anchor.diff:  . Install the prerequisite libraries, if they are not installed.
   +
   ----
  -$ sudo apt-get install autoconf automake curl g++ gcc gdb git \
  +$ sudo apt-get install autoconf automake curl flex g++ gcc gdb git \
     krb5-admin-server krb5-kdc krb5-user libkrb5-dev libsasl2-dev libsasl2-modules \
     libsasl2-modules-gssapi-mit libssl-dev libtool lsb-release make ntp openssl \
     patch pkg-config python rsync unzip vim-common
  
positive.code: ----
  #!/bin/bash
  
  sudo apt-get -y install autoconf automake curl g++ gcc gdb git \
    krb5-admin-server krb5-kdc krb5-user libkrb5-dev libsasl2-dev libsasl2-modules \
    libsasl2-modules-gssapi-mit libssl-dev libtool lsb-release make ntp openssl \
    patch pkg-config python rsync unzip vim-common
  
negative.code: - If solid state storage is available, storing Kudu WALs on such high-performance
  media may significantly improve latency when Kudu is configured for its highest
  durability levels.
  
  .Java
  - JDK 7 or JDK 8 is required to build Kudu, but a JRE is not required at runtime
    except for tests.
  
  [[install_packages]]
  == Install Using Packages
  