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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
<title>Autoconf Macro: ac_prog_java</title>
<link rel="stylesheet" type="text/css" href="ac-archive.css">
</head>
<body>
<table summary="web navigation" style="width:100%;">
<tbody>
<tr>
<td style="width:50%;" align="center">[<a href="index.html">Macro Index
Page</a>]</td>
<td style="width:50%;" align="center">[<a href=
"../m4source/ac_prog_java.m4">Download M4 Source</a>]</td>
</tr>
</tbody>
</table>
<hr>
<h1>ac_prog_java</h1>
<h2>Synopsis</h2>
<div class="indent">
<p style="text-align:left; white-space:nowrap;">
<code>AC_PROG_JAVA</code></p>
</div>
<h2>Description</h2>
<div class="indent">
<p>Here is a summary of the main macros:</p>
<p>AC_PROG_JAVAC: finds a Java compiler.</p>
<p>AC_PROG_JAVA: finds a Java virtual machine.</p>
<p>AC_CHECK_CLASS: finds if we have the given class (beware of
CLASSPATH!).</p>
<p>AC_CHECK_RQRD_CLASS: finds if we have the given class and stops
otherwise.</p>
<p>AC_TRY_COMPILE_JAVA: attempt to compile user given source.</p>
<p>AC_TRY_RUN_JAVA: attempt to compile and run user given source.</p>
<p>AC_JAVA_OPTIONS: 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 [AC_PROG_JAVAC] 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
<http://www.internatif.org/bortzmeyer/autoconf-Java/>.</p>
<p>This is a sample configure.in Process this file with autoconf to produce
a configure script.</p>
<pre>
AC_INIT(UnTag.java)
</pre>
<pre>
dnl Checks for programs.
AC_CHECK_CLASSPATH
AC_PROG_JAVAC
AC_PROG_JAVA
</pre>
<pre>
dnl Checks for classes
AC_CHECK_RQRD_CLASS(org.xml.sax.Parser)
AC_CHECK_RQRD_CLASS(com.jclark.xml.sax.Driver)
</pre>
<pre>
AC_OUTPUT(Makefile)
</pre>
</div>
<h2>Version</h2>
<div class="indent">
<p>1.2 (last modified: 2000-07-19)</p>
</div>
<h2>Author</h2>
<div class="indent">
<p>Stephane Bortzmeyer <bortzmeyer@pasteur.fr></p>
</div>
<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>Copyright</h2>
<div class="indent">
<a href="COPYING.html">GNU General Public License</a> with this special
<a href="COPYING-Exception.html">exception</a>.
</div>
</body>
</html>
|
