26 lines
554 B
Makefile
26 lines
554 B
Makefile
# $NetBSD: varname-dot-shell.mk,v 1.2 2020/08/23 09:28:52 rillig Exp $
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#
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# Tests for the special .SHELL variable, which contains the shell used for
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# running the commands.
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#
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# This variable is read-only.
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ORIG_SHELL:= ${.SHELL}
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.SHELL= overwritten
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.if ${.SHELL} != ${ORIG_SHELL}
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.error
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.endif
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# Trying to delete the variable.
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# This has no effect since the variable is not defined in the global context,
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# but in the command-line context.
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.undef .SHELL
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.SHELL= newly overwritten
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.if ${.SHELL} != ${ORIG_SHELL}
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.error
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.endif
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all:
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@echo ${.SHELL:M*}
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