Cmake package example. nupkg, nor give an example CMakeLists,txt fragment.
Cmake package example There are Now, if you find_package(MyLib), CMake can find the build folder. The CMake tutorial provides a step-by-step guide that covers common build system issues that CMake helps address. Toolchain Files ¶ In order to use CMake for cross-compiling, a CMake file that describes the target platform has to be created, called the “toolchain file,” This file tells CMake everything it needs to know about the target platform. Note For a CMake project using ExternalProject with a configuration preset having environment variables needed in the ExternalProject, use a build preset that inherits that configuration preset or the ExternalProject will not have the environment variables set in the configuration preset. This is convenient, as packages depending on the library (e. Comparing with Conan, in my opinion, it's simpler to understand and use (if you already have some experience with CMake). Specify Library Search Paths The primary role of link_directories() is to tell the linker where to When we need to add an external project as the dependency, we will use command find_package in CMakeLists. # Almost all CMake files should start with this # You should always specify a range with the newest # and oldest tested versions of CMake. The result of using find_package() is either a set of IMPORTED targets, or a set of variables corresponding to build-relevant information. We will begin with a brief discussion of testing approaches, and then discuss how to add tests to your software project using CMake. May 24, 2024 · There are so many libraries and for many people it is difficult to know the correct name to add to CMake, or even know if it is installed. As ROOT is an example of a package that is now providing a CONFIG file; another one that is just beginning to is Boost; while CMake includes a FindBoost, it has to be updated with each new Boost release, whereas BoostConfig. Which is problematic for organizations, companies, package managers, etc. 28 was the first version to officially support C++20 modules. Dec 19, 2022 · GNUInstallDirs provides the CMAKE_INSTALL_ family of variables, which provide standard path information for the install tree. Oct 19, 2021 · Later the cmake_multi generator gave support to multi-config projects like Visual Studio creating different conanbuildinfo. Here is an example that uses the MinGW cross-compiler for Windows under Linux; the contents will be explained line-by-line afterwards. cmake) that works with the build tree. It feels like the basis for cmake having a package management system where all I need are a list of links to CMake compatible github urls. Finally, we will demonstrate how to package a project with a configuration file to allow for easy integration into other CMake projects. 70). Step 11: Adding Export Configuration ¶ During Installing and Testing of the tutorial we added the ability for CMake to install the library and headers of the project. This allows you to use CMake to build your project, while using Xrepo to manage dependent packages. It compiles projects with compilers like GCC, Clang, Intel, MS Visual C++. If the upstream configuration file is not found, this module falls back to module Chapter 12: Packaging and Distributing Projects Syntax Remarks Examples Creating a package for a built CMake project 14 14 14 Aug 11, 2025 · @kronus-lx Yes, this uses the CMake command find_package that is able to locate pre-installed packages on the same system (or more accurate on a filessystem accessible from the local system). For our purposes, we won't worry about what this looks like; you only need to understand its purpose in relation to CMake. cmake). cmake file. In this way, the user of the library can import it easily with find_package () command. The import CMake; the Experiment is Over! blog article from Kitware is perhaps one of the best Jul 21, 2025 · Tutorial guides the user through the process of installing and using packages with CMake and Visual Studio. 13 added a special External generator which doesn’t produce packages itself, but instead creates a JSON file which some other process can consume to produce packages outside of CPack. Just like Qt, it is available on all major development platforms. Each step has its own subdirectory CPack DEB Generator ¶ The built in (binary) CPack DEB generator (Unix only) Variables specific to CPack Debian (DEB) generator ¶ The CPack DEB generator may be used to create DEB package using CPack. However, if A curated list of awesome CMake scripts, modules, examples and others Your contributions are highly welcome (first see CONTRIBUTING. cmake. To see the older version, follow this link or select the drop-down in the page header. cpp in the same sources directory) but to let Cmake produce an include directory, product of its work? Testing With CMake and CTest ¶ Testing is a key tool for producing and maintaining robust, valid software. cmake module file that lets you import an external library to any project. Background on CMake modules and packages When your CMake project has dependencies, you will usually use find_package(<name>) in your CMakeLists. I wanted to use if for specifying components in the CMake find_package command, but I found it actually isn’t necessary at all and you can simply use careful naming of -config. The CPack DEB generator is a CPack generator thus it uses the CPACK_XXX variables used by CPack. This is based on convention, but will help you: Easily read other projects following the same patterns, Avoid a pattern that causes conflicts, Keep from muddling and complicating your build. 17: If curl is built using its CMake-based build system, it will provide its own CMake Package Configuration file (CURLConfig. I’m going to tell you how to structure the directories in your project. CMAKE_FIND_PACKAGE_REDIRECTS_DIR: Used by package managers to redirect to their own packages <PackageName>_ROOT: This lets you provide the location of a specific package CMAKE_PREFIX_PATH: If you install your dependencies in a single place, this is the easy way. cmake Add the installation prefix of "example_interfaces" to CMAKE_PREFIX_PATH or This will register the library's build in CMake's User Package Registry (on UNIX systems it defaults to ~/. cmake or <PackageName>-config. Learn how to use CMake to maximum efficiency with this compendium of best practices for a lot of common tasks when building C++ software. The usage of find_package() in the CMake community was getting popular, so we created the cmake_find_package generator. 0 REQUIRED) # CMake provides a Qt4 find - module find_package (Qt5Core 5. The More Example section contains slightly more complex examples and will continue to grow. txt to let CMake know where the header files and libraries are located, such that they can be found and linked properly later on. , Boost::boost) are the best practice. txt file prevents scenarios where public headers of a dependent target causing a depending target not to compile because the depending target uses stricter compiler options. First, we create a basic console application. CPack is a powerful, easy to use, cross-platform software packaging tool distributed with CMake. It can be used with or without CMake, but it may depend on some software being installed on the system. There 📦 CMake's missing package manager. cmake" ) Now if you build and install your project MyPack, find_package (MyPack) from other project should find it and import the targets you've created. CPACK_PACKAGE_INSTALL_DIRECTORY ¶ Installation directory on the target system. A step-by-step guide to creating a distributable C++ library package with CMake. (Can be a CMake variable, or an environment variable). 2-win64. No internet connection. It's heavily stripped down to focus on showing how to create multiple packages from a single project. If you’re using GoogleTest for the first time or need a refresher, we recommend this tutorial as a starting point. CMake: config mode of find_package command (examples) - forexample/package-example Finding Packages ¶ Many software projects provide tools and libraries that are meant as building blocks for other projects and applications. The better cross-platform way would be using find_package, which locates a package/library, and provides the libraries and includes in CMake variables so that you could link your program to them. cmake files, and let consumers find your library with find_package (). Upon finding Boost, the find_package() call will have filled many variables (check the reference for FindBoost. See the current tutorial version here. Use a debugger If possible, use a debugger to step through the compilation process and examine the compiler's behavior. Importing Targets ¶ Mar 3, 2016 · If we write find_package(my_library ), it will go and look for a file named my_library-config. Example 1: vcpkg Lets take vcpkg as an example. It is ideal that the developer of the external project provides a <package>Config. via find_package) will be able to find it through the registry, even when the library hasn't been installed. cmake example_interfaces-config. cmake file to be loaded by the find_package() command when invoked for <PackageName>. 5: See the Example: Install Targets with Per-Artifact Components for an example using NAMELINK_COMPONENT. Rather, it is normally provided by something external to the package, such as the operating system, CMake itself, or even the project from which the find_package() command was called. They provide an elegant 5 days ago · For example, a project might use a common set of compiler warnings. cmake file for installing a project or library. Thank for sharing! The CMake community needs more guides for understanding how CMake reasons about installing packages. I find that using Poco as an example is crowded and difficult to follow so I am tryi Quickstart: Building with CMake This tutorial aims to get you up and running with GoogleTest using CMake. CMake project example with vcpkg package manager. Jan 20, 2023 · The folder for the package can have suffixes like version numbers or build configuration information, like g3log-2. cmake file, and the other is to integrate the CPack variables into your CMakeLists. CMake provides direct support for two forms of packages, Config-file Packages and Find-module Packages. 