[boost] Serialization - building shared libs

From: Neal Becker (ndbecker2_at_[hidden])
Date: 2004-10-18 18:06:19

I brought up the topic that int the current cvs serialization libs are only
built static, not shared.  The reason for this is that the library uses
this construct:
,----[ /home/nbecker/stuff/A.hpp ]
| // {{{ struct A
| 
| struct A {
|   int i;
|   A() { i = 1; }
|   static const A instance;
| };
| 
| // }}}
| 
| extern const A A::instance = A();
`----

If this is included into 2 shared libraries, will A::instance be shared?

I have tested this on Linux.  If you dlopen 2 different shared libs, it will
work correctly, if you set the flags RTLD_NOW|RTLD_GLOBAL.

Since this will work correctly on some systems, I would like to see this
supported.

It is impossible to use serialization with boost::python without shared
libs.