additional-platforms tag added in extra field

recipes/r-scroshi/meta.yaml

@@ -13,8 +13,6 @@ source:
 build:
   # If this is a new build for the same version, increment the build number.
   number: 0
-  # no skip
-
   # This is required to make R link correctly on Linux.
   rpaths:
     - lib/R/lib/
@@ -44,8 +42,6 @@ test:
     - "\"%R%\" -e \"library('scROSHI')\""  # [win]
 
   # You can also put a file called run_test.r, run_test.py, run_test.sh,
-  # or run_test.bat in the recipe that will be run at test time.
-
   # requires:
     # Put any additional test requirements here.
 
@@ -58,6 +54,8 @@ about:
     - '{{ environ["PREFIX"] }}/lib/R/share/licenses/MIT'
     - LICENSE
 extra:
+  additional-platforms:
+    - linux-aarch64
   identifiers:
     - doi:10.1093/nargab/lqad058
 # The original CRAN metadata for this package was: