--- Makefile.orig	Sat Feb  5 01:10:42 2000
+++ Makefile	Sun Feb  6 20:33:42 2000
@@ -1,18 +1,18 @@
 all: game
 
-CC = gcc
+CC?= gcc
 XLIB = -L/usr/X11R6/lib -I/usr/X11R6/include
 LIBS = -lm -lX11
 OBJS = game.o aliens.o player.o effects.o \
 object.o camera.o main-x11.o vec4x1.o mat4x4.o
 DEPENDS = 
 #CFLAGS = -g -Wall -pedantic -ansi
-CFLAGS = -ansi
+CFLAGS+= -ansi
 #OPTIONS = -D_GNU_SOURCE -DGAME_LINUX_X11 -DGAME_DEBUG
 OPTIONS= -DGAME_LINUX_X11
 
 .c.o: $(DEPENDS)
-	$(CC) -c $(CFLAGS) $(OPTIONS) $< -o $@
+	$(CC) -c $(CFLAGS) $(OPTIONS) $(XLIB) $< -o $@
 
 game: $(OBJS) $(DEPENDS)
 	$(CC) -o xinv3d $(OBJS) $(XLIB) $(LIBS) $(OPTIONS)