AC_LATEX_INPUT(<package>,<class>,<variable>)
, 
Mathieu Boretti <boretti@eig.unige.ch>
GPLWithACException 
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. As a special exception, the respective
        Autoconf Macro's copyright owner gives unlimited permission to copy, distribute and modify
        the configure scripts that are the output of Autoconf when processing the Macro. You
        need not follow the terms of the
        
        GNU General Public License when using or distributing such scripts
cryp.to ac-archive's Obsoleted (obsoleted)
This macro test if package in <class> exists and set <variable> to
the right value (yes or no) Use \input instance of \usepackage
AC_DEFUN([AC_LATEX_PACKAGE_INPUT],[
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 $1 class])
fi
AC_CACHE_CHECK([for $1 in class $2, using input insteance of usepackage],[ac_cv_latex_i_]translit($1,[-],[_])[_]translit($2,[-],[_]),[
AC_LATEX_TEST([
\documentclass{$2}
\input $1
\begin{document}
\end{document}
],[ac_cv_latex_i_]translit($1,[-],[_])[_]translit($2,[-],[_]))
]
$3=$[ac_cv_latex_i_]translit($1,[-],[_])[_]translit($2,[-],[_]); export $3;
AC_SUBST($3)
])