Installing projects on the system

In Chapter 1, First Steps with CMake, we indicated that CMake offers a command-line mode that installs built projects on the system:

cmake --install <dir> [<options>]

<dir> is the path to the generated build tree (required). Our <options> are as follows:

• --config <cfg>: This picks the build configuration for a multi-configuration generator.
• --component <comp>: This limits the installation to the given component.
• --default-directory-permissions <permissions>: This sets the default permissions for the installed directories (in <u=rwx,g=rx,o=rx> format).
• --prefix <prefix>: This specifies the non-default installation path (stored in the CMAKE_INSTALL_PREFIX variable). It defaults to /usr/local for Unix-like systems and c:/Program Files/${PROJECT_NAME} for Windows.
• -v, --verbose: This makes the output verbose (this can also be achieved by setting the VERBOSE environment...