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Re: all those pesky math functions


> Checking for those functions consumes much of the time spent in
> 'configure'.  Are those checks the kind that can be safely cached?
> I'm thinking specifically of the DECL_AND_LINKAGE checks (I just now
> saw that rewrite; it's very elegant).

This stuff is not likely to change so yeah. Try to cache it if you can.

-benjamin

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