Re: [RFC] sigsetjmp/siglongjmp on cygwin

[Andrew Cagney <ac131313 at cygnus dot com>]

> 
> Intentionally failing an Autoconf test is not my idea of using
> Autoconf correctly  [;-)] If all Cygwin wants is to fail that test
> unconditionally, they could simply supply a config.site file which
> sets the appropriate Autoconf variable (ac_cv_func_sigsetjmp, IIRC),
> and not bother the GDB distribution at all.  After all, the same bug
> will bite Cygwin in any other package, right?
> 
> Moreover, this problem will most probably be fixed in some future
> version of Cygwin, at which point someone will have to make that test
> know about specific Cygwin versions etc.  IMHO, if we must have such
> an ugliness, it should go into a system-specific header.


Ah, you're trying to hide the ugliness (xm-*.h) while I'm trying to 
localize it (a single configure.in sigsetjmp test that contains all the 
details).

I'm going to consult an expert on this one.

	Andrew