--- Makefile.orig	Thu Jul  3 07:48:00 1997
+++ Makefile	Thu Jan 29 16:57:49 1998
@@ -3,15 +3,16 @@
 
 # Modify the below to suit your filesystem
 
-INSTALLDIR=/usr/local/bin
-LIBDIR=/usr/local/lib
-MANDIR=/usr/local/man/man1
+PREFIX?=/usr/local
+INSTALLDIR=${PREFIX}/bin
+LIBDIR=${PREFIX}/lib
+MANDIR=${PREFIX}/man/man1
 
 #CC=cc
 CC=gcc
 
 #FLAGS=-O -nointl		# SCO
-FLAGS= -O -g -Wall
+FLAGS= -O -Wall
 
 #LIBS= -lnsl -lsocket		# SYSVR4 / SOLARIS
 #LIBS= -lsocket -lmalloc -lc_s	# SCO
@@ -40,13 +41,13 @@
 $(MAN):
 $(INSTALLDIR)/$(BIN): $(BIN)
 	-rm -f $(INSTALLDIR)/$(BIN)
-	install -m 755 -s $(BIN) $(INSTALLDIR)/$(BIN)
+	install -c -o bin -g bin -m 755 -s $(BIN) $(INSTALLDIR)/$(BIN)
 $(LIBDIR)/$(DATA): $(DATA)
 	-rm -f $(LIBDIR)/$(DATA)
-	install -m 644 $(DATA) $(LIBDIR)/$(DATA)
+	install -c -o bin -g bin -m 644 $(DATA) $(LIBDIR)/$(DATA)
 $(MANDIR)/$(MAN): $(MAN)
 	-rm -f $(MANDIR)/$(MAN)
-	install -m 644 $(MAN) $(MANDIR)/$(MAN)
+	install -c -o bin -g bin -m 644 $(MAN) $(MANDIR)/$(MAN)
 install: $(INSTALLDIR)/$(BIN) $(LIBDIR)/$(DATA) $(MANDIR)/$(MAN)
 strobe.man : $(MAN)
 	 nroff -man -Tascii $(MAN) > strobe.man