> First of all, I don't get what this #ifndef is doing here in 
> Autoconf, it does not test what I need, so AFAIC I'd vote for 
>  
>   char *p = (char *) $1; 
>  
> or maybe 
>  
>   #undef $1 
>   char *p = (char *) $1; 
>  
> A difference I see between Thomas' approach and Autoconf's is that 
> Autoconf does not try to force the symbol whose declaration is being 
> checked to be a function.  AC_CHECK_DECL can them be used for errno, 
> sys_siglist and others. 

even 'errno' when it's a macro?  (no - won't work).
  
> In this case, Thomas, do you think we still need all the zowie stuff? 

yes.
  
> Akim 


-- 
Thomas E. Dickey
[EMAIL PROTECTED]
http://www.clark.net/pub/dickey

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