+
+# Can we rebuild the xml-lexers from the XML specification?
+# if not, simply touch the flex source files (which are distributed in
+# tarballs even if generated by flexml) and hope for the best.
+AC_CHECK_PROG(FLEXML,flexml,,NOTFOUND)
+AM_CONDITIONAL(HAVE_FLEXML,test x$FLEXML != NOTFOUND)
+