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Minimal CMake

Minimal CMake

By : Tom Hulton-Harrop
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Minimal CMake

Minimal CMake

5 (1)
By: Tom Hulton-Harrop

Overview of this book

Minimal CMake guides you through creating a CMake project one step at a time. The book utilizes the author's unique expertise in game and engine development to craft compelling examples of how CMake can be used to build complex software. The chapters introduce concepts gradually, each one building on the last. Throughout the course of the book, you will progress from a simple console application all the way through to a full windowed app. The book will help you build a strong foundation in CMake that will translate to future projects. You'll learn how to integrate existing software libraries to enhance your app's functionality, how to build reusable libraries to share with others, and how to manage developing for multiple platforms simultaneously, including macOS, Windows, and Linux. You'll also find out how CMake facilitates testing and how to package your application ready for distribution. The book aims to not overwhelm you with everything there is to know about CMake. Instead, it focuses on the most relevant and important parts that will help you become productive quickly. By the end of this book, you will be a confident CMake user and will have gained the skills and experience to build and share your own libraries and applications.
Table of Contents (17 chapters)
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1
Part 1: Starting Up
6
Part 2: Scaling Up
11
Part 3: Wrapping Up

Adding another file

Before we wrap up, let’s make one small addition to our application. We’d like to improve the performance of our update logic in our current implementation of Game of Life. One subtlety of implementing Game of Life is we can’t change the board we’re reading from at the same time. If we do, then the cells from the row we’re on will have changed from their earlier state by the time we get to the next row, which will mean the simulation won’t run correctly. In the implementation in ch2/part2 (a reminder to refer to https://github.com/PacktPublishing/Minimal-CMake to find this), we simply make a copy of the whole board, read from that in update_board (see line 72 in ch2/part-2/main.c) and write back to the original board. This is okay, but if most cells don’t change, it’s wasteful. A better approach is to record the cells that change, and then write back to the original board at the end. By doing this, we only...

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