Punt halt init script. sysvinit should install it. See Gentoo bug #246502 on how to handle this.

init.d/.gitignore

@@ -2,7 +2,6 @@ bootmisc
 devfs
 dmesg
 fsck
-halt
 hostname
 killprocs
 local

init.d/Makefile.Linux

@@ -4,9 +4,6 @@ SRCS+=	devfs.in dmesg.in hwclock.in consolefont.in keymaps.in killprocs.in \
 	modules.in mount-ro.in mtab.in numlock.in procfs.in sysfs.in \
 	termencoding.in
 
-# This really belongs with sysvinit
-SRCS+=	halt.in
-
 .SUFFIXES:	.Linux.in
 .Linux.in:
 	sed ${SED_REPLACE} ${SED_EXTRA} $< > $@

init.d/halt.in

@@ -1,25 +0,0 @@
-#!@PREFIX@/sbin/runscript
-# Copyright 2007-2008 Roy Marples <roy@marples.name>
-# All rights reserved. Released under the 2-clause BSD license.
-
-# This script really belongs with the Linux sysvinit package
-description="Halt or reboot the host depending on sysvinit runlevel."
-
-depend()
-{
-	after *
-	use mount-ro
-	keyword noprefix
-}
-
-start()
-{
-	case "${RUNLEVEL}" in
-		0) runlevel=shutdown;;
-		6) runlevel=reboot;;
-		*) eerror "Unknown runlevel ${RUNLEVEL}"; return 1
-	esac
-
-	. /etc/init.d/"${runlevel}".sh
-	return 0
-}

runlevels/Makefile.Linux

@@ -1,6 +1,3 @@
 SYSINIT+=	devfs dmesg
 BOOT+=		hwclock keymaps modules mtab net.lo procfs termencoding
 SHUTDOWN+=	killprocs mount-ro
-
-# This really belongs with sysvinit
-SHUTDOWN+=	halt