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      1 # $NetBSD: suff-clear-regular.mk,v 1.2 2020/12/07 00:53:30 rillig Exp $
      2 #
      3 # https://gnats.netbsd.org/49086, issue 4:
      4 # Suffix rules do not become regular rules when .SUFFIXES is cleared.
      5 
      6 all: .a .a.b .b.a
      7 
      8 .SUFFIXES: .a .b .c
      9 
     10 # At this point, .a and .b are known suffixes, therefore the following
     11 # targets are interpreted as transformation rules.
     12 .a .a.b .b.a:
     13 	: 'Making ${.TARGET} from ${.IMPSRC}.'
     14 
     15 # The empty .SUFFIXES discards all previous suffixes.
     16 # This means the above rules should be turned into regular targets.
     17 .SUFFIXES:
     18 
     19 # XXX: As of 2020-10-20, the result is unexpected.
     20 # XXX: .a.b is still a transformation rule.
     21 # XXX: .a belongs to "Files that are only sources".
     22 # XXX: .a.b belongs to "Files that are only sources".
     23 # XXX: .b.a belongs to "Files that are only sources".
     24 # XXX: .a is listed in "Transformations".
     25 # XXX: .a.b is listed in "Transformations".
     26 # XXX: .b.a is listed in "Transformations".
     27 # XXX: don't know how to make .a
     28 # XXX: don't know how to make .a.b
     29 # XXX: don't know how to make .b.a
     30 #.MAKEFLAGS: -dg1
     31