examples/basic/subfolders: switch from DIRS to EXTERNAL_MODULE_DIRS #21476
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Contribution description
We have
EXTERNAL_MODULE_DIRS
in RIOT, which are favored instead of manually messing withDIRS
, especially because they get the dependency resolution right. Maybe I was not aware of that back when I introduced the example in #20024, so let's fix this up now.Testing procedure
Examples should still build in the CI, and now also be tested successfully.
Issues/PRs references
Triggered by #21442