--- unix/Makefile.orig	2008-05-07 02:33:56.000000000 +0400
+++ unix/Makefile	2008-08-03 06:36:20.000000000 +0400
@@ -22,7 +22,6 @@
 LN = ln -s
 
 # (to use the GNU compiler, change cc to gcc in CC)
-CC = cc
 BIND = $(CC)
 AS = $(CC) -c
 CPP = /lib/cpp
@@ -57,8 +56,7 @@
 #   CFLAGS    flags for C compile
 #   LFLAGS1   flags after output file spec, before obj file list
 #   LFLAGS2   flags after obj file list (libraries, etc)
-CFLAGS_NOOPT = -I. -DUNIX $(LOCAL_ZIP)
-CFLAGS = -O2 $(CFLAGS_NOOPT)
+CFLAGS_NOOPT = $(CFLAGS) -I. -DUNIX $(LOCAL_ZIP)
 LFLAGS1 =
 LFLAGS2 = -s