updated for version 7.2a
diff --git a/src/config.mk.in b/src/config.mk.in
index 759559a..9590d44 100644
--- a/src/config.mk.in
+++ b/src/config.mk.in
@@ -109,6 +109,9 @@
 ### Prefix for location of data files
 BINDIR		= @bindir@
 
+### For autoconf 2.60 and later (avoid a warning)
+datarootdir	= @datarootdir@
+
 ### Prefix for location of data files
 DATADIR		= @datadir@