Don't save cp(1) in installworld. Its use has been replaced by

a use of install.

Makefile.inc1

@@ -305,7 +305,7 @@ everything:
 #
 installworld:
 	mkdir -p ${INSTALLTMP}
-	for prog in [ awk cat chflags chown cp date echo egrep find grep \
+	for prog in [ awk cat chflags chown date echo egrep find grep \
 	    install ln make makewhatis mv perl rm sed sh sysctl test \
 	    true uname wc zic; do \
 		cp `which $$prog` ${INSTALLTMP}; \