[Haskell-cafe] Turning off warning in ghc-mod (in vim)

Magnus Therning magnus at therning.org
Mon Jan 6 08:15:57 UTC 2014

On Sun, Jan 05, 2014 at 03:36:22PM +0100, Magnus Therning wrote:
> On the command line I can do the following:
>   % ghc-mod check -g -isrc -g dist/build/autogen src/Main.hs | grep Top-level
>   Binary file (standard input) matches
>   % ghc-mod check -g -isrc -g dist/build/autogen -g -fno-warn-missing-signatures src/Main.hs | grep Top-level
>   %
> That is, there is no output on the second call, just as expected.
> However, I can't work out out to turn off the warning in Vim.  AFAIU
> the following should work:
>   g:ghcmod_ghc_options = ['-isrc', '-idist/build/autogen', '-fno-warn-missing-signatures']
> but it doesn't.  I'm obviously missing something, but what?

This was due to my confusion.  Once I realised that the markings in
Vim wasn't due to the ghc-mod.vim, but due to syntastic it became a
lot easier to fix my configuration.

In short

   g:ghcmod_ghc_options = ['-isrc', '-idist/build/autogen', '-fno-warn-missing-signatures']

works fine for controlling the GhcMod* commands.  To configure the
arguments syntastic pass to ghc-mod use this:

    g:syntastic_haskell_ghc_mod_args = '-g -fno-warn-missing-signatures'


Magnus Therning                      OpenPGP: 0xAB4DFBA4 
email: magnus at therning.org   jabber: magnus at therning.org
twitter: magthe               http://therning.org/magnus

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