Update tutorial specs

Signed-off-by: Massimiliano Culpo <massimiliano.culpo@gmail.com>

Author: alalazo

stacks/tutorial/spack.yaml

@@ -14,9 +14,9 @@ spack:
   specs:
   - group: compiler
     specs:
-    - gcc@12 ~binutils
+    - gcc@16 build_type=Release +profiled +strip
 
-  - group: "gcc@11 specs"
+  - group: "gcc@15 specs"
     specs:
     - zlib-ng@2.2.4
     - zlib-ng@2.0.7
@@ -37,11 +37,11 @@ spack:
     override:
       packages:
         c:
-          prefer: [gcc@11]
+          prefer: [gcc@15]
         cxx:
-          prefer: [gcc@11]
+          prefer: [gcc@15]
         fortran:
-          prefer: [gcc@11]
+          prefer: [gcc@15]
 
   - group: scalapacks
     needs: [compiler]
@@ -55,16 +55,16 @@ spack:
     override:
       packages:
         c:
-          prefer: [gcc@12]
+          prefer: [gcc@16]
         cxx:
-          prefer: [gcc@12]
+          prefer: [gcc@16]
         fortran:
-          prefer: [gcc@12]
+          prefer: [gcc@16]
   # Miscellaneous specs use the default group
-  - zlib-ng@2.2.4%gcc@10
-  - matrix:
-    - [ zlib-ng@2.2.4, tcl ^zlib-ng@2.0.7 ]
-    - [ '%clang@14' ]
+  # - zlib-ng@2.2.4%gcc@10
+  #- matrix:
+  #  - [ zlib-ng@2.2.4, tcl ^zlib-ng@2.0.7 ]
+  #  - [ '%clang@14' ]
 
   concretizer:
     unify: false