Re: [Boost-users] [bcp] [shared_ptr] [wave]Extractingsubsetofboostforshared_ptr - 3.2MB?

From: David Abrahams (dave_at_[hidden])
Date: 2006-02-19 12:01:26

"Hartmut Kaiser" <hartmut.kaiser_at_[hidden]> writes:

>  
> John Maddock wrote:
>
>> > a) Wave can be used to get all the names of the included files 
>> > directly.
>> 
>> Good, but what would be needed is a sort of tri-state for 
>> each define: 
>> defined/not defined/maybe defined.
>
> This one is easy. Just run the tool twice, once with the macro defined and
> once without.

No, the combinatorics make that intractable.  And you want to re-use
common state (when two different settings of a macro leave you with
most of the same preprocessor state).

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com