<div dir="ltr">Why can't I set INCLUDE_DIRECTORIES for a source file?<div><br><div><a href="https://cmake.org/cmake/help/v3.0/manual/cmake-properties.7.html">https://cmake.org/cmake/help/v3.0/manual/cmake-properties.7.html</a><br></div></div><div><br></div><div>I can probably use COMPILE_FLAGS ; but how to guarantee that -I is the proper option for every compiler?</div><div><br></div></div>