https://golang.org/pkg/runtime/#GOROOT

GOROOT returns the root of the Go tree. It uses the GOROOT environment
> variable, if set at process start, or else the root used during the Go
> build.


I don't understand how you expect a binary to find GOROOT otherwise, if you
don't set the environment variable.

On Tue, Mar 9, 2021 at 6:38 AM tapi...@gmail.com <tapir....@gmail.com>
wrote:

> I have two machines, their GOROOTs are different.
> I build a binary on one machine then transfer the binary to the other.
> It runs well on the machine the binary is produced on, but fails on the
> other.
>
> The code reporting the error is
>
>       unsafePkg, err := build.Import("unsafe", "", build.FindOnly)
>        if err != nil {
>               log.Fatal(fmt.Errorf("build.Import: %w", err))
>        }
>
> The error is
>
>       build.Import: go/build: go list unsafe: exit status 2
>       go: cannot find GOROOT directory: /home/myname/path/of/GOROOT
>
>
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