Re: [boost] Trolls and Signals

From: Beman Dawes (bdawes_at_[hidden])
Date: 2002-05-24 20:14:43

At 09:00 AM 5/23/2002, Douglas Gregor wrote:

 >We can't just replace the 'signals' namespace with a (user-defined, but
 >defaulted) macro BOOST_SIGNALS_NAMESPACE because that doesn't play nicely 

 >with (shared) libraries.
 >
 >Here's a possibility: the Signals library moves from the boost::signals
 >namespace to the boost::signalslib namespace (better names anyone? 
please?).
 >
 >Then the Signals library also has this:
 >
 >#ifndef signals
 >namespace boost {
 >  namespace signalslib {}
 >  namespace signals = signalslib;
 >}
 >#endif
 >
 >So when Qt is not available, the boost::signals namespace alias is used 
and
 >nobody knows the difference (would someone confirm this? I haven't needed 

 >namespace aliases before...)...

Ugly. Think about it long and hard. As Boost gets used with more and more 
third party libraries, we are going to run into this sort of problem more 
often.

Do we really want to change our libraries because of the rudeness of 
others?

--Beman