diff --git a/config/mt-vxworks68 b/config/mt-vxworks68
new file mode 100644
index 00000000000..e5ec4a67439
--- /dev/null
+++ b/config/mt-vxworks68
@@ -0,0 +1 @@
+INSTALL_TARGET= install.cross
diff --git a/config/mt-vxworks960 b/config/mt-vxworks960
new file mode 100644
index 00000000000..e5ec4a67439
--- /dev/null
+++ b/config/mt-vxworks960
@@ -0,0 +1 @@
+INSTALL_TARGET= install.cross