[PATCH] Don't set $LIB if we're not targetting windows.

[Hans Wennborg]

I'm not sure I understand what's being fixed here.

LLVM's test/lit.cfg seems to just set LIB unconditionally (test/lit.cfg:75).

A little higher up in this file we're conditionally putting INCLUDE in possibly_dangerous_env_vars, which seems to suggest that it that one also gets propagated through (but I can't see where that happens). Shouldn't we have the same logic for INCLUDE and LIB?


http://reviews.llvm.org/D7739

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