diff --git a/gdb/config/i386mach.mh b/gdb/config/i386mach.mh
new file mode 100644
index 0000000000..f880b8909a
--- /dev/null
+++ b/gdb/config/i386mach.mh
@@ -0,0 +1,4 @@
+# Host: Intel 386 running Mach
+
+XDEPFILES= infptrace.o mach386-xdep.o
+XM_FILE= xm-i386mach.h