```ruby

%w{ant ant-contrib autoconf libtool libssl libssl-dev maven javacc python git-core mercurial subversion bzr git-svn make perlmagick}.each do |pkg|
  package pkg do
    action :install
  end
end

```

Install bison on build server
user
```ruby

%w{ant ant-contrib autoconf bison libtool libssl libssl-dev maven javacc python git-core mercurial subversion bzr git-svn make perlmagick}.each do |pkg|
  package pkg do
    action :install
  end
end

```
assistant