stage2 build fails

[Ben Gamari]

Simon Peyton Jones <simonpj at microsoft.com> writes:

> |  Indeed it would be nice to know which compiler you are using to
> |  bootstrap. I suspect Sylvain is correct that the alternative can be
> |  removed but first I would like to understand why this is arising only
> |  now.
>
> I'm using 8.6.4 as my bootstrap compiler. But this message occurs only when compiling the *stage2* compiler with the *stage1* compiler. At that moment the bootstrap compiler is irrelevant.
>
> It's as if the build system doesn't know that the stage1 compiler is >= 8.10
>
Hmm, interesting. Has this tree been cleaned in the last month or two?
I suspect that this may have something to do with the changes to the
GHC_STAGE macro that were merged a while back (perhaps a stale header file?).

Cheers,

- Ben

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