ac_latex_package

#
#   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_PACKAGE(<packagen>],<class>,<variable>)
#
# Test the presences of package and set $<variable> 
# to yes or no
#
#
dnl @synopsis AC_LATEX_PACKAGE(<package>,<class>,<variable>)
dnl
dnl This macro test if package in <class> exists
dnl and set <variable> to the right value
dnl
dnl  AC_LATEX_PACKAGE(varioref,book,vbook)
dnl  should set $vbook="yes"
dnl
dnl  AC_LATEX_PACKAGE(xyz,book,vbook)
dnl  should set $vbook="no"
dnl
dnl @version 1.1
dnl @author Mathieu Boretti boretti@bss-network.com
dnl

AC_DEFUN([AC_LATEX_PACKAGE],[
if test "$[ac_cv_latex_class_]translit($2,[-],[_])" = "" ;
then
	AC_LATEX_CLASS($2,boretti_classesansparametre)
	export boretti_classesansparametre;
else
	boretti_classesansparametre=$[ac_cv_latex_class_]translit($2,[-],[_]) ;
	export boretti_classesansparemetre;
fi;
if test $boretti_classesansparametre = "no" ;
then
    AC_MSG_ERROR([Unable to find $2 class])
fi
AC_CACHE_CHECK([for $1 in class $2],[ac_cv_latex_]translit($1,[-],[_])[_]translit($2,[-],[_]),[
_AC_LATEX_TEST([
\documentclass{$2}
\usepackage{$1}
\begin{document}
\end{document}
],[ac_cv_latex_]translit($1,[-],[_])[_]translit($2,[-],[_]))
])
$3=$[ac_cv_latex_]translit($1,[-],[_])[_]translit($2,[-],[_]); export $3;
AC_SUBST($3)
])