diff --git a/config/Darwin.mk b/config/Darwin.mk
new file mode 100644
index 0000000000..de4a0afab7
--- /dev/null
+++ b/config/Darwin.mk
@@ -0,0 +1,7 @@
+# Use GNU tool definitions as the tools we are using are either GNU compatible
+# or we only use features which are supported on Mac OS.
+include $(XEN_ROOT)/config/StdGNU.mk
+
+# Force cross compile on Mac OS: Only hypervisor build is supported, no tools,
+# and in the hypervisor the (plain) SVR4 ABI is in use.
+XEN_COMPILE_ARCH = unknown