would --dynamic-too work too?
On Thu, Jan 2, 2014 at 5:36 PM, Yorick Laupa <[email protected]> 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 <[email protected]> > >> 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 >>> >>> >
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