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Let’s use the configuration CMAKE_INSTALL_PREFIX as an example. There are basically three ways that you could use to tweak the configurations. When you run cmake for the first time, the content of this file is generated according to CMakeLists.txt. For example, it stores the value of CMAKE_INSTALL_PREFIX which specifies which directory to install the binaries/libraries to when using make install later. This file contains the configurations used for a particular project. One of the files that CMake generates is the CMakeCache.txt file.
#Cmake install path how to
The next section discusses how to tweak the configuration. However, usually you need some tweaking before invoking make. In the simplest case, this is all you need to do to build a project. When you run the cmake command, it reads a file called CMakeLists.txt from /path/to/project/directory and generates a lot of files in /path/to/build/directory according to the settings in CMakeLists.txt (including the Makefile). This is a good practice as it won’t mess with your source folder and you could also build multiple variants in multiple folders. Notice that we have a separate folder for the build. Now suppose you have a project with CMake as the build system, you need to do the following $ mkdir /path/to/build/directory # you could create the directory at anywhere you like For example, you would install CMake on Ubuntu with $ apt-get install cmake If it’s not, it could be easily installed on Linux or macOS using package managers. So how exactly do we use CMake? Well, first you have to make sure CMake is installed. As our focus for this post is on how to use CMake, details on how to write CMake files to accomplish all these are not discussed here. Specifically, CMake lets you easily handle things like building on multiple platform, supporting multiple compilers, supporting optional dependencies, etc. However, if you have a large project with somewhat complex compilation steps, CMake will be a better tool. Also, Make is useful for some simple automation tasks. In that case, using CMake is not really necessary. Well, I do agree that Make can be quite handy if you are working on a small codebase which doesn’t have a lot of logic in building the project. If you know what Makefile is, you may wonder why someone would use CMake when there is already Make. Specifically, I wanna talk about how CMake should be used, which can be a bit confusing for someone using CMake for the first time. I would like to share what I’ve learnt here in this blog post. Therefore, I decided to learn more about CMake and fix the problem. However, there were some problems with the CMake system which is used in the project. Make sure to check Qt Creator Kits on the Verify Build & Run options page.Today I started working on an existing CUDA project and the first thing I did was to try to build the project. Once Qt Creator is installed, you will need to verify that the various compilation settings have been defined correctly. Only QtCreator (default, can not be unchecked) from the Tools section is necessary.
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Here you get the option to select which parts of the Qt SDK you wish to install, shown below. Step 5: Select componentsĬlick “Continue” until you get to the “Select Components” step. Specify your preferred installation directory (or leave it at default). If you encounter this, click away the warning by pressing “Ok”, three times, the installation will continue as normal. You might be prompted by an Xcode warning, even though you have Xcode or the Xcode command-line tools installed. The installer will now prepare the installation (this will take a short while). Press “Skip” and “Next”, the online installer will prepare the sources. You can safely skip logging into your Qt account.
#Cmake install path download
Qt Creator ¶ Step 1: Download Qt Creatorĭownload QtCreator from the Qt website.