petsc+int64 and dependencies.

Author: nkoukpaizan

buildsystem/spack/summit/spack.yaml

@@ -4,6 +4,7 @@ spack:
     ^hiop@develop+cuda+mpi+raja+kron+sparse+ginkgo+cusolver_lu cuda_arch=70
     ^[email protected]
     ^[email protected]
+    ^petsc+int64
   view: false
   concretizer:
     unify: when_possible
@@ -71,11 +72,6 @@ spack:
       - spec: [email protected]
         modules: [cmake/3.23.2]
       buildable: false
-    metis:
-      externals:
-      - spec: [email protected]
-        modules: [metis/5.1.0]
-      buildable: false
     openblas:
       externals:
       - spec: [email protected]