![]() ![]() ![]() More easily keep the code well-structured.(For example you could use the library in your units tests by simply linking to it.) You can re-use the library for different parts of the project without recompiling.(As long as you do not touch the library’s code, you only need to compile it once.) Reducing compilation time while developing.You have the option to build this as a separate static (or shared) library and link it to your application. Source-only libraries as a separate library For our example, numbers has no library dependencies. This will build the library into our example application and will not require linking to any new libraries other than the libraries numbers needs to build. For this, I’ll use a “numbers” library as an example: When you use the object, you need to use a normal include statement that includes the header via a relative path. Source-only libraries as part of the main applicationįor this type method you only need to copy the source and add them to the list of sources for the target. Consider placing them in a sub directory to keep your source tree clean. Any Library that is a single header is this kind of library an example of one would be Json.h. These are the easiest to work with: just copy them into your source tree and add them to your project as if they were any other source file. How CMake Handles Different Types of Libraries Embedded libraries lib file to use when including files from the lib. Along with the library you will have headers or a. System libraries, which are libraries on your computer system. Source-only libraries, which are meant to be compiled within your code. Libraries can either be compiled within your source code (embedded) or made available by the system as a so-called “system library.” There’s are the most common types of libraries:Įmbedded libraries, which embed their resulting code in the final binary, whether that’s an application or another library. Here’s a look at different types of libraries, and insight on how to use them within an example CMake project. There are several kinds of libraries you may need to use. When working on almost any code project you’ll probably want to use another library. In today’s Part 2, I’ll show you how to find libraries and link them to your application. 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. ![]()
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