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      1  1.7     sjg # $NetBSD: make-exported.mk,v 1.7 2022/09/09 18:36:15 sjg Exp $
      2  1.1  rillig #
      3  1.1  rillig # As of 2020-08-09, the code in Var_Export is shared between the .export
      4  1.1  rillig # directive and the .MAKE.EXPORTED variable.  This leads to non-obvious
      5  1.1  rillig # behavior for certain variable assignments.
      6  1.1  rillig 
      7  1.6  rillig -env=		make-exported-value-env
      8  1.6  rillig -literal=	make-exported-value-literal
      9  1.1  rillig UT_VAR=		${UNEXPANDED}
     10  1.1  rillig 
     11  1.6  rillig # Before 2020-10-03, the following line took the code path of .export-env,
     12  1.6  rillig # which was surprising behavior.  Since 2020-10-03 this line tries to
     13  1.6  rillig # export the variable named "-env", but that is rejected because the
     14  1.6  rillig # variable name starts with a hyphen.
     15  1.6  rillig .MAKE.EXPORTED=		-env
     16  1.6  rillig 
     17  1.6  rillig # Before 2020-10-03, if the value of .MAKE.EXPORTED started with "-literal",
     18  1.6  rillig # make behaved like a mixture of .export-literal and a regular .export.
     19  1.6  rillig #
     20  1.6  rillig # Since 2020-10-03, the "variable" named "-literal" is not exported anymore,
     21  1.6  rillig # it is just ignored since its name starts with '-'.
     22  1.6  rillig .MAKE.EXPORTED=		-literal UT_VAR
     23  1.1  rillig 
     24  1.1  rillig all:
     25  1.7     sjg 	@env | sort | ${EGREP} '^UT_|make-exported-value' || true
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