First you have to pull all submodules:

    $ git submodule update --init --recursive

Then install the following packages if not present (e.g. on a
fresh Ubuntu installation):
    * autoconfig-1.11
    * automake
    * libtool
    * libxml2-dev
    * ant-contrib
    * sun-java6-jdk
      Adding the 'partner' repository is needed:

         $ sudo add-apt-repository "deb http://archive.canonical.com/ natty partner")

         $ sudo apt-get update


The doxymacs module needs to be built like that:

    $ automake --add-missing

    $ autoreconf

    $ ./configure --prefix=$(pwd)

    $ make install


The autocomplete installation:

    $ cd .emacs.d/plugins/auto-complete

    $ mkdir bin

    $ make DIR=bin install

The jdee installation:

    $ cd .emacs.d/plugins/jdee

    # Edit the build.xml file with this patch:
    #    ========[cut here]=======
    #    --- a/build.xml
    #    +++ b/build.xml
    #    @@ -6,8 +6,11 @@
    #          -->
    #
    #       <!-- add in the contribs (add ant-contrib-VERSION.jar) to CLASSPATH -->
    #    -  <taskdef resource="net/sf/antcontrib/antlib.xml"/>
    #    -
    #    +  <taskdef resource="net/sf/antcontrib/antlib.xml">
    #    +    <classpath>
    #    +      <pathelement location="/usr/share/java/ant-contrib.jar"/>
    #    +    </classpath>
    #    +  </taskdef>
    #
    #       <!-- basic properties, the rest are taken from ${config.dir}/build. -->
    #       <property name="project.dir" location="./"/>
    #    ========[cut here]=======

    $ ant

The js2-mode compilation:

    $ cd .emacs.d/plugins/js2-mode

    $ emacs --batch -f batch-byte-compile js2-mode.el

The js-beautify requires the source from git://github.com/einars/js-beautify.git in ~/proj/

    $ git clone git://github.com/einars/js-beautify.git

In the end go to the top directory and run the `./install.sh` script.