Re: ghc on on macbook pro (fwd)

2006-03-04 Thread Wolfgang Thaller


On 4-Mar-06, at 3:33 PM, Geoffrey Alan Washburn wrote:

I don't have MacOS X Intel handy to verify, but I was under the  
impression that Rosetta was only automagically invoked by the  
operating system on application bundles.  However, there is a  
dearth of information regarding this point on the web, so I could  
be wrong.


Fortunately, you are :-). It's automagically invoked by the kernel's  
executable loader whenever any Mach-O binary is loaded that only has  
ppc code.
You're right about the lack of (easily available) information though.  
A friend of mine was at the conference when they announced the  
switch, so I just asked him to try it out; I have found no place on  
the web that spells it out.


Cheers,

Wolfgang
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Re: ghc on on macbook pro (fwd)

2006-03-04 Thread Wolfgang Thaller

On 4-Mar-06, at 11:07 AM, S. Alexander Jacobson wrote:


Does ghc work on the (intel) macbooks or does it need to be rebuilt?
Will code compiled for the old macs work on the macbooks or does it  
need to be recompiled?



Yes and no.
GHC, and programs compiled by it, should run without recompiling  
under Apple's "Rosetta" emulator, but that will be slower than on  
(powerpc) PowerBooks.


A port to Mac OS X on Intel is in progress and mostly finished. GHC  
6.6 will support building native Intel code for the new Macs; if  
there is sufficient demand, I could also backport this support to the  
GHC 6.4.x line once it's finished.


Cheers,

Wolfgang


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Re: ghc on on macbook pro (fwd)

2006-03-04 Thread Geoffrey Alan Washburn

S. Alexander Jacobson wrote:

Does ghc work on the (intel) macbooks or does it need to be rebuilt?


If you mean a binary that had previously, yes, it would need to be 
rebuilt.

Will code compiled for the old macs work on the macbooks or does it need 
to be recompiled?


	I don't expect that ghc has any support for building "universal 
binaries", so in all likelihood yes.


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Re: Need help to call ord in Data.Char

2006-03-04 Thread Robert Dockins
On Saturday 04 March 2006 11:03 am, Omar Alvi wrote:
> Hello,
>
> I am new to Haskell(GHC). When i try to call the function ord which is in
> Data.Char from Prelude prompt. I get the following error. Not in scope ord.
> Hope to hear from someone soon.

From your comments, I assume you're using ghci.  You can use the ":module" 
command to bring more modules into scope.  For example ":module +Data.Char" 
will bring the "Data.Char" module into scope.


$ ghci
   ___ ___ _
  / _ \ /\  /\/ __(_)
 / /_\// /_/ / /  | |  GHC Interactive, version 6.4.1, for Haskell 98.
/ /_\\/ __  / /___| |  http://www.haskell.org/ghc/
\/\/ /_/\/|_|  Type :? for help.

Loading package base-1.0 ... linking ... done.
Prelude> :module +Data.Char
Prelude Data.Char> :t ord
ord :: Char -> Int
Prelude Data.Char> :q
Leaving GHCi.




Rob Dockins
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ghc on on macbook pro (fwd)

2006-03-04 Thread S. Alexander Jacobson

Does ghc work on the (intel) macbooks or does it need to be rebuilt?
Will code compiled for the old macs work on the macbooks or does it 
need to be recompiled?


-Alex-

__
S. Alexander Jacobson tel:917-770-6565 http://alexjacobson.com

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Need help to call ord in Data.Char

2006-03-04 Thread Omar Alvi

Hello,

I am new to Haskell(GHC). When i try to call the function ord which is in 
Data.Char from Prelude prompt. I get the following error. Not in scope ord. 
Hope to hear from someone soon.


Thanks,
Omar


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