Re: [boost] BOOST_NO_CONFIG

From: Douglas Gregor (gregod_at_[hidden])
Date: 2002-12-05 09:22:29

On Thursday 05 December 2002 08:51 am, David Abrahams wrote:
> Douglas Gregor <gregod_at_[hidden]> writes:
>
> F> On Wednesday 04 December 2002 08:53 am, David Abrahams wrote:
> >> It looks like some people (ahem! <wink) have been using
> >> BOOST_NO_CONFIG where they should be using BOOST_STRICT_CONFIG. See
> >> boost/function/function_base.hpp.
> >
> > Oops. Fixed now.
>
> Well, now John Maddock may be quarrelling with you over the correct
> approach. We need to decide how this will work.
>
> -Dave

It seems like places that need BOOST_(STRICT|NO)_CONFIG in the source don't 
fit the documentation for either macro. BOOST_STRICT_CONFIG just tells the 
config system how pessimistic to be w.r.t. new compiler versions. 
BOOST_NO_CONFIG tells the config system not to include any of its 
configuration headers (i.e., don't define any defect/extension macros). 

As it stands now, I think the right way to write 
compiler/library/platform-dependent workarounds is to check for _both_ 
BOOST_STRICT_CONFIG and BOOST_NO_CONFIG. BOOST_STRICT_CONFIG disables the 
workaround when dealing with a new compiler version, whereas BOOST_NO_CONFIG 
disables the workaround when the user has asked not to configure for the 
compiler. Maybe BOOST_NO_CONFIG (actually, BOOST_NO_COMPILER_CONFIG) should 
define BOOST_STRICT_CONFIG?

        Doug