anchor.diff:  . Install the prerequisite libraries, if they are not installed:
   +
   ----
  -$ sudo apt-get -y install git autoconf automake libboost-thread-dev curl gcc g++ \
  -  libssl-dev libsasl2-dev libsasl2-modules libtool ntp patch pkg-config make rsync \
  -  unzip vim-common gdb python
  +$ sudo apt-get install git autoconf automake libboost-thread-dev \
  +  libboost-system-dev curl gcc g++ libssl-dev libsasl2-dev libsasl2-modules \
  +  libtool ntp patch pkg-config make rsync unzip vim-common gdb python
   ----
   
   . Optional: Install the `asciidoctor` gem and xsltproc if you plan to build documentation.
   +
   ----
  -$ sudo apt-get -y install asciidoctor xsltproc
  +$ sudo apt-get install asciidoctor xsltproc
   ----
   
   . Clone the Git repository and change to the new `kudu` directory.
  
positive.code: ----
  #!/bin/bash
  
  sudo apt-get -y install git autoconf automake libboost-thread-dev curl gcc g++ \
    libssl-dev libsasl2-dev libsasl2-modules libtool ntp patch pkg-config make rsync \
    unzip vim-common gdb python
  git clone http://github.com/cloudera/kudu
  cd kudu
  thirdparty/build-if-necessary.sh
  
negative.code: . Install the prerequisite libraries, if they are not installed:
  +
  ----
  $ sudo yum install gcc gcc-c++ autoconf automake libtool \
    boost-static boost-devel openssl-devel cyrus-sasl-devel \
    cyrus-sasl-plain patch pkgconfig make rsync vim-common gdb
  ----
  
  . Optional: Install the `asciidoctor` gem if you plan to build documentation.
  