diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -7044,6 +7044,16 @@
 def _SLASH_Gregcall : CLFlag<"Gregcall">,
   HelpText<"Set __regcall as a default calling convention">;
 
+// GNU Driver aliases
+
+def : Separate<["-"], "Xmicrosoft-visualc-tools-root">, Alias<_SLASH_vctoolsdir>;
+def : Separate<["-"], "Xmicrosoft-visualc-tools-version">,
+    Alias<_SLASH_vctoolsversion>;
+def : Separate<["-"], "Xmicrosoft-windows-sdk-root">,
+    Alias<_SLASH_winsdkdir>;
+def : Separate<["-"], "Xmicrosoft-windows-sdk-version">,
+    Alias<_SLASH_winsdkversion>;
+
 // Ignored:
 
 def _SLASH_analyze_ : CLIgnoredFlag<"analyze-">;