configure.ac: compatibility for Debian lenny

diff --git a/configure.ac b/configure.ac
index 15c1212..25589c2 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -11,7 +11,7 @@ AC_SYS_LARGEFILE
 
 AC_PROG_CC
 AC_PROG_CXX
-LT_INIT
+m4_ifdef([LT_INIT], [LT_INIT], [AC_PROG_LIBTOOL])
 AC_CONFIG_MACRO_DIR([m4])
 
 AC_CHECK_HEADERS([dbox/fp.h dbox/lcd-ks0713.h])