4 files changed, 6 insertions, 0 deletions
diff --git a/xmake/modules/core/tools/cl.lua b/xmake/modules/core/tools/cl.lua
index 1144023c5..8e3df88d7 100644
--- a/xmake/modules/core/tools/cl.lua
+++ b/xmake/modules/core/tools/cl.lua
@@ -139,6 +139,7 @@ function nf_warning(self, level)
     ,   all        = "-W3" -- = "-Wall" will enable too more warnings
     ,   everything = "-Wall"
     ,   error      = "-WX"
+    ,   extra      = "-W4"
     }
 
     -- make it
diff --git a/xmake/modules/core/tools/gcc.lua b/xmake/modules/core/tools/gcc.lua
index 5418ecf27..474244e58 100644
--- a/xmake/modules/core/tools/gcc.lua
+++ b/xmake/modules/core/tools/gcc.lua
@@ -114,6 +114,7 @@ function nf_warning(self, level)
     ,   all        = "-Wall"
     ,   everything = "-Wall -Wextra -Weffc++"
     ,   error      = "-Werror"
+    ,   extra      = "-Wextra"
     }
     return maps[level]
 end
diff --git a/xmake/modules/core/tools/nvcc.lua b/xmake/modules/core/tools/nvcc.lua
index d5a7ef6d2..3a469d412 100644
--- a/xmake/modules/core/tools/nvcc.lua
+++ b/xmake/modules/core/tools/nvcc.lua
@@ -110,6 +110,7 @@ function nf_warning(self, level)
     ,   all        = "-W3" -- = "-Wall" will enable too more warnings
     ,   everything = "-Wall"
     ,   error      = "-WX"
+    ,   extra      = "-W4"
     }
 
     -- for gcc & clang on linux, may be work for other gnu compatible compilers such as icc
@@ -125,6 +126,7 @@ function nf_warning(self, level)
     ,   all        = "-Wall"
     ,   everything = "-Weverything -Wall -Wextra -Weffc++"
     ,   error      = "-Werror"
+    ,   extra      = "-Wextra"
     }
 
     -- get warning for nvcc
diff --git a/xmake/plugins/project/cmake/cmakelists.lua b/xmake/plugins/project/cmake/cmakelists.lua
index fe8a66871..cfdab0e01 100644
--- a/xmake/plugins/project/cmake/cmakelists.lua
+++ b/xmake/plugins/project/cmake/cmakelists.lua
@@ -279,6 +279,7 @@ function _add_target_warnings(cmakelists, target)
     ,   more  = "-Wall"
     ,   all   = "-Wall"
     ,   error = "-Werror"
+    ,   extra = "-Wextra"
     }
     local flags_msvc =
     {
@@ -287,6 +288,7 @@ function _add_target_warnings(cmakelists, target)
     ,   more  = "-W3"
     ,   all   = "-W3" -- = "-Wall" will enable too more warnings
     ,   error = "-WX"
+    ,   extra = "-W4"
     }
     local warnings = target:get("warnings")
     if warnings then