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Re: [Haskell-cafe] FFI, C/C++ and undefined references

Subject: Re: [Haskell-cafe] FFI, C/C++ and undefined references
From: DNM
Date: Thu, 14 Jan 2010 11:42:42 -0800 PST
Which is weird, because 'srilm.o'/'srilm.h' are the files that define the
mysterious "undefined references".  I'll keep plugging away and report
back when (or whether) I make some progress.  In the meanwhile, if anyone
has a clue, I'm all ears.

Best,
D.N.


Malcolm Wallace wrote:
> 
> However, if you are unsure of which Haskell packages are needed, it is  
> wise to let ghc work out the dependencies for you, e.g. with
>      ghc --make Main.hs slirm.o
> 
> It cannot work out the C/C++ dependencies though, so every time you  
> get "undefined reference" linking errors, you must discover which C  
> code provides those symbols, and add its object file to the  
> commandline by hand.
> 

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