--- ray/src/rt/Rmakefile	1989/03/14 11:32:01	1.3
+++ ray/src/rt/Rmakefile	1989/03/29 11:26:15	1.4
@@ -11,7 +11,7 @@ CFLAGS = -DBSD -O -DIEEE -f68881 /usr/lib/f68881.il
 #
 DESTDIR = .
 INSTDIR = /usr/local/ray
-INSTALL = cp
+INSTALL = install
 
 #
 # The following paths must exist and be relative to root: