ADD: compilers to unstable SLES aarch64

env/sles15/aarch64/admin/unstable/spack.yaml

@@ -5,6 +5,12 @@ spack:
     install_tree:
       root: $spack/opt/spack/unstable
   definitions:
+  - compilers:
+    - gcc@13.2.0
+    - gcc@7.5.0
+    - gcc@=12.3
+    - nvhpc@24.3
+    - cce@17.0.0
   - gcc_7.5.0:
     - ffbidx@main/3xig2i
   - gcc_12.3_openmpi:
@@ -23,18 +29,23 @@ spack:
   modules:
     default:
       roots:
-        tcl: $spack/opt/spack/unstable/modulefiles
-      tcl:
+        lmod: $spack/opt/spack/unstable/modulefiles
+      lmod:
         cray-mpich:
           environment:
             set:
-              SLURM_MPI_TYPE: 'pmix'
+              SLURM_MPI_TYPE: pmix
         openmpi:
           environment:
             set:
-              SLURM_MPI_TYPE: 'pmix'
+              SLURM_MPI_TYPE: pmix
               OMPI_MCA_mtl_ofi_disable_hmem: 'true'
+        core_compilers:
+        - gcc@=7.5.0
   specs:
+  - matrix:
+    - [$compilers]
+    - ['%gcc@7.5.0']
   - matrix:
     - [$gcc_7.5.0]
     - ['%gcc@7.5.0']