Index: tools/build/mk/OptionalObsoleteFiles.inc
===================================================================
--- tools/build/mk/OptionalObsoleteFiles.inc
+++ tools/build/mk/OptionalObsoleteFiles.inc
@@ -3797,6 +3797,7 @@
 OLD_FILES+=usr/bin/rcsfreeze
 OLD_FILES+=usr/bin/rcsmerge
 OLD_FILES+=usr/bin/rlog
+OLD_FILES+=usr/sbin/etcupdate
 OLD_FILES+=usr/share/man/man1/ci.1.gz
 OLD_FILES+=usr/share/man/man1/co.1.gz
 OLD_FILES+=usr/share/man/man1/ident.1.gz
@@ -3809,6 +3810,7 @@
 OLD_FILES+=usr/share/man/man1/rcsmerge.1.gz
 OLD_FILES+=usr/share/man/man1/rlog.1.gz
 OLD_FILES+=usr/share/man/man5/rcsfile.5.gz
+OLD_FILES+=usr/share/man/man8/etcupdate.8.gz
 .endif
 
 #.if ${MK_RESCUE} == no
Index: tools/build/options/WITHOUT_RCS
===================================================================
--- tools/build/options/WITHOUT_RCS
+++ tools/build/options/WITHOUT_RCS
@@ -1,4 +1,6 @@
 .\" $FreeBSD$
 Set to not build
 .Xr rcs 1
-and related utilities.
+,
+.Xr etcupdate 8
+, and related utilities.
Index: usr.sbin/Makefile
===================================================================
--- usr.sbin/Makefile
+++ usr.sbin/Makefile
@@ -26,7 +26,6 @@
 	digictl \
 	diskinfo \
 	dumpcis \
-	etcupdate \
 	extattr \
 	extattrctl \
 	fifolog \
@@ -278,6 +277,10 @@
 SUBDIR+=	rwhod
 .endif
 
+.if ${MK_RCS} != "no"
+SUBDIR+=	etcupdate
+.endif
+
 .if ${MK_SENDMAIL} != "no"
 SUBDIR+=	editmap
 SUBDIR+=	mailstats