0 on it provides a package configuration file for use with find_package's config mode. We recommend using CMake Presets to specify your toolchain file. There is another file NonModernCMake. Each step has its own subdirectory The Find<PackageName>. Step 9: Packaging an Installer ¶ This page was once part of an older version of the CMake tutorial which last appeared in CMake 4. cmake file will still work. The package root variables are maintained as a stack, so if called from nested find modules or config packages, root paths from the parent's find module or config package will be searched after paths from the current module or package. The tutorial documentation and source code for examples can be found in the Help/guide/tutorial directory of the CMake source code tree. The first command defines where CMake searches after the Find*. Steps ¶ The tutorial documentation and source code examples can be found in the Help/guide/tutorial directory of the CMake source code tree. txt file. cmake, which is default installed with CMake. cmake generalised module is great. Here's how to do this for boost, for example. The cmake-examples reposiory includes some example CMake configurations which I have picked up when exploring The Find<package>. For find_package to be successful, CMake must find the Qt installation in one of the following ways: Set your CMAKE_PREFIX_PATH environment variable to the Qt 5 installation prefix. CMake is frequently used in compiling open-source and commercial projects. This module looks for the package configuration file called BoostConfig. CMake presets allow developers to define and manage project configurations in a more standardized and portable way. May 17, 2025 · Disclaimer: ChatGPT generated document. First, this is what your files . 22 world would be appreciated. g. Tutorial level: Beginner Time: 15 minutes Contents Background 1 What is a ROS 2 package? 2 What makes up a ROS 2 package? 3 Packages in a workspace Prerequisites Tasks 1 Create a package 2 Build a package 3 Source the setup file 4 Use the package 5 Examine package contents 6 Contents FetchContent Overview Commands Variables Examples Typical Case Integrating With find_package () Overriding Where To Find CMakeLists. You can check more examples with other build systems in the Read More I can build my projects successfully with CMake, but can I use it to install the results? With Make I add the target install and call that from the command line. CMake projects that depend on outside packages locate their dependencies using the find_package command. CMake find_package usage example. Introduction ¶ The CMake tutorial provides a step-by-step guide that covers common build system issues that CMake helps address. 0 REQUIRED) # Qt provides How should I structure my project, so that my CMake requires the least amount of maintainance in the future? For example, I don't want to update my CMakeList. cmake modules under CMAKE_MODULE_PATH. I did a bunch of digging but can’t seem to find what it does. Select the desired release and follow the download instructions. ” Unfortunately, it doesn’t say what that other process is that generates the . In the standard CMAKE workflow, the file CPACKCONFIG. CMake is a powerful and flexible build system generator that is widely used in C++ and other programming languages to manage build processes. Demonstrate how to use Dear ImGui with Conan to add a GUI to an OpenGL3 application. Use CMake to declare, export and install the targets of some libraries and using Conan to reuse them with find_package and the multi-configuration project. This lab covers installing CMake, creating a simple C++ project, and understanding different build configurations. Defining such properties globally in the top-level CMakeLists. It's storing the names of packages into global properties. For more information, see KDE Packaging Guidelines. CPACK_PACKAGE_ICON ¶ A branding image that will be displayed inside the installer (used by GUI installers). Jun 29, 2022 · If you’re working on an executable project in C++, as opposed to a C++ library, using a package manager to get your dependencies might be overkill: If all you need is to get the source code of a library, include in your CMake project, and have it compiled from source with the rest of your project, CMake’s FetchContent module can do it for you. CMake