-AC_INIT([apply-default-acl], [0.3.1], [michael@orlitzky.com])
-AM_INIT_AUTOMAKE([-Wall foreign no-dist-gzip dist-xz])
+AC_INIT([apply-default-acl], [0.4.2], [michael@orlitzky.com])
+# Store build artifacts in this directory to keep the house clean.
+AC_CONFIG_AUX_DIR([build-aux])
+AM_INIT_AUTOMAKE([-Wall foreign no-dist-gzip dist-xz tar-ustar])