Cmake static library include directories example github

Cmake static library include directories example github. Example of using of openprocmon sdk library in cmake based project. You cannot use static cppserver. Now, the depending program can use find_package(foo) when it sets the CMAKE_PREFIX_PATH to include the For example, let's say you've got a C library that may be built as a shared lib AND as a static lib, and you're slowly porting the C code into a Rust static library. Makefile 5. This works, but I would like to compile my final project including the git reference. h”: No such file or dire My CMakeLists. Example: filesystem;regex. Dec 9, 2019 · 1. cpp and . Also, Hot Take: SDL2main should be a single header library instead of a static lib - that would make choosing whether to use it easier (and transparent) and it'd solve both the linking order issues mentioned earlier, and the issue that you can't link a (static) SDL2main created with MinGW with Visual C++ (because MinGW doesn't seem to support . An example CMakeLists. 12. To import headers in the app module, we use the command include_directories Sep 2, 2022 · When trying to build projects with meson that depend on external static libraries built by CMake project, there's apparently no way of telling meson about building with -fPIC, even if the proper CMake option is set. and then building normally. The master branch uses CMake 3. see the native FindBoost vs FindOpenSSL). I want to generate a static library file that calls libtorch， but report errors: “torch/script. Feb 4, 2022 · target_include_directories(test_botan PRIVATE ${CMAKE_CURRENT_LIST_DIR}/include) The source of botan is downloaded, but it is not compiled. c: int hi() { return 0; } test2. This allows cmake to build the libraries of a project and make them available to an ndk build system complete with transitive dependencies, include flags and defines required to use the libraries. To associate your repository with the static-library topic, visit your repo's landing page and select "manage topics. In summary, PUBLIC is contagious, and PRIVATE is not contagious. It doesn't Useful CMake Examples. Instead of providing the token in CMake, we recommend to provide the regular URL and use git-config to rewrite the URLs to include the token. You can run cmake --help to see the list of This mode accepts the same options as the normal export mode. If nothing uses a symbol, that Dec 12, 2022 · The simplest way to do this is like this: add_library (cgs) target_include_directories (cgs PUBLIC "${CMAKE_CURRENT_LIST_DIR}/include") # or whatever path. It is very easy to do if you have your own CMakeLists. Modular: Formed into > 10 groups of examples, each group consists of strong related examples. Useful CMake Examples. txt in your your hierarchy. INTERFACE is rarely used. txt#L258. Normally, that means the things it links to has to be transitively applied to its consumers as a $<LINK_ONLY:> requirement. If policy CMP0079 is not set to NEW then the target must have been created in the current directory. By setting properties we can let it know of the artifact (e. CMake is a "meta build system" that reads a description of the project written in the CMakeLists. Features. However cmake does not respect this order and appends the include directories from the call of The following variables are supported and can be set either from the command line as cmake -DVARIABLE=VALUE . txt files and emits a build system for that project of your choice using one of CMake's "generators". This demonstrates how one can use CMake and git to build a modular library based embedded system. I have used this with lvgl graphics lib and encountered a much larger resulting binary. If you can't use latest CMake, you may have a look at cxx-static-shared-example. That populates INTERFACE_INCLUDE_DIRECTORIES of the library target, which is used by target_link_libraries on the consuming side. As an example, you could include one of the following in your CI script. Okay, so I have a solution. Sep 17, 2020 · While I see many open source projects providing including directories in their exported librariy targets, providing XXXConfig. EDIT: I see that the problem is also with other packages. In this example, the test programs will be built and can be run from ~/build/tests/. For this example you can see that we do it as follows: Dec 1, 2020 · target_link_libraries(${PROJECT_NAME} glfw opengl32 libglew_static glm physfs-static spdlog yaml-cpp portaudio_static libpd_static) For start, I added just the call to libpd_init() to the start of the application with the #include "z_libpd. 