cmake: Add Coverage and CoverageFuzz scripts

cmake/module/ProcessConfigurations.cmake

@@ -162,3 +162,14 @@ else()
   endif()
   unset(cxx_flags_debug_overridden)
 endif()
+
+set(CMAKE_CXX_FLAGS_COVERAGE "-Og --coverage")
+set(CMAKE_OBJCXX_FLAGS_COVERAGE "-Og --coverage")
+set(CMAKE_EXE_LINKER_FLAGS_COVERAGE "--coverage")
+set(CMAKE_SHARED_LINKER_FLAGS_COVERAGE "--coverage")
+get_property(is_multi_config GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
+if(is_multi_config)
+  if(NOT "Coverage" IN_LIST CMAKE_CONFIGURATION_TYPES)
+    list(APPEND CMAKE_CONFIGURATION_TYPES Coverage)
+  endif()
+endif()