  rillig .  warning The modifier ':u' only merges _adjacent_ duplicate words.
      8  1.3  rillig .endif
      9  1.3  rillig 
     10  1.6  rillig .if ${1 2 2 3:L:u} != "1 2 3"
     11  1.6  rillig .  warning The modifier ':u' must merge adjacent duplicate words.
     12  1.3  rillig .endif
     13  1.3  rillig 
     14  1.6  rillig .if ${:L:u} != ""
     15  1.6  rillig .  warning The modifier ':u' must do nothing with an empty word list.
     16  1.3  rillig .endif
     17  1.3  rillig 
     18  1.6  rillig .if ${   :L:u} != ""
     19  1.5  rillig .  warning The modifier ':u' must normalize the whitespace.
     20  1.5  rillig .endif
     21  1.5  rillig 
     22  1.6  rillig .if ${word:L:u} != "word"
     23  1.6  rillig .  warning The modifier ':u' must do nothing with a single-element word list.
     24  1.3  rillig .endif
     25  1.3  rillig 
     26  1.6  rillig .if ${   word   :L:u} != "word"
     27  1.5  rillig .  warning The modifier ':u' must normalize the whitespace.
     28  1.5  rillig .endif
     29  1.5  rillig 
     30  1.6  rillig .if ${1 1 1 1 1 1 1 1:L:u} != "1"
     31  1.6  rillig .  warning The modifier ':u' must merge _all_ adjacent duplicate words.
     32  1.3  rillig .endif
     33  1.3  rillig 
     34  1.6  rillig .if ${   1    2    1 1  :L:u} != "1 2 1"
     35  1.6  rillig .  warning The modifier ':u' must normalize whitespace between the words.
     36  1.4  rillig .endif
     37  1.4  rillig 
     38  1.6  rillig .if ${1 1 1 1 2:L:u} != "1 2"
     39  1.4  rillig .  warning Duplicate words at the beginning must be merged.
     40  1.4  rillig .endif
     41  1.4  rillig 
     42  1.6  rillig .if ${1 2 2 2 2:L:u} != "1 2"
     43  1.4  rillig .  warning Duplicate words at the end must be merged.
     44  1.3  rillig .endif
     45  1.1  rillig 
     46  1.1  rillig all:
     47