Index: gdb/config/aarch64/obsd.mh
--- gdb/config/aarch64/obsd.mh.orig
+++ gdb/config/aarch64/obsd.mh
@@ -0,0 +1,5 @@
+# Host: OpenBSD/arm64
+NATDEPFILES= fork-child.o inf-ptrace.o obsd-nat.o \
+	aarch64-obsd-nat.o bsd-kvm.o
+
+LOADLIBES= -lkvm