diff --git a/gcc/config/i386/xm-mingw32.h b/gcc/config/i386/xm-mingw32.h
index e0dd3f3..34663ac 100644
--- a/gcc/config/i386/xm-mingw32.h
+++ b/gcc/config/i386/xm-mingw32.h
@@ -33,3 +33,7 @@ along with GCC; see the file COPYING3.  If not see
 /* MSVCRT does not support the "ll" format specifier for printing
    "long long" values.  Instead, we use "I64".  */
 #define HOST_LONG_LONG_FORMAT "I64"
+
+/* Windows doesn't know about symbolic links. */
+#define S_ISLNK(x) false
+