You'll understand how to use external dependencies in your project – third-party libraries, testing frameworks, program analysis tools, and documentation generators. ![]() As you progress, you'll learn how to compile and link executables and libraries, how those processes work, and how to optimize builds in CMake for the best results. The book also focuses on the structure of source directories, building targets, and packages. You'll not only learn how to use the CMake language in CMake projects, but also discover what makes them maintainable, elegant, and clean. Modern CMake for C++ is an end-to-end guide to the automatization of complex tasks, including building, testing, and packaging. This book offers a simpler, more comprehensive, experience as it treats the subject of building C++ solutions holistically. At the same time, most online resources offer limited explanation, while also lacking the proper context and structure. Developers researching the subject have difficulty determining which advice is up to date and which approaches have already been replaced by easier, better practices. Manage internal and external dependencies easilyĪdd quality checks and tests as an inherent step for your buildsīook DescriptionCreating top-notch software is an extremely difficult undertaking. Understand and automate compilation and linking with CMake Purchase of the print or Kindle book includes a free eBook in the PDF format This book tries to solve the problem of the poor examples and best practices that you’ll find proliferating the web.Write comprehensive, professional-standard CMake projects and ensure the quality and simplicity of your solutions It’s easy (1-2 lines in many cases), and you’ll find that 5 minutes of work will save you hundreds of lines and hours of CMakeLists.txt writing, and will be much easier to maintain in the long run. And, since CMake will dumb itself down to the minimum required version in your CMake file, installing a new CMake, even system wide, is pretty safe. You really should at least use a version of CMake that came out after your compiler, since it needs to know compiler flags, etc, for that version. And so, you’ll find OS’s like CentOS7 with GCC 4.8, with almost-complete C++14 support, and CMake 2.8, which came out before C++11. 1 Even though every version of CMake is insanely backward compatible, the 3 series was treated as if it was something new. I believe that CMake 3 had the bad luck to follow Python 3. And it was a hard, ugly, transition that is still ongoing in some places, even today. I know, this should have nothing whatsoever to do with CMake.īut it had a 3. It was in most of the package managers for Linux OS’s, and was being used in lots of packages. Por que no los dos? The other part of this link sort of addresses that: Why use a Modern CMake?Īround CMake 2.6-2.8, CMake started taking over. Maybe it’s better now or maybe those build scripts were all buggy And, if you need a library that’s preinstalled, the chances of it having a find CMake script or config CMake script are excellent. And that will quickly be the common denominator if you include multiple projects. So, if you use a library that is designed to be included in your code, you have a choice: Make your own build system, or use one of of the provided ones, and that will almost always include CMake. More packages use CMake than any other system. ![]() Every IDE supports CMake (or CMake supports that IDE). But even a really good one, or one that re-uses a familiar syntax, can’t come close to CMake. Why must the answer be CMake?īuild systems is a hot topic. If so, you’ll benefit from a CMake-like build system. ![]() You want to use tools, like Clang-Tidy, to help you code.You want to describe how your program is structured logically, not flags and commands.You want to use an IDE, but maybe not all of the time.You need to support different OSs (maybe even just flavors of Unix).You want to use CI (continuous integration). ![]() You need to build a package on more than one computer.I posted that particular page because 1) it’s exciting that there is now a best practices tutorial and 2) it has a bunch of “why good build system? why does that mean cmake?” that I find compelling that might be motivating, quoted here: Why do I need a good build system?
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