SuperNET/travis_cmake_linux.sh

#!/bin/bash
sudo rm -rf /usr/local/cmake-3.9.2 && sudo rm -rf /usr/local/cmake
wget https://cmake.org/files/v3.12/cmake-3.12.0-rc2-Linux-x86_64.sh
chmod +x cmake-3.12.0-rc2-Linux-x86_64.sh
sudo ./cmake-3.12.0-rc2-Linux-x86_64.sh --skip-license --exclude-subdir --prefix=/usr/local
Install 3.12.0 cmake on travis Linux. 7 years ago			`#!/bin/bash`
Try to update cmake on Mac travis. 7 years ago			`sudo rm -rf /usr/local/cmake-3.9.2 && sudo rm -rf /usr/local/cmake`
			`wget https://cmake.org/files/v3.12/cmake-3.12.0-rc2-Linux-x86_64.sh`
			`chmod +x cmake-3.12.0-rc2-Linux-x86_64.sh`
			`sudo ./cmake-3.12.0-rc2-Linux-x86_64.sh --skip-license --exclude-subdir --prefix=/usr/local`