Update autotools configuration

Use new libtool syntax and cleaning the code a bit

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])