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##### http://autoconf-archive.cryp.to/ac_prog_java.html
#
# SYNOPSIS
#
# AC_PROG_JAVA
#
# DESCRIPTION
#
# Here is a summary of the main macros:
#
# AC_PROG_JAVAC: finds a Java compiler.
#
# AC_PROG_JAVA: finds a Java virtual machine.
#
# AC_CHECK_CLASS: finds if we have the given class (beware of
# CLASSPATH!).
#
# AC_CHECK_RQRD_CLASS: finds if we have the given class and stops
# otherwise.
#
# AC_TRY_COMPILE_JAVA: attempt to compile user given source.
#
# AC_TRY_RUN_JAVA: attempt to compile and run user given source.
#
# AC_JAVA_OPTIONS: adds Java configure options.
#
# AC_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 [AC_PROG_JAVAC] before.
#
# If you want to force a specific VM:
#
# - at the configure.in level, set JAVA=yourvm before calling
# AC_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
# AC_PROG_JAVAC
# AC_PROG_JAVA
#
# dnl Checks for classes
# AC_CHECK_RQRD_CLASS(org.xml.sax.Parser)
# AC_CHECK_RQRD_CLASS(com.jclark.xml.sax.Driver)
#
# AC_OUTPUT(Makefile)
#
# LAST MODIFICATION
#
# 2000-07-19
#
# COPYLEFT
#
# Copyright (c) 2000 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, 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([AC_PROG_JAVA],[
AC_REQUIRE([AC_EXEEXT])dnl
if test x$JAVAPREFIX = x; then
test x$JAVA = x && AC_CHECK_PROGS(JAVA, kaffe$EXEEXT java$EXEEXT)
else
test x$JAVA = x && AC_CHECK_PROGS(JAVA, kaffe$EXEEXT java$EXEEXT, $JAVAPREFIX)
fi
test x$JAVA = x && AC_MSG_ERROR([no acceptable Java virtual machine found in \$PATH])
AC_PROG_JAVA_WORKS
AC_PROVIDE([$0])dnl
])
|
