![]() ![]() VS 2012, VS 2013, VS 2015) generators can be specified. ![]() The -G option specifies it to generate a Visual Studio 2010 Win64 project files. In this case "." is used to indicate one directory up from the current working directory. Run the CMake command and specify where to find the first(root) CMakeLists.txt. D:\tmp\CMake-VisualStudio-Example> cd _build Make the build directory the current working directory. D:\tmp\CMake-VisualStudio-Example> mkdir _build Source StructureĪs recommended earlier, for an out of source build, create a directory where CMake will produce the required Visual Studio Project files and a lot of CMake specific files. For those not familiar with Git, GitHub has an option to download it as a zip file. The example code can be accessed via GitHub at. Here, it has been enhanced to show specific aspects commonly used on Windows. Please refer to it if you are not familiar with the basics. The tutorial from CMake is a very simple example. Properties->Linker->Input->Additional Dependencies Properties->Linker->General->Additional Library Directories Properties->C/C++->General->Additional Include Directories Properties->C/C++->Preprocessor->Preprocessor Definitions Set_target_properties(PROPERTIES RUNTIME_OUTPUT_DIRECTORY) Target name in the command add_executable or add_library ![]() Some common Visual Studio project operations and settings and its mapping to CMake is listed below as an overview. In a CMake build system, the build “rules” or “project settings” are defined in text files called CMakeLists.txt. To clean or reset your build environment, you would simply delete the out of source build directory. However, with CMake you can consider this to be an intermediate file too, as CMake will generate it and is recommended for it to be outside the source directory. sln) as a “source” since it involves adding/removing source files, modifying library dependencies, setting build dependencies etc. These need not (and should not) be checked into the source repository as sometimes they are large and user specific.Ī Visual Studio developer might consider the project file (. obj, Visual Studio produces many more transient files like. Other than the typical intermediate files like. A build will always generate a lot of temporary/intermediate files and to avoid polluting the actual source, it is recommended to have out of source builds. Anything that is or can be consistently generated from the source files should be considered as output of the build process. Typically source should be considered as any files that are explicitly modified by the developer. Continuing from the preface CMake for Visual Studio Developers. Most references here is based on Visual Studio 2010 but will apply equally well to other versions. It is primarily intended for a C++ developer using Visual Studio. This post will map CMake commands to the Visual Studio IDE with an example which makes learning much easier. We also got a glimpse of conditional execution, for those cases where we have to use some nonportable bits and pieces.Īs always, you can find the current status of the project on GitHub.CMake produces Visual Studio solutions seamlessly. We have now some of the tools we need to fine-tune the compilation of our project: compiler features, definitions and compile options. Target_include_directories(catch INTERFACE $ //warning and error due to unused i # INTERFACE targets only have INTERFACE properties # Header only library, therefore INTERFACE Since we currently do not use C++11 features anywhere except those required by Catch, we should add those requirements to Catch’s CMakeLists.txt, using the target_compile_features command: project (Catch) With CMake, we have the possibility to require compiler features for our targets. So we can expect the compilation to fail with a bunch of errors on compilers that do not support those features. ![]() To be honest, I have not tested it myself, but Catch documents that it needs a bunch of C++11 features. If you still have access to some old compiler, you may have noticed that our little project does not compile. This post is part of a series about CMake: We’ll add a few options and a bit of fine-tuning to the compilation of our example project. Today I’ll continue the little CMake tutorial series. ![]()
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