Hi Mario, Do you get different results if you set CMAKE_MODULE_PATH rather than CMAKE_PREFIX_PATH? I wrote a tutorial for how to install a library called librealsense, at the very bottom is what will interest you:
https://gist.github.com/svenevs/f00ed3898d2af6248921b63254aa8cc1#enable-librealsense-for-other-cmake-projects <https://gist.github.com/svenevs/f00ed3898d2af6248921b63254aa8cc1#enable-librealsense-for-other-cmake-projects> # Allow for `find_package(realsense2)` in CMake projects export CMAKE_MODULE_PATH="/opt/librealsense/lib/cmake${CMAKE_MODULE_PATH:+:${CMAKE_MODULE_PATH}}" This environment variable can either be set, or specified like you are doing with cmake .. -DCMAKE_MODULE_PATH=“/data/thirdparty”, noting that depending on where it got installed you may also need an extra lib on that path /data/thirdparty/lib I’m sure others on this list know the “right” practice, but when CMAKE_INSTALL_PREFIX=/usr/local, it’s very common to see two possible install locations: /usr/local/cmake /usr/local/lib/cmake AKA just make sure that the zlib folder is a child directory. In the librealsense2 example, I have $ ls /opt/librealsense2/lib/cmake/ realsense2/ So since /opt/librealsense2/lib/cmake is in my CMAKE_MODULE_PATH, when I do find_package(realsense2), it will find that directory. I don’t know exactly what Zlib’s install looks like, and I know it matters whether they are using “new” or “old” cmake installation tactics, but hopefully this gets you closer to solving it! -Stephen
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