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directive-unexport.mk revision 1.7 
      1 # $NetBSD: directive-unexport.mk,v 1.7 2020/12/13 01:07:54 rillig Exp $
      2 #
      3 # Tests for the .unexport directive.
      4 #
      5 # Before 2020-12-13, misspelled directives like ".unexporting" or
      6 # ".unexport-en" had not been detected properly.
      7 #
      8 # See also:
      9 #	directive-misspellings.mk
     10 
     11 # First, export 3 variables.
     12 UT_A=	a
     13 UT_B=	b
     14 UT_C=	c
     15 .export UT_A UT_B UT_C
     16 
     17 # Show the exported variables and their values.
     18 .info ${:!env|sort|grep '^UT_'!}
     19 .info ${.MAKE.EXPORTED}
     20 
     21 # XXX: Now try to unexport all of them.  The variables are still exported
     22 # but not mentioned in .MAKE.EXPORTED anymore.
     23 # See the ":N" in Var_UnExport for the implementation.
     24 *=	asterisk
     25 .unexport *
     26 
     27 .info ${:!env|sort|grep '^UT_'!}
     28 .info ${.MAKE.EXPORTED}
     29 
     30 .unexport			# oops: missing argument
     31 
     32 all:
     33 	@:;
     34