Nonrecursive build within gcc directory

Zack Weinberg zackw@Stanford.EDU
Mon Oct 23 18:18:00 GMT 2000


On Mon, Oct 23, 2000 at 08:36:53PM +0200, Marc Espie wrote:
> In article < 20001022181144.T16750@wolery.stanford.edu > you write:
> 
> >While we're on usable make features, does anyone know why
> 
> ># Each language is linked in with a series of hooks (since we can't use `::'
> ># targets).
> 
> >Imake uses :: targets heavily, so I fail to see why we can't.  It
> >would simplify things considerably to use them (Make-lang.in's could
> >slot in directly with no special cleverness in configure).
> 
> I think some old makes don't support :: targets.
> It is POSIX, but it might be that BSD 4.3 didn't have it for instance.
> 
> You should also note that this is a feature that is somewhat devious to
> implement in an efficient way. On many makes, it was added as an afterthought,
> and generates a LOT of new nodes and traffic.

This is good to know.  In the event, I think there's a way to get rid
of the hooks without using :: rules.

zw


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