[Haskell-cafe] Cabal: disabling -fvia-C

[Henning Thielemann]

On Tue, 24 May 2011, Jacek Generowicz wrote:

> On 2011 May 24, at 11:12, Jacek Generowicz wrote:
>
>> I have found an {-# OPTION -fvia-C #-} deep inside the lambdabot code in 
>> Plugin/Pl/Common.hs. How can I tell cabal install to ignore this? Is there 
>> some command line option for doing so, or do I have to edit the source code 
>> and somehow persuade cabal to use my hacked version ?
>
> The edited source code is ignored by cabal install. However, if you tar.gz 
> the edited source code and replace the original tarball (making sure that you 
> do *not* remove the untarred directory (it seems that you can remove its 
> contents, but not the directory itself)), then cabal install works and 
> lambdabot installs.

You cannot only run

$ cabal install lambdabot

but you can also switch to lambdabot source directory and call

lambdabot$ cabal install