ADD: cp2k@2024.1%gcc@12.3 ~cuda ^mpich

env/sles15/x86_64/admin/unstable/spack.yaml

@@ -4,11 +4,18 @@ spack:
   config:
     install_tree:
       root: $spack/opt/spack/unstable
+  definitions:
+    - gcc_12.3_mpich:
+        - cp2k@2024.1/2jesise #~cuda
   include:
   - $spack/spack-psi/env/$os/$target_family/sysconfigs/packages.yaml
   - $spack/spack-psi/env/$os/$target_family/sysconfigs/compilers.yaml
   mirrors:
     local_unstable: file:///afs/psi.ch/software/spack/unstable
     local_stable: file:///afs/psi.ch/software/spack/stable
-  specs: []
+  specs:
+    - matrix:
+      - [$gcc_12.3_mpich]
+      - ['%gcc@12.3']
+      - ['^cray-mpich']
   view: false