Use unix makefiles generator

CMakePresets.json

@@ -10,8 +10,22 @@
       "name": "gcc",
       "displayName": "GCC",
       "description": "Default build options for GCC",
-      "generator": "Ninja",
+      "generator": "Unix Makefiles",
       "binaryDir": "${sourceDir}/build"
     }
-  ]
+  ],
+  "buildPresets": [
+    {
+      "name": "gcc",
+      "configurePreset": "gcc"
+    }
+  ],
+  "testPresets": [
+    {
+      "name": "gcc",
+      "configurePreset": "gcc",
+      "output": {"outputOnFailure": true},
+      "execution": {"noTestsAction": "error", "stopOnFailure": true}
+    }
+  ],
 }