Index: MinGW/Options.td
===================================================================
--- MinGW/Options.td
+++ MinGW/Options.td
@@ -33,6 +33,7 @@
 def O: Joined<["-"], "O">, HelpText<"Optimize output file size">;
 def v: Flag<["-"], "v">, HelpText<"Display the version number">;
 def version: F<"version">, HelpText<"Display the version number and exit">;
+def sysroot: J<"sysroot">, HelpText<"Sysroot">;
 
 // Alias
 def alias_entry_e: JoinedOrSeparate<["-"], "e">, Alias<entry>;