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POGenerate manifest class-path from <classpath> in Ant
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  1. POGenerate manifest class-path from <classpath> in Ant
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    copied!<p>In the build file below, the jar target refers to the jar.class.path property for the manifest class-path. The compile target refers to project.class.path</p> <p>There is redundancy here, because jar.class.path and project.class.path are very similar. They must be both updated when libraries are added, which can be a pain if the list of libraries gets very long. Is there a better way? Any solution must be cross-platform and always use relative paths.</p> <p>Edit:<br> It should generate the JAR classpath from a fileset and not the other way around, so I can use wildcards to e.g. include all JAR files in a directory.</p> <pre><code>&lt;?xml version="1.0"?&gt; &lt;project name="Higgins" default="jar" basedir="."&gt; &lt;property name="jar.class.path" value="lib/forms-1.2.0.jar lib/BrowserLauncher.jar"/&gt; &lt;path id="project.class.path"&gt; &lt;pathelement location="build"/&gt; &lt;fileset dir="lib"&gt; &lt;include name="forms-1.2.0.jar"/&gt; &lt;include name="BrowserLauncher.jar"/&gt; &lt;/fileset&gt; &lt;/path&gt; &lt;target name="prepare"&gt; &lt;mkdir dir="build"/&gt; &lt;/target&gt; &lt;target name="compile" depends="prepare" description="Compile core sources"&gt; &lt;javac srcdir="src" includes="**" destdir="build" debug="true" source="1.5"&gt; &lt;classpath refid="project.class.path"/&gt; &lt;/javac&gt; &lt;/target&gt; &lt;target name="jar" depends="compile" description="Generates executable jar file"&gt; &lt;jar jarfile="higgins.jar"&gt; &lt;manifest&gt; &lt;attribute name="Main-Class" value="nl.helixsoft.higgins.Main"/&gt; &lt;attribute name="Class-Path" value="${jar.class.path}"/&gt; &lt;/manifest&gt; &lt;fileset dir="build" includes="**/*.class"/&gt; &lt;fileset dir="src" includes="**/*.properties"/&gt; &lt;/jar&gt; &lt;/target&gt; &lt;/project&gt; </code></pre>
 

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