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Modern CMake for C++

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Introduction to the Course

Getting Started

First Steps with CMake

Introduction Understanding the Basics CMake Tools CMake Command: Generating a Project Build System CMake Command: Building a Project CMake Command: Other Operations Other CMake Tools Navigate the Project Files: Directory Structure and Cache Variable Navigate the Project Files: Configuration Files and Presets Discovering Scripts and Modules Chapter Wrap-up

The CMake Language

Introduction CMake Language Syntax Working With Variables Variable Scope and Lists Conditional Blocks Comparison Operators and Simple Checks Loops Command Definitions: Macros Command Definitions: Functions Naming Conventions Useful Commands Chapter Wrap-up

Setting Up Our First CMake Project

Introduction Basic Directives and Commands Project Partitioning Scoped Subdirectories Thinking About the Project Structure Scoping the Environment Configuring the Toolchain Interprocedural Optimization Disabling in-source builds Chapter Wrap-up

Working with Targets

Introduction The Concept of a Target Target Properties Pseudo Targets Writing Custom Commands Understanding Generator Expressions Types of Evaluation Examples to Try Out Chapter Wrap-up

Compiling C++ Sources with CMake

Introduction The Basics of Compilation Preprocessor Configuration: Definition Preprocessor Configuration: Header Optimizer Configuration: General Level Optimizer Configuration: Function and Loop Level Managing the Process of Compilation Finding Mistakes Chapter Wrap-up

Linking with CMake

Introduction Getting the Basics of Linking Right Building Different Library Types Solving Problems With the One Definition Rule Duplicated Namespaces and Dynamically Linked Symbols The Order of Linking and Unresolved Symbols Separating main() for Testing Chapter Wrap-up

Course Assessment

Modern CMake for C++ Exam 1

Managing Dependencies with CMake

Introduction How to Find Installed Packages I How to Find Installed Packages II Discovering Legacy Packages With FindPkgConfig Writing Our Own Find-Modules Working With Git Repositories: Submodules Git-Cloning Dependencies for Projects That Don't Use Git Using ExternalProject Modules Using FetchContent Modules Chapter Wrap-up

Testing Frameworks

Why Are Automated Tests Worth the Trouble?

Using CTest to Standardize Testing in CMake

Creating the Most Basic Unit Test for CTest

Structuring Our Projects for Testing

Unit-Testing Frameworks: Catch2

Unit-Testing Frameworks: GTest

Unit-Testing Frameworks: GMock

Generating Test Coverage Reports

Chapter Wrap-up

Program Analysis Tools

Introduction Enforcing the Formatting Using Static Checkers Introduction to Checkers Dynamic Analysis With Valgrind: Memcheck Dynamic Analysis With Valgrind: Memcheck-Cover Chapter Wrap-up

Generating Documentation

Introduction Adding Doxygen to Our Project Generating Documentation With a Modern Look Chapter Wrap-up

Installing and Packaging

Introduction Exporting Without Installation Installing Projects on the System Installing Logical Targets Low-Level Installation Working With Whole Directories Invoking Scripts During Installation Creating Reusable Packages Creating and Managing Config-Files Generating Package Version Files Defining Components Packaging With CPack Chapter Wrap-up

Creating Our Professional Project

Introduction Planning Our Work Project Layout Building and Managing Dependencies Testing and Program Analysis Installing and Packaging Providing the Documentation Challenge: Creating Our Professional Project Solution: Creating Our Professional Project

Conclusion

Appendix

Installing CMake Miscellaneous Commands The string() Command The list() Command The file() Command The math() Command

Creating the Most Basic Unit Test for CTest

Let's learn how to add a simple test.

We'll cover the following

Example
Try it yourself

Writing unit tests is technically possible without any kind of framework. All we have to do is create an instance of the class we want to test, execute one of its methods, and check if the new state or value returned meets our expectations. Then, we report the result and delete the object under test.

Example

Let's try it out. We'll use the following structure:

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