use our own readline in varnishadm.

component/varnish/buildout.cfg

@@ -10,6 +10,7 @@ extends =
   ../ncurses/buildout.cfg
   ../pcre/buildout.cfg
   ../pkgconfig/buildout.cfg
+  ../readline/buildout.cfg
 
 [varnish]
 <= varnish-2.0
@@ -35,8 +36,8 @@ configure-options =
 environment =
   PATH=${pkgconfig:location}/bin:%(PATH)s
   PKG_CONFIG_PATH=${pcre:location}/lib/pkgconfig
-  CPPFLAGS=-I${ncurses:location}/include
-  LDFLAGS=-L${ncurses:location}/lib -Wl,-rpath=${ncurses:location}/lib
+  CPPFLAGS=-I${ncurses:location}/include -I${readline:location}/include
+  LDFLAGS=-L${ncurses:location}/lib -Wl,-rpath=${ncurses:location}/lib -L${readline:location}/lib -Wl,-rpath=${readline:location}/lib
 
 [varnish-3.0]
 <= varnish-2.1