Headers including headers and precompilation

[Rob Landley]

On Friday 31 March 2006 1:12 pm, Devin Bayer wrote:
> > but it also brings lots of unnecessary symbols and
> > definitions into the namespace of each file, increasing memory
> > requirements to compile, decreasing speed,
>
> I assume you mean decreasing compile speed.  Wrong.  On a modern system
> it's faster to use precompiled headers for the entire system then to use
> even a single un-precompiled header.

The ironic part is that this: 
http://busybox.net/cgi-bin/viewcvs.cgi?rev=10945&view=rev

Sped up compilation by at least a factor of three, and that bug was in the 
tree for _years_ before anybody actually noticed it.

Rob
-- 
Never bet against the cheap plastic solution.