message: Found a script to build cmake instead of installing it.
diff: @@ -15,8 +15,11 @@ addons:
  - cmake
  - cmake-data
  before_install:
  - - sudo apt-get -qq update
  - - sudo apt-get install -y cmake
  + - mkdir $HOME/usr
  + - export PATH="$HOME/usr/bin:$PATH"
  + - wget https://cmake.org/files/v3.10/cmake-3.10.0-rc1-Linux-x86_64.sh
  + - chmod +x cmake-3.10.0-rc1-Linux-x86_64.sh
  + - ./cmake-3.7.2-Linux-x86_64.sh --prefix=$HOME/usr --exclude-subdir --skip-license
  script:
  # Link gcc-6 and g++-6 to their standard commands
  - ln -s /usr/bin/gcc-6 /usr/local/bin/gcc
  