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Creating a Toolchain Package for Cross-Building from macOS to Linux

Introduction

This example presents a detailed guide for creating and utilizing a toolchain package to facilitate cross-compilation from macOS to Linux. The example is limited to cross-compiling from a MacOs with either x86_64 or aarch64 architecture to a Linux GNU system, also with x86_64 or aarch64.

Setup

To run the following example, you need:

  • Conan installed
  • MacOS machine with an x86_64 or aarch64 architecture
  • MacOS build profile with an x86_64 or aarch64 architecture
  • Linux host profile with an x86_64 or aarch64 architecture

Here you can see an example of the MacOs build profile:

[settings]
arch=armv8
build_type=Release
compiler=apple-clang
compiler.cppstd=gnu17
compiler.libcxx=libc++
compiler.version=15
os=Macos

Here you can see and example of the Linux host profile:

[settings]
os=Linux
arch=armv8
compiler=gcc
compiler.cppstd=gnu14
compiler.libcxx=libstdc++11
compiler.version=13
build_type=Release

How to run it

The first step will be to navigate to the "toolchain_macos_linux_cross" folder. Once there, we will use the command:

conan create . -pr:b=default -pr:h=../profiles/raspberry-64 --build-require

We are assuming that this default profile is similar to the MacOS profile we defined earlier.

More

You can find more information about a similar recipe where each method is explained in detail and how it is built in the documentation. Docs