provides the install command to specify how a project is to be installed. The next step is to add the necessary information so that other CMake projects can use our project, be Sep 30, 2020 · I'm trying to use find_package to include libraries in CMake. Example use cases for this project: Existing CMake projects which want to use Xrepo to manage packages. Introduction: How to impress your users In my previous article on how to manage dependencies with CMake, we looked at three separate ways to manage dependencies: Using a combination of CMAKE_PREFIX_PATH and find_package() Using CMake’s FetchContent module Using Conan as a package manager The first option works well if the library you are trying to use has provided all the required *. Apr 4, 2024 · C++20 Modules, CMake, And Shared Libraries April 4, 2024 by Craig Scott CMake 3. cps (like CMake-script package description files, CPS files are allowed to be lower-case of the package’s proper case) and resolve its dependency on Mammal via MammalConfig. CMake can decide this for e. When developing a Zephyr-based application, then a developer simply needs to write find_package(Zephyr) in the beginning of the application CMakeLists Using packages in CMake CMake wrapper for Xrepo C and C++ package manager. Using Packages CMake provides direct support for two forms of packages, Config-file Packages and Find-module Packages. Example: suppose the host defaults to one compiler (say Clang) and the user wishes to use another compiler Good luck! Note: Keep in mind that this is the simple way to use CMake. 📦 CPM means: CMake Package Manager, that is, a Package Manager for CMake. CMAKE is generated by the CMAKE executable file, provided that the CPACK module is included in the project's cmakelist. json and Apr 28, 2024 · I am working on a project to integrate Basic Linear Algebra Subprograms (BLAS) into a FORTRAN 77 application. Using packages in CMake CMake wrapper for Xrepo C and C++ package manager. A FindSomePackage. All installed elements will be put inside this directory. It is also supported by various IDE's, including Qt Creator. 70. Using Packages ¶ Aug 15, 2016 · There is magic happening inside find_package. cmake can be found, so find_package() works as expected. Added in version 3. It can be used to support multiple native build environments including make, Apple's xcode and Microsoft Visual Studio. Packages are found with the find_package() command. Simple example Look at a simple example as usual. Example So for example, a Vulkan “Hello World” project can be configured this way: Example # Note: The shown CMake error messages already include the fix for "non-standard" library/tool installation paths. CMake files provided with a software package contain instructions for finding each build dependency. Jan 24, 2024 · CMake Best Practices: Discover proven techniques for creating and maintaining programming projects with CMake. For example, if you have defined the environment variable VCPKG_ROOT, you can use the following CMakePresets. Now, this is a much cleaner solution than the work-around proposed earlier below. Furthermore, having packed a deb package, one then might need to host it in a private APT repository, preferably with restricted access. cmake files. For the purpose of simplification, I will simplify the code used here and compile into a separate executable file. The Find<PackageName>. I am trying to follow the steps of the answer there In this article, we look at the CMake utility tool CPack, which helps us package our libraries and executables generated by CMake into a nice and easy-to-use graphical user interface to guide users through the installation process. cmake to see which other properties and variables it refers to in order to produce. cmake file are already defined by default in CMake. Distributing code and binary executablees and libraries to users without requiring them to compile a project is done via these packages. 8. Seeing how various topics all work together in an example project can be very helpful. Dec 15, 2011 · The linked DownloadProject. This Boost CMake ¶ If Boost was built using the boost-cmake project or from Boost 1. I didn't try to implement the 2nd example yet, because it requires more code (it seems each CMake module has to be explicitly listed in multiple conanfiles. Since you want variables from your main build to be included, like version number, you’ll want to make a configure file if you go that route. Mar 30, 2022 · Introduction CMake is a cross-platform software for building projects written in C, C++, Fortran, CUDA and so on. CMake CPack example An example CMake project to demonstrate creating packages with CPack. This option is typically used for package managers that have separate runtime and development packages. Tutorials and examples understandably tend to focus on the fairly simple scenario of building a basic executable, perhaps also adding in a static library. To add a Nuget package reference to a CMake target, use the package name and package version separated by an _ underscore. 