Common Package Specification (CPS) in Practice: Working Implementation in Conan C++ Package Manager

cppcon.org​
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Common Package Specification (CPS) in Practice: A Full Round Trip Implementation in Conan C++ Package Manager - Diego Rodriguez-Losada Gonzalez - CppCon 2024
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The Common Package Specification (CPS) is an important initiative to improve the C and C++ tooling ecosystem (and developers life). Last year CppCon2023 talks and discussions have been followed up with continuous work in the specification. This talk advances in the topic by presenting a working implementation of usage of CPS files in Conan C++ package manager and describing the different challenges, approaches and lessons learned in the process.
First, it will be presented how the current package information in ConanCenter allows the automatic creation of CPS files for many tens of thousands of packages for most of the popular C and C++ open source libraries. Even if that is not the end goal and expected flow of the CPS, this can provide an invaluable resource for experimentation and validation of both the specification and tools using it.
Then, the generation and management of CPS files inside packages will be described, including the challenges of managing multiple binary configurations, how to mix them with system-installed packages and how to consume them, both in single and multi-configuration scenarios.
Finally, how the mapping from CPS files to the different build systems (CMake, Meson, Autotools, MSBuild) is implemented via the generation of build-system specific files will be presented.
The talk will conclude with a summary of the lessons learned, open issues and discussion about the future.
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Slides: github.com/Cpp...
Sponsored by JetBrains: www.jetbrains....
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Diego Rodriguez-Losada Gonzalez
Diego Rodriguez-Losada‘s passions are robotics and SW engineering and development. He has developed many years in C and C++ in the Industrial, Robotics and AI fields. Diego was also a University (tenure track) professor and robotics researcher for 8 years, till 2012, when he quit academia to try to build a C/C++ dependency manager and co-founded a startup.. Since then he mostly develops in Python. Diego is a conan.io C/C++ package manager co-creator and project lead, now working at JFrog as Conan Lead Architect and C/C++ Advocate.
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