dnl Ensure exactly this Autoconf version is used
m4_ifndef([_GCC_AUTOCONF_VERSION],
- [m4_define([_GCC_AUTOCONF_VERSION], [2.64])])
+ [m4_define([_GCC_AUTOCONF_VERSION], [2.69])])
dnl Test for the exact version when AC_INIT is expanded.
dnl This allows to update the tree in steps (for testing)