Add definition

CMakeLists.txt

@@ -326,7 +326,10 @@ endif(KRATOS_BUILD_TESTING MATCHES ON)
 
 # Benchmarking
 if(KRATOS_BUILD_BENCHMARK MATCHES ON)
-  # retrieve a copy of the current directory's `COMPILE_OPTIONS`
+  # Add the definitions if required
+  ADD_DEFINITIONS(-DKRATOS_BUILD_BENCHMARKING)
+
+  # Retrieve a copy of the current directory's `COMPILE_OPTIONS`
   get_directory_property(kratos_root_compile_options COMPILE_OPTIONS)
 
   # Disable warnings (needed by centos. We should all love centos, it clearly needs some affection)
@@ -342,7 +345,7 @@ if(KRATOS_BUILD_BENCHMARK MATCHES ON)
   set(CMAKE_INSTALL_BINDIR "libs") # In Win default dir is bin
   FetchContent_MakeAvailable(googlebenchmark)
 
-  # restore the current directory's old `COMPILE_OPTIONS`
+  # Restore the current directory's old `COMPILE_OPTIONS`
   set_directory_properties(PROPERTIES COMPILE_OPTIONS "${kratos_root_compile_options}")
 endif(KRATOS_BUILD_BENCHMARK MATCHES ON)