Feel free to remove CMakeCache.txt and CMakeFiles. Note The sub-commands RELATIVEPATH, TOCMAKEPATH and TONATIVEPATH has been superseded, respectively, by sub-commands RELATIVEPATH, CONVERT. For other path manipulation, handling only syntactic aspects, have a look at cmakepath () command. Message(FATAL_ERROR "You cannot build in a source directory (or any directory with a CMakeLists.txt file). This command is dedicated to file and path manipulation requiring access to the filesystem. To add this folder to your CMake path: set(CMAKE_MODULE_PATH "$/CMakeLists.txt" LOC_PATH) An set of some common helpers is at /CLIUtils/cmake. You often want a cmake folder, with all of your helper modules. Eg: addexecutable (myApp src1.cpp src2. Adding libraries and common source files Switching build types Adding a 'run' target Advanced CMakeLists. Find an appropriate location in 3rdparty/CMakeLists.txt to declare the library. Use add_subdirectory to add a subdirectory containing a CMakeLists.txt. Typically, developers first learn CMake in a very simple manner, defining a target by listing the source files directly in the addexecutable () or addlibrary () command itself. Add the URL/tarball file to the top of 3rdparty/CMakeLists.txt. That's also why there is a directory for your project inside the include directory. This is because you should be able to copy the contents of the include directory to /usr/include or similar directly (except for configuration headers, which I go over in another chapter), and not have any extra files or cause any conflicts. Notice a few things already apparent the CMakeLists.txt files are split up over all source directories, and are not in the include directories. You'll also sometime see a python folder for python bindings, or a cmake folder for helper CMake files, like Find.cmake files. tests/, and the application folder may be called something else (or not exist for a library-only project). The names are not absolute you'll see contention about test/ vs. Keep from muddling and complicating your build.įirst, this is what your files should look like when you start if your project is creatively called project, with a library called lib, and a executable called app: - project.CMakeLists.txt file is placed at the source of the project you want to build. Easily read other projects following the same patterns, For example, while CMake is running, it locates include files, libraries.For other path manipulation, handling only syntactic aspects, have a. This is based on convention, but will help you: This command is dedicated to file and path manipulation requiring access to the filesystem. I'm going to tell you how to structure the directories in your project.
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