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-# ===========================================================================
-# http://www.gnu.org/software/autoconf-archive/ax_prog_java.html
-# ===========================================================================
-#
-# SYNOPSIS
-#
-# AX_PROG_JAVA
-#
-# DESCRIPTION
-#
-# Here is a summary of the main macros:
-#
-# AX_PROG_JAVAC: finds a Java compiler.
-#
-# AX_PROG_JAVA: finds a Java virtual machine.
-#
-# AX_CHECK_CLASS: finds if we have the given class (beware of CLASSPATH!).
-#
-# AX_CHECK_RQRD_CLASS: finds if we have the given class and stops
-# otherwise.
-#
-# AX_TRY_COMPILE_JAVA: attempt to compile user given source.
-#
-# AX_TRY_RUN_JAVA: attempt to compile and run user given source.
-#
-# AX_JAVA_OPTIONS: adds Java configure options.
-#
-# AX_PROG_JAVA tests an existing Java virtual machine. It uses the
-# environment variable JAVA then tests in sequence various common Java
-# virtual machines. For political reasons, it starts with the free ones.
-# You *must* call [AX_PROG_JAVAC] before.
-#
-# If you want to force a specific VM:
-#
-# - at the configure.in level, set JAVA=yourvm before calling AX_PROG_JAVA
-#
-# (but after AC_INIT)
-#
-# - at the configure level, setenv JAVA
-#
-# You can use the JAVA variable in your Makefile.in, with @JAVA@.
-#
-# *Warning*: its success or failure can depend on a proper setting of the
-# CLASSPATH env. variable.
-#
-# TODO: allow to exclude virtual machines (rationale: most Java programs
-# cannot run with some VM like kaffe).
-#
-# Note: This is part of the set of autoconf M4 macros for Java programs.
-# It is VERY IMPORTANT that you download the whole set, some macros depend
-# on other. Unfortunately, the autoconf archive does not support the
-# concept of set of macros, so I had to break it for submission.
-#
-# A Web page, with a link to the latest CVS snapshot is at
-# <http://www.internatif.org/bortzmeyer/autoconf-Java/>.
-#
-# This is a sample configure.in Process this file with autoconf to produce
-# a configure script.
-#
-# AC_INIT(UnTag.java)
-#
-# dnl Checks for programs.
-# AC_CHECK_CLASSPATH
-# AX_PROG_JAVAC
-# AX_PROG_JAVA
-#
-# dnl Checks for classes
-# AX_CHECK_RQRD_CLASS(org.xml.sax.Parser)
-# AX_CHECK_RQRD_CLASS(com.jclark.xml.sax.Driver)
-#
-# AC_OUTPUT(Makefile)
-#
-# LICENSE
-#
-# Copyright (c) 2008 Stephane Bortzmeyer <bortzmeyer@pasteur.fr>
-#
-# 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/>.
-#
-# 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 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.
-
-#serial 9
-
-AU_ALIAS([AC_PROG_JAVA], [AX_PROG_JAVA])
-AC_DEFUN([AX_PROG_JAVA],[
-m4_define([m4_ax_prog_java_list], [kaffe java])dnl
-AS_IF([test "x$JAVAPREFIX" = x],
- [test x$JAVA = x && AC_CHECK_PROGS([JAVA], [m4_ax_prog_java_list])],
- [test x$JAVA = x && AC_CHECK_PROGS([JAVA], [m4_ax_prog_java_list], [], [$JAVAPREFIX/bin])])
-test x$JAVA = x && AC_MSG_ERROR([no acceptable Java virtual machine found in \$PATH])
-m4_undefine([m4_ax_prog_java_list])dnl
-AX_PROG_JAVA_WORKS
-AC_PROVIDE([$0])dnl
-])