--- Makefile.am.orig	2010-10-07 21:00:14.000000000 +0900
+++ Makefile.am	2010-10-14 18:02:13.000000000 +0900
@@ -2,7 +2,7 @@
 SUBDIRS = src include patches frontend

 if HAVE_PKGCONFIG
-    pkgconfigdir = $(libdir)/pkgconfig
+    pkgconfigdir = $(prefix)/libdata/pkgconfig
     pkgconfig_DATA = aacplus.pc
 else
     bin_SCRIPTS = aacplus-config