[riot-notifications] [RIOT-OS/RIOT] boards: boards/common directory as separate variable (#11155)

Juan I Carrano notifications at github.com
Wed Mar 13 14:52:29 CET 2019


> Am I correct in my assumption that this BOARDSDIR variable is a list of directories to use for looking up boards and related files? If that is the case this would solve my issue I think.

I think that would be the best solution, like a kind of "PATH" for boards. It would also make "common" not special, just a convention.

We could set BOARDDIRS to a list of directories and then use some wildcard magic to include the board we want:

```make
# just set it to some random list, cpu is here just to add a bit of diversity
BOARDSDIRS=boards boards/common cpu

get_board=$(lastword $(wildcard $(addsuffix /$(1),$(BOARDSDIRS))))

$(info $(call get_board,esp32))
```

Same thing with cpus.

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