2006-09-11 04:19:00 +00:00
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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2002-02-28 22:40:18 +00:00
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<html>
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<head>
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<meta http-equiv="Content-Language" content="en-us">
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2005-04-29 18:58:16 +00:00
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<link rel="stylesheet" type="text/css" href="stylesheets/style.css">
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2002-02-28 22:40:18 +00:00
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<title>Platform Issues</title>
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</head>
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2018-02-08 22:52:33 +01:00
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<body>
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2002-02-28 22:40:18 +00:00
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<h1>Platform Issues</h1>
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2004-11-11 15:49:14 +00:00
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<h2>Java versions</h2>
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<h3>Java 5</h3>
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<p>
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You may need a bigger stack than default, especially if you are using
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the built in XSLT engine. We recommend you use Apache Xalan; indeed,
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some tasks (JUnit report in XML, for example) may not work against the
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shipping XSL engine.
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</p>
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2004-11-11 15:49:14 +00:00
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2004-08-03 23:12:58 +00:00
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<h2>Unix and Linux</h2>
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<ul>
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<li>You should use a GNU version of <code>tar</code> to untar the Apache
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2004-08-03 23:12:58 +00:00
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Ant source tree, if you have downloaded this as a tar file. If you get
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2018-02-28 07:58:59 +01:00
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weird errors about missing files, this is the problem.</li>
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<li>Ant does not preserve file permissions when a file is copied,
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moved or archived, because Java does not let it read or write the
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permissions. Use <code><chmod></code> to set permissions, and
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when creating a tar archive, use the <var>mode</var> attribute
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of <code><tarfileset></code> to set the permissions in the tar
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file, or <code><apply></code> the real tar program.</li>
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<li>Ant is not symbolic link aware in moves, deletes and when
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recursing down a tree of directories to build up a list of
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files. Unexpected things can happen.</li>
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<li>Linux on IA-64: apparently you need a larger heap than the default
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one (64M) to compile big projects. If you get out of heap errors,
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either increase the heap or use a forking javac. Better yet, use jikes
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for extra compilation speed.</li>
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2002-02-28 22:40:18 +00:00
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</ul>
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<h2>Microsoft Windows</h2>
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2006-07-13 11:07:58 +00:00
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<p>
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Windows 9x (win95, win98, win98SE and winME) are not supported in Ant1.7,
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</p>
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<p>
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2018-02-28 07:58:59 +01:00
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The Ant team has retired support for these products because they are
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outdated and can expose customers to security risks. We recommend that
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customers who are still running Windows 98 or Windows Me upgrade to a
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newer, more secure operating system, as soon as possible.
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2006-07-13 11:07:58 +00:00
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</p>
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<p>
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Customers who upgrade to Linux report improved security, richer
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functionality, and increased productivity.
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2006-07-13 11:07:58 +00:00
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</p>
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2018-02-08 22:52:33 +01:00
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2018-02-28 07:58:59 +01:00
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<h2>Microsoft Windows 2K, XP and Server 2K03</h2>
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2006-07-13 11:07:58 +00:00
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<p>
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Windows 9x (win95, win98, win98SE and winME) has a batch file system
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which does not work fully with long file names, so we recommend that
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ant and the JDK are installed into directories without spaces, and
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with 8.3 filenames. The Perl and Python launcher scripts do not
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suffer from this limitation.
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2006-07-13 11:07:58 +00:00
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</p>
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2002-02-28 22:40:18 +00:00
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<p>
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All versions of Windows are usually case insensitive, although mounted
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file systems (Unix drives, ClearCase views) can be case sensitive
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underneath, confusing patternsets.
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2006-07-13 11:07:58 +00:00
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</p>
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2002-02-28 22:40:18 +00:00
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<p>
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Ant can often not delete a directory which is open in an Explorer
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window. There is nothing we can do about this short of spawning a
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program to kill the shell before deleting directories. Nor can files
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that are in use be overwritten.
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2006-07-13 11:07:58 +00:00
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</p>
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<p>
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2018-02-28 07:58:59 +01:00
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Finally, if any Ant task fails with an <code>error=2</code>, it
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means that whatever native program Ant is trying to run, it is not
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on the path.
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2006-07-13 11:07:58 +00:00
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</p>
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<h2>Microsoft Windows Vista</h2>
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<p>
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2018-02-28 07:58:59 +01:00
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There are reports of problems with Windows Vista security bringing
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up dialog boxes asking if the user wants to run an untrusted
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executable during an Ant run, such as when the <signjar> task
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runs the <code>jarsigner.exe</code> program. This is beyond Ant's
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control, and stems from the OS trying to provide some illusion of
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security by being reluctant to run unsigned native executables. The
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latest Java versions appear to resolve this problem by having signed
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binaries.
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2006-07-13 11:07:58 +00:00
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</p>
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2003-05-24 00:31:49 +00:00
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<h2>Cygwin</h2>
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2018-02-08 22:52:33 +01:00
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<p>
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Cygwin is not an operating system; rather it is an application suite
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running under Windows and providing some UNIX like functionality. Sun
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has not created any specific Java Development Kit or Java Runtime
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Environment for cygwin. See this
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link: <a href="http://www.inonit.com/cygwin/faq/">http://www.inonit.com/cygwin/faq/</a>.
