Re: [Boost-users] [extension] conflict with boost::optional

From: Jeremy Pack (rostovpack_at_[hidden])
Date: 2008-04-21 12:47:26

Thanks! That looks like it ought to fix it.

I updated the Sandbox with the proposed fix, and was able to successfully
build and run the tests and examples on MSVC 9 and GCC 4. Please let me know
if that fixes the issue for MSVC 7.1.

Jeremy

On Sat, Apr 19, 2008 at 9:20 AM, Niels Dekker - mail address until
2008-12-31 <nd_mail_address_valid_until_2008-12-31_at_[hidden]> wrote:

> David Matz wrote:
> > error: error C2039: 'boost::get': Ist kein Element von
> > 'boost::extensions::shared_library'
>
> Jeremy Pack wrote:
> > Please add the command line option /P to your build - this will output
> > the preprocessed version of your file test_extension_and_optional.cpp.
> > Then send this to me - I might be able to figure out what is going on.
> > It looks like one of the preprocessor macros used by
> > Boost.PreProcessor isn't working
>
> It seems to me that the compile error isn't caused by Boost.PreProcessor.
> Actually I think I've found a workaround: Explicitly qualify the
> shared_library::get member function call in extension/convenience.hpp
> (line 29),
> (by adding the class name, "shared_library::") and the MSVC 7.1 error
> message
> disappears!
>
>
> HTH, Niels
>
> PS Here's the patch:
>
> Index: convenience.hpp
>
> ===================================================================
>
> --- convenience.hpp     (revision 44584)
>
> +++ convenience.hpp     (working copy)
>
> @@ -26,7 +26,7 @@
>
>       return;
>     }
>     void (*func)(factory_map &) =
> -      lib.get<void, factory_map &>(external_function_name);
> +      lib.shared_library::get<void, factory_map
> &>(external_function_name);
>     if (!func) {
>       return;
>