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How To Make Your Library Support find_package()

Geoffrey Hunter Author


As a code library maintainer, if you want your users to be able to use find_package(MyPackage) in CMake files, you need to now how to create a CMake package.

Annoyingly, this is not a simple task!

If the user performs a local install, they may call cmake as:

build$ cmake -DCMAKE_INSTALL_PREFIX=../install ..

Referencing Your Package From Downstream Build

Once you have created your package, you will be wanting to be able to use find_package() in a downstream package.

The CMake variable CMAKE_PREFIX_PATH can be used to specify local install locations for your dependent packages.

External Resources

A great resource on creating a CMake package can be found at

An working GitHub example repo which uses the CMake packaging system can be found at