[OS X TeX] mactex pretest

[André Valentin]

On mar, 16 2018, John Milner wrote:
> Did you start the TexLive utility and select the 2018 distribution? There
> are symbolic links that need to be set. I also recommend updating (you need
> to set the pretest repository). There were several updates. All works as
> expected on my MacBook Pro under High Sierra.
Yes I did start TLU and select the 2018 distribution, and I updated from http://ctan.ijs.si/mirror/tlpretest/

TeXShop gets stuck on my test file and I’ve the same error message on the command line: "Illegal instruction: 4"

Perhaps my iMac is too old? (I ‘ve Xcode installed, if this matters)
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