1. md). Using the 2 days ago · When packaging KDE software, you most likely would replace %cmake with either %cmake_kf5 or %cmake_kf6. Look at the generated MyLibTargets. The purpose of the file is to define the search rules for the package and set different variables, such as <package>_FOUND, <package>_INCLUDE_DIRS and <package>_LIBRARIES. cmake or boost-config. A "find module" is a Find<PackageName>. Indirect support for pkg-config packages is also provided via the FindPkgConfig module. Dec 27, 2020 · That said, we will eventually tackle how to handle writing a usable find_package file that can be used in cmake --find-package mode, in the so-called Script Mode or with cpack for the External Generator. by reading environment variables set by the package manager before starting the process of generating binary rpm packages. Which makes it challenging to share CMake code. 15, CMake supports referencing Nuget packages with VS_PACKAGE_REFERENCES. We’ll use CMake as build system in this case but keep in mind that Conan works with any build system and is not limited to using CMake. This guide and the complete example source code can be found in the Help/guide/importing-exporting directory of the CMake source code tree. - cpm-cmake/CPM. For example, if your system has multiple make binaries, you might see unexpected build behavior. It is rarely necessary (but permissible) to use or alter these: All macros starting with double underscore is meant to be private, NOT stable and likely to be removed in the future. CPack is a component of the CMake build system. An example of how a library can be distributed using the CMake config file. After installing the package, the user can get access to the library via CMake's find_package () routine. Prerequisites To complete this tutorial, you’ll need: A compatible operating system (e. cmake The Find<package>. I cannot figure out if this is pos Jul 11, 2011 · It defers searching for Boost to FindBoost. CMake utilizes build-systems such as Ninja, Linux make, Visual Studio, and Xcode. Sep 23, 2021 · CMake has CPack to create packages. I know many people are not constrained by LTS Finally, we will demonstrate how to package a project with a configuration file to allow for easy integration into other CMake projects. 19 is CMake Presets. This allows it to be distributed in a clean form and isolates users from the details of the build process. 5" below the installation prefix. This chapter will examine the tools that are part of CMake to support software testing. Key Features of CPack Aug 20, 2025 · Master CMake's find_package command. During Packaging an Installer we added the ability to package up this information so it could be distributed to other people. How to structure your project # The following information is biased. Then, we extend the project into a GUI application that uses Qt Aug 15, 2022 · Remember, that package systems maintainers need a way to control all aspects of the build process by specifying CMake target properties externally (for example, on the command line). configure_package_config_file() should be used instead of the plain configure_file() command when creating the <PackageName>Config. If you’re a library writer, there are ways Nov 23, 2023 · With the help of the first example I was able to create a Conan package for a CMake project and consume it via tool_requires. txt when I am adding a new folder in my Mar 22, 2015 · Requiring a build tool like CMake to bundle heuristics to snif every library in the world makes no sense, it's not its role. For now, however, we’ll focus on the most common workflow for CMake: Configure and Build. The following examples just demonstrate more verbose CMake find_package() outputs. cmake file to help you understand exactly what is created; it’s just a normal CMake file, with the exported targets. cmake file) for us/users, and this Aug 17, 2023 · Today I bought Professional CMake, 15th Edition which says, “CMake 3. A small CMake script for setup-free, cross-platform, reproducible dependency management. Mar 31, 2025 · For example, if Canine depends on Mammal, find_package(Canine) might find canine. CMake will find the package g3log in that folder nevertheless as long as it has the structure of a CMake package. The CPack DEB generator should work on any Linux host but it will produce better deb package when Nov 21, 2017 · Same question, but is there a way to maintain my sources mixed (. cmake file in the ${CMAKE_CURRENT_SOURCE_DIR}/cmake directory would allow the find_package() command to succeed using module mode, for example. 