Re: [boost] stdlib of SGI : NO_STRINGSTREAM

From: Steve M. Robbins (steven.robbins_at_[hidden])
Date: 2002-02-07 10:17:44

On Thu, Feb 07, 2002 at 03:40:54PM +0100, Toon Knapen wrote:
> John Maddock wrote:
> 
> >>I'm sorry, my previous msg was not correct, I've been a bit too hasty.
> >>
> >>I experienced the problem on an SGI but not with CC but with gcc 2.95.2.
> >>
> > 
> > Does that mean the fix is required or not?  Can you predicate it on sgi
> > version?  I assume later version have conformant iostreams or don't they? 
> > It would seem perverse if not, given that they have an open source version
> > available.
> 
> 
> well, the only gcc 2.95.2 I have access to is on this SGI. Using 
> gcc-2.95.2 there is no <sstream> but there is a <strstream>.
> 
> I just read the comments in /boost/config/stdlib/sgi.hpp where the 
> BOOST_NO_STRINGSTREAM is set and it is indeed documented that it needs 
> to be set for gcc-2.95.2 and not for gcc-2.95.3 but that there is no way 
> to detect them. So I guess it's a known problem without a proper solution.

On the contrary, there is a well-known solution: detect at build
time, e.g. using autoconfigure.

c.f. http://ac-archive.sourceforge.net/C++_Support/ac_cxx_have_sstream.html

-S

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