Support older autotools

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/configure.ac b/configure.ac
index 74fb795db41e9cc8b9d35e5176df95595c03b1fb..be6a6611345ee09026ffd0764c94e9cdf5d2a3ea 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -29,7 +29,7 @@ AC_DEFINE_UNQUOTED([VERSION_PATCHLEVEL], $patchlevel_version, [UST patchlevel ve
 AC_PROG_CC
 AC_PROG_CXX
 AC_PROG_MAKE_SET
-LT_INIT
+m4_ifdef([LT_INIT], [LT_INIT], [AC_PROG_LIBTOOL])
 
 ## Checks for libraries.
 AC_CHECK_LIB([dl], [dlopen])