7) and using SDL2 works out of the box. , or via ccmake or cmake-gui: BOOST_INCLUDE_LIBRARIES. No source code has been changed, the files have just been shuffled around and broken down into modules. Techniques Used CMake Interface The directory passed to target_include_directories will be the root of yourinclude directory tree and your C++ files should include the path from there to your header. proj /lib1 CMakeList. txt files are split up over all source directories, and are not in the include directories. Apr 25, 2018 · The most straight forward way would be to unpack both archives (remember static libraries are just archives after all), and pack all unpacked object-files into a new archive/static library libALL. CMake in itself doesn't compile your project, it only calls your toolchain and passes parameters to it, and your toolchain doesn't 'know' that it is being called by CMake, or the structure of your project. exe wherever you put build tools (probably somewhere in your PATH). Jun 2, 2017 · There is an GitHub repository that contains only hpp files with no CMakeList. I need to include those header files in my project. Try adding your lib/glfw/lib directory to your link_directories() just as you do with your include_dicrectories(). Note that it is possible to combine FetchContent and ExternalProject_Add to achieve the following: FetchContent will make the source available at configure time, thereby bypassing the issue that the INTERFACE_INCLUDE_DIRECTORIES doesn't exist. Jul 3, 2018 · Aug 30, 2022 at 6:36. Repeated calls for the same <target> append items in the order called. I want to do it right, clean, with the install target and export commands, however they are quite cryptic and documentation - though complete - gives absolutely no context nor easy example to learn from. This new feature keeps tree path. So configure build with cmake (some cmake -DCMAKE_BUILD_TYPE=Release -DJSONCPP_WITH_CMAKE_PACKAGE=ON -DCMAKE_INSTALL_PREFIX=[your install path] -S [path to the project source dir] -B [path to the build dir]), build and install (cmake --build [path to the This module allows to generate a static library, a . Contribute to ttroy50/cmake-examples development by creating an account on GitHub. 7) project(SDL2Test) find_package(SDL2 REQUIRED) include_directories(SDL2Test ${SDL2_INCLUDE_DIRS}) add_executable(SDL2Test Main. Mar 22, 2015 · Another issue could be that the pkg-config files are not installed in the normal place, and the pkg-config paths for the project need to be added using the PKG_CONFIG_PATH environment variable while cmake is running (see other Stack Overflow questions regarding this). The CMakeLists. For older minimum requirements, see the cmake-3. For this example you can see that we do it as follows: Mar 23, 2021 · The problem is that in case of coverage the library is NOT linked with target_link_libraries, but added "manually" with target_link_options which does not handle CMake's other properties related to the CMake target of the static library. This allows CMake to support many different platforms and build tools. I want to create a static library that can be loaded by other projects who want to use those files. com :pablospe/cmake-example-library. Oct 14, 2019 · This is due to the fact that the file used by CMake to set the paths of include and link directories does not set the proper values for the variables. ) Defaults to empty, which means "all libraries". cmake. IPADS 实验室新人培训第二讲：CMake（2021. h" . a (please refer to man pages of ar for more information about used options): To add a library in CMake, use the add_library() command and specify which source files should make up the library. txt /lib2 CMakeList. txt file of the external lib will have some add_library(ext_lib_name ) statements in it. If you do not need custom main function, you should be using the latter (and only the latter). Essentially, whatever file we include in that statement gets copied Mar 29, 2023 · Now, include the directories using the include_directories command: include_directories(${LIB_INCLUDES}) The above will instruct the build system to search all directories contained in LIB_INCLUDES or whatever you decide to call it. Factored this way, it's obvious (even if you don In the Step12 directory, create a file called MultiCPackConfig. For example, the code May 4, 2017 · I have two files in my project called Test4:. Add . You signed out in another tab or window. Feb 19, 2015 · designate the path within the command. This module is not built each time the app module is built. That way cmake will build the external lib as a subfolder ("subproject"). Finally, add the executable and use the target_link_libraries command to link the libClassLibrary. When you use ExternalProject, you need to