Index: configure.ac
===================================================================
--- configure.ac	(revision a12810dda8add70794eb4b75ea4727e41ba9a889)
+++ configure.ac	(revision 33a129a073c822863cde7aa42ee208fcb6123ad2)
@@ -28,5 +28,5 @@
 # New AST toggling support
 AH_TEMPLATE([CFA_USE_NEW_AST],[Sets whether or not to use the new-ast, this is adefault value and can be overrided by --old-ast and --new-ast])
-DEFAULT_NEW_AST="False"
+DEFAULT_NEW_AST="True"
 AC_ARG_ENABLE(new-ast,
 	[  --enable-new-ast     whether or not to use new ast as the default AST algorithm],
@@ -103,6 +103,6 @@
 # Create variables for commonly used targets
 
-TOP_SRCDIR="$(readlink -m $ac_confdir/)/"
-TOP_BUILDDIR="$(readlink -m $ac_pwd/)/"
+TOP_SRCDIR="$(readlink -e $ac_abs_confdir/)/"
+TOP_BUILDDIR="$(readlink -e $ac_pwd/)/"
 
 AC_DEFINE_UNQUOTED(TOP_SRCDIR, "$TOP_SRCDIR", [Top src directory])