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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
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Autoconf Macro: ac_prog_java
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<hr>
<h1>
ac_prog_java
</h1>
<h2>
Synopsis
</h2>
<p class="indent" style="white-space:nowrap;">
<code>AC_PROG_JAVA</code>
</p>
<h2>
Description
</h2>
<div class="indent">
<p>
Here is a summary of the main macros:
</p>
<p>
<a href="ac_prog_javac.html">AC_PROG_JAVAC</a>: finds a Java compiler.
</p>
<p>
AC_PROG_JAVA: finds a Java virtual machine.
</p>
<p>
<a href="ac_check_class.html">AC_CHECK_CLASS</a>: finds if we have the
given class (beware of CLASSPATH!).
</p>
<p>
<a href="ac_check_rqrd_class.html">AC_CHECK_RQRD_CLASS</a>: finds if we
have the given class and stops otherwise.
</p>
<p>
<a href="ac_try_compile_java.html">AC_TRY_COMPILE_JAVA</a>: attempt to
compile user given source.
</p>
<p>
AC_TRY_RUN_JAVA: attempt to compile and run user given source.
</p>
<p>
<a href="ac_java_options.html">AC_JAVA_OPTIONS</a>: adds Java configure
options.
</p>
<p>
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 [<a href="ac_prog_javac.html">AC_PROG_JAVAC</a>] before.
</p>
<p>
If you want to force a specific VM:
</p>
<p>
- at the configure.in level, set JAVA=yourvm before calling AC_PROG_JAVA
</p>
<pre>
(but after AC_INIT)
</pre>
<p>
- at the configure level, setenv JAVA
</p>
<p>
You can use the JAVA variable in your Makefile.in, with @JAVA@.
</p>
<p>
*Warning*: its success or failure can depend on a proper setting of the
CLASSPATH env. variable.
</p>
<p>
TODO: allow to exclude virtual machines (rationale: most Java programs
cannot run with some VM like kaffe).
</p>
<p>
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.
</p>
<p>
A Web page, with a link to the latest CVS snapshot is at <<a href=
"http://www.internatif.org/bortzmeyer/autoconf-Java/">http://www.internatif.org/bortzmeyer/autoconf-Java/</a>>.
</p>
<p>
This is a sample configure.in Process this file with autoconf to produce a
configure script.
</p>
<pre>
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)
</pre>
</div>
<h2>
Author
</h2>
<p class="indent">
Stephane Bortzmeyer <bortzmeyer@pasteur.fr>
</p>
<h2>
Last Modified
</h2>
<p class="indent">
2000-07-19
</p>
<h2>
M4 Source Code
</h2>
<div class="indent">
<pre class="m4source">
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
])
</pre>
</div>
<h2>
License
</h2>
<div class="indent">
<span style="white-space:nowrap;">Copyright © 2000 Stephane Bortzmeyer
<bortzmeyer@pasteur.fr></span>
<p>
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.
</p>
<p>
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.
</p>
<p>
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.
</p>
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As a special exception, the respective Autoconf Macro's copyright owner
gives unlimited permission to copy, distribute and modify the configure
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appear in them. The GNU General Public License (GPL) does govern all other
use of the material that constitutes the Autoconf Macro.
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released by the Autoconf Macro Archive. When you make and distribute a
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