1# $NetBSD: make-exported.mk,v 1.7 2022/09/09 18:36:15 sjg Exp $ 2# 3# As of 2020-08-09, the code in Var_Export is shared between the .export 4# directive and the .MAKE.EXPORTED variable. This leads to non-obvious 5# behavior for certain variable assignments. 6 7-env= make-exported-value-env 8-literal= make-exported-value-literal 9UT_VAR= ${UNEXPANDED} 10 11# Before 2020-10-03, the following line took the code path of .export-env, 12# which was surprising behavior. Since 2020-10-03 this line tries to 13# export the variable named "-env", but that is rejected because the 14# variable name starts with a hyphen. 15.MAKE.EXPORTED= -env 16 17# Before 2020-10-03, if the value of .MAKE.EXPORTED started with "-literal", 18# make behaved like a mixture of .export-literal and a regular .export. 19# 20# Since 2020-10-03, the "variable" named "-literal" is not exported anymore, 21# it is just ignored since its name starts with '-'. 22.MAKE.EXPORTED= -literal UT_VAR 23 24all: 25 @env | sort | ${EGREP} '^UT_|make-exported-value' || true 26