Hello, I am trying to understand how to build a subdirectory project that has its own CMakeLists.txt file already setup. In this case, I am using the open source library GLFW to help me with some of my OpenGL applications. Here is a sample directory structure I am working with.
Root ├── CMakeLists.txt ├── MainProject ├── build └── glfw-3.3 The folder MainProject is where I will be doing all my own development and has a src, include, and lib folder associated with it. The glfw-3.3 directory was downloaded from online and has its own CMakeLists.txt file as mentioned previously. So if I were to build my project from the current build directory shown here, how should I add the glfw library to it and also change its target outputs? Answers online suggest using ExternalProject_Add(), while others say to simply add_subdirectory() and then change some of the properties. I want to be able to have a user run the root CMake file and have the targets be correctly placed (since users might be on different operating systems). Either way I have not been able to find an explicit example, perhaps my Googling skills for CMake are lacking, and any help on this would be appreciated. Thank you for your time. Best, mlg
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