##### http://autoconf-archive.cryp.to/acltx_package_location.html
#
# SYNOPSIS
#
#   ACLTX_PACKAGE_LOCATION(FILENAME,VARIABLETOSET)
#
# DESCRIPTION
#
#   Find the file FILENAME in the acces path of texmf and set
#   VARIABLETOSET to the location or no if not found
#
# LAST MODIFICATION
#
#   2006-07-16
#
# COPYLEFT
#
#   Copyright (c) 2006 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, write to the Free Software
#   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
#   02110-1301 USA

AC_DEFUN([ACLTX_PACKAGE_LOCATION],[
AC_REQUIRE([ACLTX_PROG_KPSEWHICH])
AC_CACHE_CHECK([for location of $1],[ac_cv_latex_location_]translit($1,[-.],[__]),[
[ac_cv_latex_location_]translit($1,[-.],[__])=`$kpsewhich $1`; export [ac_cv_latex_location_]translit($1,[-.],[__]);
if test "[ac_cv_latex_location_]translit($1,[-.],[__])" = "";
then
    [ac_cv_latex_location_]translit($1,[-.],[__])="no"; export [ac_cv_latex_location_]translit($1,[-.],[__]);
fi
echo "$as_me:$LINENO: executing $kpsewhich $1" >&5
])
$2=$[ac_cv_latex_location_]translit($1,[-.],[__]); export $2;
AC_SUBST($2)
])