This fixes a bug in AT_ARG_OPTION_ARG where the two-argument form
does not work if the option name contains a hyphen:
% ./testsuite --my-option val
testsuite: error: invalid variable name: `--my_option'
# This is free software: you are free to do what the fuck you want to.
# There is NO WARRANTY, to the extent permitted by law.
# This is free software: you are free to do what the fuck you want to.
# There is NO WARRANTY, to the extent permitted by law.
-# In a shell function, redirections on : are not correctly handled
-# by Solaris /bin/sh. See the following Autoconf patch for details:
+# In a shell function, redirections on : are not correctly handled by some
+# shells, including Solaris 10 /bin/sh. Work around the problem using 'eval'.
+# See the following Autoconf patch description for further details:
#
# https://lists.gnu.org/archive/html/autoconf-patches/2021-03/msg00000.html
m4_define([AT_INIT],
m4_bpatsubst(m4_dquote(m4_defn([AT_INIT])),
[^\( *\)\(: >"\$at_stdout".*$\)], [\1eval '\2']))
#
# https://lists.gnu.org/archive/html/autoconf-patches/2021-03/msg00000.html
m4_define([AT_INIT],
m4_bpatsubst(m4_dquote(m4_defn([AT_INIT])),
[^\( *\)\(: >"\$at_stdout".*$\)], [\1eval '\2']))
+# 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]))
+
# The computation of the elapsed time can crash the testsuite on DJGPP because
# in this environment date +%s can return a string that starts with a 0, which
# bash interprets as octal digits in arithmetic expansions. With a working
# The computation of the elapsed time can crash the testsuite on DJGPP because
# in this environment date +%s can return a string that starts with a 0, which
# bash interprets as octal digits in arithmetic expansions. With a working