--- Makefile.orig	Mon Nov 17 02:32:09 1997
+++ Makefile	Sat Mar 13 21:18:05 2004
@@ -19,11 +19,10 @@
 #          
 
 PLUGIN_SDK_PATH = ./PluginSDK30b5
-PLUGIN_DEFINES= -DXP_UNIX -I$(PLUGIN_SDK_PATH)/include
+PLUGIN_DEFINES= -DXP_UNIX -I$(PLUGIN_SDK_PATH)/include -I$(X11BASE)/include
 
-CC         = gcc
-OPTIMIZER  = -O
-CFLAGS     =  $(OPTIMIZER) $(PLUGIN_DEFINES)
+CC         ?= gcc
+CFLAGS     +=  $(PLUGIN_DEFINES)
 
 SRC= sidplug.c npunix.c 
 OBJ= sidplug.o npunix.o