--- makefile.nix.orig	Wed Jan 11 23:26:26 1995
+++ makefile.nix	Sat Mar 30 18:39:08 2002
@@ -21,10 +21,9 @@
 
 MCH = nix
 
-CC = gcc
+CC ?= gcc
 CPP = $(CC) -E
-CFLAGS = -Wall -O2 -c -I../$(MCH) -I../include
-LDFLAGS = -O2
+CFLAGS += -Wall  -c -I../$(MCH) -I../include
 
 MDEFINES = "CC=$(CC)" "CPP=$(CPP)" "CFLAGS=$(CFLAGS)" "DEFS=$(DEFS)"
 SUBDIRS = c $(MCH) include