diff --git a/sys/alpha/linux/Makefile b/sys/alpha/linux/Makefile
new file mode 100644
index 000000000000..e1f00334549e
--- /dev/null
+++ b/sys/alpha/linux/Makefile
@@ -0,0 +1,7 @@
+# Makefile for syscalls tables
+
+linux_sysent.c linux_syscall.h linux_proto.h: ../../kern/makesyscalls.sh syscalls.master syscalls.conf
+	-mv -f linux_sysent.c linux_sysent.c.bak
+	-mv -f linux_syscall.h linux_syscall.h.bak
+	-mv -f linux_proto.h linux_proto.h.bak
+	sh ../../kern/makesyscalls.sh syscalls.master syscalls.conf
diff --git a/sys/i386/linux/Makefile b/sys/i386/linux/Makefile
new file mode 100644
index 000000000000..e1f00334549e
--- /dev/null
+++ b/sys/i386/linux/Makefile
@@ -0,0 +1,7 @@
+# Makefile for syscalls tables
+
+linux_sysent.c linux_syscall.h linux_proto.h: ../../kern/makesyscalls.sh syscalls.master syscalls.conf
+	-mv -f linux_sysent.c linux_sysent.c.bak
+	-mv -f linux_syscall.h linux_syscall.h.bak
+	-mv -f linux_proto.h linux_proto.h.bak
+	sh ../../kern/makesyscalls.sh syscalls.master syscalls.conf