set up a lot of boilerplate to make the external project use the same settings as the "parent" project, such as the toolchain file, c++ compiler, c++ standard, configuration types / build type, etc. Not all libraries in vcpkg offer CMake integration support (such support depends on the library maintainers, not on vcpkg). ( PRIVATE would mean only MyLibrary should use this You can build the SDL test programs by adding -DSDL_TESTS=ON to the first cmake command above: cmake -S ~ /sdl -B ~ /build -DSDL_TEST_LIBRARY=ON -DSDL_TESTS=ON. Change project name in the top-level CMakeLists. Currently, when I try to include my library in another project it says "Cannot open include file: 'SDL2/SDL. cpp in main. a. 5 - nothing works CMake does not include "include" and "lib" directories on Jul Oct 21, 2021 · Description of defect there are several discussions about using static libraries instead of always compiling to object files. ExternalProject_Add will use the source downloaded by FetchContent to build at build time. Aug 8, 2020 · I have multiple static libraries created in house that get linked into an image. txt -src -main. PRIVATE means that only files within this library have this directory in their include list. Next, use the CPACK_INSTALL_CMAKE_PROJECTS variable to specify which projects to install. - CiproGit/static_library Sep 18, 2018 · You signed in with another tab or window. See CMake Useful Variables for more information. The library can be build as static library when cmake is configured with -DBUILD_SHARED_LIBS=OFF. Is it possible? if yes, how can I achive this? Aug 31, 2020 · External lib builds with cmake. Linking against it will add the proper include paths and link your target together with 2 static libraries that implement Catch2 and its main respectively. This is done by making the GoogleTest source code available to the main build and adding it using CMake's add_subdirectory Jul 23, 2021 · Adding objects to a shared library, module library or executable has a different effect to linking a static library into a shared library, module library or executable. txt /exe CMakeList. set(CMAKE_POLICY_DEFAULT_CMP0077 NEW) Jan 20, 2022 · As a CMake user, you are unaffected by this extra directory in the path for the includes, because the exported CMake package is very much aware of it. txt I hope to run the same code that ran in example. Now you can if needed: Copy the contents of the include directory to wherever you want to put headers. Zephyr Cmake link static library. Reload to refresh your session. \CppServer\include path to Include Directories. cmake instead of xxx. git. Oct 22, 2018 · CMake export/import libraries. The old solution is to install DIRECTORY include/ but guidelines recommand to use explicit file and avoid wildcard. To accomplish this we need to add BUILD_SHARED_LIBS to the top-level CMakeLists. 14 as minimum. lib to your project, and also add . " GitHub is where people build software. Now if the library Foo is not already using CMake, there are options: Case 1: (a) library Foo is already using CMake. This default behavior can be changed by setting CMAKE_INCLUDE_DIRECTORIES_BEFORE to ON. lib are stored. A simple example of how to link a static library to your Zephyr project. cmake which fills out a set of variables. The optional <type> specifies the type of library to be created: STATIC. Problem. The example project b In this section we will show how the BUILD_SHARED_LIBS variable can be used to control the default behavior of add_library() , and allow control over how libraries without an explicit type ( STATIC , SHARED, MODULE or OBJECT) are built. Copy protoc. set (CMAKE_LIBRARY_PATH path1 path2) find_library (NAMES gtest) the reason is as flowings: Note This command is rarely necessary and should be avoided where there are other choices. I'm using Visual Studio Code. TheAifam5 changed the title SFML 2. This book covers the following exciting features: Get to grips with architecting a well-structured CMake project. sh script. SHARED for . We want to create an executable that when run creates a basic main. Feb 19, 2017 · You just need to add: include_directories(${CMAKE_CURRENT_LIST_DIR}) In each CMakeLists. In this file, first include the default configuration file that was created by the cmake executable. h': No such file or directory" . Example of static library with CMake and Visual Studio in C++. Now, we can install the built library in a local path (the prefix). cpp , but I have been unable to get the import working. Sep 20, 2020 · When I was setting this up as executable the library was compiled with it fine, but when I changed it to a library it wouldn't include the library. If the SYSTEM