[Scons-users] why are links going in the build cache?

[Tom Tanner (BLOOMBERG/ LONDON)]

I had a poke through our build cache today because somehow or other it had got sufficiently corrupt to make our aix build lock up solid. And i found a whole bunch of soft links in there.

It seems rather unnecessary - as the softlink ppoints to something that doesn't actually exist (as it's a relative path from the directory in which the link was created), the attempt to copy is presumably going to fail, so scons will have to create the link anyway. And if it did point somewhere valid, wouldn't the file be copied to rather than linked?
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