# Copyright © 2023 Nick Bowler
#
# Autotest monkey patches to fix some issues.  This should be included before
# expanding AT_INIT.
#
# License WTFPL2: Do What The Fuck You Want To Public License, version 2.
# 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 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']))

# 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
# GNU-like date +%s the output should never start with a 0 so just reject
# anything that does.
m4_define([AT_INIT],
  m4_bpatsubst(m4_dquote(m4_defn([AT_INIT])),
    [\[0-9]\*,\[0-9]\*], [[1-9][0-9]*,[1-9][0-9]*]))