RE: RH7/CORBA compile queries (was RH7/gnome compile queries)

[D-Man <dsh8290 rit edu>]

I get this all the time on my RH7, x86, system.  No problems before on RH6.2 using an upgraded gcc 2.95.2.  ( I get the errors for any of the CORBA apps b/c they all include this file )

The offending lines in the header use a feature I've never seen mentioned in any book before:
	it appears that the macro accepts some sort of "symbolic" argument which is used to create the symbolic expansion using '#' characters.

(here's the line,  there are several of them and they all give the same error)

#define ENCODER_DEC(typename) \
void giop_encoder_##typename##(GIOPSendBuffer *send_buffer, \
			       const typename *mem)


Could someone explain this C (preprocessor) feature to me?

Thanks,
-D

On Wed, 18 Oct 2000 01:39:28 Joachim Backes wrote:
> 
> On 15-Oct-2000 mike wrote: 
> >  Hi
> >  I haver just upgraded my home box to RH7
> >  
> >  When I compile programs I get a warning of
> >  
> >  /usr/include/IIOP/iiop-encoders.h:17:31: warning: pasting would not give
> >  a valid preprocessing token
> >  
> >  etc
> >  
> 
> Hi,
> 
> possibly, this is an effect of the gcc contained in RH 7 (gcc-2.96, this
> is a no-release release, which is not authorized by the gcc team).
> 
> Regards
> 
> Joachim Backes
> 
> --
> 
> Joachim Backes <backes rhrk uni-kl de>       | Univ. of Kaiserslautern
> Computer Center, Supercomputing Division     | Phone: +49-631-205-2438 
> D-67653 Kaiserslautern, PO Box 3049, Germany | Fax:   +49-631-205-3056 
> ---------------------------------------------+------------------------
> WWW: http://hlrwm.rhrk.uni-kl.de/home/staff/backes.html  
> 
> 
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