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Embedded Linux Projects Using Yocto Project Cookbook

You're reading from   Embedded Linux Projects Using Yocto Project Cookbook Over 70 hands-on recipes for professional embedded Linux developers to optimize and boost their Yocto know-how

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Product type Paperback
Published in Mar 2015
Publisher
ISBN-13 9781784395186
Length 324 pages
Edition 1st Edition
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Author (1):
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Alex Gonzalez Alex Gonzalez
Author Profile Icon Alex Gonzalez
Alex Gonzalez
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Toc

Table of Contents (7) Chapters Close

Preface 1. The Build System 2. The BSP Layer FREE CHAPTER 3. The Software Layer 4. Application Development 5. Debugging, Tracing, and Profiling Index

Working with the CMake build system


The GNU make system is a great tool when you build exclusively for Linux systems. However, some packages are multiplatform and need a way to manage Makefile files on different operating systems. CMake is a cross-platform build system that can work not only with GNU make, but also Microsoft Visual Studio and Apple's Xcode.

Getting ready

The CMake tool parses the CMakeLists.txt files in every directory to control the build process. An example CMakeLists.txt file to compile the hello world example follows:

cmake_minimum_required(VERSION 2.8.10)
project(helloworld)
add_executable(helloworld helloworld.c)
install(TARGETS helloworld RUNTIME DESTINATION bin)

How to do it...

The Yocto build system also contains classes with the required knowledge to build CMake packages. All your recipe needs to do is to inherit the cmake class and configure the arguments to be passed to the configure script in the EXTRA_OECMAKE variable. Usually, the CMake system understands how to...

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