1 files changed, 18 insertions, 1 deletions
diff --git a/xmake/scripts/base/project.lua b/xmake/scripts/base/project.lua
index 53691e6a5..9e4d9e979 100644
--- a/xmake/scripts/base/project.lua
+++ b/xmake/scripts/base/project.lua
@@ -241,6 +241,17 @@ function project._api_add_values(scope, name, ...)
     table.join2(scope[name], ...)
 end
 
+-- del configure values
+function project._api_del_values(scope, name, ...)
+
+    -- check
+    assert(scope and name)
+
+    -- append values
+    scope[name] = scope[name] or {}
+    table.join2(scope[name], ...)
+end
+
 -- filter the configure value
 function project._filter(values)
 
@@ -821,7 +832,7 @@ function project._load_targets(file)
     -- register interfaces for the subproject files
     newenv.add_subdirs      = function (...) return project._api_add_subdirs(newenv, ...) end
     newenv.add_subfiles     = function (...) return project._api_add_subfiles(newenv, ...) end
-    
+       
     -- register interfaces for setting values
     local interfaces =  {   "kind"
                         ,   "headerdir" 
@@ -867,6 +878,12 @@ function project._load_targets(file)
         newenv["add_" .. interface] = function (...) return project._api_add_values(newenv._TARGET or newenv._CONFIGS._ADD, interface, ...) end
     end
 
+    -- register interfaces for deleting values
+    interfaces =        {   "files" }
+    for _, interface in ipairs(interfaces) do
+        newenv["del_" .. interface] = function (...) return project._api_del_values(newenv._TARGET or newenv._CONFIGS._ADD, interface, ...) end
+    end
+
     -- done the project script
     local ok, errors = pcall(script)
     if not ok then