+# Parsing of command-line options with arguments is busted in the two-argument
+# form if the option name contains a hyphen. Apply a fix for this bug. See
+# the following Autoconf patch description for further details:
+#
+# https://lists.gnu.org/archive/html/autoconf-patches/2020-02/msg00000.html
+m4_define([_AT_ARG_OPTION],
+ m4_bpatsubst(m4_dquote(m4_defn([_AT_ARG_OPTION])),
+ [at_prev=--AT_first_option_tr], [at_prev=--AT_first_option]))
+