-# the libltdl installable library and INCLTDL to the include flags for
-# the libltdl header and adds --enable-ltdl-install to the configure
-# arguments. Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
-# AC_CONFIG_SUBDIRS called. If DIR is not provided and an installed
-# libltdl is not found, it is assumed to be `libltdl'. LIBLTDL will
-# be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
-# with '${top_srcdir}/' (note the single quotes!). If your package is
-# not flat and you're not using automake, define top_builddir and
-# top_srcdir appropriately in the Makefiles.
+# the libltdl installable library, and adds --enable-ltdl-install to
+# the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor
+# is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed
+# to be `${top_builddir}/libltdl'. Make sure you start DIR with
+# '${top_builddir}/' (note the single quotes!) if your package is not
+# flat, and, if you're not using automake, define top_builddir as
+# appropriate in the Makefiles.