[PATCH 8/8] arm64: renesas: Deduplicate R-Car Gen3 and Gen4 SPL

[Marek Vasut]

On 1/15/25 11:34 AM, Quentin Schulz wrote:

[...]

> Wondering if we couldn't use variables to make the Makefile a bit easier 
> on the eye (though not necessarily more readable)?
> 
> Something like
> 
> ifdef CONFIG_XPL_BUILD
> SPL_COMMON := spl
> else
> SPL_COMMON := common
> endif
> 
> obj-y += rcar64-$(SPL_COMMON).o
> 
> Then we could use it for gen3 and gen4 object files as well for example.
> 
> I really struggle to parse Makefile/C code when there are a lot of 
> ifdefs especially once they get nested, but maybe that's just me :)
What I would like even a bit more would be:

obj-$(!SYMBOL) +=

An inverted match, add stuff into build if symbol is not set.