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-rw-r--r--aclocal/rtems-top.m44
1 files changed, 4 insertions, 0 deletions
diff --git a/aclocal/rtems-top.m4 b/aclocal/rtems-top.m4
index 3d34996fa6..8c76f89682 100644
--- a/aclocal/rtems-top.m4
+++ b/aclocal/rtems-top.m4
@@ -1,5 +1,8 @@
dnl $Id$
+# AC_DISABLE_OPTION_CHECKING is not available before 2.62
+AC_PREREQ(2.62)
+
dnl
dnl RTEMS_TOP($1)
dnl
@@ -8,6 +11,7 @@ dnl
AC_DEFUN([RTEMS_TOP],
[dnl
AC_REQUIRE([RTEMS_VERSIONING])
+AC_REQUIRE([AC_DISABLE_OPTION_CHECKING])
AC_CONFIG_AUX_DIR([$1])
AC_CHECK_PROGS(MAKE, gmake make)
AC_BEFORE([$0], [AM_INIT_AUTOMAKE])dnl