[docdir="\${prefix}/${withval}"],
[docdir="\${datarootdir}/doc"])
+AC_ARG_WITH(pdfdir,
+[ --with-pdfdir Install pdf in this directory.],
+[pdfdir="\${prefix}/${withval}"],
+[pdfdir="\${docdir}"])
+
AC_ARG_WITH(htmldir,
[ --with-htmldir Install html in this directory.],
[htmldir="\${prefix}/${withval}"],
AC_SUBST(datarootdir)
AC_SUBST(docdir)
+AC_SUBST(pdfdir)
AC_SUBST(htmldir)
AC_OUTPUT(Makefile)