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Re: make cleaning the environment for children
On Sun, 15 Nov 2009 08:51:26 +0000, David Laight writes:
>Adding ".unexport" and ".unexportall" might be safest.
.unexport: for the opposite of .export:
but whether that should touch the inherited environment or not
is another question. I don't making it do that, but would a more
explicit operation be warranted?
Note that this operation will leak memory (at least the 1st time)
so should be used sparingly (I'd protect it with .MAKE.LEVEL == 0)
>Whether you add a : depends on whether you think and older make
>should ignore the request or error it.
Do no harm where possible.
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