Re: warnings compiling Emacs 22 on amd64

[Kim F. Storm]

Kevin Gallagher <address@hidden> writes:

 
> Some compilers support the use of #pragma directives to disable
> certain warnings it would
> otherwise generate for the lines wrapped within those specific #pragma
> directives.  Perhaps
> GCC could be extended to support this.
>
> I think this, or some other in line compiler directive, is a better
> way to instruct the compiler
> how to behave, rather than a modification of the source code itself.

The problem with a #pragma is that you need to wrap every _use_ of the
macro, rather than localizing the trickery to the macro definition.

Of course, if you could define it like this:

#define MACRO(i) \
#pragma specific_warning_off\
macro definition here\
#pragma specific_warning_on

it would be ok to use a pragma.

But how would that work if you write something like

  var = MACRO(i)

Hmmm...


-- 
Kim F. Storm <address@hidden> http://www.cua.dk