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From: Ricardo Wurmus <rekado@elephly.net>
To: "Ludovic Courtès" <ludo@gnu.org>
Cc: Guix-devel <guix-devel@gnu.org>, Federico Beffa <beffa@ieee.org>
Subject: Re: [PATCH] build-system: Add haskell-build-system.
Date: Sun, 29 Mar 2015 16:00:45 +0200	[thread overview]
Message-ID: <877ftz52eq.fsf@mango.localdomain> (raw)
In-Reply-To: <87wq1zyl2z.fsf@gnu.org>


Ludovic Courtès writes:

> Federico Beffa <beffa@ieee.org> skribis:
>
>> Please note that installed libraries need to be registered in a
>> compiler specific database. The database consists of a directory with
>> a configuration file for each library and *a single binary cache*
>> file. To avoid clashes in profiles, the build system does not create
>> the cache.
>
> Isn’t there any environment variable akin to LD_LIBRARY_PATH or
> GUILE_LOAD_PATH?  That would greatly simplify things.

There is the GHC_PACKAGE_PATH environment variable which is supposed to
be a colon-separated list of package databases.

See section 4.9.5.1 in the latest GHC user guide.
https://downloads.haskell.org/~ghc/latest/docs/html/users_guide/packages.html

~~ Ricardo

  reply	other threads:[~2015-03-29 14:00 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-27  8:59 [PATCH] build-system: Add haskell-build-system Federico Beffa
2015-03-29 13:44 ` Ludovic Courtès
2015-03-29 14:00   ` Ricardo Wurmus [this message]
2015-03-29 14:45     ` Federico Beffa
2015-03-30  8:16       ` Ludovic Courtès
2015-03-30 16:48         ` Federico Beffa
2015-04-02 21:31           ` Ludovic Courtès

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