diff -ruN ngspice_rework.orig/Makefile ngspice_rework/Makefile
--- ngspice_rework.orig/Makefile	Thu Dec 23 22:50:53 2004
+++ ngspice_rework/Makefile	Sat Dec 25 19:56:49 2004
@@ -21,6 +21,12 @@
 USE_LIBTOOL_VER?=15
 USE_GMAKE=	yes
 
+.ifndef PACKAGE_BUILDING
+CONFIGURE_ARGS += --with-readline=yes
+.else
+CONFIGURE_ARGS += --disable-debug 
+.endif
+
 INFO=		ngspice
 MAN1=		ngspice.1 ngnutmeg.1 ngsconvert.1