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      1 # $NetBSD: suff-main-several.mk,v 1.1 2020/11/22 20:36:17 rillig Exp $
      2 #
      3 # Demonstrate that an inference rule is considered the main target if its
      4 # suffixes are not known at the point of declaration.
      5 
      6 .MAKEFLAGS: -dmps
      7 
      8 .1.2 .1.3 .1.4:
      9 	: Making ${.TARGET} from ${.IMPSRC}.
     10 
     11 # At this point, the above targets are normal targets.
     12 # The target '.1.2' is now the default main target.
     13 
     14 next-main:
     15 	: Making ${.TARGET}
     16 
     17 # At this point, 'next-main' is just a regular target.
     18 
     19 .SUFFIXES: .1 .2 .3 .4
     20 
     21 # Since the targets '.1.2', '.1.3' and '.1.4' have now been turned into
     22 # transformation rules, 'next-main' is the default main target now.
     23 
     24 .SUFFIXES: # clear all
     25 
     26 # At this point, 'next-main' is still the default main target, even though
     27 # it is not the first regular target anymore.
     28 
     29 # Define and undefine the suffixes, changing their order.
     30 # XXX: This should have no effect, but as of 2020-11-22, it does.
     31 # For some reason, mentioning the suffixes in reverse order disables them.
     32 .SUFFIXES: .4 .3 .2 .1
     33 .SUFFIXES: # none
     34 .SUFFIXES: .1 .2 .3 .4
     35 .SUFFIXES: # none
     36 .SUFFIXES: .4 .3 .2 .1
     37 
     38 suff-main-several.1:
     39 	: Making ${.TARGET} out of nothing.
     40 next-main: suff-main-several.{2,3,4}
     41 
     42 .MAKEFLAGS: -d0 -dg1
     43