[Haskell-beginners] Re: how do you use a package (.cabal)?

Brandon S. Allbery KF8NH allbery at ece.cmu.edu
Sat Mar 28 03:43:15 EDT 2009

On 2009 Mar 28, at 3:40, 7stud wrote:
> Brandon S. Allbery KF8NH <allbery <at> ece.cmu.edu> writes:
>> On 2009 Mar 28, at 2:35, 7stud wrote:
>>> $ ghc -c Main.hs
>>> ~/2testing/dir3$ ghc -o test Main.hs
>> If you're not using the cabal framework to build your program,
> I thought I was.

You used it to build your package.  You're using ghc directly to build  
your program, not doing "runhaskell Setup.hs build" or "cabal install".

>> you
>> want to use "ghc --make" so it will chase down the package
>> dependencies.  Otherwise you would need to say "ghc -package  
>> mypretty".
> Based on what I did to install the package, how am I supposed to use
> the package in a program?  The book doesn't give any clue.

That is exactly what you just quoted.

brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery at kf8nh.com
system administrator [openafs,heimdal,too many hats] allbery at ece.cmu.edu
electrical and computer engineering, carnegie mellon university    KF8NH

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