[boost] Re: Problem with boost::optional and the BGL using the IBM xlC compiler

From: Doug Gregor (dgregor_at_[hidden])
Date: 2004-09-11 10:57:57

On Sep 11, 2004, at 3:09 AM, Matthias Troyer wrote:

> A recent change to the file 
> boost/graph/detail/adj_list_edge_iterator.hpp breaks the BGL on the 
> IBM xlC compiler. The change is:
>
> revision 1.7
> date: 2004/08/24 22:00:33;  author: dgregor;  state: Exp;  lines: +11 
> -10
> Use boost::optional to avoid copying singular iterators

Ugh. I'll drop in the workaround. What's the #if or #ifdef to identify 
this compiler?

        Doug