One more step. So it goes without saying that CMake takes care of the naming conventions and extensions for each platform. add_executable (. This command, when placed in the root CMake script, declares a subproject test that has its own CMakeLists.txt.. After reloading the changes in both CMakeLists.txt files, CLion creates a Run/Debug configuration for the cmake_testapp . You need both of them. Make sure that you have CMake installed prior to running this example (go here for instructions). target_link_libraries ($ {TARGET} mylib) That's it, if it has been installed in a standard directory it will be found and there is no need to do . The top level directory has two subdirectories called ./Demo and ./Hello. Overview. CUDA project format: CMake. For example: add_library (. As an example, Boost is a common library that is not built using CMake, so in theory, we cannot depend on there being targets provided for it. CMake uses a file named CMakeLists.txt to configure the build system for a project. IMPORTED . add_library(test SHARED test.c) Linking libraries to executables with CMake. For example, under Debian: molloyd@beaglebone:~/$ sudo apt-get install cmake. add_library + target_link_libraries; add_subdirectory; In modern CMake, add_dependencies option is rarely used and hence I am not adding CMake add_dependencies to the above list. To build the project, first test that you have CMake installed, and if not, install it using the package manager that is used by your flavor of Linux. Create dlls folder in the root directory of our Sample project. Now, we can use the library defined in CMakeLists.txt of libtest_project in myapp's CMakeLists.txt: Instead other targets created by add_library () or add_executable () may reference the objects using an expression of the form $<TARGET_OBJECTS:objlib> as a source, where objlib is the object library name. For example, in case of MacPorts, typing the following sudo port install cmake is good practice. Instead other targets created by :command:`add_library` or :command:`add_executable` may reference the objects using an expression of the form $<TARGET_OBJECTS:objlib> as a source, where objlib is the object library name. The usage of our header-only library should be as simple as calling find_package and then using target_link_library on it. You can use FetchContent for getting source code of the library and then write the needed CMake build code from scratch as I've done in this example of using Dear ImGui with SDL with FetchContent. The following example adds a German and a French translation file to the helloworld target: qt_add_translations (helloworld TS_FILES helloworld_de.ts helloworld_fr.ts) This creates build system rules to automatically generate .qm files from the .ts files. When you have successfully built Assimp binaries, you can do the following steps: Copy assimp.lib from build/code/Release to lib folder of our Sample project. 3 Answers Sorted by: 165 The simplest way of doing this would be to add include_directories ($ {CMAKE_SOURCE_DIR}/inc) link_directories ($ {CMAKE_SOURCE_DIR}/lib) add_executable (foo $ {FOO_SRCS}) target_link_libraries (foo bar) # libbar.so is found in $ {CMAKE_SOURCE_DIR}/lib will simply create the file "liblibcool.a" in a Linux environment. cmake -D . CMakeLists Examples Building an executable Building a library Building a library and an executable that uses it Building a C/C++ unit test (gtest) Adding compile / link flags Linking against libraries built by other ROS packages Linking against an external library Linking against a library in your package Sample test/CMakeLists.txt file add_executable (loadtbb loadtbb.cpp) target_link_libraies (loadtbb $ {TBB_LIBS} ) add_test (loadtbb_test loadtbb) Creating the tbb.cmake file Create an empty file using your favorite text editor called tbb.cmake in the thirdparty directory. Why wound that be a problem? pkg install cmake pkg install cmake-gui On Mac OSX, if you use one of the package managers available to install your software, the most notable being MacPorts ( MacPorts) and Homebrew ( Homebrew ), you could also install CMake via one of them. Use some "alternative" CMake build/fork of a library. After running CMake and installing the library, there is no need to use Find***.cmake files, it can be used like this: find_package (MyLib REQUIRED) #No need to perform include_directories (.) In the directory ./Hello, a library is built. You do this with linker flag: -l<library name>. cmake-example-library CMake library example that can be found using find_package (). Of course, it's all in the CMake documentation, but mentioned implicitly at best. But doing just that would be too easy, wouldn't it. It provides C/C++ language extensions and APIs for working with CUDA-enabled GPUs. This method creates library like add_executable creates executable file. $<TARGET_OBJECTS:objlib> .) CMake part 2: Examples to build executable and library projects 30 Mar 2022 Introduction CMake is a cross-platform software for building projects written in C, C++, Fortran, CUDA and so on. If you leave this choice off, the value of BUILD_SHARED_LIBS will be used to pick between STATIC and SHARED. Making a library Making a library is done with add_library, and is just about as simple: add_library(one STATIC two.cpp three.h) You get to pick a type of library, STATIC, SHARED, or MODULE. You'll use this file to set up your project and declare a dependency on GoogleTest. Update: now using modern cmake (version >= 3.9), since commit 46f0b93. There are two ways around this: Wuss out and hardcode platform-specific flags Use a Find*.cmake to provide the targets instead Also, we need to place the add_subdirectory(test) command in the root CMakeLists.txt to make our test target cmake_testapp_boost available for the main build.. . CMake utilizes build-systems such as Ninja, Linux make, Visual Studio, and Xcode. Secondly, according to Craig Scott's CMake book, omitting the type argument in add_library (.) An object library compiles source files but does not archive or link their object files into a library. Next, you'll create the CMakeLists.txt file and declare