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Only Windows path names are supported by JDK and JRE tools under
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Windows or cygwin. Relative path names such as "src/org/apache/tools"
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are supported, but Java tools do not
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understand <samp>/cygdrive/c</samp> to mean <samp>c:\</samp>.
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</p>
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2003-05-24 00:31:49 +00:00
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<p>
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2018-02-28 07:58:59 +01:00
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The utility <code>cygpath</code> (used industrially in
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the <code>ant</code> script to support cygwin) can convert cygwin path
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names to Windows. You can use the <code><exec></code> task in
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Ant to convert cygwin paths to Windows path, for instance like that:
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</p>
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2003-05-24 00:31:49 +00:00
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<pre>
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<property name="some.cygwin.path" value="/cygdrive/h/somepath"/>
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<exec executable="cygpath" outputproperty="windows.pathname">
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<arg value="--windows"/>
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<arg value="${some.cygwin.path}"/>
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</exec>
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<echo message="${windows.pathname}"/>
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</pre>
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2018-02-08 22:52:33 +01:00
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<p>
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We get lots of support calls from Cygwin users. Either it is
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incredibly popular, or it is trouble. If you do use it, remember that
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Java is a Windows application, so Ant is running in a Windows process,
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not a Cygwin one. This will save us having to mark your bug reports as
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invalid.
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2018-02-08 22:52:33 +01:00
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</p>
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2004-08-03 23:12:58 +00:00
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2018-02-28 07:58:59 +01:00
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<h2>Apple MacOS X/macOS</h2>
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2018-02-08 22:52:33 +01:00
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<p>
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MacOS X a.k.a. macOS is the first of the Apple platforms that Ant
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supports completely; it is treated like any other Unix.
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2018-02-08 22:52:33 +01:00
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</p>
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2002-02-28 22:40:18 +00:00
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<h2>Novell Netware</h2>
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<p>
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To give the same level of sophisticated control as Ant's startup
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scripts on other platforms, it was decided to make the main ant
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startup on NetWare be via a Perl Script, <code>runant.pl</code>. This
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is found in the <samp>bin</samp> directory (for
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instance—<samp>bootstrap\bin</samp>
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or <samp>dist\bin</samp>).
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</p>
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2002-03-07 16:10:40 +00:00
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2018-02-08 22:52:33 +01:00
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<p>One important item of note is that you need to set up the following to run Ant:</p>
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2018-02-28 07:58:59 +01:00
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<ul>
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<li><code>CLASSPATH</code>—put <samp>ant.jar</samp> and any other needed jars on the system classpath.</li>
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<li><code>ANT_OPTS</code>—On NetWare, <code>ANT_OPTS</code>
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needs to include a parameter of the
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form, <code>-envCWD=<i>ANT_HOME</i></code>,
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with <code><i>ANT_HOME</i></code> being the fully expanded location
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of Ant, <strong>not</strong> an environment variable. This is due
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to the fact that the NetWare System Console has no notion of a
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current working directory.</li>
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2002-03-07 16:10:40 +00:00
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</ul>
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2018-02-28 07:58:59 +01:00
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<p>It is suggested that you create up an ant.ncf that sets up these parameters, and calls <samp>perl ANT_HOME/dist/bin/runant.pl</samp></p>
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<p>The following is an example of such an NCF file (assuming Ant is installed in <samp>sys:/apache-ant/</samp>):</p>
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<pre>
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envset CLASSPATH=sys:/apache-ant/bootstrap/lib/ant.jar
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envset CLASSPATH=$CLASSPATH;sys:/apache-ant/lib/optional/junit.jar
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envset CLASSPATH=$CLASSPATH;sys:/apache-ant/bootstrap/lib/optional.jar
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2018-02-08 22:52:33 +01:00
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setenv ANT_OPTS=-envCWD=sys:/apache-ant
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envset ANT_OPTS=-envCWD=sys:/apache-ant
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setenv ANT_HOME=sys:/apache-ant/dist/lib
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envset ANT_HOME=sys:/apache-ant/dist/lib
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2018-02-08 22:52:33 +01:00
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2018-02-28 07:58:59 +01:00
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perl sys:/apache-ant/dist/bin/runant.pl</pre>
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2002-03-07 16:10:40 +00:00
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2018-02-28 07:58:59 +01:00
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<p>Ant works on JVM version 1.3 or higher. You may have some luck
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running it on JVM 1.2, but serious problems have been found running
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Ant on JVM 1.1.7B. These problems are caused by JVM bugs that will
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not be fixed.</p>
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2002-03-07 16:10:40 +00:00
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<p>JVM 1.3 is supported on Novell NetWare versions 5.1 and higher.</p>
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2002-02-28 22:40:18 +00:00
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<h2>Other platforms</h2>
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2018-02-28 07:58:59 +01:00
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<p>
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Support for other platforms is not guaranteed to be complete, as
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certain techniques to hide platform details from build files need to
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be written and tested on every particular platform. Contributions in
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this area are welcome.
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</p>
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2002-02-28 22:40:18 +00:00
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2018-02-08 22:52:33 +01:00
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</body>
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2002-02-28 22:40:18 +00:00
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</html>
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