ABCL's build calls the hostname command, and needs the internet to download
JUnit. Neither of these are really required, though, so we can patch them out
to make it build.

--- a/build.xml
+++ b/build2.xml
@@ -327,7 +327,7 @@ from ${abcl.home.dir}
     <property name="abcl.build.path"
               value="${build.classes.dir}/org/armedbear/lisp/build"/>
     <target name="abcl.stamp" 
-            depends="abcl.compile,abcl.stamp.version,abcl.stamp.hostname">
+            depends="abcl.compile,abcl.stamp.version">
       <mkdir dir="${abcl.build.path}/.."/>
       <loadfile property="abcl.version"
                 srcFile="${abcl.version.path}"/>
@@ -455,11 +455,6 @@ from ${abcl.home.dir}
                 value="${abcl.version}-${abcl.version.src}"/>
     </target>
 
-    <target name="abcl.stamp.hostname" if="unix">
-      <exec executable="hostname" outputproperty="abcl.hostname"/>
-      <echo>abcl.hostname: ${abcl.hostname}</echo>
-    </target>
-
     <target name="abcl.system.uptodate">
       <condition property="abcl.system.needs-update.p">
         <and>
@@ -1019,8 +1014,7 @@ ${basedir}/../cl-bench
       </unzip>
     </target>
         
-    <target name="abcl.test.compile" 
-            depends="abcl.test.pre-compile">
+    <target name="abcl.test.compile" >
       <mkdir dir="${abcl.test.classes.dir}"/>
       <javac destdir="${abcl.test.classes.dir}"
              classpathref="abcl.test.compile.classpath"