Re: [PATCH] Merge glibc ieee128 ldbl redirect support into cdefs.h

[Paul Eggert]

On 1/4/21 5:06 PM, Bruno Haible wrote:
> I see the problem now: glibc's <sys/cdefs.h> and Gnulib's <cdefs.h> have
> the same include guard!

I want the files to be identical (eventually), which is why they have 
the same include guard. Is there some way to arrange for them to be 
identical?

> It could be that this patch leads to "redefined macro" warnings. But these
> would be better than not having macros included that the system headers
> (e.g. <stdio.h> in Paul Murphy's case) rely upon.

I expect we're still in trouble if glibc's cdefs.h is ever "newer" than 
Gnulib. I'll see if I can pry some time to look into this.