diff --git a/llvm/include/Config/config.h.in b/llvm/include/Config/config.h.in
index 5d12871e5cfd..b6a72733ae99 100644
--- a/llvm/include/Config/config.h.in
+++ b/llvm/include/Config/config.h.in
@@ -85,6 +85,10 @@
 /* Define to 1 if you have the <link.h> header file. */
 #undef HAVE_LINK_H
 
+/* Define if you can use -Wl,-R. to pass -R. to the linker, in order to add
+   the current directory to the dynamic linker search path. */
+#undef HAVE_LINK_R
+
 /* Define if mallinfo() is available on this platform. */
 #undef HAVE_MALLINFO