message: Export path to CMake for Linux build
diff: @@ -67,8 +67,8 @@ install:
  if ! test -d $HOME/cmake/bin; then
  CMAKE_URL="https://cmake.org/files/v${CMAKE_VERSION%.[0-9]}/cmake-${CMAKE_VERSION}-Linux-x86_64.tar.gz"
  travis_retry wget --no-check-certificate -O - ${CMAKE_URL} | tar --strip-components=1 -xz -C $HOME/cmake
  - export PATH=$HOME/cmake/bin:${PATH}
  fi
  + export PATH=$HOME/cmake/bin:${PATH}
  else
  brew upgrade cmake
  fi
  