--- src/Makefile.freebsd.orig	Mon Dec 16 16:08:16 1996
+++ src/Makefile.freebsd	Sun Dec 22 13:38:43 1996
@@ -1,6 +1,6 @@
 SHELL = /bin/sh
-MAKE = make
-CC = gcc
+MAKE?= make
+CC?= gcc
 
 # FLAGS REQUIRED FOR PORTING
 # SUNOS 4.1.4, HPUX 10.0, and LINUX NEED NOTHING DEFINED
@@ -13,7 +13,7 @@
 #LIBS = -ll -lnsl -lsocket	# SOLARIS NEEDS THIS
 
 # FREEBSD NEEDS SPECIAL ZOMBIE HANDLING
-CFLAGS=-DZOMBIE -O
+CFLAGS+=-DZOMBIE
 
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