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Building Apache ODE

It seems building ODE is not the easiest thing to do. I found this the hard way when I really messed up all sorts of things when trying to build ODE in my office machine. (Funny thing is that it went to the extent of reinstalling the OS). The process is quite strange if you are new to the Ruby world like me, because ODE uses a Ruby build system called buildr. Before installing buildr following packages has to be installed if Ruby is not installed in your system.

Ruby – packages related to the language
RubyGems – the Ruby package manager

buildr internally uses the Ruby build program Rake which is a simple ruby build program with capabilities similar to make.

So the second time I was prepared. I metaculously went through the instructions in the ODE and buildr sites. Since the information is scattered a bit across sites, here is the exact the steps I went through for a succesful ODE build. Note that ODE branch and ODE trunk uses different versions of buildr. So both versions of buildr has to be installed first.

Important: I am using an Ubuntu box. So these steps are for an Ubuntu system.

Installing buildr

Step 1 – Installing Ruby

$ sudo apt-get install ruby-full ruby1.8-dev libopenssl-ruby build-essential

Step 2 – Installing RubyGems

$ wget http://rubyforge.org/frs/download.php/38646/rubygems-1.2.0.tgz
$ tar xzf rubygems-1.2.0.tgz
$ cd rubygems-1.2.0
$ sudo ruby setup.rb
$ sudo ln -s /usr/bin/gem1.8 /usr/bin/gem

Step 3 – Installing buildr

$ sudo env JAVA_HOME=$JAVA_HOME gem install buildr -v 1.2.10
//this version is used to build ODE branch

$ sudo env JAVA_HOME=$JAVA_HOME gem install buildr -v 1.3.2
//this version is used to build ODE trunk

Step 4 – Source checkout

Now installing buildr has been done ODE can be built from its source. To checkout ODE.

Branch

$> svn checkout http://svn.apache.org/repos/asf/ode/branches/APACHE_ODE_1.X ode-1.X

Trunk

$> svn checkout http://svn.apache.org/repos/asf/ode/trunk ode-trunk

Step 5 – Build ODE

Go to the checkout directory. In this case ode-1.x in case of branch and ode-trunk in case of trunk.

Building branch

$> buildr _1.2.10_ clean install TEST=no

Building trunk

$> buildr _1.3.2_ clean install TEST=no

Generating Eclipse project files

$> buildr eclipse

Generating IDEA project files

$> buildr idea

Note: It also work even if you don’t mention the buildr version in trunk build. But in the branch build version number has to be used. Otherwise you may see an error similar to this.

rake aborted!
can’t activate buildr (~> 1.2.4, runtime), already activated buildr-1.3.2
~/ode-1.x/Rakefile:17

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