option is given, the compiler will be told Nov 8, 2017 · It shouldn't matter if Cmake would correctly append include directories in the order they are provided, that is, the ones of target_link_libraries (mylib PUBLIC alib) then the ones of target_include_directories (mylib PRIVATE $ {EXPAT_INCLUDE_DIRS}). Sep 19, 2017 · As @Anedar mentioned, to resolve this situation one needs target_include_directories with PUBLIC or INTERFACE options in the library CMakeLists. h files in foo/CMakeLists. txt file. 1. I want to use an external library that gets retrieved by using FetchContent_Declare. c: Nov 22, 2023 · github. cmake is built and installed when the CMake option JSONCPP_WITH_CMAKE_PACKAGE is enabled, which is currently the default. Step 10: Selecting Static or Shared Libraries In this section we will show how the BUILD_SHARED_LIBS variable can be used to control the default behavior of add_library , and allow control over how libraries without an explicit type ( STATIC , SHARED , MODULE or OBJECT ) are built. If the library is found the result is stored in the variable and the search will not be repeated unless the variable is cleared. CMake 31. lib without headers. For example: CMAKE_SHARED_LIBRARY_PREFIX; CMAKE_SHARED_LIBRARY_SUFFIX; CMAKE_STATIC_LIBRARY_PREFIX ; CMAKE_STATIC Jul 4, 2014 · I have my external library as shown in this picture that I create the symbolic links after: and the headers related to the library in other file: I'm working with ROS ubuntu and I need to add these libraries to my package to CmakeList. But the basics are there. Jun 4, 2016 · …t" located in "doctest_force_link_static_lib_in_target. For example, if find_package(GTest CONFIG REQUIRED) succeeds, you can use the libraries as GTest::gtest, GTest::gmock. txt (FetchContent_Declare) /build /deps /externallib1 (auto generated) CMakeList. com paullouisageneau/libdatachannel/blob/f434804c94841ed801cb96b5a7770f1f1f894276/CMakeLists. include - that contains C++ headers and protobuf *. Modularize and reuse CMake code across projects. 3）. (The current directory is always in the include list anyway. txt /external CMakeList. a file, by executing the library_built. Directories can be PRIVATE, PUBLIC or INTERFACE and you can have a mixture of them within the one command. An archive of object files for use when linking other targets. In this case, we want to install both debug and release. 12 FATAL_ERROR) project (detector ) set ( CMAKE_CXX_FLAGS "-std= Jun 15, 2011 · To expand on DLRdave answer above you don't need set manually prefixes and suffixes for static libraries because CMAKE provides variables with the right ones for each platform. Dec 16, 2023 · Particularly with default syntax highlighting, it's easy to glance at a CMake file and know--RIGHT AWAY--exactly what references the filesystem or other string values dependent on external context: Lastly, it will be very easy to simply adjust this block when we switch to a static library target. find_library (NAMES gtest PATHS path1 path2 pathN) set the variable CMAKE_LIBRARY_PATH. Structure. By using AFTER or BEFORE explicitly, you can select between appending and prepending, independent of the default. cmake files. . - unuaunco/openprocmonlib-static-cmake Create the Project With Visual Studio and CMake. If the executable should be build DBUILD_EXECUTABLE=ON has to be passed to CMake. I do not want to manually clone them then linking against them. txt: target_include_directories (MyLibrary PUBLIC $ {CMAKE_CURRENT_SOURCE_DIR}/include) Means: MyLibrary target or any target linking target MyLibrary should use MyProject/include directory as include path (since PUBLIC keyword is used). More than 100 million people use GitHub to discover, fork, and contribute to over 420 million projects. - aminya/project_options static code May 28, 2019 · the jsoncppConfig. The details of this project are not important. app module only targets the pre-generated . proto files; lib - that contains linking libraries and CMake configuration files for protobuf package. As you are probably aware, you can include other source files in C++ with the #include pre-processor directive. Notice a few things already apparent; the CMakeLists. Currently, we do not have any example about how to link CARLA C++ client with a C++ application. Incidentally, we can choose the CMAKE_INSTALL_PREFIX to be foo 's source directory. # CMake Example: support building as either shared or static. txt include(GNUInstallDirs) # sets the search paths for the include files after installation # as well as during when building the library (as these may differ) # this allows the library itself and users to #include the library headers: