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# ===========================================================================
# http://autoconf-archive.cryp.to/acltx_package_listings_language.html
# ===========================================================================
#
# SYNOPSIS
#
# ACLTX_PACKAGE_LISTINGS_LANGUAGE(LANGUAGE,VARIABLETOSET)
#
# DESCRIPTION
#
# Test if the package listings accept the language LANGUAGE and set
# VARIABLETOSET to yes or no
#
# LICENSE
#
# Copyright (c) 2008 Boretti Mathieu <boretti@eig.unige.ch>
#
# This library is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or (at
# your option) any later version.
#
# This library is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this library. If not, see <http://www.gnu.org/licenses/>.
define(_ACLTX_PACKAGE_LANGUAGE_INTERNE,[
changequote(*, !)dnl
\documentclass{$defaultclass}
\usepackage{listings}
\lstset{language={$1}}
\begin{document}
\end{document}
changequote([, ])dnl
])
AC_DEFUN([ACLTX_PACKAGE_LISTINGS_LANGUAGE],[
AC_REQUIRE([ACLTX_PACKAGE_LISTINGS])
AC_CACHE_CHECK([for $1 language in package listings with class book],[ac_cv_latex_listings_langugae_]translit($1,[-],[_]),[
_ACLTX_TEST([
_ACLTX_PACKAGE_LANGUAGE_INTERNE($1)
],[ac_cv_latex_listings_langugae_]translit($1,[-],[_]))
])
$2=$[ac_cv_latex_listings_langugae_]translit($1,[-],[_]); export $2;
AC_SUBST($2)
])
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