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# ==============================================================================
# https://www.gnu.org/software/autoconf-archive/ax_check_awk_match_3parms.html
# ==============================================================================
#
# SYNOPSIS
#
# AX_CHECK_AWK_MATCH_3PARMS([ACTION-IF-SUCCESS],[ACTION-IF-FAILURE])
#
# DESCRIPTION
#
# Check if AWK supports match() function with 3 parameters (GNU
# extension). If successful execute ACTION-IF-SUCCESS otherwise
# ACTION-IF-FAILURE.
#
# This work is heavily based upon testawk.sh script by Heiner Steven. You
# should find his script (and related works) at
# <http://www.shelldorado.com/articles/awkcompat.html>. Thanks to
# Alessandro Massignan for his suggestions and extensive nawk tests on
# FreeBSD.
#
# LICENSE
#
# Copyright (c) 2009 Francesco Salvestrini <salvestrini@users.sourceforge.net>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 9
AC_DEFUN([AX_CHECK_AWK_MATCH_3PARMS], [
AX_TRY_AWK_EXPOUT([match() with 3 parameters],
[],[ match("abc", /(b)/, a) ; print a[1]],[b],
[$1],[$2])
])
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