[Haskell-cafe] HaXml and ghci unresolved symbol

[Lemmih]

It looks a bit like 'HaXml' has been updated after 'hxml' was built.
Try rebuilding 'hxml' against the 'HaXml' you've got installed.

On 9/10/06, Andrea Rossato <mailing_list at istitutocolli.org> wrote:
> Il Sat, Sep 09, 2006 at 05:20:55PM -0400, Mark T.B. Carroll ebbe a scrivere:
> > FWIW I have the same problem - I can't use HaXml with ghci.
> > So it's not just you. (-:
>
>
> Indeed!
>
> So I found my first bug in ghc... And now I'll dig into ghc bug
> reports to see if someone is working on the problem... This is going
> to be hard, but it's the way you start learning something....;-)
>
> Thanks for your kind attention. Below the full error messages with the
> code producing them.
>
> Andrea
>
>
> The code below works fine with Hugs:
> Main> :load xml.hs
> Main> main
> prova
>
> Main>
>
> If I try to compile it with ghc I get this:
>
> [11:16:06][andrea at laptop:~/devel/haskell/xml]$ ghc --make xml.hs -package HaXml -package hxml -o prova
> Chasing modules from: xml.hs
> Compiling Main             ( xml.hs, xml.o )
> Linking ...
> /usr/local/lib/hxml-0.2/lib/libhxml.a(HaXmlAdapter.o)(.text+0x12c1): In function `spZc_dflt':
> : undefined reference to `TextziXMLziHaXmlziPretty_zdwelement_infó
> /usr/local/lib/hxml-0.2/lib/libhxml.a(HaXmlAdapter.o)(.text+0x1435): In function `spZy_dflt':
> : undefined reference to `TextziXMLziHaXmlziPretty_zdwelement_infó
> /usr/local/lib/hxml-0.2/lib/libhxml.a(HaXmlAdapter.o)(.rodata+0xa4): undefined reference to `TextziXMLziHaXmlziPretty_zdwelement_closure`
> /usr/local/lib/hxml-0.2/lib/libhxml.a(HaXmlAdapter.o)(.rodata+0xc4): undefined reference to `TextziXMLziHaXmlziPretty_zdwelement_closure`
> collect2: ld returned 1 exit status
>
> Loading HaXml and hxml in ghci will produce:
> [11:15:39][andrea at laptop:~/devel/haskell/xml]$ ghci -package HaXml -package hxml
>    ___         ___ _
>   / _ \ /\  /\/ __(_)
>  / /_\// /_/ / /  | |      GHC Interactive, version 6.4.2, for Haskell 98.
> / /_\\/ __  / /___| |      http://www.haskell.org/ghc/
> \____/\/ /_/\____/|_|      Type :? for help.
>
> Loading package base-1.0 ... linking ... done.
> Loading package Cabal-1.1.4 ... linking ... done.
> Loading package haskell98-1.0 ... linking ... done.
> Loading package haskell-src-1.0 ... linking ... done.
> Loading package HaXml-1.13.1 ... linking ... done.
> Loading package hxml-0.2 ... linking ... ghc-6.4.2: /usr/local/lib/hxml-0.2/lib/hxml.o: unknown symbol `TextziXMLziHaXmlziTypes_AttValue_con_info`
> ghc-6.4.2: unable to load package `hxml-0.2'
>
>
>
> This is the code:
>
> module Main where
> import Text.XML.HaXml
> import HaXmlAdapter -- from hxml
>
> xml = "<a>prova</a>"
> doc = xmlParse "tmp" xml
>
> getContent (Document prolog _ (Elem name _ content) _) = content
>
> cont = getContent doc
>
> showDoc :: [Content] -> IO ()
> showDoc [] = return ()
> showDoc (x:xs) = do putStrLn $ showContent x
>                     showDoc xs
>
> main = showDoc cont
> _______________________________________________
> Haskell-Cafe mailing list
> Haskell-Cafe at haskell.org
> http://www.haskell.org/mailman/listinfo/haskell-cafe
>


-- 
Cheers,
  Lemmih