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Minor GHC 6.12 with HJScript
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stepcut  
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 More options Dec 19 2009, 3:24 pm
From: stepcut <jer...@n-heptane.com>
Date: Sat, 19 Dec 2009 12:24:59 -0800 (PST)
Local: Sat, Dec 19 2009 3:24 pm
Subject: Minor GHC 6.12 with HJScript
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Hello,

When attempting to build HJScript with GHC 6.12, users are
encountering the following error:
--------------------------------
Downloading HJScript-0.4.4...
Configuring HJScript-0.4.4...
Preprocessing library HJScript-0.4.4...
Building HJScript-0.4.4...

src/HJScript/Lang.hs:30:4: parse error on input `rec'
cabal: Error: some packages failed to install:
HJScript-0.4.4 failed during the building phase. The exception was:
ExitFailure 1
happstack-0.4 depends on HJScript-0.4.4 which failed to install.
hsp-0.4.5 depends on HJScript-0.4.4 which failed to install.
-------------------------------

The reported fix is:

<burp> you can safely remove "{-# OPTIONS_GHC -fglasgow-exts #-}" in
Lang.hs
<burp> which enables -XDoRec, "rec" as a keyword

I am planning to release happstack 0.4 on hackage later today. This is
the only issue that prevents users from being able to cabal install
happstack from hackage under 6.12.

thanks!
- jeremy


 
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Aycan iRiCAN  
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 More options Dec 20 2009, 7:03 pm
From: Aycan iRiCAN <iricanay...@gmail.com>
Date: Sun, 20 Dec 2009 16:03:23 -0800 (PST)
Local: Sun, Dec 20 2009 7:03 pm
Subject: Re: Minor GHC 6.12 with HJScript
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Actually you also need -XGADTs.

aycan@fgt:~/haskell/HJScript-0.4.5$ head -n1  src/HJScript/Monad.hs
{-# LANGUAGE OverlappingInstances, UndecidableInstances, GADTs #-}

On 19 Aralık, 22:24, stepcut <jer...@n-heptane.com> wrote:


 
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Niklas Broberg  
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 More options Dec 22 2009, 9:46 am
From: Niklas Broberg <niklas.brob...@gmail.com>
Date: Tue, 22 Dec 2009 15:46:25 +0100
Local: Tues, Dec 22 2009 9:46 am
Subject: Re: Minor GHC 6.12 with HJScript
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> Actually you also need -XGADTs.

Indeed you do, I wonder why that didn't bite me before I uploaded. Oh
well, 0.4.6 is now on hackage with GADTs specified properly. Thanks
for reporting!

Cheers,

/Niklas


 
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