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##### http://autoconf-archive.cryp.to/dps_xtra_classpath.html
#
# SYNOPSIS
#
# DPS_XTRA_CLASSPATH(<classpath>,<class>,<jarfile>,<action-if-found>,<action-if-not-found>)
#
# DESCRIPTION
#
# Set $1 to extra classpath components required for class $2 found in
# a jar file in $3. If the class is found do $4 and otherwise do $5.
# Uses DPS_JAVA_CHECK_CLASS for testing whether a class is avialable
#
# LAST MODIFICATION
#
# 2008-01-28
#
# COPYLEFT
#
# Copyright (c) 2008 Duncan Simpson <dps@simpson.demon.co.uk>
#
# 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.
#
# 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, even though
# portions of the text of the Macro appear in them. The GNU General
# Public License (GPL) does govern all other use of the material that
# constitutes the Autoconf Macro.
#
# This special exception to the GPL applies to versions of the
# Autoconf Macro released by the Autoconf Macro Archive. When you
# make and distribute a modified version of the Autoconf Macro, you
# may extend this special exception to the GPL to apply to your
# modified version as well.
AC_DEFUN([DPS_XTRA_CLASSPATH],[
AC_CHECK_PROG(SED, sed)
DPS_JAVA_CHECK_CLASS([$2],[got="yes"],[got="no"])
cpxtra=""; saved_cp="${CLASSPATH}";
for jhome in `ls -dr /usr/share/java /usr/java/* /usr/local/java/* 2> /dev/null`; do
for jdir in lib jre/lib . ; do
for jfile in $3; do
if test "x$got" != "xyes" && test -f "$jhome/$jdir/$jfile"; then
CLASSPATH="${saved_cp}:$jhome/$jdir/$jfile"
DPS_JAVA_CHECK_CLASS([$2],[got="yes"; cpxtra="$jhome/$jdir/$jfile:"],[got="no"])
fi; done; done; done
if test "x${saved_cp}" != "x"; then
CLASSPATH="${saved_cp}"
else unset CLASSPATH; fi
if test "x$got" = "xyes"; then
$1="$cpxtra"
$4
true; else
$5
false; fi
])
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