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# $NetBSD: make-exported.mk,v 1.6 2020/10/05 19:27:48 rillig Exp $
#
# As of 2020-08-09, the code in Var_Export is shared between the .export
# directive and the .MAKE.EXPORTED variable. This leads to non-obvious
# behavior for certain variable assignments.
-env= make-exported-value-env
-literal= make-exported-value-literal
UT_VAR= ${UNEXPANDED}
# Before 2020-10-03, the following line took the code path of .export-env,
# which was surprising behavior. Since 2020-10-03 this line tries to
# export the variable named "-env", but that is rejected because the
# variable name starts with a hyphen.
.MAKE.EXPORTED= -env
# Before 2020-10-03, if the value of .MAKE.EXPORTED started with "-literal",
# make behaved like a mixture of .export-literal and a regular .export.
#
# Since 2020-10-03, the "variable" named "-literal" is not exported anymore,
# it is just ignored since its name starts with '-'.
.MAKE.EXPORTED= -literal UT_VAR
all:
@env | sort | egrep '^UT_|make-exported-value' || true
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