Hi Johannes,

> The point where I got stuck, however, is that I need to include the 
> less-specific configuration files within base-hw, which I achieve by the 
> following line:
> 
>       include $(call select_from_repositories,lib/mk/spec/zynq/core.inc)
> 
> Now, the issue is that including makefiles from other repositories won't work 
> properly. This is due to the fact that $REP_DIR (used e.g. in core.inc) will 
> evaluate to `[...]/repos/world` and not `[...]/repos/base-hw`.
> 
> Do you have any idea on how to work around this or even on how to improve the 
> build system in order to support this use case?

Hosting core.mk files outside the base-hw repository is a new pattern
for us, but I see the appeal.

REP_DIR always points to the repository where the target resides - in
your case, this is the core.mk library. The simplest solution would be
to replace the occurrences of REP_DIR in core.inc by a new variable
BASE_HW_DIR, which has to be defined by the one to includes core.inc.
The core.mk files within the base-hw repository would simply define to
as $(REP_DIR) but your "foreign" core.mk file could set the variable
explicitly to the location of the base-hw repository.

Would that solve your problem?

Cheers
Norman

-- 
Dr.-Ing. Norman Feske
Genode Labs

http://www.genode-labs.com · http://genode.org

Genode Labs GmbH · Amtsgericht Dresden · HRB 28424 · Sitz Dresden
Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth

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