Subject: Re: [boost] [config] local types as template params
From: lcaminiti (lorcaminiti_at_[hidden])
Date: 2012-02-21 15:03:03
Vicente Botet wrote
> Le 07/01/12 11:23, Lorenzo Caminiti a Ã©crit :
>> On Thu, Jan 5, 2012 at 1:00 PM, Mathias Gaunard
>> <mathias.gaunard@> wrote:
>>> On 01/02/2012 10:58 AM, Lorenzo Caminiti wrote:
>>>> Hello all,
>>>> Is it possible to add a macro
>>>> BOOST_CONFIG_LOCAL_TYPES_AS_TEMPLATE_PARAMS to Boost.Config to
>>>> indicate if local types can be passed as template parameters?
> I suggest you to follow the process (see
I'm adding a Boost.Config macro for (I had to shorten the name to fit the <
30 chars file length requirement):
// MACRO: BOOST_NO_LOCALS_AS_TPARAMS
// TITLE: local types as template parameters
// DESCRIPTION: If the compiler fails to support local types as template
// parameters. Local types cannot be used as template
// in C++03. However, some C++03 compilers and C++11 accept
// types as template parameters.
I have a couple of questions.
1) The docs say:
cd into libs/config/test/all and run bjam MACRONAME compiler-list, where
MACRONAME is the name of the new macro, and compiler-list is a space
separated list of compilers to test with.
What compiler-list shall I specify? On my machine I only have MSVC 8 and GCC
4.5.3... should this be:
bjam BOOST_NO_LOCALS_AS_TPARAMS msvc gcc
(This doesn't work...)
2) The docs say:
Then you should:
Define the defect macro in those config headers that require it.
How do I know which config herders require the macro? I'd expect to add the
boost_no_locals_as_tparams.ipp and related .cpp to Boost.Config test suite,
commit to trunk, look at the trunk regression test results
from these results determine which compiler and therefore which Boost.Config
header needs the BOOST_NO_LOCALS_AS_TPARAMS definition... However, I don't
think that's the process (so I have committed nothing to Boost.Config in
For example, how would I know if to add the macro to
boost/config/borland.hpp given that I don't have a Borland compiler to run
the BOOST_NO_LOCALS_AS_TPARAMS' test myself?
Thanks a lot.
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