<p>In <a href="https://github.com/mlpack/mlpack/pull/705#discussion_r69025407">.travis.yml</a>:</p>
<pre style='color:#555'>&gt; @@ -10,12 +10,11 @@ before_install:
&gt;    - export CXX=g++-4.8
&gt;    - printenv
&gt;    - sudo cp .travis/config.hpp /usr/include/armadillo_bits/config.hpp
&gt; -install:
&gt; -  - mkdir build &amp;&amp; cd build &amp;&amp; cmake -DDEBUG=OFF -DPROFILE=OFF .. &amp;&amp; make -j4
&gt; -script:
&gt; -  - travis_wait 30 ./bin/mlpack_test -p
&gt; -notifications:
&gt; -  email:
&gt; -    - mlpack-git@cc.gatech.edu
&gt; -  irc:
&gt; -    - &quot;chat.freenode.net#mlpack&quot;
&gt; +  - pip install --user cpp-coveralls
&gt; +  - sudo apt-get install lcov
&gt; +  - sudo apt-get install ruby
&gt; +  - sudo gem install coveralls-lcov
&gt; +  - printf &quot;Y\n&quot; &gt; apt_input.txt
</pre>
<p>This line shouldn't be necessary anymore. :)  You can also use <code>apt-get -y</code> if you need, or even <code>yes | apt-get install ...</code>.</p>

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