> So, the solution to problem #1 is to make sure a normal user can create
/usr/local/go/pkg/linux_amd64_dynlink and files in and underneath it.

While this is fine as a proof of concept and to diagnose the situation, I 
don't think that it can be called good advice to make /usr/local writeable 
to even one ordinary user ... or am I mistaking here something?
On Tuesday, January 31, 2023 at 3:37:39 AM UTC+1 jlfo...@berkeley.edu wrote:

> Thanks for the comments. I had to do it as root because running
>
> go install -buildmode=shared std
>
> as me results in
>
> go install internal/goarch: mkdir /usr/local/go/pkg/linux_amd64_dynlink: 
> permission denied
>
> As root, changing the ownership of /usr/local/go/pkg/linux_amd64_dynlink 
> to me, and then, as me, running
>
> go install -buildmode=shared std 
>
> ran to completion. So, the solution to problem #1 is to make sure a normal 
> user can create
> /usr/local/go/pkg/linux_amd64_dynlink and files in and underneath it.
>
> (I did all this after reinstalling go from scratch).
>
> However, none of this changed the possible creation of an possibly 
> unnecessary  shared lib, and the
> resulting build time penalty, e.g
>
> % time go build -linkshared t.go
> go build -linkshared t.go  1.22s user 0.29s system 103% cpu 1.455 total
> % time go build t.go
> go build t.go  0.10s user 0.04s system 132% cpu 0.102 total
>
> In looking at the commands executed by go build, I still see what looks 
> like a lot
> of extra work being done, but I'm not 100% sure. That's what I'm hoping a 
> Go
> expert can comment on. (I'd be happy to send the list of commands being 
> executed
> to anybody who wants it. )
>
> I agree it wouldn't make any sense for a shared library to be created that 
> only contains
> the code that my program needs. I was expecting for a shared library to be 
> created that
> contains the entire go runtime.
>
>  Jon
>
>
>
>

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