update configure.ac a bit

diff --git a/configure.ac b/configure.ac
index 8df08a9..f2a2ca4 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -19,14 +19,14 @@
 # License along with libatasmart. If not, If not, see
 # <http://www.gnu.org/licenses/>.
 
-AC_PREREQ(2.57)
+AC_PREREQ(2.63)
 
 AC_INIT([libatasmart], 0.14, [mzyvongnfzneg (at) 0pointer (dot) net])
 AC_CONFIG_SRCDIR([atasmart.c])
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_MACRO_DIR(m4)
 
-AM_INIT_AUTOMAKE([foreign 1.9 -Wall])
+AM_INIT_AUTOMAKE([foreign 1.11 -Wall -Wno-portability silent-rules tar-pax])
 
 AC_SUBST(PACKAGE_URL, [http://git.0pointer.de/?p=libatasmart.git])