--- Imakefile.orig	Sun Oct 10 14:55:09 1999
+++ Imakefile	Sun Oct 10 14:55:29 1999
@@ -1,7 +1,7 @@
 LOCAL_LIBRARIES = -lXpm -lXext -lX11 -lm
 SRCS = xeji.c
 OBJS = xeji.o
-CC = gcc     
-CFLAGS = -O2 -DXPM
+CC ?= gcc     
+CFLAGS += -O2 -DXPM
 CDEBUGFLAGS =
 ComplexProgramTarget(xeji)