Re: [boost] [config] std::unique_ptr, std::ref detection?

Subject: Re: [boost] [config] std::unique_ptr, std::ref detection?
From: Marshall Clow (mclow.lists_at_[hidden])
Date: 2012-03-02 19:37:14

On Mar 2, 2012, at 1:43 AM, John Maddock wrote:

>> While looking at this, I noticed that we have two macros:
>> BOOST_NO_0X_HDR_INITIALIZER_LIST
>> and BOOST_NO_INITIALIZER_LISTS
>> 
>> There's an old thread from 2009 where the consensus was that "BOOST_NO_INITIALIZER_LISTS" should be removed in favor of the 0X one.
> 
> OK.
> 
>> The only library that is using BOOST_NO_INITIALIZER_LISTS is Boost.Random (and some tests in Boost.Config).
>> 
>> I think I'll make that change first; unless someone complains.
> 
> Suggest you "undocument" BOOST_NO_INITIALIZER_LISTS, remove the test in Boost.Config plus any reference to it in the config/compiler/*.hpp headers but leave it conditionally defined in boost/config/suffix.hpp as:
> 
> #if defined(BOOST_NO_0X_HDR_INITIALIZER_LIST) && !defined(BOOST_NO_INITIALIZER_LISTS)
> #define BOOST_NO_INITIALIZER_LISTS
> #endif
> 
> Then any legacy code out there that's using it won't be broken.

Revision 77157.

I did all this, and added a section in the config docs called "Deprecated Macros"
Please take a look and let me know what I did wrong.

> Same procedure would apply to renaming the *_C0X_* macros: make sure the old deprecated ones are conditionally set in suffix.hpp so that legacy code isn't broken - it also means we can merge Boost.Config to release without worrying about the Boost libraries that depend upon it.

> 
> I guess if we were really tidying up, then a nicely commented section in suffix.hpp for deprecated macros would be nice (there are a few in there already - just don't ask me which ones!).

Right. That's next. ;-)

Since no one has piped up with a preference for CPP vs. CXX, I guess I'll choose. (Fires up the dice)

-- Marshall

Marshall Clow     Idio Software   <mailto:mclow.lists_at_[hidden]>

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