Any versions of Fudgets working with GHC-6?

John Meacham john at
Wed Jan 21 20:34:18 EST 2004

On Wed, Jan 21, 2004 at 01:15:53PM -0800, Thomas Hallgren wrote:
> Henrik Berg wrote:
> >... I was able to compile Fudgets when I removed 6.0.1, using
> >only 5.04.3.
> >
> >Still don't understand why I coudn't get it compile with 6.0.1,
> >though. 
> >
> fudgets-030806.src.tar.gz compiles with GHC 6.0.1.
> Fudgets does not yet compile with GHC 6.2, however, since _casm_ (which 
> very conveniently allowed you to include C code fragments in your 
> Haskell code) is no longer supported. For example, the Fudget library 
> uses the following C preprocessor macro
> #define SETI(ctype,p,i,field,v) (_casm_ ``((ctype *)%0)[%1].field=%2;'' 
> ((p)::HT(ctype)) (i) (v) :: IO ())
> to store values in arrays of records of various types. Is there a 
> convenient way to do things like this without _casm_?

probably the easiest way is to use the preproccess hsc2hs which comes
with ghc. it lets you include C code fragments and takes care of
splitting out the c code as appropriate. 


John Meacham - California Institute of Technology, Alum. - john at

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