I have found some hints on the Internet, but I am still not sure. What is the correct, idiomatic way to achieve what I described? If I download Eigen manually and do `sudo make install`, then they are found, but I don't want the app user to need to go through the installation of external dependencies themselves. However, this does not compile as the headers are not found. The CMakeLists.txt would be: cmake_minimum_required(VERSION 3.15) This is a minimal main.cpp app: #include Precompiling header files can speed up compilation by creating a partially processed version of some header files, and then using that version during compilations rather than repeatedly parsing the original headers. Add a list of header files to precompile. I would like to download a header-only library using FetchContent and then using its headers in my app's source code. CMake Documentation targetprecompileheaders New in version 3.16. if your post does not appear in the new queue, just send a message to the moderators.make your questions relevant to other readers.give your post a meaningful title, i.e., NOT "I have a C++ problem" but, e.g., "Problem with nested for loops".Searching on these paths is not recursive. Specify a list of paths for the IntelliSense engine to use while searching for included header files. thoroughly research for an answer first. Windows: msvc-圆4 Linux: gcc-圆4 macOS: clang-圆4 includePath An include path is a folder that contains header files (such as include 'myHeaderFile.h') that are included in a source file. Tips for improving your chances of getting helpful answers: Read these guidelines for how to ask smart questions.įor learning books, check The Definitive C++ Book Guide and Listįlair your post as SOLVED if you got the help you were looking for! If you need help with flairs, check out ITEM 1 in our guidelines page. This makes the project/library known to CMake. Hasty-sounding questions get hasty answers, or none at all. Usually, to use a library, you have to: Call addsubdirectory so that the CMakeLists.txt of this project is parsed and interpreted. New to C++? Learn at READ BEFORE POSTINGīefore you post, please read our sticky on proper code formatting. For general discussion and news about c++ see r/cpp. This is a subreddit for c++ questions with answers.
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