dnl Include the stamp file, which will cause a failure at autoconf time
dnl if it does not exist in the checkout. We circumvent m4_include to
dnl avoid warnings about multiple inclusions.
-m4_builtin([include], m4_defn([_DX_BASEDIR])[/m4/dx-stamp.m4])
+m4_pushdef([m4_include], [m4_builtin([include], $][@)])
+m4_include(m4_defn([_DX_BASEDIR])[/m4/dx-stamp.m4])
+m4_popdef([m4_include])
_DX_STAMP_DUMMY
dnl Autoconf scripts should use the DX_BASEDIR m4 macro instead of the