[PATCH] include: Define macro to ignore -Wdeprecated-declarations on GCC

[Alan Modra]

On Thu, Oct 27, 2022 at 07:06:01AM +0000, Tsukasa OI via Binutils wrote:
> 	* diagnostics.h (DIAGNOSTIC_IGNORE_DEPRECATED_DECLARATIONS):
> 	Define also on GCC.

OK.

-- 
Alan Modra
Australia Development Lab, IBM