CMake: How do I add a function to an installed config?

Question

I am creating a library which I am building and installing with CMake. In the CMakeLists.txt is install(TARGETS mylib ...) to install the library i

Answer 1

To clarify further, there is a module that helps your configure valid and relocatable config file.

See macro configure_package_config_file provided by CMakePackageConfigHelpers module.

As mentioned by @Tsyvarev, the XXXConfig.cmake file should still be written by hand but configured with configure_package_config_file instead of configure_file.