diff --git a/Core/JSON/jsonProjectHandlers.lua b/Core/JSON/jsonProjectHandlers.lua
index 657db1e..f41b4cd 100644
--- a/Core/JSON/jsonProjectHandlers.lua
+++ b/Core/JSON/jsonProjectHandlers.lua
@@ -434,6 +434,17 @@ local function auBlockProjectKeyImplNoRootInclude()
     -- set me, the "noRootInclude" key to 'true' if you do not want the processor root to be include in the include dir search path
 end
 
+local function auBlockProjectKeyClangOption(processor, value)
+    auFilter {"toolset:clang"}
+        buildoptions(value)
+    auFilter {}
+end
+
+local function auBlockProjectKeyMSVCOption(processor, value)
+    auFilter {"toolset:msc"}
+        buildoptions(value)
+    auFilter {}
+end
 
 local function auBlockProjectKeyBigObject(processor, value)
     filterForKey(value, nil, function(obj)
@@ -526,7 +537,11 @@ auProjectBlockHandlers =
     impIncludes = auBlockProjectKeyImplIncludes,
     implIncludes = auBlockProjectKeyImplIncludes,
     clangIgnore = auBlockProjectKeyClangIgnore,
+    clangOption = auBlockProjectKeyClangOption,
+    msvcOption = auBlockProjectKeyMSVCOption,
     msvcIgnore = auBlockProjectKeyMSVCIgnore,
+    MSVCOption = auBlockProjectKeyMSVCOption,
+    MSVCIgnore = auBlockProjectKeyMSVCIgnore,
     depends = auBlockProjectKeyDepends,
     require = auBlockProjectKeyRequire,
     noRootInclude = auBlockProjectKeyImplNoRootInclude,