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#
# Copyright (C) 2004 Boretti Mathieu
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
#
# AC_LATEX_CLASSES([<class1>,<class2>,...,<classn>],<variable>)
#
# Test the presences of class1 or class2 or ...
# and set $<variable> to the right value or no if not found
#
dnl @synopsis AC_LATEX_CLASSES([<class1>,<class2>,...],<var>)
dnl
dnl Test if class1 exists and if not class2 and so
dnl and set $var to the right value
dnl
dnl AC_LATEX_CLASSES([allo,book,bnjour],book)
dnl should set $book="book"
dnl
dnl @version 1.3
dnl @author Mathieu Boretti boretti@eig.unige.ch
dnl
define(_AC_LATEX_CLASSES_INTERNE,[
ifelse($#,1,[],$#,2,[
AC_LATEX_CLASS($2,$1)
],[
AC_LATEX_CLASS($2,$1)
if test "$$1" = "yes";
then
$1=$2 ; export $1 ;
else
_AC_LATEX_CLASSES_INTERNE($1,m4_shift(m4_shift($@)))
fi;
])
])
AC_DEFUN([AC_LATEX_CLASSES],[
_AC_LATEX_CLASSES_INTERNE($2,$1)
AC_SUBST($2)
])
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