diff --git a/CMakeLists.txt b/CMakeLists.txt
index 02849ca4..aaf9a8af 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -110,11 +110,18 @@ if(CMAKE_COMPILER_IS_GNUCXX)
 	set(WARNING_FLAGS
 		-Wall
 		-Wextra
-		-Wshadow=local
 		-Wimplicit-fallthrough=1
 		-Wno-unused-parameter
 		-Wno-psabi
 	)
+	
+	if(NOT DEFINED WARNING_SHADOW_LOCAL)
+		option(WARNING_SHADOW_LOCAL "Show shadows declarations warning." ON)
+	endif()
+	
+	if(WARNING_SHADOW_LOCAL)
+		list(APPEND WARNING_FLAGS "-Wshadow=local")
+	endif()
 endif()
 
 if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")