7. com For this program, we have one library (MyLibExample) with a header file and a source file, and one application, MyExample, with one source file. txt to find them and make them available. This way a single SRPM package can be used to produce different binary rpm packages on different platforms depending on the platform's packaging rules. Learn how to use the CMake tool to build and manage C++ projects on Linux. cmake) for use with the find_package() command in config mode. By default, this module searches for this file and, if found, returns the results without further action. Various projects specify their build process with platform-independent CMake list files included in each directory of a source tree with the Introduction ¶ For developers wishing to use CMake to consume a third party binary package, there are multiple possibilities regarding how to optimally do so, depending on how CMake-aware the third-party library is. Currently the recommended strategy for consuming vcpkg is to make it a submodule for your project. In this section we will show the most basic way to use Qt in a CMake project. lib), which makes the build system not cross-platform, as different OS use different naming schemes for shared libraries, and adapting to these different naming schemes is one of the features of CMake. Let's say my project is as follows: How do I minimally package this up so that, in another project, I can use find_package(my_project)? I've seen examples that use export(), and others that use configure_package_config_file(). This project was generated by cmake-init. I aim to set up this project on Windows using Intel’s ifort. May 27, 2025 · What is CPack? These packages can be distributed to users in various formats, making it easier for them to install and use your software. CMakePackageConfigHelpers provides the write_basic_package_version_file macro, which we’ll use to generate the package-config-version. If your system does not have a CMake package, you can find CMake precompiled for many common architectures on the CMake Download page. But in a good way, I think. The tests for a software package may take a number of forms. link_directories() can be used to provide additional hints to the find_package() command about where to search for these libraries. I am seeking guidance or a minimal working example (MWE) that demonstrates the following: Configuring Jan 28, 2023 · Include the right version right in your repo; provide a custom command to update CPM. This repository contains examples for using CMake to build Swift with different project layouts, including using CMake to build pure-Swift projects, and projects that use Swift-C++ interoperability. It has comprehensive but daunting manual Build a simple CMake project using Conan Let’s get started with an example: we are going to create a string compressor application that uses one of the most popular C++ libraries: Zlib. Many Find<package>. CPACK Sep 14, 2020 · That said, we will eventually tackle how to handle writing a usable find_package file that can be used in cmake --find-package mode, in the so-called Script Mode or with cpack for the External Generator. Jul 23, 2025 · CMake is a command used for configuring and generating built systems for software projects. The CMAKE_CROSSCOMPILING variable is set to true when CMake is cross-compiling. In some cases, for example for packaging and for system wide installations, it is not desirable to write the user package registry. To solve this problem there is CPM. nupkg, nor give an example CMakeLists,txt fragment. Windows users will be familiar with these graphical user interfaces for installation, where we can select an installation directory and what software components Package Registry Example Package Registry Ownership Introduction ¶ Packages provide dependency information to CMake based buildsystems. Defining such project properties globally makes it easier to manage the project with all its Oct 7, 2020 · If you install the library in a local directory, you can even move it around and the Config. Feb 13, 2021 · CMake has a corresponding meta package system CPack, which generates configuration files for numerous packaging systems. 3 Linux container, as well as with the Cross Compiling ¶ If cmake(1) is invoked with the command line parameter --toolchain path/to/file or -DCMAKE_TOOLCHAIN_FILE=path/to/file, the file will be loaded early to set values for the compilers. The project contains the package my_lib that provides a library as well as a configuration file. This command is invoked by a project in the CMakeLists file and tells CMake how to generate EDIT: As of CMake 3. This question talks about how to tell CMake to link to the GMP library (external). the CONFIG argument to find_package() mandates that find_package() insist on a suitable package-specific . Pkg-config is designed so that it's the responsibility of the lib author or the pkg/distro maintainer to make it available to the users. While the packing is mostly based on installing, it is confusing and not quite obvious how to pack only specific