diff --git a/include/clang/Config/config.h.in b/include/clang/Config/config.h.in
index 3f5d5035cbc63db6f11ddc694088eefebe1e28f2..86d5b0959b6ed6bf1f605c21c52f545136f2c075 100644
--- a/include/clang/Config/config.h.in
+++ b/include/clang/Config/config.h.in
@@ -15,4 +15,7 @@
 /* Directories clang will search for headers */
 #undef C_INCLUDE_DIRS
 
+/* Linker version detected at compile time. */
+#undef HOST_LINK_VERSION
+
 #endif