Re: [Buildroot] toolchain-bare-metal-buildroot

[Thomas Petazzoni via buildroot <buildroot@buildroot.org>]

Hello,

On Thu, 27 Feb 2025 12:58:34 +0000
"Frager, Neal" <neal.frager@amd.com> wrote:

> I am continuing the work on the toolchain-bare-metal-buildroot, and I have
> encountered a snag where I am hoping you can come up with a brilliant idea
> to resolve.
> 
> In addition to needing multiple bare-metal toolchains, the versal gen2 products
> need the riscv32 toolchain to have "--with-arch=rv32imc" included in the
> configuration.  Just using the riscv32 tuple is not sufficient.
> 
> Since the architecture tuples come as a list, do you have any ideas for
> how we can handle architectures that have many options beyond just the
> tuple, such as ARM and RISC-V?  Any additional variables we make will
> also need to be a list.
> 
> Do you have any ideas for a clean way to handle this?  Perhaps arch
> specific configs that we can apply in the config loop should the tuple
> match the corresponding option?

I really don't have a good suggestion here unfortunately. This is
another area where a kconfig-based configuration system is showing its
limits IMO.

Thomas
-- 
Thomas Petazzoni, co-owner and CEO, Bootlin
Embedded Linux and Kernel engineering and training
https://bootlin.com
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