components. Cmake-examples : Useful CMake ExamplesCMake Examples Introduction CMake is a cross-platform open-source meta-build system which can build, test and package software. For example, the following commands will include the CheckTypeSize module from CMake and then use the macro it defines. Make sure to use the CMake Ninja generator and Ninja build tool. It helps make the resulting package relocatable by avoiding hardcoded paths in the installed <PackageName>Config. cmake and stores the result in CACHE entry Boost_DIR. This guide covers how to find and use external C++ libraries, the difference between Module and Config mode, and why modern imported targets (e. When working on almost any code project you’ll probably want to use another library. Note that there’s a downside: if you have imported dependencies, they will need to be imported before you find_package. The primary task of a find module is to determine whether a package is available, set the <PackageName>_FOUND variable to reflect this and provide any variables, macros and imported targets required to use the package. When building on our embedded target we use ssh to remotely copy the source files and run cmake on the embedded target. exe compiler. If your project uses Bazel, see the Quickstart for Bazel instead. Jun 6, 2020 · Welcome to a tutorial about the basic of CMake! I want to introduce to you some great functionalities and a very simple example of CMakeLists, code organization and public includes! Introduction For this project, We will follow a "Little Kennel" project which contains three types of animals (Bunnies, Cats and Dogs)! Those animals are provided by an external package " AnimalPackage ". Contribute to miredirex/cmake-vcpkg-example development by creating an account on GitHub. This may be used by some CPack generators like NSIS to create an installation directory e. cmake support file, instead of falling back to Find<packagename>. Aug 12, 2025 · Sometimes the problem isn't that CMake can't find a package - it's that it's finding the wrong version of a program. More details in the following article. Jul 16, 2025 · I am trying to wrap my head around the interplay between find_package and fetchContent. One of the most useful features introduced in CMake 3. To streamline the development process, I want to utilize a package manager, specifically Conan or VCPKG. Example how to use Conan to consume binaries. Apr 1, 2022 · In this post, I show how to create CMake config and version file for a project with an example. This project is partially inspired by cmake-conan. It is a small script for dependency management, cross-platform and without configuration. cmake file (or a <lower-case-name>-config. Linux, macOS Put cmake find commands in a debug mode when running under calls to find_package(<pkg>), where <pkg> is an entry in the given comma-separated list of case-sensitive package names. Feb 15, 2019 · I want to create a project of projects using cmake which is accessible in a similar manner to that used by Poco. May 27, 2025 · CMake: Linking External Libraries: A Practical Guide 2025-05-27 Purpose Resolution of find_package () Often, you use find_package() to locate external libraries. Packaging # There are two ways to instruct CMake to build your package; one is to use a CPackConfig. cmake and I added the directory of SomeLib where the FindSomeLib. Could not find a package configuration file provided by "example_interfaces" with any of the following names: example_interfacesConfig. cmake modules are used through find_package(<package>). Apr 10, 2020 · I am trying to understand what the COMPONENT keyword is in the CMake install command. cmake — example Setup cmake_modules path — example CMake Best Practices CMake is a cross-platform build system that can be used to build, test, and package software projects. Learn to use install () and export (), generate Config. Feb 14, 2025 · In this post, I'll demonstrate how to use IMPORTED targets to include external libraries and explain how to write a FindPackage. Installing Files ¶ Software is typically installed into a directory separate from the source and build trees. txt Complex Dependency Hierarchies Populating Content Without Adding It To The Build Populating Content In CMake Script Mode This module provides commands to populate content at configure time or as part of the calling script. In today’s Part 2, I’ll show you how to find libraries and link them to your application. This comes with two important caveats. Feb 21, 2023 · Problem Statement Currently there is no standard way to consume external CMake code. It uses the generators concept from CMake to abstract package generation on specific platforms. Your PATH environment variable Nov 14, 2025 · Make runs commands defined in a Makefile, for example, to build and install programs with the compiler and linker. It may be used to configure projects in scripts. Sep 25, 2024 · Tutorial guides the user through the process of installing and using packages with CMake. h ans . CMake is a cross-platform build system generator. cmake files for Release or Debug. Jan 10, 2024 · Projects configured to use the vcpkg toolchain file (via the CMake setting CMAKE_TOOLCHAIN_FILE) can find libraries from vcpkg using the standard CMake functions: find_package(), find_path(), and find_library(). "example_interfaces", but CMake did not find one. Firstly: I need to support 2 use cases: On my laptop I develop locally in WSL. So I have full internet available and I can use FetchContent to download stuff. The projects in this repository have been tested with the 5. Load this module in CMake with: CMake is a group of tools that allow to build, test, and package applications. Contribute to dawnarc/find_package_example development by creating an account on GitHub. Feb 22, 2025 · Please see the Core Example README for steps on using the example libraries and the Installing README for an overview of installing CMake libraries. You can mess with those properties yourself: set_property(GLOBAL APPEND PROPERTY PACKAGES_FOUND MyJunkPackage) Check the source of FeatureSummary. py). Mar 30, 2022 · Every example I can find is convoluted and conflicts with other examples. At one point FetchContent was recommended Oct 30, 2022 · vcpkg package manager greatly helps with managing dependencies in a C++ project. cmake One of the problems with this solution is that we've just hardcoded the library name (alib. Note that the entry in the package registry that this command creates works only in conjunction with a package configuration file (<PackageName>Config. At the Apr 11, 2019 · include( "${CMAKE_CURRENT_LIST_DIR}/MyPackTargets. A typical invocation is of the form: Apr 16, 2018 · What would a basic config file be like which makes CMake find_package know those? I expected it would be very simple because it just doesn't have much information to provide. cmake can be included with each Boost release (first version in 1. The default way to find installed packages with CMake is the use the find_package function in conjunction with a Find<package>. The “CMake” executable is the CMake command-line interface. , "CMake 2. And if this scheme is followed, the correct way to use a lib is always through calling pkg-config. For example, to make this package show up in the "required Jun 21, 2023 · In Part 1 of our series on CMake, an open-source, cross-platform family of tools designed to build, test and package software, I provided an overview and showed you how to build a basic CMake project. 23, they're still unaccessible to the world of Ubuntu LTS so an appendix for optimal installation in a CMake 3. Here is an example for BouncyCastle version 1. In all cases, the basic form of find_package () calls is the same: find_package (Qt4 4. Some build dependencies are optional in that the build may succeed with a Creating your first ROS 2 package Goal: Create a new package using either CMake or Python, and run its executable. cmake (among others) in a directory named my_library* under the ${CMAKE_INSTALL_PREFIX}/lib (among many others). Utility Modules ¶ Utility modules are simply sections of CMake commands put into a file; they can then be included into other CMakeLists files using the include command. May 27, 2025 · Consult CMake documentation Refer to the official CMake documentation for detailed information and examples. One of the most powerful features of CMake is the ability to manage […] Mar 26, 2023 · This results configure_package_config_file which would result in cmake providing the listed variables with the PACKAGE_ prefix for use during the configuration of the file. md with other links worth taking a look, but they use obsolete practices which are considered non-modern - like not using target_* -based dependency management - see #16 and #42 for more details. Its primary function is to create packages for your software projects. You can also use the classic Unix tool pkg-config to find software dependencies, but this is not as robust as the CMake-native Find<package> modules. This repository contains example projects demonstrating how to setup a Swift project with CMake. I had a few minor questions: FILE_SET s look cool but since they shipped in CMake 3. See full list on github. FindProtobuf ¶ Note If the Protobuf library is built and installed using its CMake-based build system, it provides a package configuration file for use with the find_package() command in config mode: The Zephyr CMake package ensures that CMake can automatically select a Zephyr installation to use for building the application, whether it is a Zephyr repository application, a Zephyr workspace application, or a Zephyr freestanding application. cmake file is not typically provided by the package itself. figxu rjcs vkpg nnnik ycijh xms xpwbd yeot jofmg prha efmrj djujvb fncdah fzdyjg khw