--- Makefile.in.orig	Sat Apr 23 15:51:17 2005
+++ Makefile.in	Sat Apr 23 15:51:24 2005
@@ -79,7 +79,7 @@
 scanssh_SOURCES = scanssh.c atomicio.c exclude.c connecter.c xmalloc.c 	interface.c socks.c http.c telnet.c exclude.h interface.h 	scanssh.h socks.h xmalloc.h
 
 scanssh_LDADD = @LIBOBJS@ @PCAPLIB@ @EVENTLIB@ @DNETLIB@
-CFLAGS = -O2 -Wall -g
+CFLAGS+= -Wall -g
 
 INCLUDES = -I$(top_srcdir)/@DNETCOMPAT@ -I$(top_srcdir)/compat 	@EVENTINC@ @PCAPINC@ @DNETINC@