CMake Mastery: Test Your Knowledge

Idyllic via DISCORD

Created 7/9/2024

69.87%

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Sources

https://www.reddit.com/r/cpp/comments/12dssrl/best_practice_for_cpp_projects_using_cmake/

https://gist.github.com/mbinna/c61dbb39bca0e4fb7d1f73b0d66a4fd1

https://discourse.cmake.org/t/best-practice-to-configure-libraries/10083

https://indico.jlab.org/event/420/contributions/7961/attachments/6507/8734/CMakeSandCroundtable.slides.pdf

Think you're a CMake pro? Dive into this quiz to test your understanding of CMake usage, syntax, and best practices. Perfect for developers who want to ensure they know CMake inside out.

1. Which command type in CMake has its own scope, making its variables invisible in the parent scope?

Modules

Targets

Macros

Functions

2. Which feature of modern find modules in CMake improves their usability and robustness?

Reduced size

Global variables

Exported targets

Custom macros

3. What is the recommended way to specify the C++ standard in CMake?

target_include_directories

set_target_properties

target_compile_features

compile_definitions

4. What is the best practice for integrating third-party libraries in a CMake project?

find_library and find_path

Global path variables

Hardcoding paths

Copying files manually

5. How can you make CMake variable settings configurable by the user?

Using CMake options

Embedding in scripts

Hardcoding values

Using environment variables

6. Which aspect of functions makes them preferable to macros in most cases?

Memory usage

Execution speed

Scope isolation

Syntax simplicity

7. What advantage does using target_compile_features in CMake offer?

Speeds up compilation

Reduces binary size

Simplifies syntax

Manages compiler compatibility

8. When configuring target_compile_options in CMake, what should be avoided?

PUBLIC -Wall flag

PRIVATE -pthread

INTERFACE -O3

PUBLIC -lstdc++

9. What is one key benefit of modular design in CMake projects?

Centralizes dependencies

Increases speed

Reduces code size

Improves reusability

10. To maintain readable and maintainable CMakeLists files, what should be avoided?

Mixing old and new practices

Following naming conventions

Modularizing scripts

Using clear comments

11. What does the CMake command add_executable help you achieve?

Defines executables

Defines libraries

Links dependencies

Sets compile flags

12. Why should you use cmake-format for CMake code formatting?

Ensures consistent formatting

Reduces code size

Speeds up build time

Simplifies syntax

13. What main advantage does using modern CMake practices provide?

Simpler syntax

Relocatable packages

Faster execution

Smaller binaries

14. What is the minimum required version of CMake to use modern CMake features effectively?

Version 4.0.0

Version 2.8.0

Version 3.0.0

Version 3.10.0

15. What command can help you debug flag or file issues in CMake?

set_property

try_compile or try_run

message

cmake --debug

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