Re: [haskell art] Euterpea on ghc 7.10.1 ?

2015-04-13 Thread Henning Thielemann 

On Mon, 13 Apr 2015, Niklas Reppel wrote:

 Seems to be a problem with CCA (whatever that is), which doesn't
 compile ... any ideas ?

CCA = Causal Commutative Arrow

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Re: [haskell art] Euterpea on ghc 7.10.1 ?

2015-04-13 Thread Francesco Ariis 
On Mon, Apr 13, 2015 at 12:47:55AM +0200, Niklas Reppel wrote:
 Hi everybody,
 
 i was just trying to install Euterpea on ghc 7.10.1, without success.
 
 Seems to be a problem with CCA (whatever that is), which doesn't
 compile ... any ideas ?
 
 Regards,
 Niklas

CCA is a dependency of Euterpea, as listed here:

http://hackage.haskell.org/package/Euterpea-1.0.0

Please run `cabal update` and `cabal install euterpea` and
paste the whole error here so it's easier for the maintainers to
diagnose the bug.


P.S.: I am putting Paul Hudak in Cc, to make him aware of this bug report.


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Re: [haskell art] Euterpea on ghc 7.10.1 ?

2015-04-13 Thread Donya Quick 
Hi Niklas,

I'm one of the current maintainers of Euterpea. There are two CCA-related
troubleshooting tips listed at the bottom of the Euterpea download
instructions page:

http://haskell.cs.yale.edu/euterpea/download/

Scroll all the way down; they are the last two troubleshooting items. If
neither of those solves the issue, then please send me the full transcript
of the failing installation.

-Donya Quick

On Sun, Apr 12, 2015 at 6:47 PM, Niklas Reppel n...@parkellipsen.de wrote:

 Hi everybody,

 i was just trying to install Euterpea on ghc 7.10.1, without success.

 Seems to be a problem with CCA (whatever that is), which doesn't
 compile ... any ideas ?

 Regards,
 Niklas

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Re: [haskell art] Euterpea on ghc 7.10.1 ?

2015-04-13 Thread Niklas Reppel 
Hey everybody,

it seems that the issue is purely within the CCA and UISF(?) parts, as 
it happens
when i try to install those separately as well.

Seems to be a problem with the new Template Haskell (sorry, i'm really 
no expert here ...).

I already downgraded to ghc 7.8.4, which works fine for now, so i 
currently can't reproduce the
messages, but for CCA it was:

The CCA-related output is:

Preprocessing library CCA-0.1.5.2...
[1 of 4] Compiling Language.Haskell.TH.Instances ( 
src/Language/Haskell/TH/Instances.hs, 
dist/build/Language/Haskell/TH/Instances.o )

src/Language/Haskell/TH/Instances.hs:48:9:
 Not in scope: data constructor ‘ClassP’
 Perhaps you meant one of these:
   ‘ClassD’ (imported from Language.Haskell.TH.Syntax),
   ‘ClassI’ (imported from Language.Haskell.TH.Syntax),
   ‘Clause’ (imported from Language.Haskell.TH.Syntax)

src/Language/Haskell/TH/Instances.hs:48:26:
 Not in scope: data constructor ‘ClassP’
 Perhaps you meant one of these:
   ‘ClassD’ (imported from Language.Haskell.TH.Syntax),
   ‘ClassI’ (imported from Language.Haskell.TH.Syntax),
   ‘Clause’ (imported from Language.Haskell.TH.Syntax)
 In the Template Haskell quotation [| ClassP n ts |]

src/Language/Haskell/TH/Instances.hs:49:9:
 Not in scope: data constructor ‘EqualP’

src/Language/Haskell/TH/Instances.hs:49:26:
 Not in scope: data constructor ‘EqualP’
 In the Template Haskell quotation [| EqualP t t2 |]
cabal: Error: some packages failed to install:

(Already filed an Issue on Github for CCA).

Regards,
Niklas


On 13.04.2015 14:43, Donya Quick wrote:
 Hi Niklas,

 I'm one of the current maintainers of Euterpea. There are two CCA-related
 troubleshooting tips listed at the bottom of the Euterpea download
 instructions page:

 http://haskell.cs.yale.edu/euterpea/download/

 Scroll all the way down; they are the last two troubleshooting items. If
 neither of those solves the issue, then please send me the full transcript
 of the failing installation.

 -Donya Quick

 On Sun, Apr 12, 2015 at 6:47 PM, Niklas Reppel n...@parkellipsen.de wrote:

 Hi everybody,

 i was just trying to install Euterpea on ghc 7.10.1, without success.

 Seems to be a problem with CCA (whatever that is), which doesn't
 compile ... any ideas ?

 Regards,
 Niklas

 --

 Read the whole topic here: Haskell Art:

 https://urldefense.proofpoint.com/v2/url?u=http-3A__lurk.org_r_topic_32JIlr49nd9siCPTIUlFc2d=AwIBaQc=-dg2m7zWuuDZ0MUcV7Sdqwr=dRUO3ojzbUD4x-i6JjkzbBYjZmqLIL66jdImAGk8cTUm=i02fEKbER0A97c4jDMCy6dnRCz9o2wDIHXgJmQusNTQs=RI2-WK5U682sbY8Xux0FwgdaKdEXNLvpRU_a55EkNKoe=

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