Index: head/ObsoleteFiles.inc
===================================================================
--- head/ObsoleteFiles.inc
+++ head/ObsoleteFiles.inc
@@ -38,6 +38,9 @@
 #   xargs -n1 | sort | uniq -d;
 # done
 
+# 20141224: libxo moved to /lib
+OLD_FILES+=usr/lib/libxo.a
+OLD_FILES+=usr/lib/libxo_p.a
 # 20141223: remove in6_gif.h, in_gif.h and if_stf.h
 OLD_FILES+=usr/include/net/if_stf.h
 OLD_FILES+=usr/include/netinet/in_gif.h
Index: head/lib/libxo/Makefile
===================================================================
--- head/lib/libxo/Makefile
+++ head/lib/libxo/Makefile
@@ -7,6 +7,8 @@
 LIB=	xo
 SHLIB_MAJOR=0
 
+SHLIBDIR?=      /lib
+
 SRCS=	libxo.c
 
 CFLAGS+=-I${LIBXO}/libxo