Detecting Apple Silicon (vs. legacy Intel)

[Chris Jones]

I

> On 31 Dec 2021, at 5:13 pm, Vincent Habchi <vince at macports.org> wrote:
> 
> Folks,
> 
> finally put my hands on my brand new MacBook Pro 14”! (Well, not really mine, rather my company’s, but let’s pretend…)
> 
> I was wondering if there is a simple scheme to detect on which type of architecture MacPorts is running. My problem here is that clang on M1 does not honour the -march flag and exits with an error.

if {${os.arch} eq "arm"} {
…
}

> 
> Thanks and early happy new year to all!
> 
> Vincent
> 
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