--- Makefile.orig	1997-05-12 23:55:59.000000000 +0800
+++ Makefile	2014-01-09 21:06:36.000000000 +0800
@@ -6,22 +6,22 @@
 
 .SUFFIXES: .c .o
 
-CC	=gcc
+CC	?=gcc
 RM	=rm
 LN	=ln
-INSTALL	=install
+INSTALL	?=install
 CP	=cp
 TAR	=tar
 GZIP	=gzip
 
 # Binary directory for make install
-BINDIR	=/usr/local/bin/X11
+BINDIR	=$(PREFIX)/bin
 
 # Library directories for Linux
-XLIBDIR	=/usr/X11R6/lib
+XLIBDIR	=$(LOCALBASE)/lib
 
 # Include directory for gcc (if you get X11/Xlib.h: file not found)
-#INCDIR =-I/usr/X11R6/include
+INCDIR =-I$(LOCALBASE)/include
 
 # Library directories for the Ultrix (probably most Unixes)
 #XLIBDIR =/usr/lib/X11
@@ -34,7 +34,7 @@ XPMLIB  =-lXpm
 	$(CC) $(INCDIR) $(CFLAGS) $(XPM) -c $*.c
 
 # Linux CFLAGS (actually generic gcc)
-CFLAGS=-Wall -O2
+#CFLAGS=-Wall -O2
 
 # Want static binaries?
 #CFLAGS=-Wall -O2 -static
@@ -48,7 +48,7 @@ CFLAGS=-Wall -O2
 # Most Linux users won't be troubled by this. Actually almost nobody will
 # be troubled by this. It just might save me a couple of emails...
 # Just change it to wherever your libX11.a resides.
-LDFLAGS=-L$(XLIBDIR)
+LDFLAGS+=-L$(XLIBDIR)
 
 all: xbanner freetemp random_effect xb_check 
 
@@ -70,10 +70,11 @@ random_effect: random_effect.o 
 xb_check: xb_check.o 
 	$(CC) $(CFLAGS) -o xb_check xb_check.o 
 
-install: freetemp xbanner xb_check 
-	$(INSTALL) --strip --mode "0755" --owner root --group bin freetemp $(BINDIR)/freetemp
-	$(INSTALL) --strip --mode "0755" --owner root --group bin xbanner $(BINDIR)/xbanner
-	$(INSTALL) --strip --mode "0755" --owner root --group bin xb_check $(BINDIR)/xb_check
+install: freetemp xbanner xb_check random_effect 
+	${BSD_INSTALL_PROGRAM} freetemp $(DESTDIR)$(BINDIR)/freetemp
+	${BSD_INSTALL_PROGRAM} xbanner $(DESTDIR)$(BINDIR)/xbanner
+	${BSD_INSTALL_PROGRAM} xb_check $(DESTDIR)$(BINDIR)/xb_check
+	${BSD_INSTALL_PROGRAM} random_effect $(DESTDIR)$(BINDIR)/random_effect
 
 strip: exe
 	strip xbanner freetemp xb_check random_effect