diff --git a/llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn b/llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn
index 66d209717f68..a70c69fc1b8c 100644
--- a/llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn
+++ b/llvm/utils/gn/secondary/clang/lib/Driver/BUILD.gn
@@ -67,6 +67,7 @@ static_library("Driver") {
     "ToolChains/Haiku.cpp",
     "ToolChains/Hexagon.cpp",
     "ToolChains/Hurd.cpp",
+    "ToolChains/InterfaceStubs.cpp",
     "ToolChains/Linux.cpp",
     "ToolChains/MSP430.cpp",
     "ToolChains/MSVC.cpp",