--- configure.orig	2015-01-31 19:23:34.000000000 +0900
+++ configure	2015-01-31 19:25:52.000000000 +0900
@@ -646,7 +646,7 @@
 fi
 
 
-lispdir=${datadir}/emacs/site-lisp
+: ${lispdir:=${datadir}/emacs/24.4/site-lisp}
 
 trap '' 1 2 15
 cat > confcache <<\EOF