diff --git a/build.xml b/build.xml
new file mode 100755
index 0000000..0e82b88
--- /dev/null
+++ b/build.xml
@@ -0,0 +1,132 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- $Id$ -->
+
+<project name="zweic" default="build" basedir=".">
+
+    <property environment="env"/>
+    <property name="scala.home" value="${env.SCALA_HOME}"/>
+    <property file="./build.properties"/>
+
+    <condition property="os.win"><os family="windows"/></condition>
+
+    <target name="init.win" if="os.win">
+        <property name="scala.home.win" value="${scala.home}"/>
+        <property name="scala.prefix" value="${scala.home.win}"/>
+    </target>
+
+    <target name="init.unix" unless="os.win">
+        <property name="scala.home.unix" value="${scala.home}"/>
+        <property name="scala.prefix" value="${scala.home.unix}/share/scala"/>
+    </target>
+
+    <target name="init" depends="init.win, init.unix">
+        <echo level="verbose">scala.prefix=${scala.prefix}</echo>
+        <path id="scala.cpath">
+            <pathelement location="${scala.prefix}/lib/fjbg.jar"/>
+            <pathelement location="${scala.prefix}/lib/msil.jar"/>
+            <pathelement location="${scala.prefix}/lib/scala.jar"/>
+        </path>
+        <path id="scalac.cpath">
+            <path refid="scala.cpath"/>
+            <pathelement location="${scala.prefix}/src"/>
+            <pathelement location="${scala.prefix}/lib/tools.jar"/>
+        </path>
+        <fail message="Directory ${scala.prefix} does not contain a valid Scala distribution">
+            <condition><not>
+                <available classname="scala.tools.scalac.ant.Scalac"
+                           classpathref="scalac.cpath"/>
+            </not></condition>
+        </fail>
+        <taskdef name="scalac"
+                 classname="scala.tools.scalac.ant.Scalac"
+                 classpathref="scalac.cpath"/>
+    </target>
+
+    <target name="build" depends="init">
+        <mkdir dir="${output.dir}"/>
+        <javac srcdir="${sources.dir}" destdir="${output.dir}">
+            <classpath>
+               <pathelement location="${output.dir}"/>
+            </classpath>
+            <include name="**/*.java"/>
+        </javac>
+        <scalac srcdir="${sources.dir}" destdir="${output.dir}"
+                excludes="${exclude.files}">
+            <classpath>
+                <pathelement location="${output.dir}"/>
+            </classpath>
+            <include name="**/*.scala"/>
+            <exclude name="**/*-partial.scala"/>
+        </scalac>
+    </target>
+
+    <target name="init.zweic" depends="init">
+        <macrodef name="zweic">
+            <attribute name="classname"/>
+            <attribute name="srcdir"/>
+            <attribute name="file"/>
+            <sequential>
+                <echo/>
+                <echo>Running zweic on file @{file}</echo>
+                <java classname="@{classname}" fork="true">
+                    <classpath>
+                        <path refid="scala.cpath"/>
+                        <pathelement location="${output.dir}"/>
+                    </classpath>
+                    <arg line="@{srcdir}/@{file}"/>
+                </java>
+            </sequential>
+        </macrodef>
+    </target>
+
+    <target name="run" depends="build, init.zweic">
+        <zweic classname="${compiler.main}" srcdir="${examples.dir}" file="${test.file}"/>
+    </target>
+
+    <target name="init.submit">
+        <echo level="verbose">group=${group}</echo>
+        <condition property="isset.group">
+    	    <length string="${group.number}" length="2"/>
+        </condition>
+        <fail unless="isset.group">Erreur: votre numero de groupe manque ou est incorrect; veuillez le definir dans votre fichier build.properties</fail>
+    </target>
+
+    <target name="submit" depends="init.submit">
+	<zip destfile="${group}.zip">
+	    <zipfileset dir="${sources.dir}" prefix="${group}/sources"
+	                includes="**/*.scala"
+	                excludes="**/.gen/**"/>
+	    <zipfileset dir="." prefix="${group}"
+	                includes="Makefile"/>
+	</zip>
+        <mail subject="[COMPILATION] ${group}" encoding="auto">
+            <from address="${from.address}"/>
+            <to address="${to.address}"/>
+            <message>You'll find attached the solution of group ${group}.
+            </message>
+            <fileset dir=".">
+                <include name="${group}.zip"/>
+            </fileset>
+        </mail>
+        <delete file="${group}.zip"/>
+    </target>
+
+    <target name="clean">
+        <delete>
+            <fileset dir="${output.dir}" includes="**/*.class"/>
+            <fileset dir="." includes=".latest-*"/>
+        </delete>
+    </target>
+
+    <target name="distclean" depends="clean">
+        <delete>
+            <fileset dir="." includes="**/*~"/>
+            <fileset dir="." includes="**/core*"/>
+        </delete>
+    </target>
+
+    <!--
+    <import file="./build.tests.xml"/>
+    -->
+
+</project>