[lug] [OT] g++ error message: declared with an exception specification?

[rm at fabula.de]

On Tue, Nov 19, 2002 at 10:30:50AM -0700, Scott Herod wrote:
> 
> Hello,
> 
> Sorry of the OT post, but this is about the best group of people for it.
> 
> I'm trying to write a bash built-in and compile it with g++.  This is with
> bash 2-05a source from the GNU folk.  I'm getting errors like:
> 
> ../GNU/bash-2.05a/general.h:187: `sh_intfunc_t' declared with an exception
> specification

Rather silly question: if you compile an extension to a C-Program, shouldn't
the exported functions be wrapped in 'extern C ...{ ...' ? Exception specification
smells pretty much like C++-Linking ....

 ralfd

> where line 187 reads:
> 
> typedef int sh_intfunc_t __P((int));
> 
> and __P is defined with:
> 
> #if !defined (__P)
> #  if defined (__STDC__) || defined (__GNUC__) || defined (__cplusplus)
> #    define __P(protos) protos
> #  else
> #    define __P(protos) ()
> #  endif
> #endif
> 
> A test file (below) compiles just fine.
> 
> ======================================================================
> #if !defined (__P)
> #  if defined (__STDC__) || defined (__GNUC__) || defined (__cplusplus)
> #    define __P(protos) protos
> #  else
> #    define __P(protos) ()
> #  endif
> #endif
> 
> 
> typedef int   spam_is_good __P((int));
> 
> typedef char* spuds_are_bad ();
> typedef int   spam_spuds (int);
> ====================================================================
> 
> Can anyone suggest a way for me to see what the compiler sees with the
> typedef lines?  I suspect that __P must be redefined somewhere but can't
> find where.
> 
> Thanks,
> 
> Scott
> 
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