You can use environment variables to specify the location of source files.You can use environment variables to specify the location of build files.There are many different ways that you can use environment variables with CMake. For example, the following command would set the `CMAKE_BUILD_TYPE` environment variable to the value `Debug` for all CMake projects that are built on the current system: To set an environment variable globally, you can use the `-D` option. For example, the following code would set the `CMAKE_BUILD_TYPE` environment variable to the value `Debug`: To set an environment variable locally, you can use the `set()` function. There are two ways to set environment variables with CMake: locally and globally. How to Set Environment Variables with CMake For example, the following command would set the `HOME` environment variable to the value `/home/user`:Įnvironment variables can also be set in a number of other ways, such as through the `export` command, in shell scripts, or in configuration files. Environment variables can be used to store anything from the user’s home directory to the path to a particular file.Įnvironment variables are typically set using the `set` command. You will be able to use them to improve the performance and portability of your builds.Īn environment variable is a piece of information that is stored in the environment of a running process. We will also provide some examples of how you can use environment variables to improve your build process.īy the end of this guide, you will have a solid understanding of how to use environment variables with CMake. We will cover the basics of environment variables, and we will show you how to set them both locally and globally.

In this guide, we will show you how to set environment variables using CMake. Environment variables are used to store information that can be used by the compiler, linker, and other tools during the build process. One of the most important features of CMake is its ability to set environment variables. CMake Set Environment Variable: A Guide for BeginnersĬMake is a powerful build tool that can be used to build software across a wide range of platforms.

Cmake include environment variable