r-sitko / cxx-modules-build2

C++ Modules Technical Specification (TS) project

Example application with C++ Modules Technical Specification feature

Description

Project shows example application with C++ Modules TS feature (which will be introduced in C++20 standard). For building code it uses build2 - an open source (MIT), cross-platform build toolchain with C++ Modules TS building support.

In cxx-modules-build2 directory there are application files with C++ code:

• main.cpp contains main function, module import statements and uses math, std.io and std.core modules
• math.cpp contains math module implementation
• math.mpp contains math module interface

Prerequisites

Prerequisites for running application using Docker

• Docker

Prerequisites for running application without using Docker

• build2
• Clang with C++ Modules TS feature

Running application

Running application using Docker

Being in root directory of project run in terminal:

sudo ./build_and_run.sh

Running application without using Docker

Being in root directory of project run in terminal:

bdep init -C @clang cc config.cxx=clang++
b
cxx-modules-build2/main