target_include_directories(${PROJECT_NAME} PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include> Mar 19, 2021 · Using CMake to create INTERFACE (header-only), SHARED and STATIC libraries and how to link to an executable - example. Jan 4, 2022 · chronoxor commented on Jan 4, 2022. cpp) target_link_libraries(SDL2Test ${SDL2_LIBRARIES}) Useful CMake Examples. You will link your Rust static library into the C library to maintain the original C API for your downstream users. The Android NDK supports the use of prebuilt libraries, both static and shared. There are pros and cons to choosing ExternalProject vs FetchContent that mostly The named <target> must have been created by a command such as add_executable() or add_library() and must not be an ALIAS target. Jan 10, 2024 · We will make use of the IMPORTED tag as well STATIC/SHARED depending on the library type (e. You switched accounts on another tab or window. cmake: It shows you how to integrate various development tools into your CMake workflow and covers field-proven best practices for using CMake effectively even in large, complex settings. This statment in CMakeLists. For this example you can see that we do it as follows: Feb 7, 2021 · I went to reply earlier today with a statement that it was expected behavior because GreeterTargets is a static library. Not intrusive - using generated dummy headers in the build folder of the target, CMake target properties and compiler flags for including the headers to the appropriate Normal Libraries. Sorted by: 2. with that code, any target who links against the cgs library using target_link_libraries will get that include directory transitively. After you compile CppServer you need to add cppserver. add_library (<name> [<type>] [EXCLUDE_FROM_ALL] <sources>) Add a library target called <name> to be built from the source files listed in the command invocation. This repository is a port of the basic STM32 SensorTile logging example using CMake. Generate object file (. 0; How to generate static library manualy. txt is: cmake_minimum_required (VERSION 3. The following command will configure, build and then install the library. o) Jan 23, 2022 · project -libraries -downloaded_library -build -include -downloaded_lib -downloaded_lib. 8 and CMake 3. I have created a test with a version of botan that I precompiled and installed. I think this has something to do with linux adding "lib***. Follow these steps: Copy files in a new folder, or clone with git: git clone git@github. First it's important to recognize that static libraries do not link other static libraries into the code. txt that automatically finds all sources files in the src directory and also adds all directories as include directories that have a header file in them. add_library (<name> [<type>] [EXCLUDE_FROM_ALL] <sources>) ¶. This solution also works well when you use the correct pkg-config path. . 12 and cmake-3. Rather than placing all of the source files in one directory, we can organize our project with one or more subdirectories. Just create CppServer. Compilling and using Opencv as a static library with cmake This is a guide for anyone who wants to use opencv as a static library with cmake and without homebrew on MacOs. 11. c. so file), and the include directory. BOOST_EXCLUDE_LIBRARIES May 22, 2018 · You signed in with another tab or window. Contribute to stdrc/modern-cmake-by-example development by creating an account on GitHub. Unfortunately, the exact naming convention varies, but it is commonly Foo_FOUND, Foo_LIBRARIES, and Foo_INCLUDE_DIRS (there is no solid convention for whether Foo should be all caps or not. When another target links to one of the libraries, CMake repeats the entire connected component. Feb 8, 2015 · This blog post shows how you can do it: Using SDL2 with CMake On Linux you can use a recent CMake (e. cmake" users of CMake can force the linking of every object file from a static library to an executable/shared target. When linking a static library, the linker will only need to go looking in the static library for symbols it has not yet been able to resolve. Add a library target called <name> to be built from the source files listed in the command invocation. Jul 28, 2018 · This will import CMake targets that you can link against your own libraries or executables. Modern: Use latest cmake, write target-oriented configurations. A semicolon-separated list of libraries to include into the build (and installation. The problem is, CMAKE does not include the include directory "vcpkg\installed\x64-windows\include" and the directory "vcpkg\installed\x64-windows\lib" where . $ mkdir build. A cache entry, or a normal variable if NO_CACHE is specified, named by <VAR> is created to store the result of this command. a file and its headers inside the include directory. version 3. 