From: David Abrahams (dave_at_[hidden])
Date: 2005-06-27 14:31:36
"ANDREW MARLOW, BLOOMBERG/ LONDON OF" <amarlow1_at_[hidden]> writes:
> ----- Original Message -----
> From: David Abrahams <jamboost_at_[hidden]>
> At: 6/27 16:37
> "ANDREW MARLOW, BLOOMBERG/ LONDON OF" <amarlow1_at_[hidden]> writes:
>> it's a shame we can't take the guts of
>> the X11 utility, makedepend and put it into jam.
>> I know that jam takes several shortcuts when it calculates
>> the dependencies. makedepend does a full job
>> by expanding all the macros to figure out
>> what gets included.
> We have Wave, so we can do it pretty easily. The problem is that we
> have to get all the #defines that the compiler provides automatically
> and those that are passed on the command line into the mix.
> AM> One way to do this would be to introduce a new Jam macro,
?? Jam doesn't have macros
> MACROS, which is the list of -D options. This is similar to
> having HDRS, the list of dirs for which the -I option will be used.
We already have something equivalent to that, but I don't see how it
will help. We want to reliably know which macros are automatically
defined by the compiler so that Wave can figure out exactly what files
end up being #included for any given compilation run.
-- Dave Abrahams Boost Consulting www.boost-consulting.com
Boost-Build list run by bdawes at acm.org, david.abrahams at rcn.com, gregod at cs.rpi.edu, cpdaniel at pacbell.net, john at johnmaddock.co.uk