GCC: recursion too deep

[Christian Schoebel]

On Thu, 20 Apr 2000, Joe Buck wrote:

>  
> Christian Schoebel wrote:
> > > Can you help me with this problem?
> > > 
> > > Command: gcc -traditional ipxrcv.c
> > > 
> > > In file included from /usr/include/netinet/in.h:27,
> > >                  from ipxrcv.c:4:
> > > /usr/include/bits/socket.h:289: macro or `#include' recursion too deep
> > > /usr/include/bits/socket.h:290: macro or `#include' recursion too deep
> > > /usr/include/bits/socket.h:291: macro or `#include' recursion too deep
> > > ipxrcv.c:17: macro or `#include' recursion too deep
> 
> Zack writes:
> > Don't use -traditional.
> 
> I'll be kind and give a you a more complete answer.  In the old K&R
> preprocessor, if the name of a macro appears in the expansion of a macro,
> you have an infinite recursion.  But in an ISO/ANSI standard preprocessor,
> there is no recursion: the name is not expanded.
> 
> That is, if I write
> ---------------
> #define foo foo+1
> int q=foo;
> ---------------
> with a conforming preprocessor I get
> int q=foo+1;
> 
> but with a K&R (-traditional) preprocessor there is an infinite recursion
> so the "macro or `#include' recursion too deep" appears.  Evidently the
> header <bits/socket.h> uses this style.
> 
> 
> 
> 
> 
Thank you very much, I could compile hte program now without
problems. I just used the directory netipx for the ipx.h. Then
it worked.