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Re: all those pesky math functions
- To: Gabriel dot Dos-Reis at cmla dot ens-cachan dot fr
- Subject: Re: all those pesky math functions
- From: Phil Edwards <pedwards at disaster dot jaj dot com>
- Date: Wed, 26 Jul 2000 15:52:42 -0400
- Cc: libstdc++ at sources dot redhat dot com
Gabriel Dos Reis <Gabriel.Dos-Reis@cmla.ens-cachan.fr>:
> Phil Edwards <pedwards@disaster.jaj.com> writes:
>
> | Checking for those functions consumes much of the time spent in
> | 'configure'. Are those checks the kind that can be safely cached?
>
> At first sight, I'd say caching them should be OK, but hey I've been
> so repeatedly surprised by those beasts that I can't say with
> confidence that caching is safe. Let's go that way. If it breaks
> then we'll something :-).
Yeah, that actually bit me once, too. I'll go ahead and cache them, and
add a note to the build docs that, when rebuilding, certain lines in the
cache may need to be stripped with sed. Or the cache deleted altogether.
Phil