`ghc` in `pkg` is incapable of bootstrapping

[Gleb Popov]

On Sun, Jun 3, 2018 at 2:55 AM, raichoo via freebsd-haskell <
freebsd-haskell at freebsd.org> wrote:

> Hi,
>
> I've posted on this list a couple of weeks ago. GHC 8.4.1+ has enabled
> dtrace probes on
> FreeBSD, sadly this caused an issue with GHC's ability to function as a
> bootstrap compiler to
> build GHC. 8.4.2 added a flag to disable dtrace support and link the RTS in
> a way that
> does not tamper with the bootstrap ability of the compiler.
>
> I'd recommand to ship GHC built with --disable-dtrace for the moment. That
> does not seem to
> be the case with the GHC that is currently being shipped via `pkg` so
> people trying
> to bootstrap their own compiler might run into unpleasant surprises.
>

Is that so? We build GHC with --enable-dtrace=0 on FreeBSD 10 and 11. And
the current bootstrap version is already 8.4.2.


> I've just now submitted a patch to GHC project that fixes this issue and
> it'll hopefully be
> available as soon as possible.
>
> Kind regards,
> raichoo
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