Feat/stack pinot noir

stacks/pinot-noir/packages_stack.yaml

@@ -3,6 +3,8 @@ packages:
     require:
       - spec: '+ipo'
         when: '%gcc'
+      - spec: '^netlib-scalapack'
+        when: '%gcc ^scalapack'
   # ----------------------------------------------------------------------------
   # Requirements
   # ----------------------------------------------------------------------------
@@ -186,8 +188,7 @@ packages:
     - spec: '^arpack-ng +mpi'
 
   suite-sparse:
-    require:
-    - spec: '+graphblas'
+    require: ['@7.3.1', '+graphblas']
 
   tk:
     require: ['+xft', '+xss']