# ===========================================================================
#       http://www.nongnu.org/autoconf-archive/ax_check_java_home.html
# ===========================================================================
#
# SYNOPSIS
#
#   AX_CHECK_JAVA_HOME
#
# DESCRIPTION
#
#   Check for Sun Java (JDK / JRE) installation, where the 'java' VM is in.
#   If found, set environment variable JAVA_HOME = Java installation home,
#   else left JAVA_HOME untouch, which in most case means JAVA_HOME is
#   empty.
#
# LICENSE
#
#   Copyright (c) 2008 Gleen Salmon <gleensalmon@yahoo.com>
#
#   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, see <http://www.gnu.org/licenses/>.
#
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#   gives unlimited permission to copy, distribute and modify the configure
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#
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#   Macro released by the Autoconf Archive. When you make and distribute a
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AC_DEFUN([AX_CHECK_JAVA_HOME],[
AC_REQUIRE([AC_EXEEXT])dnl
TRY_JAVA_HOME=`ls -dr /usr/java/* 2> /dev/null | head -n 1`
if test x$TRY_JAVA_HOME != x; then
	PATH=$PATH:$TRY_JAVA_HOME/bin
fi
AC_PATH_PROG(JAVA_PATH_NAME, java$EXEEXT)
if test x$JAVA_PATH_NAME != x; then
	JAVA_HOME=`echo $JAVA_PATH_NAME | sed "s/\(.*\)[[/]]bin[[/]]java$EXEEXT$/\1/"`
fi;dnl
])