Cannot find normal object file when compiling TH code

[Carter Schonwald]

would --dynamic-too work too?


On Thu, Jan 2, 2014 at 5:36 PM, Yorick Laupa <yo.eight at gmail.com> wrote:

> Hi Carter,
>
> Someone figured it out on #ghc. It seems we need to compile with -dynamic
> when having TH code now (https://ghc.haskell.org/trac/ghc/ticket/8180)
>
> About a snippet, I working on that ticket (
> https://ghc.haskell.org/trac/ghc/ticket/7021) so it's based on the given
> sample:
>
> -- Tuple.hs
> {-# LANGUAGE ConstraintKinds, TemplateHaskell #-}
>
> module Tuple where
>
> import Language.Haskell.TH
>
> type IOable a = (Show a, Read a)
>
> foo :: IOable a => a
> foo = undefined
>
> test :: Q Exp
> test = do
>     Just fooName <- lookupValueName "foo"
>     info         <- reify fooName
>     runIO $ print info
>     [| \_ -> 0 |]
> --
>
> -- Main.hs
> {-# LANGUAGE TemplateHaskell #-}
> module Main where
>
> import Tuple
>
> func :: a -> Int
> func = $(test)
>
> main :: IO ()
> main = print "hello"
>
> --
>
>
> 2014/1/2 Carter Schonwald <carter.schonwald at gmail.com>
>
>> Did you build ghc with both static and dynamic libs? Starting in
>> 7.7/HEAD, ghci uses Dylib versions of libraries, and thus TH does too.
>>  What OS and architecture is this, and what commit is your ghc build from?
>>
>> Last but most importantly, if you don't share the code, we can't really
>> help isolate the problem.
>>
>>
>> On Thursday, January 2, 2014, Yorick Laupa wrote:
>>
>>> Hi,
>>>
>>> Oddly I can't compile code using TH with GHC HEAD. Here's what I get:
>>>
>>> cannot find normal object file ‛./Tuple.dyn_o’
>>>     while linking an interpreted expression
>>>
>>> I'm currently working on a issue so I compile the code with ghc-stage2
>>> for convenience.
>>>
>>> I found an old ticket related to my problem (
>>> https://ghc.haskell.org/trac/ghc/ticket/8443) but adding
>>> -XTemplateHaskell didn't work out.
>>>
>>> The code compiles with ghc 7.6.3.
>>>
>>> Here's my setup: Archlinux (3.12.6-1)
>>>
>>> Any suggestions ?
>>>
>>> --Yorick
>>>
>>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.haskell.org/pipermail/ghc-devs/attachments/20140102/37519bcc/attachment-0001.html>