diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..e4b10d3
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,45 @@
+PROJECT_VERSION=`./debianize.sh getversion`
+DISTPREFIX=artloglaby
+DISTJAR=$(DISTPREFIX)-$(PROJECT_VERSION).jar
+
+all: build.xml dist/lib/$(DISTJAR)
+
+getname:
+	@echo dist/lib/$(DISTJAR)
+
+dist:
+	mkdir -p dist
+
+dist/lib/$(DISTJAR): dist
+	ant dist
+
+build.xml:
+	./antify.sh >$@
+
+clean:
+	rm -f build.xml
+	rm -f dist/lib/$(DISTPREFIX)*.jar
+	rm -rf build
+
+cleanall:	clean
+	rm -rf debian
+	rm -rf deb
+
+debian:
+	mkdir debian
+
+deb/%:
+	mkdir -p deb
+	touch $@
+	./debianize.sh create $@
+
+debian/compat:
+	echo "7" >$@
+
+debian/%:
+	./debianize.sh create $@ >$@
+
+deb:	debian debian/rules debian/control debian/compat debian/changelog deb/javadoc deb/jlibs
+	dpkg-buildpackage -uc -us
+
+.PHONY: clean all cleanall getname deb
diff --git a/absant.sh b/absant.sh
new file mode 100755
index 0000000..6b87496
--- /dev/null
+++ b/absant.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+buildscript=$1
+
+if [[ -e $buildscript ]]
+then
+    # protect ${ variables.
+    sed 's/\${/\\\${/g' build.xml
+else
+    echo "[ERROR] this $0 tool expect an initial argument with buildscript" >&2
+fi
+    
diff --git a/antify.sh b/antify.sh
new file mode 100755
index 0000000..c1ca9fd
--- /dev/null
+++ b/antify.sh
@@ -0,0 +1,50 @@
+#!/bin/bash
+
+source ./project_params
+
+# TODO reuse internal tsamp ${DSTAMP}
+
+cat <<EOF
+<project name="$project_name" default="$project_default" basedir="$project_basedir">
+    <description>
+        simple example build file
+    </description>
+  <!-- set global properties for this build -->
+  <property name="src" location="java"/>
+  <property name="build" location="build"/>
+  <property name="dist"  location="dist"/>
+
+  <target name="init">
+    <!-- Create the time stamp -->
+    <tstamp/>
+    <!-- Create the build directory structure used by compile -->
+    <mkdir dir="\${build}"/>
+  </target>
+
+  <target name="compile" depends="init"
+        description="compile the source " >
+    <!-- Compile the java code from \${src} into \${build} -->
+    <javac srcdir="\${src}" destdir="\${build}"/>
+  </target>
+
+  <target name="dist" depends="compile"
+        description="generate the distribution" >
+    <!-- Create the distribution directory -->
+    <mkdir dir="\${dist}/lib"/>
+
+    <!-- Put everything in \${build} into the ${project_name}-${project_version}}-${DSTAMP}.jar file -->
+    <jar jarfile="\${dist}/lib/${project_name}-${project_version}.jar" basedir="\${build}">
+            <manifest>
+                <attribute name="Main-Class" value="$project_mainclass"/>
+            </manifest>
+     </jar>
+  </target>
+
+  <target name="clean"
+        description="clean up" >
+    <!-- Delete the \${build} and \${dist} directory trees -->
+    <delete dir="\${build}"/>
+    <delete dir="\${dist}"/>
+  </target>
+</project>
+EOF
diff --git a/debianize.sh b/debianize.sh
new file mode 100755
index 0000000..3677ae9
--- /dev/null
+++ b/debianize.sh
@@ -0,0 +1,67 @@
+#!/bin/bash
+
+action=$1
+file=$2
+
+maintainer="Artlog <pl@artisanlogiciel.net>"
+
+if [[ $action == getversion ]]
+then
+    source ./project_params
+    echo $project_version
+elif [[ $action == create ]]
+then
+    source ./project_params
+
+    if [[ $file == debian/control ]]
+    then
+    
+    cat <<EOF
+Source: ${project_name}-java
+Priority: extra
+Maintainer: $maintainer
+Build-Depends: debhelper (>= 7.0.50~), javahelper (>=0.25)
+Build-Depends-Indep: default-jdk, default-jdk-doc, libtrove-java, libtrove-java-doc, ant
+Standards-Version: ${project_version}
+Section: java
+
+Package: ${project_name}-java
+Architecture: all
+Depends: \${java:Depends}, \${misc:Depends}
+Recommends: \${java:Recommends}
+Description: Labyrinth generator
+  Labyrinth generator
+
+Package: ${project_name}-java-doc
+Architecture: all
+Depends: \${java:Depends}, \${misc:Depends}
+Recommends: \${java:Recommends}
+Description: Labyrinth generator (documentation)
+ Labyrinth generator
+EOF
+    elif [[ $file = debian/changelog ]]
+    then
+    cat <<EOF
+${project_name}-java (${project_version}) unstable; urgency=low
+
+  * Initial debian package
+
+ -- ${maintainer}  $(LANG=C date -R)
+EOF
+    elif [[ $file = debian/rules ]]
+    then
+	cat <<EOF
+#!/usr/bin/make -f
+JAVA_HOME=/usr/lib/jvm/default-java
+
+%:
+	dh \$@ --with javahelper
+EOF
+    elif [[ $file = deb/javadoc ]]
+    then
+	echo "api /usr/share/doc/${project_name}-java/api" >debian/${project_name}-java-doc.javadoc
+    elif [[ $file = deb/jlibs ]]
+    then
+	echo "dist/lib/${project_name}-${project_version}.jar" >debian/${project_name}-java.jlibs
+    fi
+fi
diff --git a/doit.sh b/doit.sh
index 52cb5df..a3502e3 100755
--- a/doit.sh
+++ b/doit.sh
@@ -51,13 +51,22 @@ action=initial
 
