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# ===========================================================================
# http://www.nongnu.org/autoconf-archive/ax_latex_classes.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_LATEX_CLASSES(CLASSESNAMES,VARIABLETOSET[,ACTION-IF-FOUND[,ACTION-IF-NOT-FOUND]])
#
# DESCRIPTION
#
# This class search for the first suitable package in CLASSESNAMES (comma
# separated list) and set VARIABLETOSET to the class found or to 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(_AX_LATEX_CLASSES_INTERNE,[
ifelse($#,1,[],$#,2,[
AX_LATEX_CLASS($2,$1)
],[
AX_LATEX_CLASS($2,$1)
if test "$$1" = "yes";
then
$1=$2 ; export $1 ;
else
_AX_LATEX_CLASSES_INTERNE($1,m4_shift(m4_shift($@)))
fi;
])
])
AC_DEFUN([AX_LATEX_CLASSES],[
_AX_LATEX_CLASSES_INTERNE($2,$1)
AC_SUBST($2)
ifelse($#,2,[],$#,3,[
if test "[$]$2" != "no" ;
then
$3
fi
],$#,4,[
ifelse($3,[],[
if test "[$]$2" = "no" ;
then
$4
fi
],[
if test "[$]$2" != "no" ;
then
$3
else
$4
fi
])
])
])
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