Re: [Boost-users] [boost 1.39][Serialization] BOOST_CLASS_EXPORT_GUID macro failed to compile with C2888 error under MSVS.

Subject: Re: [Boost-users] [boost 1.39][Serialization] BOOST_CLASS_EXPORT_GUID macro failed to compile with C2888 error under MSVS.
From: Vitaly Dolya (vitaly_at_[hidden])
Date: 2009-05-19 20:19:27

Robert Ramey wrote:
> By design ? - lol - more like by default. The implemenation of 
> BOOST_CLASS_EXPORT is relies on creating a single static singleton for each 
> data type.
Thank for the notice, but I was well aware of that.
Actually my real question is what is it You were trying to solve with 
the patch,
that broke my build:

Index: export.hpp
===================================================================
--- export.hpp    (revision 51330)
+++ export.hpp    (revision 51360)
@@ -160,6 +160,7 @@
     namespace boost {                                                  \
     namespace archive {                                                \
     namespace detail {                                                 \
+    namespace {                                                        \
     template<>                                                         \
     struct init_guid< T > {                                            \
         static ::boost::archive::detail::guid_initializer< T > const   \
@@ -170,7 +171,7 @@
            ::boost::serialization::singleton<                          \
                ::boost::archive::detail::guid_initializer< T >         \
            >::get_mutable_instance().export_guid(K);                   \
-    }}}                                                                \
+    }}}}                                                                \
 /**/
 
 #if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3205))

>   Putting this in the header (inside an anonymous namespace?) 
>   
No, I'm not trying to put BOOST_CLASS_EXPORT macro into any of my header 
files.
I was trying to put <boost/serialization/export.hpp> into precompiled 
headers.