meson:tldr:f2a41

The command "meson setup ${build_dir}" is a command used in the Meson build system to set up the build environment for a Meson project.

Here is a breakdown of the command:

• "meson setup" is the main command that sets up the build environment.
• "${build_dir}" is a variable representing the directory where the build files will be generated. This variable is typically specified by the developer and can be any directory name or path.
• The whole command "meson setup ${build_dir}" is an instruction to run the Meson setup command and create the necessary build files in the specified build directory.

The Meson build system is designed to be highly efficient and user-friendly for configuring and building projects. The "meson setup" command is usually one of the first commands executed when working with a Meson project, as it prepares the build environment for subsequent build operations.

It is worth noting that the actual behavior and options of the "meson setup" command may vary depending on the specific project and options specified in the project's build files.