How Can I Cross-Compile Go Applications on macOS?

Cross-Compiling Go on macOS

The task of compiling a Go application on macOS for different operating systems and architectures (cross-compiling) can sometimes be a challenging endeavor. While older methods involving makefiles and manual configuration may no longer be effective, a convenient solution has emerged with the introduction of Go 1.5.

In Go 1.5 onwards, cross-compilation is an inherent feature. By setting the GOOS (operating system) and GOARCH (architecture) environment variables, you can instruct the Go compiler to build your application for the target platform.

For example, to build a binary for Linux on ARM from a macOS system:

env GOOS=linux GOARCH=arm go build -v github.com/path/to/your/app

The env command ensures that the environment variables are set only for the duration of the command.

Utilizing this simplified approach to cross-compilation eliminates the need for external tools or manual configurations, making it a more streamlined and accessible process.

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