--- unix/Makefile.in.orig	Thu Jul  7 16:27:51 2011
+++ unix/Makefile.in	Thu Jul  7 16:27:53 2011
@@ -90,8 +90,8 @@ C_INCLUDE_PATH = @C_INCLUDE_PATH@
 # They cannot be placed in conf.h since they indirectly rely on $prefix.
 DEFS = \
   @DEFS@ \
-  -DPOVLIBDIR=\"@datadir@/@PACKAGE@-@VERSION_BASE@\" \
-  -DPOVCONFDIR=\"@sysconfdir@/@PACKAGE@/@VERSION_BASE@\" \
+  -DPOVLIBDIR=\"@povlibdir@\" \
+  -DPOVCONFDIR=\"@sysconfdir@/@PACKAGE@/\" \
   -DPOVCONFDIR_BACKWARD=\"@sysconfdir@\"
 
 DEPDIR = @DEPDIR@