a dependency on GoogleTest. molloyd@beaglebone:~/$ cmake -version. First is name of library for us is HelloLibrary. . The master branch uses the PUBLIC_HEADER approach and the target_sources_properties uses the . Yukigaru 4 years ago. In order to make the interface library usable, the following things have to be done. The solution is simple: When linking a shared library to your C application, you need to inform the GCC toolchain about the library you want to link. cmake -DCMAKE_INSTALL_PREFIX=~/mylib/install .. For example, a Windows resource DLL or a managed C++/CLI DLL that exports no unmanaged symbols would need to be a MODULE library. And the one in the configure file is used to correctly request the dependencies for the exported target. See here for a full example. There are three directories involved. We can extend our executable from above by linking it to our libray libtest.a. Rather than placing all of the source files in one directory, we can organize our project with one or more subdirectories. It compiles projects with compilers like GCC, Clang, Intel, MS Visual C++. Let us see how add_subdirectory is used to add a dependency. The gist is this: Using target_link_libraries to link A to an internal target B will not only add the linker flags required to link to B, but also the definitions, include paths and other settings - even transitively - if they are configured that way. if you omit this parameter, library will be static by default. Also, CLion can help you create CMake-based CUDA applications . gcc -Ifirst_dir -Isecond_dir -o my_program program.cpp Interestingly, the -I flag tells the compiler to look for files in the directory following the flag. Next is type of library STATIC or SHARED which I explained before. VSCode CMake Tools CMakeLists.txt CMake Configure cache build/CMakeCache.txt cache . Here are some of the things you need to take care of: what artifacts should the library produce at install step where install artifacts should be placed If you use add_library() in the subdirectory's CMakeLists.txt, you can then use that library inside parent's CMakeLists.txt with target_link_libraries(). For this program, we have one library (MyLibExample) with a header file and a source file, and one application, MyExample, with one source file. For example: CLion supports CUDA C/C++ and provides it with code insight. If the number of files it too large to specify manually, or you want to bulk include them based on a pattern, you can use the file command to generate a list of files that match a pattern and store it in a variable that you later refer in the add_library or add_executable command. Copy assimp.dll from build/code/Release to dlls folder of our Sample project. The best example I could find was CMake using itself to build. The find_package in the main cmake file is used to build the target. You only need to change the project name, and add the files that need to be compiled in foo/CMakeLists.txt. Set up the cmake project; Define the library to be built as a header-only library and adding files CUDA (Compute Unified Device Architecture) is a parallel computing platform and programming model by NVidia. For example, for Lua I use this repo and for GLEW, I use this one. Exercise 1 - Creating a Library To add a library in CMake, use the add_library () command and specify which source files should make up the library. I have the problem that the wrong library (debug library) is picked when I create a project file for Visual Studio with CMake. I've made an example project here: cmake_library_example. Where the library name is the name of the shared library, minus the first lib part and minus the .so file extension. This is a simple yet complete example of a proper CMakeLists. In this case, we will create a subdirectory specifically for our library. BUILD_SHARED_LIBS In the directory ./Demo, an executable is built by linking to the library. add_executable (<name> IMPORTED [ GLOBAL ]) . # Almost all CMake files should start with this # You should always specify a range with the newest # and oldest tested versions of CMake. This is because CMake expects a SHARED library to always have an associated import library on Windows. Making a library with CMake is not that different from making an application - instead of add_executable you call add_library. Because the wrong library is used for linking the release version I get build warnings that LIBCMT and LIBCMTD are conflicting. BTW, you might consider using find_denpendency instead of find_package in the configure file. For example, add_library (libcool STATIC .) $<TARGET_OBJECTS:objlib> .) Let's start by adding the library's directory as a subdirectory to our myapp project. Example # To create an build target that creates an library, use the add_library command: add_library (my_lib lib.cpp) The CMake variable BUILD_SHARED_LIBS controls whenever to build an static ( OFF) or an shared ( ON) library, using for example cmake .. -DBUILD_SHARED_LIBS=ON. Features The main advantage of this example is that it is auto-generated . For example, compiling the code in the source file program.cpp that includes the header files first_dir/first_include.h and second_dir/second_include.h needs the following command. GLOBAL GLOBAL . cmake version 2.8.9. cmake_minimum_required (version 2.4.6) include ($env {ros_root}/core/rosbuild/rosbuild.cmake) rosbuild_init () #set the default path for built executables to the "bin" directory set (executable_output_path $ {project_source_dir}/bin) #set the default path for built libraries to the "lib" directory set (library_output_path $ In this example the files would be installed in the ~/mylib/install directory: Create and install the shared library's pkg-config file with CMake At this point we built the shared library and installed it system-wide, with the help of CMake. First, create a directory for your project: $ mkdir my_project && cd my_project. To add .ts files to your project, use the qt_add_translations command. Here we have simplified syntax of add_library (<name> [STATIC | SHARED] [<source>.]). 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