In this case make sure that the toolset that you intend to use is the only one reachable from the shell and that the shell itself is the correct one for you development environment. This can fail if CMake cannot detect your toolset, or if it thinks that the environment is not sane enough. See the Build Options and Variables sections for fine-tuning your build. CMake will use default values for all build parameters. G"Visual Studio 17 2022" is the generator (here Visual Studio 2022), -A Win32 is for the architecture (here 32 bit), so replace -A Win32 with -A 圆4 to build in 64 bit mode, and -Thost=圆4 is to use the native 圆4 toolset (to increase the available memory for the builds).ĬMake will detect your development environment, perform a series of test and generate the files required for building ROOT. On Windows, open a Native Tools Command Prompt for vs 2022.ĭownload and unpack the ROOT sources for a specific release (make sure to download the “Source distribution” and not a binary distribution) or simply clone ROOT’s git repository and check out the branch you would like to build, for example:Ĭmake -G "Visual Studio 17 2022" -A Win32 -Thost = 圆4 -DCMAKE_INSTALL_PREFIX = We will use the command-line, non-interactive CMake interface. The following are the basic instructions for UNIX-like systems and Windows. Make sure you have installed all required dependencies before building ROOT. ![]() If you already have experience with CMake, this is the recommended starting point. The Options and the Variables section is a reference for customizing your build. If you are a CMake novice, start on Basic CMake usage and then go back to the If you are really anxious about getting a functional ROOT build, go to the Quick Start section. Your build tool (GNU make, Ninja, Visual Studio, etc) for building ROOT. ROOT uses the CMake cross-platform build-generator tool as theĬMake does not build the project, it generates the files needed by ![]() Fixed Location Installation (gnuinstall=ON).Location Independent Installation (gnuinstall=OFF). ![]() Enabling experimental features, aka ROOT7.
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