[Haskell-cafe] Haskeline, pcre-light, iconv and Cabal on OSX

[Thomas Davie]

On 1 Feb 2009, at 19:43, Antoine Latter wrote:

> On Sun, Feb 1, 2009 at 12:04 PM, Antoine Latter <aslatter at gmail.com>  
> wrote:
>> On Sun, Feb 1, 2009 at 12:01 PM, Thomas Davie <tom.davie at gmail.com>  
>> wrote:
>>> This is caused by OS X's libiconv being entirely CPP macros, the  
>>> FFI has
>>> nothing to get hold of.  IIRC there's a ghc bug report open for it.
>>>
>>> Bob
>>>
>>
>> So why does it sometimes work?  I can write and compile executables
>> using haskeline, both with 'ghc --make' and 'cabal configure && cabal
>> build'.
>>
>> This sounds like something I can patch haskeline to account for,  
>> then?
>>
>
>
> After a bit of digging, I saw this snippet in the .cabal file for the
> iconv package on hackage:
>
>>>>>>
>  -- We need to compile via C because on some platforms (notably  
> darwin)
>  -- iconv is a macro rather than real C function. doh!
>  ghc-options:     -fvia-C -Wall
> <<<<<
>
> But it looks like the 'iconv' package is broken in the exact same way
> for me - I get the same crazy linker errors.

Yep, darwin is OS X :)

Bob