--- Makefile.in.orig	2007-08-04 09:11:41.000000000 +0900
+++ Makefile.in	2007-10-08 06:50:25.000000000 +0900
@@ -203,7 +203,7 @@
 	AUTHORS COPYING ChangeLog INSTALL LICENSE NEWS \
         README README.CVS README.OSX README.win32 bootstrap
 
-pkgconfigdir = $(libdir)/pkgconfig
+pkgconfigdir = $(prefix)/libdata/pkgconfig
 pkgconfig_DATA = CTL.pc
 all: all-recursive