diff --git a/gcc/config/i386/gstabs.h b/gcc/config/i386/gstabs.h
new file mode 100644
index 00000000000..e39b7e3809d
--- /dev/null
+++ b/gcc/config/i386/gstabs.h
@@ -0,0 +1,9 @@
+#include "i386gas.h"
+
+/* We do not want to output SDB debugging information.  */
+
+#undef SDB_DEBUGGING_INFO
+
+/* We want to output DBX debugging information.  */
+
+#define DBX_DEBUGGING_INFO