On Fri, Dec 28, 2012 at 3:29 PM, Rolf Eike Beer <e...@sf-mail.de> wrote:

> Changing the compiler usually will not work anyway. That's why we have
> separate build trees: wipe the whole thing and start again.
>

Yes, I have a habit of runnning

rm -rf * && cmake -DNEW_OPTIONS ..

because changing cache variables (especially compilers, but also far too
many Find*.cmake modules) is hopelessly unreliable. It's a funny interface
and defeats the purpose of having a cache, but at least it's not
chronically broken.
--

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