Fix warnings from autoconf.
authorGuus Sliepen <guus@tinc-vpn.org>
Sun, 27 Jun 2021 12:55:23 +0000 (14:55 +0200)
committerGuus Sliepen <guus@tinc-vpn.org>
Sun, 27 Jun 2021 12:55:23 +0000 (14:55 +0200)
commit5e8a37ee797b1bea33760e5e3d3c3a67e7dfbd0d
tree54246acb6010a8601eefba74d204a963f67c0e31
parentb2fe16d635dded2d6c3096d85672696d0b82dcd1
Fix warnings from autoconf.

Bump the minimum required version of autoconf to 2.69, and avoid using
macros it warns are obsolete.
configure.ac