--- Makefile.orig	2011-06-01 09:07:20.000000000 +0800
+++ Makefile	2011-06-01 09:07:54.000000000 +0800
@@ -11,7 +11,7 @@
 DATE	  = date
 EMACS	  = emacs
 ETAGS	  = etags
-FLAGS     = -batch -q -no-site-file -l SKK-MK
+FLAGS     = -batch -q -no-site-file --eval '(setq PREFIX "${PREFIX}")' --eval '(setq SKK_LISPDIR "${SKK_LISPDIR}")' -l SKK-MK
 GZIP      = gzip -9
 MD5	  = md5
 RM	  = /bin/rm -f