![]() Install CMake from the official site or some other source. XCode IDE is used to build software for OSX and iOS platforms. Native toolchains for Android are provided in the Android NDK. On Windows it can be Visual Studio IDE or MinGW-w64 compiler. On *NIX platforms it is usually GCC/G++ or Clang compiler and Make or Ninja build tool. OpenCV uses CMake build management system for configuration and build, so this section mostly describes generalized process of building software with CMake. This section gives a high-level overview of the build process, check tutorial for specific platform for actual build instructions. It can happen that existing binary packages are not applicable for your use case, then you'll have to build custom version of OpenCV by yourself. System packages in popular Linux distributions ( ).Other organizations and people maintain their own binary distributions of OpenCV. Packages for Android, iOS and Windows built with default parameters and recent compilers are published for each release, they do not contain opencv_contrib modules. In many cases you can find prebuilt version of OpenCV that will meet your needs. There are two ways of installing OpenCV on your machine: download prebuilt version for your platform or compile from sources. Passed 0.Next Tutorial: OpenCV configuration options reference my_project/buildġ/1 Test #1: HelloTest.BasicAssertions. The CXX compiler identification is GNU 10.2.1 The C compiler identification is GNU 10.2.1 Now you can build and run your test: my_project$ cmake -S. Last two lines enable CMake’s test runner to discover the tests included in the You want to build ( hello_test), and links it to GoogleTest ( gtest_main). The above configuration enables testing in CMake, declares the C++ test binary ) include (GoogleTest ) gtest_discover_tests (hello_test ) With GoogleTest declared as a dependency, you can use GoogleTest code withinĪs an example, create a file named hello_ in your my_project ![]() Hash often to point to the latest version.įor more information about how to create CMakeLists.txt files, see the The Git commit hash of the GoogleTest version to use we recommend updating the The above configuration declares a dependency on GoogleTest which is downloadedįrom GitHub. ) # For Windows: Prevent overriding the parent project's compiler/linker settings set (gtest_force_shared_crt ON CACHE BOOL "" FORCE ) FetchContent_MakeAvailable (googletest ) You’ll use this file to set up your project and declare a dependency onįirst, create a directory for your project:Ĭmake_minimum_required (VERSION 3.14 ) project (my_project ) # GoogleTest requires at least C++14 set (CMAKE_CXX_STANDARD 14 ) set (CMAKE_CXX_STANDARD_REQUIRED ON ) include (FetchContent ) FetchContent_Declare ( Set up a projectĬMake uses a file named CMakeLists.txt to configure the build system for a Note: The terminal commands in this tutorial show a Unix shell prompt, but theĬommands work on the Windows command line as well. If you don’t already have CMake installed, see the See Supported Platforms for more information about platforms
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