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dir.mk revision 1.11 
      1 # $NetBSD: dir.mk,v 1.11 2023/12/19 19:33:40 rillig Exp $
      2 #
      3 # Tests for dir.c.
      4 
      5 # hide /usr/share/mk from the debug log
      6 .SYSPATH:
      7 .SYSPATH: /
      8 
      9 # Dependency lines may use braces for expansion.
     10 # See DirExpandCurly for the implementation.
     11 all: {one,two,three}
     12 
     13 # XXX: The above dependency line is parsed as a single node named
     14 # "{one,two,three}".  There are no individual targets "one", "two", "three"
     15 # yet.  The node exists but is not a target since it never appeared
     16 # on the left-hand side of a dependency operator.  However, it is listed
     17 # in .ALLTARGETS (which lists all nodes, not only targets).
     18 .if target(one)
     19 .  error
     20 .endif
     21 .if target({one,two,three})
     22 .  error
     23 .endif
     24 .if ${.ALLTARGETS:M{one,two,three}} != "{one,two,three}"
     25 .  error
     26 .endif
     27 
     28 one:
     29 	: 1
     30 two:
     31 	: 2
     32 three:
     33 	: 3
     34 
     35 # The braces may start in the middle of a word.
     36 all: f{our,ive}
     37 
     38 four:
     39 	: 4
     40 five:
     41 	: 5
     42 six:
     43 	: 6
     44 
     45 # Nested braces work as expected since 2020-07-31 19:06 UTC.
     46 # They had been broken at least since 2003-01-01, probably even longer.
     47 all: {{thi,fou}r,fif}teen
     48 
     49 thirteen:
     50 	: 13
     51 fourteen:
     52 	: 14
     53 fifteen:
     54 	: 15
     55 
     56 # There may be multiple brace groups side by side.
     57 all: {pre-,}{patch,configure}
     58 
     59 pre-patch patch pre-configure configure:
     60 	: $@
     61 
     62 # Empty pieces are allowed in the braces.
     63 all: {fetch,extract}{,-post}
     64 
     65 fetch fetch-post extract extract-post:
     66 	: $@
     67 
     68 # The expansions may have duplicates.
     69 # When the source of the dependency line is expanded later, each of the
     70 # expanded words resolves to the same node.
     71 all: dup-{1,1,1,1,1,1,1}
     72 
     73 dup-1:
     74 	: $@
     75 
     76 # Other than in Bash, the braces are also expanded if there is no comma.
     77 all: {{{{{{{{{{single-word}}}}}}}}}}
     78 
     79 single-word:
     80 	: $@
     81 
     82 # Demonstrate debug logging for filename expansion, especially curly braces.
     83 .MAKEFLAGS: -dd
     84 # The below line does not call SearchPath_Expand yet.
     85 # It is expanded only when necessary, that is, when the 'debug' target is
     86 # indeed made.
     87 debug: {{thi,fou}r,fif}twen
     88 # Therefore, keep the debug logging active.
     89 
     90 .PHONY: one two three four five six
     91 .PHONY: thirteen fourteen fifteen
     92 .PHONY: single-word
     93 .PHONY: pre-patch patch pre-configure configure
     94 .PHONY: fetch fetch-post extract extract-post
     95 .PHONY: dup-1 single-word
     96 .PHONY: all
     97