Update autotools configuration
Use new libtool syntax and cleaning the code a bit
diff --git a/configure.ac b/configure.ac
index f57e2bd..5568218 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,11 +1,24 @@
-AC_INIT(wayland, 0.1)
-AM_INIT_AUTOMAKE([foreign dist-bzip2])
-AC_PROG_CC
-AC_PROG_LIBTOOL
-AC_CONFIG_MACRO_DIR([m4])
+AC_PREREQ([2.64])
+AC_INIT([wayland],
+ [0.1],
+ [https://bugs.freedesktop.org/enter_bug.cgi?product=wayland],
+ [wayland],
+ [http://wayland.freedesktop.org/])
+
AC_CONFIG_HEADERS([config.h])
+AC_CONFIG_MACRO_DIR([m4])
+
+AM_INIT_AUTOMAKE([1.11 foreign dist-bzip2])
+
AM_SILENT_RULES([yes])
+# Check for programs
+AC_PROG_CC
+
+# Initialize libtool
+LT_PREREQ([2.2])
+LT_INIT
+
PKG_PROG_PKG_CONFIG()
PKG_CHECK_MODULES(FFI, [libffi])