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# $NetBSD: opt-x-reduce-exported.mk,v 1.3 2022/05/08 07:27:50 rillig Exp $
#
# Tests for the -X command line option, which prevents variables passed on the
# command line from being exported to the environment of child commands.
# The variable 'BEFORE' is exported, the variable 'AFTER' isn't.
.MAKEFLAGS: BEFORE=before -X AFTER=after
all: .PHONY ordinary submake
ordinary: .PHONY
@echo 'ordinary:'
@env | sort | grep -e '^BEFORE' -e '^AFTER'
submake: .PHONY
@echo 'submake:'
@${MAKE} -r -f ${MAKEFILE} show-env
show-env: .PHONY
@env | sort | grep -e '^BEFORE' -e '^AFTER'
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