aclocal -I m4 || die "Failed to run aclocal."
autoheader || die "Failed to run autoheader."
-libtoolize --copy || die "Failed to run libtoolize."
+libtoolize --copy --ltdl || die "Failed to run libtoolize."
automake --add-missing || die "Failed to run automake."
autoconf || die "Failed to run autoconf."