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