The project structure looks like this now: It’s a good practice to have a separate build directory for executables. The CMakeLists.txt file for this project is quite trivial and will only contain these three lines: Each line in a CMakeLists.txt file has a command. The root directory of the project ( ~/projectzero in this case) must contain a CMakeLists.txt file. Now we’ll create a CMakeLists.txt file(with this exact capitalization) which is required by CMake: Std::cout << "Hello World!" << std::endl We’ll now create a C++ source file named hello_world.cpp which, as the name suggests, will print just Hello World! Using the mkdir and cd commands:Ĭurrently, the directory is empty. Let’s start by creating a different directory for our project. We’ll create a simple C++ Hello World program which uses CMake. To update cmake you’ll need to repeat this process for any new versions. If prompted tar: command not found, install it by typing $ sudo dnf install tar)Īlso, cmake will not be managed by the system package manager when installed this way. (You need the tar command as the script uses it. The above command will install cmake globally for all users to /usr/local/bin and the exclude-subdir option is to get rid of the extra directory that is produced while extracting the. To do that you can open it in the editor of your choice. It is in general a good idea to inspect scripts before running them.
Note: The link is for the latest version of CMake as of writing this article and may change in the future. sh file link on the website or by using the wget command : You can either download the script by clicking on the. For Ubuntu/Debian based distros, type:įor CentOS 8 based systems, we’ll be using the shell script. You can install them using the package manager. You’ll still need a compiler ( gcc/ g++) and make. Installing through either of them will get you the latest version of CMake. Using CMake’s Official WebsiteĬMake’s official website has two options to install CMake on Linux as of now:
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