diff -urN mISDNuser.orig/Makefile mISDNuser/Makefile
--- mISDNuser.orig/Makefile	2007-04-12 19:20:53 +0300
+++ mISDNuser/Makefile	2007-06-21 03:04:10 +0300
@@ -28,7 +28,7 @@
 LIBDIR=/usr/lib
 export LIBDIR
 
-CFLAGS:= -g -Wall -I $(INCLUDEDIR) -I $(MISDNINCLUDEDIR)
+CFLAGS:= $(RPM_OPT_FLAGS) -I $(INCLUDEDIR) -I $(MISDNINCLUDEDIR)
 CFLAGS+= -D CLOSE_REPORT=1
 
 #disable this if your system does not support PIC (position independent code)