diff -urN zaptel-1.4.orig/Makefile zaptel-1.4/Makefile
--- zaptel-1.4.orig/Makefile	2007-05-25 16:25:33 +0300
+++ zaptel-1.4/Makefile	2007-06-21 03:34:18 +0300
@@ -136,7 +136,7 @@
   ALL_MODULES+=$(patsubst %,xpp/%.ko,xpp_usb xpd_fxo xpd_fxs xpp)
 endif
 
-CFLAGS+=-I. -O4 -g -Wall -DBUILDING_TONEZONE #-DTONEZONE_DRIVER
+CFLAGS+=-I. $(RPM_OPT_FLAGS) -DBUILDING_TONEZONE #-DTONEZONE_DRIVER
 ifneq (,$(findstring ppc,$(UNAME_M)))
 CFLAGS_PPC:=-fsigned-char
 endif