--- Makefile.orig	Wed Oct 14 01:16:35 1998
+++ Makefile	Wed Aug  9 04:33:59 2000
@@ -5,8 +5,8 @@
 #--------------------------------------------------------------------------
 
 # Where you want to have it installed
-BINDIR	= /usr/X11/bin
-MANDIR	= /usr/X11/man/man1
+BINDIR	= ${PREFIX}/bin
+MANDIR	= ${PREFIX}/man/man1
 
 # Use these for Mesa
 #GL	= -lglut -lMesaGLU -lMesaGL
@@ -15,11 +15,13 @@
 GL	= -lglut -lGLU -lGL
 
 # Use these for gcc on Linux (may work in other systems as well)
-CC	= gcc
-CFLAGS	= -O3 -fomit-frame-pointer -ffast-math -Wall -Wno-implicit-int
-LD	= gcc
+CC	?= gcc
+CFLAGS	?= -pipe -O2 -fexpensive-optimizations -ffast-math -fomit-frame-pointer \
+	  -fforce-mem -fforce-addr
+CFLAGS	+= -I${X11BASE}/include
+LD	= $(CC)
 LDFLAGS	= -o $@
-LIBS	= -L/usr/X11/lib -L/usr/local/lib $(GL) -lX11 -lXext -lXmu -lXi -lm
+LIBS	= -Wl,-rpath,${X11BASE}/lib -L${X11BASE}/lib $(GL) -lX11 -lXext -lXmu -lXi -lm
 
 # Use these for cc on IRIX (submitted by Andrew Dalke <dalke@bioreason.com>)
 #CC	= cc
@@ -57,8 +59,8 @@
 	rm -f *.o core
 
 install: gleyes
-	cp gleyes $(BINDIR)
-	cp gleyes.1 $(MANDIR)
+	${BSD_INSTALL_PROGRAM} gleyes $(BINDIR)
+	${BSD_INSTALL_MAN} gleyes.1 $(MANDIR)
 
 dist:
 	rm -Rf $(DIST) $(DIST).tar.gz