[Glasgow-haskell-users] os x 64-bit?

Gregory Wright gwright at antiope.com
Thu Nov 11 09:18:03 EST 2010

Hi John,

I'll take a look at trac #2965.  You should be able to build the 
7.0.1-rc2 tarball
simply by unpacking it and following the instructions in the README.  
(In short,
configure, make then make install ought to work.)

If it doesn't build properly out of the box, I'd be interested in 
hearing about it.
AFAIK, only 6.10.4 has been tested as bootstrap compiler for 7.0.1-rc2, 
I expect 6.12.3 should work too.  There is always the possibility of 
some hiccup,

Best Wishes,

On 11/11/10 6:17 AM, John Lato wrote:
> Hi Greg,
> Thanks very much for all your work on this, and Barney Stratford too. 
>  This is great news.  I'm doing a lot of numerical work with Doubles 
> at the moment, so progress is quite welcome!
> I can try building 7.0.1-RC using a 32-bit 6.12.3, although probably 
> not until the weekend.  I'll let you know how it goes.
> If there are any special build instructions for this, maybe you could 
> update trac #2965 with details?
> Cheers,
> John
>     From: Gregory Wright <gwright at antiope.com
>     <mailto:gwright at antiope.com>>
>     Hi,
>     I built ghc 7.0.1-rc2 yesterday 64-bit on Snow Leopard.  Much of
>     the work
>     in getting ghc to build 64-bit was done by Barney Stratford; the
>     MacPorts
>     ghc 6.10.4 has built successfully in 64 bit mode for a number of
>     months.
>     Until just a few weeks ago 6.12.x and HEAD wouldn't build 64-bit
>     because
>     of changes in ghci.  These changes were in part to remove the
>     limitation
>     that modules
>     loaded by ghci had to be located below the 2 GB address boundary.
>     Unfortunately,
>     they revealed code paths in ghc's Mach-O linker that were never
>     tested. (See
>     bug #4318. Other bugs may be partial duplicates; the tickets
>     probably need
>     to be examined to check which ones are distinct.)
>     The good news is that the linker patches were done just in time
>     for 7.0.1.
>     You should be all set to try the release candidates on Snow
>     Leopard 64-bit.
>     I built my 7.0.1-rc2 using a 64 bit 6.10.4.  My original 64-bit 6.10.4
>     was bootstrapped
>     using a 32-bit 6.10.4 compiled on Leopard.  Reports of trouble
>     building the
>     7.0.1 release candidates using a 32-bit bootstrap compiler would be
>     especially
>     useful.
>     Best Wishes,
>     Greg
>     On 11/9/10 12:48 PM, Brian Bloniarz wrote:
>     > On 11/09/2010 02:36 AM, John Lato wrote:
>     >> I was wondering if there is a status report anywhere of
>     progress towards
>     >> making ghc compile 64-bit on Snow Leopard.  There are a few
>     trac tickets
>     >> that seem related:
>     > I think http://hackage.haskell.org/trac/ghc/ticket/3472
>     > is related if you haven't seen it.
>     >
>     > I'm not working on this, though I am interested in helping enable
>     > cross-compilation of GHC in general. I have been working on one
>     facet
>     > though: hsc2hs. hsc2hs is one of barriers to cross-compilation
>     because
>     > it requires compiling and running a .c file on the target machine
>     > (because it needs target-specific information like the layout of
>     > structures; GHC's mkDerivedConstants also has the same problem).
>     >
>     > I have a proof-of-concept patch which can do hsc2hs codegeneration
>     > without running anything. This uses the same approach that autoconf
>     > uses for cross-compilation. I'll try to post it within the next few
>     > days -- if anybody finds this approach interesting please let me
>     know.
>     >
>     > Thanks,
>     > -Brian
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