Common Package Specification (CPS) in practice: A full round trip implementation in Conan C++ package manager CppCon24Outline - Introduction to Common Package Specification (CPS) - Creation of CPS CMake projects Why a Common Package Specification (CPS) 4Common Package Specification (CPS) ZLib zlib.cps 5 …Existing solutions Searching for Convergence in C++ Package Management - Bret Brown & Daniel Daniel Ruoso - CppNow 2022 Case For a Standardized Package Description Format for External C++ Libraries by Luis Caro Campos - CppCon22 6 set(_ZLIB_x86 "(x86)") set(_ZLIB_SEARCH_NORMAL PATHS "[HKE

A Common Package Specification: Getting Build Tools to Talk to Each Other Lessons Learned From Making Thousands of Binaries Consumable by Any Build System Diego Rodriguez-Losada @ CppCon 2023Outline configuration: Windows, x86_64, VS-2022, Release, static library 3. Install (system package manager or language package manager), build from source by the user, with that configuration 4. Pass information main(void){ … deflateInit(&defstream, Z_BEST_COMPRESSION); Build system scripts What is a package 5 ZLib - Independent unit of build and release (versionable) - Ready to use (binary)#include

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Decentralized package manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.3 Binary management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.8 New package_id . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 . . . . . . . . . . . . . 12 2.14 Package immutability optimizations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2.15 Package lists . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Decentralized package manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.3 Binary management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.8 New package_id . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 . . . . . . . . . . . . . 12 2.14 Package immutability optimizations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2.15 Package lists . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Decentralized package manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.3 Binary management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.8 New package_id . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 . . . . . . . . . . . . . 12 2.14 Package immutability optimizations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2.15 Package lists . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Decentralized package manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.3 Binary management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.8 New package_id . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 . . . . . . . . . . . . . 12 2.14 Package immutability optimizations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2.15 Package lists . . . . . . . . . . . . . . . . . .

Key priorities Kotlin roadmap by subsystem What's changed since December 2022 Basic syntax Package definition and imports Program entry point Print to the standard output Functions Variables Type-safe builders How it works Scope control: @DslMarker Full definition of the com.example.html package Using builders with builder type inference Writing your own builders How builder inference works with Kotlin Using Lombok-generated declarations in Kotlin Calling Kotlin from Java Properties Package-level functions Instance fields Static fields Static methods Default methods in interfaces Visibility

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Decentralized package manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.3 Binary management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.8 New package_id . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 . . . . . . . . . . . . . 12 2.14 Package immutability optimizations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2.15 Package lists . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Decentralized package manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.3 Binary management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.8 New package_id . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 . . . . . . . . . . . . . 12 2.14 Package immutability optimizations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2.15 Package lists . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Decentralized package manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.3 Binary management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.8 New package_id . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 . . . . . . . . . . . . . 12 2.14 Package immutability optimizations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2.15 Package lists . . . . . . . . . . . . . . . . . .