--- Gnu-Mach/include/mach/mach_host.defs	2020/09/02 04:45:42	1.1.1.2
+++ Gnu-Mach/include/mach/mach_host.defs	2020/09/02 04:48:11	1.1.1.3
@@ -47,6 +47,10 @@ subsystem
 #include <mach/std_types.defs>
 #include <mach/mach_types.defs>
 
+#ifdef	MACH_HOST_IMPORTS
+MACH_HOST_IMPORTS
+#endif
+
 /*
  *	Get list of processors on this host.
  */