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CMake Cookbook

You're reading from   CMake Cookbook Building, testing, and packaging modular software with modern CMake

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Product type Paperback
Published in Sep 2018
Publisher Packt
ISBN-13 9781788470711
Length 606 pages
Edition 1st Edition
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Authors (2):
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Radovan Bast Radovan Bast
Author Profile Icon Radovan Bast
Radovan Bast
Roberto Di Remigio Roberto Di Remigio
Author Profile Icon Roberto Di Remigio
Roberto Di Remigio
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Toc

Table of Contents (18) Chapters Close

Preface 1. Setting up Your System FREE CHAPTER 2. From a Simple Executable to Libraries 3. Detecting the Environment 4. Detecting External Libraries and Programs 5. Creating and Running Tests 6. Configure-time and Build-time Operations 7. Generating Source Code 8. Structuring Projects 9. The Superbuild Pattern 10. Mixed-language Projects 11. Writing an Installer 12. Packaging Projects 13. Building Documentation 14. Alternative Generators and Cross-compilation 15. Testing Dashboards 16. Porting a Project to CMake 17. Other Books You May Enjoy

Running tests in parallel

The code for this recipe is available at https://github.com/dev-cafe/cmake-cookbook/tree/v1.0/chapter-04/recipe-08. The recipe is valid with CMake version 3.5 (and higher), and has been tested on GNU/Linux, macOS, and Windows.

Most modern computers have four or more CPU cores. One fantastic feature of CTest is its ability to run tests in parallel, if you have more than one core available. This can significantly reduce the total time to test, and reducing the total test time is what really counts, to motivate developers to test frequently. In this recipe, we will demonstrate this feature and discuss how you can optimize the definition of your tests for maximum performance.

Getting ready

Let us assume...

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