--- CMakeLists.txt.orig	2023-04-23 15:13:49 UTC
+++ CMakeLists.txt
@@ -69,6 +69,11 @@ endif()
   add_compile_options(-Og)
 endif()
 
+CHECK_CXX_COMPILER_FLAG(-Wno-inconsistent-missing-override HAS_CXX_NOOVERRIDE)
+if(HAS_CXX_NOOVERRIDE AND NOT CMAKE_BUILD_TYPE MATCHES Debug)
+  add_compile_options(-Wno-inconsistent-missing-override)
+endif()
+
 # FIXME Doesn't work on all platforms.
 #CHECK_CXX_COMPILER_FLAG(-flto HAS_CXX_OPTIMIZE_LINKTIME)
 if(HAS_CXX_OPTIMIZE_LINKTIME AND NOT CMAKE_BUILD_TYPE MATCHES Debug)