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If you are using the bundled distribution and planned to only use the compiled libraries {{\*.jar}}, you can skip this section. Otherwise you will learn how to compile JFreeReport into libraries, how to generate documentations, ... using [Ant|http://ant.apache.org], the building system we are using.
To know if Ant is already installed on your system just type ant in your system command line:
{code}
$> ant \-version
Apache Ant version 1.6.5 compiled on June 2 2005
{code}
If it is not working try to get the procedure how to install Ant to your system or do a manual install as describe on Ant [installation|http://ant.apache.org/manual/install.html] page.

Here is a reminder if you don't want or need to read the full installation documentation. First get the lastest Ant binary version on the [download|http://ant.apache.org/srcdownload.cgi] page. Once extracted you will get the following layout:
* a directory containing launcher scripts, {{bin/}}.
* a directory containing Ant jars plus necessary dependencies, {{lib/}}.
* a directory containing documentations, {{docs/}}.
* a directory containing goodies, {{etc/}}.

Then define a variable called *ANT_HOME* that points to the root directory of the Ant distribution you just extract:
{code}
# On Windows environments
$> set ANT_HOME=drive:\path\to\ant
# On Unix environments
$> export ANT_HOME=/path/to/ant
{code}
And to finish append the luncher scripts directory to your executable path:
{code}
# On Windows environments
$> set PATH=%PATH%;%ANT_HOME%\bin
# On Unix environments
$> export PATH=$ {PATH}:${ANT_HOME}/bin
{code}
Now Ant is working just go to the {{ant/}} directory of JFreeReport distribution and type the command *ant*. This command will automaticaly load the configuration file named {{build.xml}} and will process the whole compilation of the project. The result will be exactly the same as JFreeReport bundled distribution we saw in a previous section.

//{color:#ff0000}ant targets description{color}