8 branches. By default the directories specified are appended onto the current list of directories. Aug 5, 2017 · 2. 3%. It's another example with a branch for CMake 3. Versatile: Extracted from practical, not restricted to simple tutorials. so). Needs CMake 3. Aug 13, 2014 · The typical way to use cmake is to write a FindFoo. INTERFACE is only used when B doesn’t actually requires A, but most targets that links to B requires A. h -src -examples -example. txt: The directory passed to target_include_directories will be the root of yourinclude directory tree and your C++ files should include the path from there to your header. See Linking static libraries to other static libraries for more info there. cc file in the current directory. Catch2's CMake build exports two targets, Catch2::Catch2, and Catch2::Catch2WithMain. A library defines its include directories with target_include_directories. This example project shows you how to build a C++ project that can be built as static or shared, by using the corresponding CMake functionality. A combined library must be created, which on Linux can be done with ar. (b) but do NOT provide a config-file package. cpp /include) # Add STATIC library with The directory passed to target_include_directories will be the root of yourinclude directory tree and your C++ files should include the path from there to your header. I want that each time I call cmake command, cmake will clone them and put them in some inner folder. Zephyr RTOS v3. I want to export and import libraries in cmake in a portable way (windows AND linux). Sep 28, 2021 · With CMake, adding header include directories to your C++ project is as easy as using your head in football! Heading those C++ include directories is easy with CMake. g. Here is an example of how to use packages with and without find_package() support. ) The library dependency graph is normally acyclic (a DAG), but in the case of mutually-dependent STATIC libraries CMake allows the graph to contain cycles (strongly connected components). And a more robust and flexible approach is to build GoogleTest as part of that project directly. If the external lib builds with cmake then you could add the lib to your build via a add_subdirectory ($ {libname_SOURCE_DIR}) call. Consider two source files: test1. txt making use of the above given installed QuantLib example library: Since the directory structure in your project is just there to keep your files organized, one approach is to have a CMakeLists. Z3's CMake build system. Of course, something like this is entirely avoided when using Conan and vcpkg, because those do things in locations where you know you won't accidentally include something you aren't supposed to. txt. cmake_minimum_required(VERSION 3. Oct 27, 2020 · edited. $ cd Help/guide/importing-exporting/MyExe. In the case of libmariadb you must manually link the library and include files in your CMakeLists. a" [pre/post]fix to the lib filename. You'll also sometime see a python folder for python bindings, or a cmake folder for helper CMake files, like Find<library>. 23. Linking CXX You signed in with another tab or window. cpp -build -CMakeLists. 9%. [Optional] Set variables: LIBRARY_NAME and LIBRARY_FOLDER . action: I suggest to improve their build system. A general-purpose CMake library that provides functions that improve the CMake experience following the best practices. Navigate to Help/guide/importing-exporting/MyExe, create a build directory, run cmake and build and install the project. We use the option This command is used to find a library. h Structure. It took me some time to figure out how to do it so I'm writing this for the future me and for anyone who finds the information useful. Dependencies. cmake thus downstream people can use find_package(XXX) and target_link_libraries(png_demo XXX). I have tried to do it by my self quickly but was not trivial as after adding all the next header files I was still having build issues: add_compile_definitions(ASIO_NO_EXCEPTIONS, BOOST_NO_EXCEPTIONS, CMake SensorTile Example. Oct 30, 2023 · 1 Answer. cpp -CMakeLists. The following CMake file may serve as a starting point: Apr 16, 2023 · target_link_libraries(B INTERFACE A) target_link_libraries(C PRIVATE B) B will not link to A, but C will link to both B and A. Also, add_library() specifies you are trying to compile glfw3 by yourself, but what you tried doing is to only link with it. Sep 17, 2019 · The precompiled one is dynamic runtime (DLL). txt file declares what the library provides through install() commands. pv cn vp gm ft fx zh vk xp rm