better warnings for builds on older compilers

Author: dk949

tests/CMakeLists.txt

@@ -81,5 +81,6 @@ if(HAS_CXX_23)
         target_link_libraries(libut_tests_23 PUBLIC stdc++exp)
     endif()
 else()
-    message(WARNING "${CMAKE_CXX_COMPILER} does not support C++23, tests will not run")
+    get_filename_component(compiler_name ${CMAKE_CXX_COMPILER} NAME)
+    message(WARNING "${compiler_name} ${CMAKE_CXX_COMPILER_VERSION} does not support C++23, tests will not run")
 endif()