--- Makefile.orig	Tue Oct 22 04:18:27 1996
+++ Makefile	Fri Mar 31 05:23:20 2000
@@ -6,17 +6,18 @@
 #                              #
 ################################
 
-INCLUDES	= -I/usr/X11/include
+INCLUDES	= -I${X11BASE}/include
 
 # Remove '-DIPC_OK' if you have problems with 'shared-memory' (IPC routines)
 OPC		= -DIPC_OK
 
-LIBRARIES	= -lX11 -L/usr/X11/lib
+LIBRARIES	= -lX11 -L${X11BASE}/lib
 
 CFILES		= xtruco.c bitmap.c cursor.c display.c event.c gc.c pixmap.c\
 		  topwind.c window.c color.c button.c font.c read.c
 
-CC		= gcc -O2 -g -Dlinux -DX11R6 $(INCLUDES) $(OPC)
+CC		?= gcc
+CFLAGS		+= -DX11R6 $(INCLUDES) $(OPC)
 
 PROG=xtruco
 
@@ -25,7 +26,7 @@
 OBJS=$(CFILES:.c=.o)
 
 all:	$(OBJS)
-	$(CC) -o $(PROG) $(LIBRARIES) $(OBJS)
+	$(CC) $(CFLAGS) -o $(PROG) $(LIBRARIES) $(OBJS)
 #	strip ${PROG}
 
 clean: