This is a game-changer. No more manual downloads. CLion will fetch the library directly from Git or HTTP.
You have two files: a header ( .h ) and a library binary ( .lib , .a , .so , .dylib ). You need to tell CMake both where to find the headers and which library file to link. # Tell compiler where headers are target_include_directories(my_app PRIVATE /path/to/library/include) Tell linker where the .lib file is target_link_libraries(my_app PRIVATE /path/to/library/lib/mylib.lib) For a shared library ( .dll / .so ): Same as above, but after building, you must ensure the .dll or .so is in the same folder as your executable or in your system PATH / LD_LIBRARY_PATH . The Cleaner Way: Using Variables set(MY_LIB_DIR "/usr/local/mylib") target_include_directories(my_app PRIVATE $MY_LIB_DIR/include) target_link_libraries(my_app PRIVATE $MY_LIB_DIR/lib/mylib.so) Pro tip: Use add_library(IMPORTED) for maximum control: clion add external library
If you’re using , JetBrains’ powerful cross-platform IDE, you have several excellent—and sometimes confusing—options. Do you manually edit CMakeLists.txt ? Use find_package ? Or point and click in the settings? This is a game-changer