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vardebug.mk revision 1.1 
      1 # $NetBSD: vardebug.mk,v 1.1 2020/07/25 21:19:29 rillig Exp $
      2 #
      3 # Demonstrates the debugging output for var.c.
      4 
      5 RELEVANT=	yes
      6 
      7 VAR=		added		# VarAdd
      8 VAR=		overwritten	# Var_Set
      9 .undef VAR			# Var_Delete (found)
     10 .undef VAR			# Var_Delete (not found)
     11 
     12 # The variable with the empty name cannot be set at all.
     13 ${:U}=		empty name	# Var_Set
     14 ${:U}+=		empty name	# Var_Append
     15 
     16 FROM_CMDLINE=	overwritten	# Var_Set (ignored)
     17 
     18 VAR=		1
     19 VAR+=		2
     20 VAR+=		3
     21 
     22 .if ${VAR:M[2]}			# VarMatch
     23 .endif
     24 .if ${VAR:N[2]}			# VarNoMatch (no debug output)
     25 .endif
     26 
     27 .if ${VAR:S,2,two,}		# VarGetPattern
     28 .endif
     29 
     30 .if ${VAR:Q}			# VarQuote
     31 .endif
     32 
     33 .if ${VAR:tu:tl:Q}		# ApplyModifiers
     34 .endif
     35 
     36 .undef ${:UVAR}			# Var_Delete
     37 
     38 RELEVANT=	no
     39 
     40 all:
     41 	@:
     42