diff --git a/tools/llvmc/plugins/Base/Base.td.in b/tools/llvmc/plugins/Base/Base.td.in
index cf0ff68a9be..bb904e13514 100644
--- a/tools/llvmc/plugins/Base/Base.td.in
+++ b/tools/llvmc/plugins/Base/Base.td.in
@@ -61,6 +61,9 @@ def OptList : OptionList<[
     (hidden)),
  (parameter_list_option "include",
     (help "Include the named file prior to preprocessing")),
+ (parameter_list_option "iquote",
+    (help "Search dir only for files requested with #inlcude \"file\""),
+    (hidden)),
  (parameter_list_option "framework",
     (help "Specifies a framework to link against")),
  (parameter_list_option "weak_framework",
@@ -129,6 +132,7 @@ class llvm_gcc_based <string cmd_prefix, string in_lang, string E_ext> : Tool<
          (switch_on ["emit-llvm", "c"]), (stop_compilation),
          (switch_on "fsyntax-only"), (stop_compilation),
          (not_empty "include"), (forward "include"),
+         (not_empty "iquote"), (forward "iquote"),
          (not_empty "save-temps"), (append_cmd "-save-temps"),
          (not_empty "I"), (forward "I"),
          (not_empty "F"), (forward "F"),