2014-06-03 12:35 GMT+02:00 Adam Wulkiewicz <adam.wulkiewicz@gmail.com>:

2014-06-03 7:53 GMT+02:00 Menelaos Karavelas <menelaos.karavelas@gmail.com>:

Hi Adam.

On 03/06/2014 01:15 πμ, Adam Wulkiewicz wrote:

For those of you which doesn't follow the discussion on Boost developers mailing list. We now have a new module, Boost.Core. It's a module for various light-weight tools with nearly no dependencies. Headers from Utility, Detail, etc. are being moved into it.

Today the new tool was added - boost::ignore_unused(). More or less it's upgraded boost::ignore_unused_variable_warning(). It allows handling more unused variables than one and unused typedefs as well. Like this:

#include <boost/core/ignore_unused.hpp>

// ...

boost::ignore_unused(v1, v2, v3);
boost::ignore_unused<T1, T2, T3>();

I'd like to use it to fix GCC >=4.8 unused local typedefs warnings (in strategies concept checks). This means that in order to properly build tests you'd need to update ModularBoost (and if needed manually initialize the new module - I was forced to do it on Windows but maybe I did something wrong).

Are you ok with this?

I recently updated to Ubuntu 13.10, where g++ 4.8 is the default compiler. When trying to compile unit tests I got all sort of unused typedef warnings, which was really annoying, and I had to install g++ 4.7 to be able to avoid them. Hopefully what you propose will change this.

I also fixed some unused variables warnings in some libraries which Geometry depends on.
I'm only waiting on uBlas to merge my PR, also with the msvc-12 error fix :/

To disable those unused typedefs warnings you can pass a parameter to the compiler like this:

b2 cxxflags="-Wno-unused-local-typedefs"
BTW, it would be convenient to explain in more detail what you mean by "initialize the new module".

When I switched to develop branch in the modular-boost and pulled, the libs/core/ directory was created but was empty. AFAIR this helped:

git submodule init libs/core

Instead of the above I might have used:

git submodule update --init libs/core

I don't remember exactly...
cd libs/core
git checkout develop
git pull