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# ===========================================================================
# http://autoconf-archive.cryp.to/acltx_package_babel.html
# ===========================================================================
#
# SYNOPSIS
#
# ACLTX_PACKAGE_BABEL([ACTION-IF-FOUND[,ACTION-IF-NOT-FOUND]])
#
# DESCRIPTION
#
# Check if the package babel exists and set babel 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/>.
AC_DEFUN([ACLTX_PACKAGE_BABEL],[
AC_REQUIRE([ACLTX_DEFAULT_CLASS])
AC_CACHE_CHECK([for babel with class $defaultclass],[ac_cv_latex_package_f_babel],[
_ACLTX_TEST([changequote(*, !)dnl
\documentclass{$defaultclass}
\usepackage[english]{babel}
\begin{document}
\end{document}dnl
changequote([, ])],[ac_cv_latex_package_f_babel])
])
babel=$[ac_cv_latex_package_f_babel]; export babel;
AC_SUBST(babel)
ifelse($#,0,[],$#,1,[
if test "$babel" != "no" ;
then
$1
fi
],$#,2,[
ifelse($1,[],[
if test "babel" = "no" ;
then
$2
fi
],[
if test "babel" != "no" ;
then
$1
else
$2
fi
])
])
])
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