03-07-2014 19:32, "Vlatko Basic" <vlatko.basic@gmail.com> napisał(a):

Hi Anthony,

I can install it manually, I'm just trying to find out if a solution exist to tell cabal to use a flag for compiling an external package, i.e. to treat it as if there is no flag.

Something like "add-source-flags" would do. :-)

I also tried 'ghc-options: -DFLAG' in project's cabal file, but no luck.

vlatko

-------- Original Message --------
Subject: Re: [Haskell-cafe] Specifying cabal sandbox flag for local package
From: Anthony Cowley <acowley@seas.upenn.edu>
To: vlatko.basic@gmail.com
Cc: haskell-cafe <haskell-cafe@haskell.org>
Date: 03.07.2014 19:24

On Thu, Jul 3, 2014 at 12:47 PM, Vlatko Basic <vlatko.basic@gmail.com> wrote:

Hello Cafe,

I have a local forked package and added its path to sandboxed project with
'cabal sandbox add-source PATH'.

However, to build that package I have to specify a flag to 'cabal install'.
In other words I can't install it by
'cabal install --only-dependencies',
but separately with
'cabal install PACKAGE -fFLAG'.

Is there a way to tell cabal sandbox (or in project.cabal) to always use
some flag(s) for compiling a (particular) package in local path?

A way of side stepping this problem is to setup a sandbox in the
forked project directory with "cabal sandbox init
--sandbox=../MyProject/.cabal-sandbox", then you can run "cabal
install --flags" in the forked project directory, and it will install
to the sandbox for your downstream project.

Anthony

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