 while [[ $action != quit ]]
 do
-    action=$($DIALOG --menu "Ultra Light IDE" 20 80 8 run "Run it" test "Test it" readme "Read me" code "Code" codebg "Code in background" quit "Quit" 3>&1 1>&2 2>&3)
+    action=$($DIALOG --menu "Ultra Light IDE" 20 80 8 run "Run it" clean "Clean All" ant "Ant build" test "Test it" readme "Read me" code "Code" codebg "Code in background" deb "Debian package" quit "Quit" 3>&1 1>&2 2>&3)
 
     if [[ $action == run ]]
     then
 	echo "run it"
-	pushd java
-	make display
+	java -jar $(make getname)
+    elif [[ $action == ant ]]
+    then
+	make clean
+	make
+	ant compile
+    elif [[ $action == clean ]]
+    then
+	make clean
+        pushd java
+	make clean
 	popd
     elif [[ $action == test ]]
     then
@@ -65,6 +74,9 @@ do
 	pushd java
 	make display
 	popd
+    elif [[ $action == deb ]]
+    then
+	make deb
     elif [[ $action =~ code ]]
     then
 	do_code $action
diff --git a/java/org/artisanlogiciel/games/Main.java b/java/org/artisanlogiciel/games/Main.java
index 607c7a4..12c82e9 100644
--- a/java/org/artisanlogiciel/games/Main.java
+++ b/java/org/artisanlogiciel/games/Main.java
@@ -6,13 +6,9 @@ import java.util.LinkedList;
 public class Main
 {
 
-    public WallsProvider generate(int width,int height, int maxdepth, MazeListener listener)
+    public WallsProvider generate(int width,int height, int maxdepth, MazeResolutionListener listener)
     {
 	LabyModel model = new LabyModel(width, height,maxdepth, new java.util.Random());
-	if ( listener != null )
-	    {
-		model.setListener(listener);
-	    }
 	model.generateWithEntry(0, 0);
 	LinkedList<Position> exits = new LinkedList<Position>();
 	model.addEntryOrExit(-1,0);
@@ -21,7 +17,7 @@ public class Main
 	    {
 		System.out.println("Check failed");
 	    }
-	model.resolve(width-1,height-1);
+	model.resolve(width-1,height-1,listener);
 	return model;
     }
 
@@ -38,7 +34,7 @@ public class Main
 		System.out.println("Check failed");
 	    }
 	model.debugOut();
-	model.resolve(width-1,height-1);
+	model.resolve(width-1,height-1,null);
 	LabyMap labyMap =model.toLabyMap();
 	return labyMap;
     }
diff --git a/project_params b/project_params
new file mode 100644
index 0000000..550f64a
--- /dev/null
+++ b/project_params
@@ -0,0 +1,6 @@
+project_name=artloglaby
+project_default=dist
+project_basedir=$(pwd)
+project_mainpackage=org.artisanlogiciel.games
+project_mainclass=$project_mainpackage.Display
+project_version=0.0.1