From: Timothy Sample <samplet@ngyro.com>
To: Gabriel Giamarchi <gabrielg@student.ethz.ch>
Cc: 37064@debbugs.gnu.org
Subject: bug#37064: Ghc 8.6.5 fails to find core package database
Date: Thu, 22 Aug 2019 15:26:37 -0400 [thread overview]
Message-ID: <87zhk1f1ci.fsf@ngyro.com> (raw)
In-Reply-To: <731a105e-4cf8-0d88-798b-3907c458410a@student.ethz.ch> (Gabriel Giamarchi's message of "Sat, 17 Aug 2019 17:21:08 +0200")
Hi Gabriel,
Gabriel Giamarchi <gabrielg@student.ethz.ch> writes:
> Installing only 'ghc 8.6.5' (Glasgow Haskell compiler) and sourcing
>
> '~/.guix-profile/etc/profile' leads to ghc not finding core modules.
> ('ghci' doesn't find System.IO for instance).
>
> This is due to $GHC_PACKAGE_PATH not containing ghc 8.6.5's
> package.conf.d, but
> instead ghc 8.4.3's database.
Ouch!
> Note: Not setting this variable leads to a working ghc (will search in
> default
> location), but is required to install additional packages via guix.
>
> The issue might come from guix/profiles.scm:812, since
> (module-ref (resolve-interface '(gnu packages haskell)) 'ghc)
> evaluates to <package ghc@8.4.3 gnu/packages/haskell.scm:445> in my repl.
Good catch. I can confirm this is the issue, but I’m not sure how to
fix it. We could try to find GHC from the profile rather than
unconditionally using a certain package. However, that would not help
if someone were to install GHC 8.4 and 8.6 in the same profile.
-- Tim
next prev parent reply other threads:[~2019-08-22 19:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-17 15:21 bug#37064: Ghc 8.6.5 fails to find core package database Gabriel Giamarchi
2019-08-22 19:26 ` Timothy Sample [this message]
2019-09-10 2:05 ` Timothy Sample
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